Arcteq AQ-T215 Instruction Manual
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Arcteq AQ-T215 Instruction Manual

Transformer protection ied
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AQ-T215
Transformer protection IED
Instruction manual

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Summary of Contents for Arcteq AQ-T215

  • Page 1 AQ-T215 Transformer protection IED Instruction manual...

  • Page 2: Table Of Contents

    4.9 Configuring user levels and their passwords................. 50 5 Functions unctions ...................................................... 53 5.1 Functions included in AQ-T215.................... 53 5.2 Measurements........................55 5.2.1 Current measurement and scaling ................55 5.2.2 Voltage measurement and scaling ................67 5.2.3 Power and energy calculation ..................78 5.2.4 Frequency tracking and scaling .................
  • Page 3 7 Connections and applic 7 Connections and applica a tion examples tion examples..................................350 7.1 Connections of AQ-T215 ....................350 7.2 Application example and its connections................352 7.3 Trip circuit supervision (95) ....................353 8 Construction and installa 8 Construction and installation tion ....................
  • Page 4 A A Q Q -T215 -T215 Instruction manual Version: 2.04 9.1.3.4 Milliampere module (mA out & mA in) ............387 9.1.3.5 RTD input module..................388 9.1.3.6 RS-232 & serial fiber communication module..........388 9.1.3.7 Double LC 100 Mbps Ethernet communication module ....... 388 9.1.4 Display ........................
  • Page 5 Nothing contained in this document shall increase the liability or extend the warranty obligations of the manufacturer Arcteq Relays Ltd. The manufacturer expressly disclaims any and all liability for any damages and/or losses caused due to a failure to comply with the instructions contained herein or caused by persons who do not fulfil the aforementioned requirements.
  • Page 6 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Copyright Copyright © Arcteq Relays Ltd. 2021. All rights reserved.

  • Page 7: Document Inf

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 1 Document information 1.1 Version 2 revision notes Table. 1.1 - 1. Version 2 revision notes Revision 2.00 Date 6.6.2019 - New more consistent look. - Improved descriptions generally in many chapters. - Improved readability of a lot of drawings and images.
  • Page 8 - Improvements to many drawings and formula images. - Improved and updated IED user interface display images. - AQ-T215 Functions included list Added: Running hour counter, under- and overfrequency, rate-of-change-of- frequency, overpower, underpower, reverse power, voltage memory, indicator objects, cold load pick-up, vector jump protection, synchrocheck, fault locator, programmable control switch, mA output control and measurement recorder.

  • Page 9: Version 1 Revision Notes

    Table. 1.2 - 2. Version 1 revision notes Revision 1.00 Date 18.11.2014 Changes - The first revision for AQ-T215 IED. Revision 1.01 Date 26.1.2015 Added double LC 100Mb Ethernet module and RS232 & Serial fiber module hardware descriptions Added system integration text: SPA Changes Replaced Positive- and negative sequence overvoltage with sequence voltage function.

  • Page 10: Abbr Bbre E Via Viations Tions

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 2 Abbreviations AI – Analog input AR – Auto-recloser ASDU – Application service data unit AVR – Automatic voltage regulator BCD – Binary-coded decimal CB – Circuit breaker CBFP – Circuit breaker failure protection CLPU –...
  • Page 11 A A Q Q -T215 -T215 Instruction manual Version: 2.04 IGBT – Insulated-gate bipolar transistor I/O – Input and output IRIG-B – Inter-range instruction group, timecode B LCD – Liquid-crystal display LED – Light emitting diode LV – Low voltage NC –...

  • Page 12: General

    Version: 2.04 3 General The AQ-T215 voltage regulating IED is a member of the AQ-200 product line. The hardware and software are modular: the hardware modules are assembled and configured according to the application's I/O requirements and the software determines the available functions. This manual describes the specific application of the AQ-T215 voltage regulating IED.

  • Page 13: Ied User Interface Erface

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 4 IED user interface 4.1 Panel structure The user interface section of an AQ-200 series device is divided into two user interface sections: one for the hardware and the other for the software. You can access the software interface either through the front panel or through the AQtivate freeware software suite.

  • Page 14: Mimic And Main Menu

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 The sixteen freely configurable LEDs are located on the right side of the display. Their activation and color (green or yellow) are based on the settings the user has put in place in the software. Holding the I I (object control) button down for five seconds brings up the button test menu.

  • Page 15: General Menu

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 • Control • Communication • Measurement • Monitoring. They are presented in the image below. The available menus vary according to the device type. Figure. 4.2.2 - 3. Main configuration menus. 4.3 General menu The General main menu is divided into two submenus: the Device info tab presents the information of the device, while the Function comments tab allows you to view all comments you have added to the...
  • Page 16 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Device info Figure. 4.3 - 5. Device info. Table. 4.3 - 3. Parameters and indications in the General menu. Name Range Step Default Description Device name Unitname The file name uses these fields when loading the .aqs configuration file from the AQ-200 unit.
  • Page 17 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description 0: User defined 1: English 2: Finnish Changes the language of the parameter descriptions in 3: Swedish the HMI. If the language has been set to "Other" in the Language 4: Spanish 1: English...

  • Page 18: Protection Menu

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 4.3 - 6. Function comments. 4.4 Protection menu General Figure. 4.4 - 7. Protection menu structure The Protection main menu includes the Stage activation submenu as well as the submenus for all the various protection functions, categorized under the following modules: "Arc protection", "Current", "Voltage", "Frequency", "Sequence"...
  • Page 19 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 4.4 - 8. Protection menu view. Stage activation You can activate the various protection stages in the Stage activation submenu (see the images below). Each protection stage and supporting function is disabled by default. When you activate one of the stages, its activated menu appears in the stage-specific submenu.
  • Page 20 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Example of a protection stage and its use Once a protection stage has been activated in the Stage activation submenu, you can open its own submenu. In the image series below, the user has activated three current stages. The user accesses the list of activated current stages through the "Current"...
  • Page 21 A A Q Q -T215 -T215 Instruction manual Version: 2.04 • Function condition: indicates the stage's condition which can be Normal, Start, Trip, or Blocked. • Expected operating time: Expected time delay from detecting a fault to tripping the breaker. This value can vary during a fault if an inverse curve time delay (IDMT) is used.
  • Page 22 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 4.4 - 13. Registers. Register menu content is not available in the HMI. It can only be accessed with AQtivate setting tool. Stored in the "Registers" section you can find both "Operation event register" and "General event register".
  • Page 23 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 4.4 - 14. I/O. The "I/O" section is divided into two subsections: "Direct output control" and "Blocking input control". In "Direct output control" you can connect the stage's signals to physical outputs, either to an output relay or an LED (START or TRIP LEDs or one of the 16 user configurable LEDs).

  • Page 24: Control Menu

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 4.4 - 15. Events. You can mask on and mask off the protection stage related events in "Event mask". By default events are masked off. You can activate the desired events by masking them ("x"). Remember to save your maskings by confirming the changes with the check mark icon.
  • Page 25 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Controls enabled Figure. 4.5 - 16. Controls enabled submenu. You can activate the selected control functions in the Controls enabled submenu. By default all the control functions are disabled. All activated functions can be viewed in the Control functions submenu (see the section "Control functions"...
  • Page 26 A A Q Q -T215 -T215 Instruction manual Version: 2.04 • SG loc SG local select al select: selects the local control for the different setting groups (can use digital inputs, logical inputs or outputs, RTDs, object status information as well as stage starts, trips or blocks).
  • Page 27 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 4.5 - 20. Settings section. OBJECT SET AND STATUS • L L oc ocal/R al/Remo emot t e sta e stat t us us: control access may be set to Local or Remote (Local by default; please note that when local control is enabled, the object cannot be controlled through the bus and vice versa).
  • Page 28 A A Q Q -T215 -T215 Instruction manual Version: 2.04 • An object has both Open input Open input and C C lose input lose input signals which are used for indicating the status of the breaker on the HMI and in SCADA. Status can be indicated by any of the following: digital inputs, logical inputs or outputs.
  • Page 29 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 4.5 - 21. Application control section. You can connect object statuses directly to specific physical outputs in the "Signal connections" subsection ( Control → Application control ). A status can be connected to output relays, as well as to user-configurable LEDs.
  • Page 30 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The "Registers"section stores the function's specific fault data. There are twelve (12) registers, and each of them includes data such as opening and closing times, command types and request failures. The data included in the register depend on the protection function.
  • Page 31 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Each control function that has been activated is listed in the Control functions submenu (see the middle image above). This submenu includes the following sections: "Info", "Settings", "Registers", "I/O" and "Events".
  • Page 32 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The stage settings vary depending on which control function they are a part of. By default only one setting group of the eight available setting groups is activated. You can enable more groups in the Control →...
  • Page 33 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 4.5 - 28. I/O section. The "I/O" section is divided into two subsections: "Direct output control" and "Blocking input control". In "Direct output control" you can connect the stage's signals to physical outputs, either to an output relay or an LED (START or TRIP LEDs or one of the 16 user configurable LEDs).
  • Page 34 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 4.5 - 29. Events section. You can mask on and mask off events related to an object's stage in "Event mask". By default all events are masked off. You can activate the desired events by masking them ("x"). Please remember to save your maskings by confirming the changes with the check mark icon.
  • Page 35 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 4.5 - 31. Digital input section. All settings related to digital inputs can be found in the "Digital inputs" section. The "Digital inputs settings" subsection includes various settings for the inputs: the polarity selection determines whether the input is Normal Open (NO) or Normal Closed (NC) as well as the activation threshold voltage (16…200 V AC/DC, step 0.1 V) and release threshold voltage (10…200 V AC/DC, step 0.1 V) for each available input.
  • Page 36 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The "Digital outputs settings" subsection lets you select the polarity for each output; they can be either Normal Open (NO) or Normal Closed (NC). The default polarity is Normal Open. The operational delay of an output contact is approximately 5 ms.
  • Page 37 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 4.5 - 34. Device I/O matrix section. Through the "Device I/O matrix" section you can connect digital inputs, logical outputs, protection stage status signals (START, TRIP, BLOCKED, etc.), object status signals and many other binary signals to output relays, or to LEDs configured by the used.
  • Page 38 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 4.5 - 36. Programmable mimic indicators section Programmable mimic indicators can be placed into the mimic to display a text based on the status of a given binary signal (digital input, logical signal, status of function start/tripped/blocked signals etc.). When configuring the mimic with the AQtivate setting tool, it is possible to set a text to be shown when an input signal is ON and a separate text for when the signal is OFF.

  • Page 39: Communication Menu

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 GOOSE inputs are mainly used for controlling purposes and in conjunction with the IEC 61850 communication protocol. There are 64 GOOSE inputs signal status bits, and their status can be either 0 or 1.
  • Page 40 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Connections Figure. 4.6 - 38. View of the Connections submenu. The Connections submenu offers the following bits of information and settings: ETHERNET ETHERNET This section defines the IP settings for the ethernet port in the back panel of the unit. •...
  • Page 41 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Protocols Figure. 4.6 - 39. View of the Protocols submenu. The Protocols submenu offers access to the various communication protocol configuration menus. Some of the communication protocols use serial communication and some use Ethernet communication.

  • Page 42: Measurement Menu

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 4.7 Measurement menu Figure. 4.7 - 40. Measurement section. The Measurement menu includes the following submenus: Transformers , Frequency , Current measurement , Voltage measurement , Power and energy measurement , Impedance calculations , and Phasors .
  • Page 43 A A Q Q -T215 -T215 Instruction manual Version: 2.04 CT module Figure. 4.7 - 42. CT module section. The three main sections ("Phase CT scaling", "Residual I01 CT scaling" and "Residual I02 CT scaling") determine the ratio of the used transformers. Additionally, the nominal values are also determined in the CT module submenu.
  • Page 44 A A Q Q -T215 -T215 Instruction manual Version: 2.04 VT primary and secondary voltages must match with the connected voltage transformer in addition to the voltage measurement mode. These settings are then used for scaling the voltage channel input voltages to primary and per unit values as well as power and energy measurement values if current measurements are also available.
  • Page 45 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Current measurement Figure. 4.7 - 45. Current measurement submenu. Current measurement submenu includes various individual measurements for each phase or phase-to- phase measurement. The Current measurement submenu has been divided into four sections: "Phase currents", "Residual currents", "Sequence currents", and "Harmonics".
  • Page 46 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Voltage measurement Figure. 4.7 - 46. Voltage measurement submenu and System Voltages menu. Voltage measurement submenu includes various individual measurements for each phase or phase-to- phase measurement. The Voltage measurement submenu has been also divided into four sections: "Voltage inputs", "Sequence voltages", "System voltages", and "Harmonics".
  • Page 47 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Power and energy measurement Figure. 4.7 - 47. Power and Energy measurement submenu. The Power and energy measurement submenu includes three sections: "Power and energy measurement settings", "Power measurements" and "Energy measurements". As the name suggests, the first section determines the settings by which the power and energy calculations are made.

  • Page 48: Monitoring Menu

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 The Impedance calculations submenu is divided into four sections: "Impedance calculation settings", "Phase-to-phase impedances", "Phase-to-earth impedances" and "Positive sequence impedance". You can activate impedance calculations in the first section. "Phase-to-phase impedances" display the resistances and reactances of the three phase-to-phase connections, both primary and secondary, as well as the primary and secondary impedances and impedance angles.
  • Page 49 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Monitors enabled Figure. 4.8 - 51. Monitors enabled submenu. You can activate the selected monitor functions in the Monitors enabled submenu. By default all the control functions are disabled. All activated functions can be viewed in the Monitor functions submenu (see the section "Monitor functions"...
  • Page 50 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Disturbance recorder Figure. 4.8 - 53. Disturbance recorder settings. The Disturbance recorder submenu has the following settings: • "Recorder enabled" enables or disables the recorder. • "Recorder status" indicates the status of the recorder. •...

  • Page 51: Configuring User Levels And Their Passwords

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 • Enabling "Auto. get recordings" allows the device to automatically upload recordings to the designated FTP folder (which, in turn, allows any FTP client to read the recordings from the IED's memory).
  • Page 52 A A Q Q -T215 -T215 Instruction manual Version: 2.04 • Super user (***) • Configurator (**) • Operator (*) • User ( - ) You can set a new password for a user level by selecting the key icon next to the user level's name. After this you can lock the user level by pressing the R R e e t t urn urn key while the lock is selected.
  • Page 53 A A Q Q -T215 -T215 Instruction manual Version: 2.04 • Configurator: Can change most settings such as basic protection pick-up levels or time delays, breaker control functions, signal descriptions etc. and can operate breakers and other equipment. • Super user: Can change any setting and can operate breakers and other equipment. NOTE! Any user level with a password automatically locks itself after half an hour (30 minutes) of inactivity.

  • Page 54: Functions Unctions

    Instruction manual Version: 2.04 5 Functions 5.1 Functions included in AQ-T215 The AQ-T215 transformer protection relay includes the following functions as well as the number of stages in those functions. Table. 5.1 - 4. Protection functions of AQ-T215. Name (number...
  • Page 55 Voltage memory PGS (1) PGx>/< Programmable stage ARC (1) IArc>/I0Arc> 50Arc/50NArc Arc fault protection (optional) Table. 5.1 - 5. Control functions of AQ-T215. Name ANSI Description Setting group selection Object control and monitoring (5 objects available) Indicator object monitoring (5 indicators available)

  • Page 56: Measurements

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name ANSI Description 21FL Fault locator Circuit breaker wear monitor Total harmonic distortion Measurement recorder VREC Measurement value recorder 5.2 Measurements 5.2.1 Current measurement and scaling The current measurement module (CT module, or CTM) is used for measuring the currents from current transformers.
  • Page 57 A A Q Q -T215 -T215 Instruction manual Version: 2.04 P P RI: RI: The primary current, i.e. the current which flows in the primary circuit and through the primary side of the current transformer. SEC: SEC: The secondary current, i.e. the current which the current transformer transforms according to its ratios.
  • Page 58 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.2.1 - 56. Connections. The following table presents the initial data of the connection. Table. 5.2.1 - 7. Initial data. P P ha hase curr se current C ent CT T R R ing cor ing core C e CT in Input I02...
  • Page 59 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Once the setting have been sent to the device, relay calculates the scaling factors and displays them for the user. The "CT scaling factor P/S" describes the ratio between the primary current and the secondary current.
  • Page 60 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.2.1 - 60. Residual I02 CT scaling (sensitive). Displaying the scaling Depending on whether the scaling was done based on the CT primary values or the protected object's nominal current, the measurements are displayed slightly differently. The first of the two images shows how the measurements are displayed when the CT primary values are the basis for the scaling;...
  • Page 61 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Example of zero sequence CT scaling Zero sequence CT scaling (ZCT scaling) is done when a zero sequence CT instead of a ring core CT is part of the measurement connection. In such a case the zero sequence CT should be connected to the I02 channel which has lower CT scaling ranges (see the image below).
  • Page 62 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Problem Solution The phase currents are connected to the measurement module but the order or polarity of one or all phases is incorrect. In relay settings, go to Measurement → Phasors and check the "Phase current vectors"...
  • Page 63 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.2.1 - 64. Common phase polarity problems. The following image presents the most common problems with network rotation (mix phases). These problems can be difficult to find because the measurement result is always the same in the relay. If two phases are mixed together, the network rotation always follows the pattern IL1-IL3-IL2 and the measured negative sequence current is therefore always 1.00 (in.
  • Page 64 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.2.1 - 65. Common network rotation (mixed phases) problems. Settings Table. 5.2.1 - 8. Settings of the Phase CT scaling. Name Unit Range Step Default Description 0: CT Scale 0: CT The selection of the reference used in the relay's per-unit system nom p.u.
  • Page 65 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.2.1 - 9. Settings of the Residual I01 CT scaling. Name Unit Range Step Default Description I01 CT 0.2…25 000 0.00001 100 The rated primary current of the current transformer. primary I01 CT 0.1…10.000 0.00001 1...
  • Page 66 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.2.1 - 13. Secondary phase current measurements. Name Unit Range Step Description Secondary phase The primary RMS current measurement from each of the phase current ILx 0.00…300.00 0.01 current channels. ("Sec.Pha.curr.ILx") Secondary phase current ILx TRMS...
  • Page 67 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.2.1 - 18. Residual phase angle measurements. Name Unit Range Step Description Residual current angle The residual current angle measurement from the I01 or I02 current 0.00…360.00 0.01 input. ("Res.curr.angle I0x") calc.I0 Pha.angle 0.00…360.00 0.01...

  • Page 68: Voltage Measurement And Scaling

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.2.1 - 23. Harmonic current measurements. Name Range Step Default Description Harmonics 0: Percent calculation values Defines whether the harmonics are calculated as percentage or ("Harm Abs.or Percent absolute values. Absolute Perc.") 0: Per unit...
  • Page 69 A A Q Q -T215 -T215 Instruction manual Version: 2.04 For the measurements to be correct the user needs to ensure that the measurement signals are connected to the correct inputs, that the voltage direction correct, and that the scaling is set correctly. The relay calculates the scaling factors based on the set VT primary, and secondary voltage values.
  • Page 70 A A Q Q -T215 -T215 Instruction manual Version: 2.04 If the protection is voltage-based, the supervised voltage can be based either on line-to-line voltages or on line-to-earth voltages. This selection is defined in the "Measured magnitude" of each protection stage menu separately ( Protection →...
  • Page 71 A A Q Q -T215 -T215 Instruction manual Version: 2.04 There are several different ways to use all four voltage channels. The voltage measurement modes are the following: • 3LN+U4 (three line-to-neutral voltages and U4 can be used for either zero sequence voltage or synchrochecking) •...
  • Page 72 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.2.2 - 71. 2LL+U0+SS settings and connections. The image collection below presents the relay's behavior when nominal voltage is injected into the relay via secondary test equipment. The measurement mode is 3LN+U4 which means that the relay is measuring line-to-neutral voltages.
  • Page 73 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.2.2 - 73. Relay behavior when voltage injected during an earth fault. Troubleshooting When the measured voltage values differ from the expected voltage values, the following table offers possible solutions for the problems. Problem Check / Resolution The measured...
  • Page 74 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description The voltage channel U3 can be used to measure zero sequence voltage 0: Not Used 0: Not U3 mode U0 (U0) or the Synchrocheck voltage (SS). If neither is needed, the (default) 1: U0 Used or SS...
  • Page 75 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description VT scaling A relay feedback value; the calculated scaling factor that is the ratio factor P/S between the primary voltage and the secondary voltage. VT scaling A relay feedback value;...
  • Page 76 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.2.2 - 29. Per-unit sequence voltage measurements. Name Unit Range Step Description Positive sequence The measurement (in p.u.) from the calculated positive sequence × U voltage 0.00…500.0 0.01 voltage. ("Pos.seq.Volt.p.u.") Negative sequence The measurement (in p.u.) from the calculated negative sequence...
  • Page 77 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.2.2 - 33. System primary voltage measurements. Name Unit Range Step Description System voltage magnitude 0.00…1 The primary RMS line-to-line UL12 voltage (measured or calculated). You can also UL12 0.01 000000.00 select the row where the unit for this is kV.
  • Page 78 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Unit Range Step Description System voltage magnitude The primary measured RMS Synchrocheck voltage (SS). This magnitude is 0.00…1 0.01 displayed only when the "2LL+U3+U4" mode is selected and both U3 and U4 are in 000000.00 ("System use.

  • Page 79: Power And Energy Calculation

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.2.2 - 35. Harmonic voltage measurements. Name Unit Range Step Default Description Harmonics calculation values 0: Percent Defines whether the harmonics are calculated as ("Harm Abs.or 1: Absolute Percent percentages or absolute values.
  • Page 80 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.2.3 - 75. Three-phase active power (P) calculation. In these equations, phi (φ) is the angle difference between voltage and current. Figure. 5.2.3 - 76. Three-phase reactive power (Q) calculation. Active power can be to the forward or the reverse direction.
  • Page 81 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Only line y line-t -to-line v o-line volta oltages a ges av v ailable ailable If the line-to-line voltages are measured but the zero sequence voltage is not measured or is not otherwise known, the three-phase power calculation is based on Aron’s theorem: Both cos(φ) and tan(φ) are calculated in the same way as in the line-to-neutral mode.
  • Page 82 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description 0: Undefined 1: Q1 Fwd Ind PQ Quadrant 2: Q2 Rev Cap Indicates what the power PQ quadrant is at that moment. Undefined 3: Q3 Rev Ind 4: Q4 Fwd Cap 0: Undefined 1: Q1 Fwd Cap AV...
  • Page 83 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description DC1…4 Pulses 0…4 294 967 295 Indicates the total number of pulses sent. sent Table. 5.2.3 - 38. DC 1…4 Pulse out settings Name Range Step Default Description...
  • Page 84 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.2.3 - 41. Three-phase energy calculations. Name Range Step Description -999 999 995 Exported Active Energy (P) (kWh 904.00…999 999 995 0.01 The total amount of exported active energy. or MWh) 904.00 -999 999 995...
  • Page 85 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Description Reactive energy (Q) balance while The sum of the phase's imported and exported reactive 0.01 -1x10 …1x10 Import (P) Lx (kVarh or MVarh) energy while active energy is imported. The apparent energy of the phase while active energy is Apparent Energy (S) while Export (P) Lx 0.01...

  • Page 86: Frequency Tracking And Scaling

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Voltages (line-to-line): Currents: = 100.00 V, -90.00° = 2.5 A, -120.00° = 2.5 A, 120.00° Name Values 3PH (S) 20.00 MVA 3PH (P) 17.32 MW 3PH (Q) 0.00 Mvar 3PH Tan 0.00 3PH Cos 0.87...
  • Page 87 FFT calculation always has a whole power cycle in the buffer. The measurement accuracy is further improved by Arcteq's patented calibration algorithms that calibrate the analog channels against eight (8) system frequency points for both magnitude and angle.
  • Page 88 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description System The user-defined system nominal frequency that is used when nominal 7.000…75.000Hz 0.001Hz 50Hz the "Sampling mode" setting has been set to "Fixed". frequency Tracked system 0.000…75.000Hz 0.001Hz Displays the rough measured system frequency.

  • Page 89: Protection Functions

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description Tracked f Displays the rough value of the tracked frequency in Channel 0.000…75.000Hz 0.001Hz - channel C Frequency measurement built from tracked frequencies and Alg f fast 0.000…75.000Hz 0.001Hz - U4 voltage channel samples.
  • Page 90 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The protection function is run in a completely digital environment with a protection CPU microprocessor which also processes the analog signals transformed into the digital form.
  • Page 91 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.1 - 77. Principle diagram of the protection relay platform. In the following chapters the common functionalities of protection functions are described. If a protection function deviates from this basic structure, the difference is described in the corresponding chapter of the manual.
  • Page 92 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.1 - 79. Measurement range in relation to the nominal current. The I magnitude refers to the user set nominal current which can range from 0.2…10 A, typically 0.2 A, 1A or 5 A.
  • Page 93 A A Q Q -T215 -T215 Instruction manual Version: 2.04 • Inverse definite minimum time (IDMT): activates the trip signal after a time which is in relation to the set pick-up value X and the measured value X (dependent time characteristics). Both IEC and IEEE/ANSI standard characteristics as well as user settable parameters are available for the IDMT operation.
  • Page 94 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description Selects the IEC standard delay characteristics. The options include the following: Normally Inverse ("NI"), 0: NI Extremely Inverse ("EI"), Very Inverse ("VI") and Long Time Inverse Delay 1: EI ("LTI") characteristics.
  • Page 95 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.1 - 81. Inverse operating time formulas for IEC and IEEE standards. Non-standard delay characteristics In addition to the previously mentioned delay characteristics, some functions also have delay characteristics that deviate from the IEC or IEEE standards. These functions are the following: •...
  • Page 96 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.3.1 - 47. Setting parameters for reset time characteristics. Name Name Range Range St Step Defa fault ult Descrip Description tion Delayed Resetting characteristics selection (either time-delayed or instant) after 0: No pick-up 1: Yes...
  • Page 97 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.1 - 83. Delayed pick-up release, delay counter is reset at signal drop-off. Figure. 5.3.1 - 84. Delayed pick-up release, delay counter value is held during the release time.

  • Page 98: Non-Directional Overcurrent Protection (I>; 50/51)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.1 - 85. Delayed pick-up release, delay counter value is decreasing during the release time. The resetting characteristics can be set according to the application. The default setting is delayed 60 ms and the time calculation is held during the release time.
  • Page 99 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The outputs of the function are the START, TRIP and BLOCKED signals. The non- directional overcurrent function uses a total of eight (8) separate setting groups which can be selected from one common source.
  • Page 100 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Measured input The function block uses analog current measurement values. However, when the peak-to-peak mode is selected for the function's "Measured magnitude" setting , the values are taken directly from the samples.
  • Page 101 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.3.2 - 50. Pick-up settings. Name Description Range Step Default Pick-up setting 0.10…50.00×I 0.01×I 1.20×I The pick-up activation of the function is not directly equal to the START signal generation of the function.
  • Page 102 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.3.2 - 52. Internal inrush harmonic blocking settings. Name Range Step Default Description Inrush harmonic blocking (internal- 0: No Enables and disables the 2 harmonic 0: No only trip) 1: Yes blocking.
  • Page 103 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 1291 NOC1 Phase C Start OFF 1292 NOC1 Phase A Trip ON 1293 NOC1 Phase A Trip OFF 1294 NOC1 Phase B Trip ON 1295 NOC1...
  • Page 104 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 1421 NOC3 Phase A Trip OFF 1422 NOC3 Phase B Trip ON 1423 NOC3 Phase B Trip OFF 1424 NOC3 Phase C Trip ON 1425 NOC3...

  • Page 105: Non-Directional Earth Fault Protection (I0>; 50N/51N)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 5.3.3 Non-directional earth fault protection (I0>; 50N/51N) The non-directional earth fault function is used for instant and time-delayed earth fault protection. The number of stages in the function depend on the device model. The operating characteristics are based on the selected neutral current magnitudes which the function measures constantly.
  • Page 106 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.3 - 87. Simplified function block diagram of the I0> fucntion. Measured input The function block uses analog current measurement values. The user can select the monitored magnitude to be equal either to RMS values, to TRMS values, or to peak-to-peak values. TRMS mode uses values from the whole harmonic spectrum of 32 components.
  • Page 107 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Description Range Default 1: RMS Measured Defines which available measured magnitude is used by the function. This 2: TRMS 1: RMS magnitude parameter is available when "Input selection" has been set to "I01" or "I02". 3: Peak- to-peak 1: I01...
  • Page 108 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Description meas at the 0.00...1250.00 0.01 The ratio between the measured current and the pick-up value. moment Function blocking The block signal is checked in the beginning of each program cycle. The blocking signal is received from the blocking matrix in the function's dedicated input.

  • Page 109: Directional Overcurrent Protection (Idir>; 67)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 1666 NEF1 Trip ON 1667 NEF1 Trip OFF 1668 NEF1 Block ON 1669 NEF1 Block OFF 1728 NEF2 Start ON 1729 NEF2 Start OFF...
  • Page 110 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The outputs of the function are the START, TRIP and BLOCKED signals. The directional overcurrent function uses a total of eight (8) separate setting groups which can be selected from one common source.
  • Page 111 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Measured input The function block uses analog current measurement values. The user can select the monitored magnitude to be equal either to RMS values, to TRMS values, or to peak-to-peak values. TRMS mode uses values from the whole harmonic spectrum of 32 components.
  • Page 112 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Pick-up The I setting parameter controls the pick-up of the I> function. This defines the maximum allowed measured current before action from the function. The function constantly calculates the ratio between the I and the measured magnitude ( I ) for each of the three phases.
  • Page 113 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Please note in the picture above that the tripping area is linked to the angle of the positive sequence voltage U . The angle of the positive sequence current I is compared to U angle, and if the fault is in the correct direction, it is possible to perform a trip when the amplitude of I...
  • Page 114 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.4 - 91. When Idir> function has been set to "Non-directional" the function works basically just like a traditional non- directional overcurrent protection function. Read-only parameters The relay's Info page displays useful, real-time information on the state of the protection function. It is accessed either through the relay's HMI display, or through the setting tool software when it is connected to the relay and its Live Edit mode is active.
  • Page 115 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Function blocking The block signal is checked in the beginning of each program cycle. The blocking signal is received from the blocking matrix in the function's dedicated input. Additionally, the non-directional overcurrent function includes an internal inrush harmonic blocking option which is applied according to the parameters set by the user.
  • Page 116 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event Number Event channel Event block name Event Code Description 4805 DOC1 Block OFF 4806 DOC1 No voltage, Blocking ON 4807 DOC1 Voltage measurable, Blocking OFF 4808 DOC1 Measuring live angle ON 4809 DOC1 Measuring live angle OFF...

  • Page 117: Directional Earth Fault Protection (I0Dir>; 67N/32N)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event Number Event channel Event block name Event Code Description 4999 DOC4 Voltage measurable, Blocking OFF 5000 DOC4 Measuring live angle ON 5001 DOC4 Measuring live angle OFF 5002 DOC4 Using voltmem ON 5003 DOC4...
  • Page 118 A A Q Q -T215 -T215 Instruction manual Version: 2.04 • threshold comparator • angle check • block signal check • time delay characteristics • output processing. The inputs for the function are the following: • operating mode selections • setting parameters •...
  • Page 119 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.3.5 - 69. Measurement inputs of the I0dir> function. Signal Description Time base I01RMS RMS measurement of coarse residual current measurement input I01 I01TRMS TRMS measurement of coarse residual current measurement input I01 I01PP Peak-to-peak measurement of coarse residual current measurement input I01 I02RMS...
  • Page 120 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.3.5 - 71. Pick-up settings. Name Description Range Step Default Pick-up setting 0.005…40.00×I 0.001×I 1.20×I 1…75%U 0.01%U 20%U Pick-up setting 1: Unearthed [32N Var] 2: Petersen coil GND [32N Watt] Grounding 3: Grounded Network grounding method...
  • Page 121 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Unearthed network Figure. 5.3.5 - 93. Angle tracking of I0dir> function (unearthed network model) (32N) When the unearthed (capacitive) network mode is chosen, the device expects the fault current to be lagging zero sequence voltage by 90 degrees.
  • Page 122 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The resistance of the fault affects the size of the voltage drop during a fault. In direct earth fault the zero sequence voltage amplitude is equal to the system's line-to-earth voltage. In direct earth fault the voltage of a faulty phase drops close to zero and healthy phase voltages increase to the amplitude of line-to-line voltages.
  • Page 123 A A Q Q -T215 -T215 Instruction manual Version: 2.04 When the Petersen coil earthed (compensated) network mode is chosen, the device expects the fault current to be in the opposite direction to the zero sequence voltage. Healthy phases of both healthy and faulty feeders produce a capacitive current similar to the unearthed network.
  • Page 124 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Directly earthed or small impedance network (67N) Figure. 5.3.5 - 95. Angle tracking of I0dir> function (directly earthed or small impedance network). In a directly earthed network the amplitude of a single-phase fault current is similar to the amplitude of a short-circuit current.
  • Page 125 CT errors. For all these reasons, Arcteq has developed an improved alternative to these traditional directional earth fault protections.
  • Page 126 No extra parameterization is required compared to the traditional method. The multi- criteria algorithm can be tested with COMTRADE files supplied by Arcteq. The function requires a connection of three-phase currents, residual current and residual voltage to operate correctly.
  • Page 127 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Description U0> Pick-up 0.0...1 000 000V 0.1V The required residual voltage on the primary side for the relay to trip. setting Detected U0/ The angle in degrees between the monitored residual voltage and the -360.00...360.00deg 0.01deg I0 angle (fi)
  • Page 128 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The variables the user can set are binary signals from the system. The blocking signal needs to reach the device minimum of 5 ms before the set operating delay has passed in order for the blocking to activate in time.
  • Page 129 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 5258 DEF2 I0Cosfi Trip ON 5259 DEF2 I0Cosfi Trip OFF 5260 DEF2 I0Sinfi Trip ON 5261 DEF2 I0Sinfi Trip OFF 5312 DEF3 Start ON...

  • Page 130: Negative Sequence Overcurrent/ Phase Current Reversal/ Current Unbalance Protection (I2>; 46/46R/46L)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.3.5 - 75. Register content. Register Description Event code dd.mm.yyyy hh:mm:ss.mss Date and time 5184-5389 Descr. pre-triggering current Start average current fault current Trip -20ms averages Fault capacity I Trip -20ms averages Fault resist I Trip -20ms averages...
  • Page 131 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The inputs for the function are the following: • operating mode selections • setting parameters • digital inputs and logic signals • measured and pre-processed current magnitudes. The function outputs START, TRIP and BLOCKED signals which can be used for direct I/O controlling and user logic programming.
  • Page 132 A A Q Q -T215 -T215 Instruction manual Version: 2.04 General settings The following general settings define the general behavior of the function. These settings are static i.e. it is not possible to change them by editing the setting group. Name Description Range Step Default...
  • Page 133 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The blocking signal can also be tested in the commissioning phase by a software switch signal when the relay's testing mode "Enable stage forcing" is activated ( General → Device ). The variables the user can set are binary signals from the system.
  • Page 134 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.6 - 99. Operation characteristics curve for I2> Curve2. For a more detailed description on the time characteristics and their setting parameters, please refer to the "General properties of a protection function" chapter and its "Operating time characteristics for trip and reset"...

  • Page 135: Harmonic Overcurrent Protection (Ih>; 50H/51H/68H)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event Number Event channel Event block name Event Code Description 2051 CUB1 Trip OFF 2052 CUB1 Block ON 2053 CUB1 Block OFF 2112 CUB2 Start ON 2113 CUB2 Start OFF 2114 CUB2 Trip ON...
  • Page 136 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The function can operate on instant or time-delayed mode. Either START or TRIP signal can be used when the instant mode is selected to block other protection stages. In time-delayed mode the operation can be selected between definite time (DT) mode and inverse definite minimum time (IDMT) mode.
  • Page 137 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.7 - 100. Simplified function block diagram of the Ih> function. Measured input The function block uses analog current measurement values from phase or residual currents. Each measurement input of the function block uses RMS values and harmonic components of the selected current input.
  • Page 138 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Signal Description Time base The magnitudes (RMS) of phase L2 (B) current components: - Fundamental harmonic harmonic harmonic harmonic harmonic IL2FFT 5 ms harmonic harmonic - 11 harmonic - 13 harmonic - 15 harmonic...
  • Page 139 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Signal Description Time base The magnitudes (RMS) of residual I0 current components: - Fundamental harmonic harmonic harmonic harmonic harmonic I02FFT 5 ms harmonic harmonic - 11 harmonic - 13 harmonic - 15 harmonic - 17...
  • Page 140 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description IL1/IL2/ Measurement IL1/IL2/ Selection of the measurement input (either phase current or residual current). input Each function stage provides these same settings. Multiple stages of the function can be set to operate independently of each other.
  • Page 141 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Function blocking The block signal is checked in the beginning of each program cycle. The blocking signal is received from the blocking matrix in the function's dedicated input. If the blocking signal is not activated when the pick-up element activates, a START signal is generated and the function proceeds to the time characteristics calculation.

  • Page 142: Circuit Breaker Failure Protection (Cbfp; 50Bf/52Bf)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 2496 HOC3 Start ON 2497 HOC3 Start OFF 2498 HOC3 Trip ON 2499 HOC3 Trip OFF 2500 HOC3 Block ON 2501 HOC3 Block OFF...
  • Page 143 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The operational logic consists of the following: • input magnitude processing • input magnitude selection • threshold comparator • block signal check • time delay characteristics • output processing. The inputs of the function are the following: •...
  • Page 144 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Signal Description Time base IL3RMS RMS measurement of phase L3 (C) current I01RMS RMS measurement of residual input I01 I02RMS RMS measurement of residual input I02 I0Calc Calculated residual current from the phase current inputs DOIN Monitors digital output relay status DIIN...
  • Page 145 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description 0: Current only 1: DO only 2: Signals only 3: Current and DO 4: Current or 5: Current and signals Selects the operating mode. The mode can be dependent on current Actmode 6: Current or Current...
  • Page 146 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Operating time characteristics The operating timers’ behavior during a function can be set depending on the application. The same pick-up signal starts both timers. When retrip is used the time grading should be set as follows: the sum of specific times (i.e.
  • Page 147 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Trip, Retrip and CBFP in the device configuration Figure. 5.3.8 - 102. Wiring diagram when Trip, Retrip and CBFP are configured to the device. The retrip functionality can be used in applications whose circuit breaker has a retrip or a redundant trip coil available.
  • Page 148 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.8 - 103. Retrip and CBFP when "Current" is the selected criterion. When the current threshold setting of I and/or I0 is exceeded, the current-based protection is activated and the counters for RETRIP and CBFP start calculating the set operating time. The tripping of the primary protection stage is not monitored in this configuration.
  • Page 149 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.8 - 104. Retrip and CBFP when "Current and DO" is the selected criterion. When the current threshold setting of I and/or I0 is exceeded, the current-based protection is activated.
  • Page 150 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.8 - 105. Retrip and CBFP when "Current or DO" is the selected criterion. When the current threshold setting of I and/or I0 is exceeded, or the TRIP signal reaches the primary protection stage, the function starts counting down towards the RETRIP and CBFP signals.
  • Page 151 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Trip and CBFP in the device configuration Figure. 5.3.8 - 106. Wiring diagram when Trip and CBFP are configured to the device. Probably the most common application is when the device's trip output controls the circuit breaker trip coil, while one dedicated CBFP contact controls the CBFP function.
  • Page 152 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.8 - 107. CBFP when "Current" is the selected criterion. When the current threshold setting of I and/or I0 is exceeded, the current-based protection is activated and the counter for CBFP starts calculating the set operating time. The tripping of the primary protection stage is not monitored in this configuration.
  • Page 153 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.8 - 108. CBFP when "Current and DO" is the selected criterion. When the current threshold setting of I and/or I0 is exceeded, the current-based protection is activated. At the same time, the counter for CBFP is halted until the monitored output contact is controlled (that is, until the primary protection operates).
  • Page 154 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.8 - 109. CBFP when "Current or DO" is the selected criterion. When the current threshold setting of I and/or I0 is exceeded, or the TRIP signal reaches the primary protection stage, the function starts counting down towards the CBFP signal.
  • Page 155 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Device configuration as a dedicated CBFP unit Figure. 5.3.8 - 110. Wiring diagram when the device is configured as a dedicated CBFP unit.
  • Page 156 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Some applications require a dedicated circuit breaker protection unit. When the CBFP function is configured to operate with a digital input signal, it can be used in these applications. When a device is used for this purpose, the tripping signal is wired to the device's digital input and the device's own TRIP signal is used only for the CBFP purpose.

  • Page 157: Low-Impedance Or High-Impedance Restricted Earth Fault/ Cable End Differential Protection (I0D>; 87N)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 2820 CBF1 CBFP ON 2821 CBF1 CBFP OFF 2822 CBF1 Block ON 2823 CBF1 Block OFF 2824 CBF1 DO monitor ON 2825 CBF1 DO monitor OFF...
  • Page 158 A A Q Q -T215 -T215 Instruction manual Version: 2.04 • differential characteristic comparator • block signal check • output processing. The inputs for the function are the following: • setting parameters • measured and pre-processed current magnitudes. The function's output signals can be used for direct I/O controlling and user logic programming. The function generates general time-stamped ON/OFF events to the common event buffer from each of the two (2) output signals.
  • Page 159 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Signal Description Time base IL3 Ang Angle of phase L3 (C) current I01 Ang Angle of residual input I01 I02 Ang Angle of residual input I02 The selection of the used AI channel is made with a setting parameter. General settings The following general settings define the general behavior of the function.
  • Page 160 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The pick-up settings can be selected via setting groups. The pick-up activation of the function is not directly equal to the TRIP signal generation of the function. The TRIP signal is allowed if the blocking condition is not active.
  • Page 161 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Read-only parameters The relay's Info page displays useful, real-time information on the state of the protection function. It is accessed either through the relay's HMI display, or through the setting tool software when it is connected to the relay and its Live Edit mode is active.
  • Page 162 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.9 - 117. Cable end differential with natural unbalance in the phase current measurement. When calculating residual current from the phase currents, the natural unbalance can be around 10 % while the used CTs are still within the promised 5P class (which is probably the most common CT accuracy class).
  • Page 163 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.9 - 118. Cable end differential when a fault occurs. If a starting fault occurs in the cable end, the CED mode catches the difference between the ingoing and the outgoing residual currents. The resulting signal can be used for alarming or tripping purposes for the feeder with the failing cable end.
  • Page 164 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.9 - 119. Restricted earth fault outside a Y winding transformer. If the fault is located inside of the transformer and thus inside of the protection area, the function catches the fault with high sensitivity.
  • Page 165 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.9 - 120. Restricted earth fault inside a Y winding transformer. Events and registers The restricted earth fault function (abbreviated "REF" in event block names) generates events and registers from the status changes in TRIP-activated and BLOCKED signals. The user can select which event messages are stored in the main event buffer: ON, OFF, or both.

  • Page 166: Overvoltage Protection (U>; 59)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.3.9 - 98. Event codes. Event number Event channel Event block name Event code Description 4224 REF1 I0d> (87N) Trip ON 4225 REF1 I0d> (87N) Trip OFF 4226 REF1 I0d>...
  • Page 167 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The function outputs the START, TRIP and BLOCKED signals which can be used for direct I/O controlling and user logic programming. The function generates general time-stamped ON/OFF events to the common event buffer from each of the three (3) output signals. In the instant operating mode the function outputs START and TRIP events simultaneously with an equivalent time stamp.
  • Page 168 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The selection of the AI channel in use is made with a setting parameter. In all possible input channel variations the pre-fault condition is presented with a 20 ms averaged history value from -20 ms from START or TRIP event.
  • Page 169 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.10 - 124. Selectable measurement magnitudes with 2LL+U3+U4 VT connection (P-E voltages not available without residual voltage). P-P Voltages and P-E Voltages selections follow phase-to-neutral or phase-to-phase voltages in the first three voltage channels (or two first voltage channels in the 2LL+U3+U4 mode).
  • Page 170 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Description Displays the expected operating time when a fault occurs. When IDMT Expected mode is used, the expected operating time depends on the measured operating 0.000...1800.000s 0.005s voltage value.
  • Page 171 A A Q Q -T215 -T215 Instruction manual Version: 2.04 • Inverse definite minimum time (IDMT): gives the TRIP signal after a time which is in relation to the set pick-up voltage U and the measured voltage U (dependent time characteristics).
  • Page 172 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description Continue time Time calculation characteristics selection. If activated, the operating time calculation 1: No 1: No counter is continuing until a set release time has passed even if the pick- during 2: Yes up element is reset.

  • Page 173: Undervoltage Protection (U<; 27)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 5635 Trip OFF 5636 Block ON 5637 Block OFF The function registers its operation into the last twelve (12) time-stamped registers; this information is available for all provided instances separately.
  • Page 174 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The function outputs the START, TRIP and BLOCKED signals which can be used for direct I/O controlling and user logic programming. The function generates general time-stamped ON/OFF events to the common event buffer from each of the three (3) output signals. In the instant operating mode the function outputs START and TRIP events simultaneously with an equivalent time stamp.
  • Page 175 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.3.11 - 109. Measured magnitude selection settings. Name Description Range Step Default 0: P-P voltages 1: P-E 0: P-P Measured Selection of P-P or P-E voltages. Additionally, the U3 or U4 input can be voltages voltages magnitude...
  • Page 176 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.11 - 128. Selectable measurement magnitudes with 2LL+U4 VT connection (P-E voltages not available without residual voltage). P-P Voltages and P-E Voltages selections follow phase-to-neutral or phase-to-phase voltages in the first three voltage channels (or two first voltage channels in the 2LL+U3+U4 mode).
  • Page 177 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.11 - 129. Example of the block setting operation. Read-only parameters The relay's Info page displays useful, real-time information on the state of the protection function. It is accessed either through the relay's HMI display, or through the setting tool software when it is connected to the relay and its Live Edit mode is active.
  • Page 178 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Function blocking The block signal is checked in the beginning of each program cycle. The blocking signal is received from the blocking matrix in the function's dedicated input. If the blocking signal is not activated when the pick-up element activates, a START signal is generated and the function proceeds to the time characteristics calculation.
  • Page 179 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.3.11 - 112. Setting parameters for operating time characteristics. Name Range Step Default Description Selection of the delay type time counter. The selection possibilities are 1: DT Delay type 1: DT dependent (IDMT, Inverse Definite Minimum Time) and independent 2: IDMT...
  • Page 180 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 5697 Start OFF 5698 Trip ON 5699 Trip OFF 5700 Block ON 5701 Block OFF 5702 Undervoltage Block ON 5703 Undervoltage Block OFF 5760 Start ON...

  • Page 181: Neutral Overvoltage Protection (U0>; 59N)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.3.11 - 115. Register content. Event Fault Pre-trig Fault Pre-fault Trip time Date and time Used SG code type voltage voltage voltage remaining Setting A…A- dd.mm.yyyy 5696-5895 Start average Trip -20ms Start -200ms 0 ms...1800s...
  • Page 182 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.12 - 132. Close-distance short-circuit between phases 1 and 3. The monitored voltage magnitudes are equal to RMS values. The blocking signal and the setting group selection control the operating characteristics of the function during normal operation, i.e. the user or user-defined logic can change function parameters while the function is running.
  • Page 183 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.12 - 133. Simplified function block diagram of the U0> function. Measured input The function block uses analog voltage measurement values. The function block uses RMS values. A -20 ms averaged value of the selected magnitude is used for pre-fault data registering. Table.
  • Page 184 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Read-only parameters The relay's Info page displays useful, real-time information on the state of the protection function. It is accessed either through the relay's HMI display, or through the setting tool software when it is connected to the relay and its Live Edit mode is active.
  • Page 185 A A Q Q -T215 -T215 Instruction manual Version: 2.04 • Definite time operation (DT): gives the TRIP signal after a user-defined time delay regardless of the measured or calculated voltage as long as the voltage is above the U value and thus the pick-up element is active (independent time characteristics).
  • Page 186 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description Continue time Time calculation characteristics selection. If activated, the operating time calculation 1: No 1: No counter continues until a set release time has passed even if the pick-up during 2: Yes element is reset.

  • Page 187: Sequence Voltage Protection (U1/U2>/<; 47/27P/59Pn)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 6147 NOV4 Trip OFF 6148 NOV4 Block ON 6149 NOV4 Block OFF The function registers its operation into the last twelve (12) time-stamped registers; this information is available for all provided instances separately.
  • Page 188 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.13 - 134. Normal situation. Figure. 5.3.13 - 135. Earth fault in an isolated network. Figure. 5.3.13 - 136. Close-distance short-circuit between phases 1 and 3. Negative sequence voltage calculation Below is the formula for symmetric component calculation (and therefore to negative sequence voltage calculation).
  • Page 189 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.13 - 137. Normal situation. Figure. 5.3.13 - 138. Earth fault in isolated network. Figure. 5.3.13 - 139. Close-distance short-circuit between phases 1 and 3. The sequence voltage function uses a total of eight (8) separate setting groups which can be selected from one common source.
  • Page 190 A A Q Q -T215 -T215 Instruction manual Version: 2.04 • digital inputs and logic signals • measured and pre-processed voltage magnitudes. The function outputs the START, TRIP and BLOCKED signals which can be used for direct I/O controlling and user logic programming. The function generates general time-stamped ON/OFF events to the common event buffer from each of the three (3) output signal.
  • Page 191 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.3.13 - 123. Measured magnitude selection. Name Description Range Default 1: U1 Positive sequence Measured Selects which calculated voltage is voltage 1: U1 Positive magnitude supervised. 2: U2 Negative sequence sequence voltage voltage In RMS values the pre-fault condition is presented with 20 ms averaged history value from -20 ms of...
  • Page 192 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.13 - 141. Example of the block setting operation. Read-only parameters The relay's Info page displays useful, real-time information on the state of the protection function. It is accessed either through the relay's HMI display, or through the setting tool software when it is connected to the relay and its Live Edit mode is active.
  • Page 193 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The variables the user can set are binary signals from the system. The blocking signal needs to reach the device minimum of 5 ms before the set operating delay has passed in order for the blocking to activate in time.
  • Page 194 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.3.13 - 127. Setting parameters for reset time characteristics. Name Range Step Default Description Resetting time. Time allowed between pick-ups if the pick-up has not led Release 0.000…150.000s 0.005s 0.06s to a trip operation.

  • Page 195: Volts-Per-Hertz Overexcitation Protection (V/Hz>; 24)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 8449 VUB3 Start OFF 8450 VUB3 Trip ON 8451 VUB3 Trip OFF 8452 VUB3 Block ON 8453 VUB3 Block OFF 8512 VUB4 Start ON...
  • Page 196 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.14 - 142. Effect of pick-up settings and the measured frequency to the overvoltage function's pick-up level. Volts-per-hertz protection is based on the ratio between the maximum phase-to-phase voltage and the measured system frequency.
  • Page 197 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The function outputs the START, TRIP and BLOCKED signals which can be used for direct I/O controlling and user logic programming. The function generates general time-stamped ON/OFF events to the common event buffer from each of the three (3) output signal. In the instant operating mode the function outputs START and TRIP events simultaneously with an equivalent time stamp.
  • Page 198 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.3.14 - 131. Pick-up settings. Name Range Step Default Description Pick-up V/Hz > The maximum allowed increase in the measured V/Hz ratio in 0.01…30.00% 0.01% 5.00% (% of nominal) relation to the nominal V/Hz ratio.
  • Page 199 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.14 - 145. Inverse (above) and inverse and DT (below) time characteristics with the inverse constant setting effect. Table. 5.3.14 - 132. Setting parameters for reset time characteristics. Name Range Step Default...
  • Page 200 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Read-only parameters The relay's Info page displays useful, real-time information on the state of the protection function. It is accessed either through the relay's HMI display, or through the setting tool software when it is connected to the relay and its Live Edit mode is active.
  • Page 201 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Events and registers The volts-per-hertz overexcitation protection function (abbreviated "VHZ" in event block names) generates events and registers from the status changes in START, TRIP, and BLOCKED. The user can select which event messages are stored in the main event buffer: ON, OFF, or both.

  • Page 202: Underimpedance Protection (Z<; 21U)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 5.3.15 Underimpedance protection (Z<; 21U) Underimpedance protection is an alternative for voltage-restrained overcurrent protection. It can be used to detect short-circuit faults near the generator even when the short-circuit current is small. Additionally, under impedance protection can be used as backup protection for transformer protection.
  • Page 203 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Measured input Sufficient current and voltage measurements are required for the impedance measurement to work properly. The user can select the monitored magnitude to be equal to either phase-to-earth impedance loops, phase-to-phase impedance loops, or the positive sequence impedance.
  • Page 204 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Description Time When the function has detected a fault and counts down time towards a remaining to -1800.000...1800.000s 0.005s trip, this displays how much time is left before tripping occurs. trip meas 0.00...1250.00...

  • Page 205: Transformer Status Monitoring

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 9541 UIM2 Block OFF The function registers its operation into the last twelve (12) time-stamped registers. The register of the function records the ON event process data for START, TRIP or BLOCKED.
  • Page 206 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.16 - 148. Simplified function block diagram of the transformer status monitoring function. The function's outputs are dependent on the set transformer data because the measured currents (in p.u.) are related to the transformer nominal values. The following diagram presents the function's outputs in various situations.
  • Page 207 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The No load No load signal is activated when the current dips below the "No load current" limit (= 0.2 x I )" for longer than ten milliseconds. If the current increases from this situation up to the "Heavy overloading" limit (>...
  • Page 208 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Functions Description The selection of the HV side connection. Can - transformer status HV side Star be selected between star or zigzag and delta. 0: Star/ 0: Star/Zigzag monitoring or Zigzag /...
  • Page 209 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Functions Description LV side The calculated primary current of the transformer's nominal 0.01…50 000.00A 0.01A 0.00A Info LV side primary current. current (pri) LV side The calculated primary current of the transformer's nominal 0.01…250.00A 0.01A...

  • Page 210: Resistance Temperature Detectors

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Events The transformer status monitoring function (abbreviated "TRF" in event block names) generates events from the detected transformer energizing status. The data register is available, based on the events. Table. 5.3.16 - 144. Event codes. Event Event Event block...
  • Page 211 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Setting up an RTD measurement, the user first needs to set the measurement module to scan the wanted RTD elements. A multitude of Modbus-based modules are supported. Communication requires bitrate, databits, parity, stopbits and Modbus I/O protocol to be set; this is done at Communication → Connections .
  • Page 212 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.17 - 150. RTD alarm setup. Function can be set to monitor the measurement data from previously set RTD channels. A single channel can be set to have several alarms if the user sets the channel to multiple sensor inputs. In each sensor setting the user can select the monitored module and channel, as well as the monitoring and alarm setting units (°C or °F).
  • Page 213 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description 0: InternalRTD1 Selects the measurement module. Internal RTD 1: InternalRTD2 modules are option cards installed to the relay. S1...S16 module 2: ExtModuleA InternalRTD1 External modules are Modbus based external 3: ExtModuleB devices.
  • Page 214 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.3.17 - 147. Event codes. Event number Event channel Event block name Event code Description 4416 RTD1 S1 Alarm1 ON 4417 RTD1 S1 Alarm1 OFF 4418 RTD1 S1 Alarm2 ON 4419 RTD1 S1 Alarm2 OFF...
  • Page 215 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 4453 RTD1 S10 Alarm1 OFF 4454 RTD1 S10 Alarm2 ON 4455 RTD1 S10 Alarm2 OFF 4456 RTD1 S11 Alarm1 ON 4457 RTD1 S11 Alarm1 OFF...

  • Page 216: Arc Fault Protection (Iarc>/I0Arc>; 50Arc/50Narc)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 4491 RTD2 S6 Meas Invalid 4492 RTD2 S7 Meas Ok 4493 RTD2 S7 Meas Invalid 4494 RTD2 S8 Meas Ok 4495 RTD2 S8 Meas Invalid...
  • Page 217 The arc protection card has four (4) sensor channels, and up to three (3) arc point sensors can be connected to each channel. The sensor channels support Arcteq AQ-01 (light sensing) and AQ-02 (pressure and light sensing) units. Optionally, the protection function can also be applied with a phase current or a residual current condition: the function trips only if the light and overcurrent conditions are met.
  • Page 218 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Outputs Activation condition I/I0 Arc> Ph. curr. START The measured phase current or the residual current is over the set limit. I/I0 Arc> Res. curr. START I/I0 Arc> Ph. curr. BLOCKED The phase current or the residual current measurement is blocked by an input.
  • Page 219 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.18 - 152. Scheme IA1 (with AQ-101 arc protection relays). To set the zones for the AQ-2xx models sensor channels start by enabling the protected zones (in this case, Zones 1 and 2). Then define which sensor channels are sensing which zones (in this case, sensor channels S1 and S2 are protecting Zone 1).
  • Page 220 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.3.18 - 153. Scheme IA1 (with AQ-200 protection relays). The settings for the relay supervising the incoming feeder are the same as in the first example. The relays supervising the busbar and the outgoing feeder, however, have a different setting. Both Zones 2 and 3 need to be enabled as there are sensors connected to both Zone 2 and 3 starts.
  • Page 221 A A Q Q -T215 -T215 Instruction manual Version: 2.04 General settings The following general settings define the general behavior of the function. These settings are static i.e. it is not possible to change them by editing the setting group. Table.
  • Page 222 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Description Range Step Default Zone1/2/3/4 Light 1 0: Disabled Light detected in sensor channel 1 trips the zone. Enabled 1: Enabled Disabled Zone1/2/3/4 Light 2 0: Disabled Light detected in sensor channel 2 trips the zone. Enabled 1: Enabled Disabled...
  • Page 223 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Function blocking The block signal is checked in the beginning of each program cycle. The blocking signal is received from the blocking matrix in the function's dedicated input. If the blocking signal is not activated when the pick-up element activates, a TRIP signal is generated.
  • Page 224 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 4755 ARC1 Phase current Start OFF 4756 ARC1 Residual current Blocked ON 4757 ARC1 Residual current Blocked OFF 4758 ARC1 Residual current Start ON 4759 ARC1...

  • Page 225: Programmable Stage (Pgx>/<; 99)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.3.18 - 153. Register content. Event Phase A Phase B Phase C Residual Active Date and time Used SG code current current current current sensors dd.mm.yyyy 4736-4787 Trip -20ms Trip -20ms Trip -20ms Trip -20ms...
  • Page 226 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Setting up programmable stages Programmable stages can be set to follow one, two or three analog measurements with the PSx >/< Measurement setting parameter. The user must choose a measurement signal value to be compared to the set value, and possibly also set a scaling for the signal.
  • Page 227 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Mode Description Either of the chosen signals has to fulfill the pick-up condition. Both signals have their own pick-up 4: Mag1 OR Mag2 setting. Both of the chosen signals have to fulfill the pick-up condition. Both signals have their own pick-up 5: Mag1 AND Mag2 setting.
  • Page 228 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Mode Description 4: Mag1 AND Mag2 AND All of the signals need to fulfill the pick-up condition. Each signal has their own pick-up Mag3 setting. 5: (Mag1 OR Mag2) AND Signals 1 OR 2 AND 3 need to fulfill the pick-up condition.
  • Page 229 A A Q Q -T215 -T215 Instruction manual Version: 2.04 When setting the comparators, the user must first choose a comparator mode. The following modes are available: Mode Description 0: Over G G r r ea eat t er than er than.
  • Page 230 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Description IL1 15 IL1 15 harmonic value (in p.u.) IL1 17 IL1 17 harmonic value (in p.u.) IL1 19 IL1 19 harmonic value (in p.u.) Description IL2 ff (p.u.) IL2 Fundamental frequency RMS value (in p.u.) IL2 2 IL2 2 harmonic value (in p.u.)
  • Page 231 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Description I01 5 I01 5 harmonic value (in p.u.) I01 7 I01 7 harmonic value (in p.u.) I01 9 I01 9 harmonic value (in p.u.) I01 11 I01 11 harmonic value (in p.u.) I01 13 I01 13 harmonic value (in p.u.)
  • Page 232 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Description I02 Ang I02 angle of current I0CALC Ang Angle of calculated residual current I1 Ang Angle of positive sequence current I2 Ang Angle of negative sequence current I01ResP I01 primary current of a current-resistive component I01CapP I01 primary current of a current-capacitive component I01ResS...
  • Page 233 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Description S3PH Three-phase apparent power S (kVA) P3PH Three-phase active power P (kW) Q3PH Three-phase reactive power Q (kvar) tanfi3PH Three-phase active power direction cosfi3PH Three-phase reactive power direction Apparent power L1 S (kVA) Active power L1 P (kW) Reactive power L1 Q (kVar)
  • Page 234 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Description Z12Sec Impedance Z L12 secondary (Ω) Z23Sec Impedance Z L23 secondary (Ω) Z31Sec Impedance Z L31 secondary (Ω) Z12Angle Impedance Z L12 angle Z23Angle Impedance Z L23 angle Z31Angle Impedance Z L31 angle RL1Pri...
  • Page 235 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Description GL3Pri Conductance G L3 primary (mS) BL3Pri Susceptance B L3 primary (mS) GL1Sec Conductance G L1 secondary (mS) BL1Sec Susceptance B L1 secondary (mS) GL2Sec Conductance G L2 secondary (mS) BL2Sec Susceptance B L2 secondary (mS) GL3Sec...
  • Page 236 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The outputs of the function are the START, TRIP and BLOCKED signals. The overvoltage function uses a total of eight (8) separate setting groups which can be selected from one common source. The function can operate on instant or time-delayed mode.
  • Page 237 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The blocking of the function causes an HMI display event and a time-stamped blocking event with information of the startup values of the selected signal and its fault type to be issued. The blocking signal can also be tested in the commissioning phase by a software switch signal when the relay's testing mode "Enable stage forcing"...
  • Page 238 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 8601 PGS1 PS5 >/< Start OFF 8602 PGS1 PS5 >/< Trip ON 8603 PGS1 PS5 >/< Trip OFF 8604 PGS1 PS5 >/<...

  • Page 239: Voltage Memory

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 The function registers its operation into the last twelve (12) time-stamped registers. The register of the function records the ON event process data for START, TRIP or BLOCKED. The table below presents the structure of the function's register content.
  • Page 240 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Voltage memory activates when the above-mentioned criteria are met. Voltage memory uses the "VMEM activation voltage" parameter as voltage amplitude even when the actual measured voltage has decreased below it or close to zero. The angle used by this function is the one captured the moment before the fault occurred and voltage memory was activated.
  • Page 241 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Signal Description Time base RMS measurement of voltage U RMS measurement of voltage U Voltage measurement modes 3LN and 3LL use three voltage inputs: channels U and U . When the voltage mode is set to 2LL, only two channels (U and U ) are in use, and the memory is based on...

  • Page 242: Control Functions

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Events The voltage memory function (abbreviated "M1VT" in event block names) generates events from the status changes in various activities. The user can select which event messages are stored in the main event buffer: ON, OFF, or both.
  • Page 243 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.1 - 157. Simplified function block diagram of the setting group selection function. Setting group selection can be applied to each of the setting groups individually by activating one of the various internal logic inputs and connected digital inputs.
  • Page 244 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Settings and signals The settings of the setting group control function include the active setting group selection, the forced setting group selection, the enabling (or disabling) of the forced change, the selection of the number of active setting groups in the application, as well as the selection of the setting group changed remotely.
  • Page 245 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description 0: Not Setting The selection of Setting group 2 ("SG2"). Has the second highest priority input in setting active 0: Not group group control. Can be controlled with pulses or static signals. If static signal active control is applied, no requests with a lower priority than SG1 will be processed.
  • Page 246 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.1 - 159. Setting group control – one-wire connection from Petersen coil status. Depending on the application's requirements, the setting group control can be applied either with a one-wire connection or with a two-wire connection by monitoring the state of the Petersen coil connection.
  • Page 247 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.1 - 160. Setting group control – two-wire connection from Petersen coil status.
  • Page 248 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.1 - 161. Setting group control – two-wire connection from Petersen coil status with additional logic. The images above depict a two-wire connection from the Petersen coil: the two images at the top show a direct connection, while the two images on the bottom include additional logic.
  • Page 249 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.1 - 162. Entirely application-controlled setting group change with the cold load pick-up function. In these examples the cold load pick-up function's output is used for the automatic setting group change.
  • Page 250 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 4168 SG6 Enabled 4169 SG6 Disabled 4170 SG7 Enabled 4171 SG7 Disabled 4172 SG8 Enabled 4173 SG8 Disabled 4174 SG1 Request ON 4175 SG1 Request OFF 4176...

  • Page 251: Object Control And Monitoring

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 4206 SG3 Active ON 4207 SG3 Active OFF 4208 SG4 Active ON 4209 SG4 Active OFF 4210 SG5 Active ON 4211 SG5 Active OFF 4212...
  • Page 252 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The function generates general time stamped ON/OFF events to the common event buffer from each of the two (2) output signals as well as several operational event signals. The time stamp resolution is 1 ms.
  • Page 253 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description 0: Open Blocked 1: Open Allowed 2: Close Additional Blocked status 3: Close Displays additional information about the status of the object. information Allowed 4: Object Ready 5: Object Not Ready 6: Sync Ok...
  • Page 254 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.4.2 - 164. I/O. Signal Range Description Digital input or other logical Objectx Open input A link to a physical digital input. The monitored object's OPEN status. "1" refers signal selected ("Objectx Open Status to the active open state of the monitored object.
  • Page 255 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description Maximum Open Determines the maximum length for a Open pulse from the output relay to the 0.02…500.00 0.02 command 0.2 s controlled object. If the object operates faster than this set time, the control pulse pulse is reset and a status change is detected.
  • Page 256 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.2 - 164. Example of an interlock application. In order for the blocking signal to be received on time, it has to reach the function 5 ms before the control command.
  • Page 257 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.4.2 - 167. Event codes of the OBJ function instances 1 – 5. Event Number Event channel Event block name Event Code Description 2944 OBJ1 Object Intermediate 2945 OBJ1 Object Open 2946 OBJ1...
  • Page 258 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event Number Event channel Event block name Event Code Description 3017 OBJ2 Open Request OFF 3018 OBJ2 Open Command ON 3019 OBJ2 Open Command OFF 3020 OBJ2 Close Request ON 3021 OBJ2 Close Request OFF...
  • Page 259 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event Number Event channel Event block name Event Code Description 3091 OBJ3 Close Blocked OFF 3092 OBJ3 Object Ready 3093 OBJ3 Object Not Ready 3094 OBJ3 Sync Ok 3095 OBJ3 Sync Not Ok 3096 OBJ3...
  • Page 260 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event Number Event channel Event block name Event Code Description 3201 OBJ5 Object Open 3202 OBJ5 Object Close 3203 OBJ5 Object Bad 3204 OBJ5 WD Intermediate 3205 OBJ5 WD Out 3206 OBJ5 WD In...

  • Page 261: Indicator Object Monitoring

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Description Close fail The cause of a "Close" command's failure. Open command The source of an "Open" command. Close command The source of an "Open" command. General status The general status of the function. 5.4.3 Indicator object monitoring The indicator object monitoring function takes care of the status monitoring of disconnectors.

  • Page 262: Automatic Voltage Regulator (90)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Signal Range Description IndicatorX Close Digital input or other input A link to a physical digital input. The monitored indicator's CLOSE status. "1" refers to logical signal selected ("Ind.X by the user the active "Close"...
  • Page 263 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The transformer secondary voltage and bus voltage may vary based on changes and variations in the load, the load power factor, the transmission system, and the resistance and reactance of the load. The aim of using an automatic voltage regulator is to maintain a stable secondary voltage and thus make sure that the distribution voltage does not rise dangerously high or fall unusably low.
  • Page 264 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.4 - 165. Two connection options for voltage measurement. The connection on the left shows the relay that has a full voltage connection with complete phase-to- phase or phase-to-earth voltages (3LN+U4; also on modes 3LL + U4 and 2LL+U3+U4); the AVR measurement voltage can be selected to be either U12, U23, or U31.
  • Page 265 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The properties of the used tap changer are set in the tap settings. They allow for the configuration of the number of tap changer positions, the middle position, and the position indication message. There are several different ways to connect tap position indication: •...
  • Page 266 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.4 - 167. Connecting mA input to option card.
  • Page 267 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.4 - 168. Tap position indication (according to the example settings). Some tap changers might work “inversely”, meaning that the maximum mA measurement indicates that the tap changer is in the lowest position. If this is the case, this can be switched with the “Tap position indication”...
  • Page 268 A A Q Q -T215 -T215 Instruction manual Version: 2.04 When setting up the tap changer settings, it would be ideal to have the mA difference between each step be identical. However, this is not how it goes most of the time, and sometimes this non-linear increase can cause the AVR function to assume that the tap position has changed two or zero steps when in actuality the tap changer has been controlled for one step.
  • Page 269 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Sometimes tap position indication is done by using multiple digital inputs. With binary coded inputs any one decimal numeral can be represented by a five-bit pattern. You can use binary input code by setting the "Tap position indication"...
  • Page 270 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Tap position measured from resistance Instead of mA measurement, RTD resistance is also an applicable option. To use RTD measurement the position indication needs to be scaled in Measurement → AI (mA, DI volt) scaling (see the image below).
  • Page 271 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.4 - 172. Result of the above-mentioned example. In the example figure above, the RTD card's Sensor 1 is used for tap position indication. With these settings the measured resistance (0...180 Ω) is transferred to the tap position 1...19. To use this scaling settting, please select the option "Scaled input"...
  • Page 272 A A Q Q -T215 -T215 Instruction manual Version: 2.04 This gives 20 % more total band for regulating, and this setting ensures that the voltage remains within the voltage window after a tap change operation. You can increase the regulating sensitivity by setting a smaller window;...
  • Page 273 A A Q Q -T215 -T215 Instruction manual Version: 2.04 In this example situation the set voltage window is still too tight compared to the tap effect. This time the AVR reaches the target window with one tap change, but afterwards the voltage is very close to the limit.
  • Page 274 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.4 - 176. Second voltage window two tap steps from the first voltage window. It is recommended that the operating time for the second (fast) window is in inverse mode, although it can also be set to the definite operating mode.
  • Page 275 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.4 - 177. Inverse operating time characteristics for the second voltage window (U>>/<< window The inverse operating time controls the voltage back to the set target window: the bigger the deviation (dU [%]) is, the smaller the operating time to get the voltage within the target window.
  • Page 276 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.4 - 178. Combined operating time characteristics of both voltage windows. The figure above presents the combined operating time characteristics of both voltage windows as a function of the voltage deviation. As it shows, the faster inverse operation time characteristics are in effect until the voltage deviation hits the U>>/<<...
  • Page 277 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.4 - 179. Instant low command with two time-delayed windows. The pick-up setting recommendation for the instant low function is equal to the the maximum allowed overvoltage subtracted by the tap effect. This way there should not be situations where the voltage is allowed to stay above the maximum allowed voltage for a long time.
  • Page 278 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.4 - 180. Effect of the Instant low setting on time characteristics. The AVR's low voltage blocking prevents the tap changer's operations to avoid the control to the maximum position when the feeding voltage returns to the nominal level (see the image below). This can occur in various power-off situations, such as when there is a heavy short-circuit fault in the feeding network side, or when the tap drifts towads the maximum voltage.
  • Page 279 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.4 - 181. Low voltage blocking. The recommended setting for low voltage blocking is the maximum tap increase positions effect. For example, if the tap changer has a ± 9 × 1.67 % control range, the undervoltage blocking should be set to 15 % (9 ×...
  • Page 280 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Signal Description Time base Phase current IL2 Phase current IL3 General settings The general settings define the basic control settings for the voltage measurement configuration. The settings give general information about the AV regulator's condition and status. The general settings also include indications and measurements.
  • Page 281 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description 0: - 1: Fine tune decrease 2: Fine tune increase 3: Low set decrease Displays the timer, when the AVR is counting time. Time Vreg timer active 4: High set 0: - left to operation is indicated by "Time left to operation"...
  • Page 282 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Control settings The control settings define the control model as well as the manual increasing and decreasing commands from the HMI. The timing controls are here as well. Table. 5.4.4 - 174. Control settings parameters. Name Description Range...
  • Page 283 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description 0: Scaling curve 1 (mA) 1: Scaling curve 2 (mA) 2: Scaling curve 3 (mA) 3: Scaling curve 4 Selects the scaled input signal. Scaled input (mA) 0: Scaling curve signal...
  • Page 284 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description Displays the mA input measurement value at the moment in the location indication range. For example, if the indication range is 4...20 mA and 6 mA mA input now is measured by the chosen channel, this (in the set...
  • Page 285 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description U>>/<< 0: Not in use 0: Not in Selects whether or not the high-set definite/inverse time voltage window in 1: In use window is in use. Sets the "voltage high"...
  • Page 286 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Description AVR block The commissioning block for the actual controlling of the output contacts. Blocks only the output contacts control outs of the AVR function. Output signals The AVR function has the following available output signals. Table.
  • Page 287 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Before the user can switch the AVR between the manual and automatic modes, they must name a signal for this. The input selection at the function's I/O → Input signal control → AVR to manual control determines this.
  • Page 288 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.4.4 - 180. Events codes. Event number Event channel Event block name Event code Description 7360 VRG1 Tap Raise command ON 7361 VRG1 Tap Raise command OFF 7362 VRG1 Tap Lower command ON 7363 VRG1...

  • Page 289: Milliampere Output Control

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.4.4 - 181. Register content. Target Control Date and time Event Voltage now Tap now Used SG volt mode dd.mm.yyyy 7360-7389 Voltage at the moment Tap location Target 0: Auto Setting group 1...8 hh:mm:ss.mss Descr.
  • Page 290 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.4.5 - 183. Settings for mA output channels. Name Range Step Default Description Enable mA 0: Disabled Enables and disables the selected mA output channel. If output 0: Disabled 1: Enabled the channel is disabled, the channel settings are hidden.

  • Page 291: Programmable Control Switch

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.4.5 - 185. Measurement values reported by mA output cards. Name Range Step Description mA in Channel 1 Displays the measured mA value of the selected input 0.0000…24.0000mA 0.0001mA channel.

  • Page 292: Analog Input Scaling Curves

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description Switch 2 OFF Switch 3 ON Switch 3 OFF Switch 4 ON Switch 4 OFF Switch 5 ON Switch 5 OFF 5.4.7 Analog input scaling curves Sometimes when measuring with RTD inputs, milliampere inputs and digital inputs the measurement might be inaccurate because the signal coming from the source is inaccurate.
  • Page 293 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description Curve 1...4 input Enables out of range signals. If input signal is out of minimum 0: No signal out of range 0: No and maximum limits, "ASC1...4 input out of range" signal is 1: Yes activated.

  • Page 294: Logical Outputs

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 If for some reason the input signal is lost, the value is fixed to the last actual measured cycle value. The value does not go down to the minimum if it has been something else at the time of the signal breaking. Table.

  • Page 295: Logical Inputs

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.8 - 184. Logic output example. 5.4.9 Logical inputs Logical inputs are binary signals that a user can control manually to change the behavior of the AQ-200 unit or to give direct control commands. Logical inputs can be controlled with a virtual switch built in the mimic and from a SCADA system (IEC 61850, Modbus, IEC 101, etc.).

  • Page 296: Monitoring Functions

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.4.9 - 186. Extending a logical input pulse. 5.5 Monitoring functions 5.5.1 Current transformer supervision The current transformer supervision function (abbreviated CTS in this document) is used for monitoring the CTs as well as the wirings between the device and the CT inputs for malfunctions and wire breaks.
  • Page 297 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The function constantly monitors the instant values and the key calculated magnitudes of the phase currents. Additionally, the residual current circuit can be monitored if the residual current is measured from a dedicated residual current CT.
  • Page 298 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.5.1 - 188. Simplified function block diagram of the CTS function. Measured input The function block uses analog current measurement values, the RMS magnitude of the current measurement inputs, and the calculated positive and negative sequence currents. The user can select what is used for the residual current measurement: nothing, the I01 RMS measurement, or the I02 RMS measurement.
  • Page 299 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Signal Description Time base I02RMS RMS measurement of residual input I02 Phase current's positive sequence component Phase current's negative sequence component IL1Ang Angle of phase L1 (A) current IL2 Ang Angle of phase L2 (B) current IL3 Ang Angle of phase L3 (C) current...
  • Page 300 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description Determines the pick-up ratio threshold between the minimum and maximum values of the phase current. ratio 0.01…100.00% 0.01% 10.00% This condition has to be met for the function to activate. Determines the pick-up ratio threshold for the negative and positive sequence currents calculated from the phase currents.
  • Page 301 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.5.1 - 189. All works properly, no faults. Figure. 5.5.1 - 190. Secondary circuit fault in phase L1 wiring. When a fault is detected and all conditions are met, the CTS timer starts counting. If the situation continues until the set time has passed, the function issues an alarm.
  • Page 302 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.5.1 - 191. Primary circuit fault in phase L1 wiring. In this example, distinguishing between a primary fault and a secondary fault is impossible. However, the situation meets the function's activation conditions, and if this state (secondary circuit fault) continues until the set time has passed, the function issues an alarm.
  • Page 303 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.5.1 - 193. Low current and heavy unbalance. If all of the measured phase magnitudes are below the I low limit setting, the function is not activated even when the other conditions (inc. the unbalance condition) are met. If the I high limit and I low limit setting parameters are adjusted according to the application's...
  • Page 304 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.5.1 - 195. Broken secondary phase current wiring. When phase current wire is broken all of the conditions are met in the CTS and alarm shall be issued in case if the situation continues until the set alarming time is met.
  • Page 305 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.5.1 - 197. Primary side high-impedance earth fault. In this example there is a high-impedance earth fault. It does not activate the function, if the measurement conditions are met, while the calculated and measured residual current difference does not reach the limit.

  • Page 306: Voltage Transformer Supervision (60)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.5.1 - 194. Register content. Date Time to Used Event code Trigger currents Ftype and time CTSact Time The status Setting The phase currents (L1, L2 & L3), the remaining dd.mm.yyyy code of the...
  • Page 307 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.5.2 - 199. Simplified function block diagram of the VTS function. Measured input The function block uses analog voltage measurement values. Function uses the RMS value of the voltage measurement inputs and the calculated (positive, negative and zero) sequence currents. Table.
  • Page 308 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Signal Description Time base Angle of U voltage The selection of the AI channel in use is made with a setting parameter. In all possible input channel variations the pre-fault condition is presented with a 20 ms averaged history value from -20 ms from START or TRIP event.
  • Page 309 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.5.2 - 197. Information displayed by the function. Name Range Step Description 0: Normal 1: Start 2: VTLinefail Displays status of the monitoring function. condition 3: VTBusfail 4: Blocked 0: Bus dead 1: Bus Live VTS Ok SEQ Ok...

  • Page 310: Circuit Breaker Wear

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.5.2 - 198. Event codes. Event number Event channel Event block name Event code Description 3392 VTS1 Bus VT fail Start ON 3393 VTS1 Bus VT fail Start OFF 3394 VTS1 Bus VT fail Trip ON...
  • Page 311 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.5.3 - 200. Example of the circuit breaker interrupting life operations. The function is triggered from the circuit breaker's "Open" command output and it monitors the three- phase current values in both the tripping moment and the normal breaker opening moment. The maximum value of interrupting life operations for each phase is calculated from these currents.
  • Page 312 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Measured input The function block uses analog current measurement values and always uses the RMS magnitude of the current measurement input. Table. 5.5.3 - 200. Measurement inputs of the circuit breaker wear function. Signal Description Time base...
  • Page 313 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Setting example Let us examine the settings, using a low-duty vacuum circuit breaker (ISM25_LD_1/3) manufactured by Tavrida as an example. The image below presents the technical specifications provided by the manufacturer, with the data relevant to our settings highlighted in red: Now, we set the stage as follows: Parameter...

  • Page 314: Total Harmonic Distortion (Thd)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Parameter Setting Alarm 2 Set 100 operations With these settings, Alarm 1 is issued when the cumulative interruption counter for any of the three phases dips below the set 1000 remaining operations ("Alarm 1 Set"). Similarly, when any of the counters dips below 100 remaining operations, Alarm 2 is issued.
  • Page 315 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.5.4 - 202. THD calculation formulas. While both of these formulas exist, the power ratio ( THD ) is recognized by the IEEE, and the amplitude ratio ( THD ) is recognized by the IEC.
  • Page 316 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.5.4 - 203. Simplified function block diagram of the total harmonic distortion monitor function. Measured input The function block uses analog current measurement values. The function always uses FFT measurement of the whole harmonic specter of 32 components from each measured current channel.
  • Page 317 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Pick-up The Phase , I01 and I02 s etting parameters control the the pick-up and activation of the function. They define the maximum allowed measured current before action from the function. Before the function activates alarm signals, their corresponding pick-up elements need to be activated with the setting parameters Enable phase THD alarm , Enable I01 THD alarm and Enable I02 THD alarm .
  • Page 318 A A Q Q -T215 -T215 Instruction manual Version: 2.04 If the blocking signal is active when the pick-up element activates, a BLOCKED signal is generated and the function does not process the situation further. If the START function has been activated before the blocking signal, it resets and the release time characteristics are processed similarly to when the pick- up signal is reset.

  • Page 319: Disturbance Recorder (Dr)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 3529 THD1 THD Alarm I01 OFF 3530 THD1 THD Alarm I02 ON 3531 THD1 THD Alarm I02 OFF 3532 THD1 Blocked ON 3533 THD1...
  • Page 320 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Signal Description IL2” Phase current I (CT card 2) Phase current I (CT card 2) IL3” Residual current I coarse* (CT card 2) I01”c I01”f Residual current I fine* (CT card 2) Residual current I coarse* (CT card 2) I02”c...
  • Page 321 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.5.5 - 214. Digital recording channels – Measurements. Signal Description Signal Description Currents Primary phase current ILx Primary phase current TRMS (IL1, IL2, Pri.Pha.curr.ILx Pha.curr.ILx TRMS Pri (IL1, IL2, IL3) IL3) Phase angle ILx (IL1, IL2, Pha.angle ILx...
  • Page 322 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Signal Description Signal Description Pos./Neg./Zero Positive/Negative/Zero Ux Angle difference Ux angle difference (U1, U2, U3) Seq volt.Angle sequence voltage angle Resistive and reactive currents ILx resistive current in per- ILx Resistive Pos.seq.
  • Page 323 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Signal Description Signal Description Neutral Primary neutral susceptance B f meas qlty Quality of tracked frequency susceptance (Pri) Indicates which of the three voltage or Neutral Primary neutral admittance f meas from current channel frequencies is used by the admittance Y (Pri) relay.
  • Page 324 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The device has a maximum limit of 100 for the number of recordings. Even when the recordings are very small, their number cannot exceed 100. The number of analog and digital channels together with the sample rate and the time setting affect the recording size.
  • Page 325 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Default Description Selects what happens when the memory is full. 0: FIFO Recording mode 0: FIFO "FIFO" (= first in, first out) replaces the oldest stored recording 1: Keep olds with the latest one.
  • Page 326 The recorder is configured by using the setting tool software or relay HMI, and the results are analyzed with the AQviewer software (is automatically downloaded and installed with AQtivate). Registered users can download the latest tools from the Arcteq website (arcteq.fi./downloads/).
  • Page 327 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.5.5 - 204. Disturbance recorder settings. Figure. 5.5.5 - 205. Effects of recording length and pre-triggering time signals. This example is based on the settings shown above. When there is at least one recording in the device's memory, that recording can be analyzed by using the AQviewer software (see the image below).
  • Page 328 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The user can also launch the AQviewer software from the Disturbance recorder menu. AQviewer Opening f Opening folders olders Disturbance recordings can be opened by clicking on the "Open folder" icon or by going to File → Open (see the image below).
  • Page 329 A A Q Q -T215 -T215 Instruction manual Version: 2.04 1. You can remove plotters individually by using the red "—" icon (numbered "1" in the image below). Please note that the "Remove plotters" text appears when you move the cursor on top of the icon.

  • Page 330: Measurement Recorder

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 5.5.6 Measurement recorder Measurements can be recorded to a file with the measurement recorder. The chosen measurements are recorded at selected intervals. In the "Measurement recorder" window, the measurements the user wants to be recorded can be selected by checking their respective check boxes.
  • Page 331 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 5.5.6 - 207. Measurement recorder values viewed with AQtivate PRO. Table. 5.5.6 - 220. Available analog signals. Curr Current mea ent measur surements ements P-P Curr.I”L3 L1 Imp.React.Ind.E.Mvarh Pri.Pha.Curr.IL1 P-P Curr.I”01 L1 Imp.React.Ind.E.kvarh Pri.Pha.Curr.IL2...
  • Page 332 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Pha.Curr.IL2 TRMS Sec Neg.Seq.Volt.Pri L3 Exp.Active Energy MWh Pha.Curr.IL3 TRMS Sec Zero.Seq.Volt.Pri L3 Exp.Active Energy kWh Sec.Pos.Seq.Curr. U1Volt Sec L3 Imp.Active Energy MWh Sec.Neg.Seq.Curr. U2Volt Sec L3 Imp.Active Energy kWh Sec.Zero.Seq.Curr.
  • Page 333 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Res.Curr.angle I01 System Volt UL2 mag TM> Reference T curr. Res.Curr.angle I02 System Volt UL2 mag (kV) TM> Active meas curr. Calc.I0.angle System Volt UL3 mag TM> T est.with act. curr. Pos.Seq.Curr.angle System Volt UL3 mag (kV) TM>...

  • Page 334: Measurement Value Recorder

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Calc.I”0 L3 Tan(phi) L3 Bias current Pha.Curr.I”L1 TRMS L3 Cos(phi) L3 Diff current Pha.Curr.I”L2 TRMS 3PH Apparent Power (S) L3 Char current Pha.Curr.I”L3 TRMS 3PH Active Power (P) HV I0d> Bias current I”...
  • Page 335 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The user can set up to eight (8) magnitudes to be recorded when the function is triggered. An overcurrent fault type, a voltage fault type, and a tripped stage can be recorded and reported straight to SCADA.
  • Page 336 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Currents Description Rseq, Xseq, Zseq The positive sequence resistance, reactance and impedance values and angles. RseqAng, XseqAng, ZseqAng GL1, GL2, GL3, G0 BL1, BL2, BL3, B0 The conductances, susceptances and admittances. YL1, YL2, YL3, Y0 YL1angle, YL2angle, YL3angle The admittance angles.
  • Page 337 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 5.5.7 - 221. Reported values. Name Range Step Description 0: - 1: I> Trip 2: I>> Trip 3: I>>> Trip 4: I>>>> Trip 5: IDir> Trip 6: IDir>> Trip 7: IDir>>>...
  • Page 338 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Step Description 0: - 1: A(AB) 2: B(BC) 3: A-B(AB-BC) 4: C(CA) 5: A-C(AB-CA) 6: B-C(BC-CA) 7: A-B-C 8: - Voltage fault type The voltage fault type. 9: Overfrequency 10: Underfrequency 11: Overpower 12: Underpower...

  • Page 339: Sy Y St Stem Int 6 S Em Integra Egration Tion

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 6 System integration 6.1 Communication protocols 6.1.1 NTP When enabled, the NTP (Network Time Protocol) service can use external time sources to synchronize the device's system time. The NTP client service uses an Ethernet connection to connect to the NTP time server.

  • Page 340: Modbus/Tcp And Modbus/Rtu

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 6.1.2 Modbus/TCP and Modbus/RTU The device supports both Modbus/TCP and Modbus/RTU communication. Modbus/TCP uses the Ethernet connection to communicate with Modbus/TCP clients. Modbus/RTU is a serial protocol that can be selected for the available serial ports. The following Modbus function types are supported: •...

  • Page 341: Modbus I/O

    AQ-25x frame units support both Edition 1 and 2 of IEC61850. The following services are supported by IEC 61850 in Arcteq devices: • Up to six data sets (predefined data sets can be edited with the IEC 61850 tool in AQtivate) •...
  • Page 342 The device's current IEC 61850 setup can be viewed and edited with the IEC61850 tool ( Tools → Communication → IEC 61850 ). By browsing the 61850 tree one can see the full list of available logical nodes in the Arcteq implementation. Settings.

  • Page 343: Goose

    (slave) station. The IEC 103 protocol can be selected for the serial ports that are available in the device. A primary (master) station can then communicate with the Arcteq device and receive information by polling from the slave device. The transfer of disturbance recordings is not supported.

  • Page 344: Dnp3

    DNP3 slave is compliant with the DNP3 subset (level) 2, but it also contains some functionalities of the higher levels. For detailed information please refer to the DNP3 Device Profile document (www.arcteq.fi/downloads/ → AQ-200 series → Resources). Settings The following table describes the DNP3 setting parameters.
  • Page 345 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Name Range Default Description 0: Var 1 Group 4 variation (DBI change) 1: Var 2 Selects the variation of the double point signal. 1: Var 2 0: Var 1 1: Var 2 Group 20 variation (CNTR) 0: Var 1 Selects the variation of the control signal.

  • Page 346: Iec 101/104

    IEC 104 protocol uses Ethernet communication. The IEC 101/104 implementation works as a slave in the unbalanced mode. For detailed information please refer to the IEC 101/104 interoperability document (www.arcteq.fi/ downloads/ → AQ-200 series → Resources → "AQ-200 IEC101 & IEC104 interoperability").
  • Page 347 A A Q Q -T215 -T215 Instruction manual Version: 2.04 • Current • Residual current • Voltage • Residual voltage • Angle The range is the same for all of the scaling coefficients. By default, there is no scaling. • No scaling •...

  • Page 348: Spa

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 6.1.9 SPA The device can act as a SPA slave. SPA can be selected as the communication protocol for the COM B port (RS-485 port in the CPU module). When the device includes a serial RS-232 card connector, the SPA protocol can also be selected as the communication protocol for the COM E and COM F ports.
  • Page 349 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Measurable values Function block uses analog current and voltage measurement values. The relay uses these values as the basis when it calculates the primary and secondary values of currents, voltages, powers, impedances and other values.
  • Page 350 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Signals Description Z12Ang, Z23Ang, Z31Ang, Phase-to-phase and phase-to-neutral impedance angles. ZL1Ang, ZL2Ang, ZL3Ang Rseq, Xseq, Zseq Positive sequence resistance, reactance and impedance values and angles. RseqAng, XseqAng, ZseqAng GL1, GL2, GL3, G0 BL1, BL2, BL3, B0 Conductances, susceptances and admittances.

  • Page 351: Connections And Applica A Tion Examples

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 7 Connections and application examples 7.1 Connections of AQ-T215 Figure. 7.1 - 208. AQ-T215 variant without add-on modules.
  • Page 352 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 7.1 - 209. AQ-T215 variant with digital input and output modules.

  • Page 353: Application Example And Its Connections

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 7.1 - 210. AQ-T215 application example with function block diagram. AQ-T215 Device I/O Add-on 3 (IL) 4 voltage 1...3 3 slots 2 (I0) channels Protection functions I> I0> I2>...

  • Page 354: Trip Circuit Supervision (95)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 7.2 - 211. Application example and its connections. 7.3 Trip circuit supervision (95) Trip circuit supervision is used to monitor the wiring from auxiliary power supply, through the IED's digital output, and all the way to the open coil of the breaker.
  • Page 355 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 7.3 - 212. Trip circuit supervision with one DI and one non-latched trip output. Note that the digital input that monitors the circuit is normally closed, and the same applies to the alarm relay if one is used.
  • Page 356 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 7.3 - 214. Non-latched trip contact. When the auto-reclosing function is used in feeder applications, the trip output contacts must be non- latched. Trip circuit supervision is generally easier and more reliable to build with non-latched outputs. The open coil remains energized only as long as the circuit breaker is opened and the IED output releases.
  • Page 357 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 7.3 - 215. Trip circuit supervision with one DI and one latched output contact. The trip circuit with a latched output contact can be monitored, but only when the circuit breaker's status is "Closed".
  • Page 358 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 7.3 - 216. Example block scheme.

  • Page 359: Construction And Installa

    In field upgrades, therefore, the add-on module must be ordered from Arcteq Relays Ltd. or its representative who can then provide the module with its corresponding unlocking code to allow the device to operate correctly once the hardware configuration has been upgraded.
  • Page 360 A A Q Q -T215 -T215 Instruction manual Version: 2.04 When an I/O module is inserted into the device, the module location affects the naming of the I/O. The I/O scanning order in the start-up sequence is as follows: the CPU module I/O, Slot C, Slot E, and Slot F.
  • Page 361 A A Q Q -T215 -T215 Instruction manual Version: 2.04 5. Scan Scans Slot D and finds the five channels of the CT module (fixed for AQ-X215). If the CTM is not found, the device issues an alarm. 6. Scan Scans Slot E, and moves to the next slot if Slot E is empty.

  • Page 362: Cpu Module

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 8.2 CPU module Figure. 8.2 - 219. CPU module. Module connectors Table. 8.2 - 242. Module connector descriptions. Connector Description Communication port A, or the RJ-45 port. Used for the setting tool connection and for IEC 61850, Modbus/ COM A TCP, IEC 104, DNP3 and station bus communications.
  • Page 363 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Connector Description System fault's output relay, with a changeover contact. Pins 16 and 17 are closed when the unit has a system X 16:17:18 fault or is powered OFF. Pins 16 and 18 are closed when the unit is powered ON and there is no system fault. Power supply IN.

  • Page 364: Current Measurement Module

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 8.3 Current measurement module Figure. 8.3 - 220. Module connections with standard and ring lug terminals. Connector Description CTM 1-2 Phase current measurement for phase L1 (A). CTM 3-4 Phase current measurement for phase L2 (B). CTM 5-6 Phase current measurement for phase L3 (C).

  • Page 365: Voltage Measurement Module

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 8.4 Voltage measurement module Figure. 8.4 - 221. Voltage measurement module. Connector Description VTM 1-2 Configurable voltage measurement input U1. VTM 3-4 Configurable voltage measurement input U2. VTM 5-6 Configurable voltage measurement input U3. VTM 7-8 Configurable voltage measurement input U4.

  • Page 366: Digital Input Module (Optional)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 8.5 Digital input module (optional) Figure. 8.5 - 222. Digital input module (DI8) with eight add-on digital inputs. Description (x = the number of digital inputs in other modules that preceed this one in the Connector configuration) DIx + 1...
  • Page 367 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Setting up the activation and release delays The settings described in the table below can be found at Control → Device I/O → Digital input settings in the relay settings. Table.

  • Page 368: Digital Output Module (Optional)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 8.5 - 223. Digital input state when energizing and de-energizing the digital input channels. Digital input voltage measurements Digital input option card channels measure voltage on each channel. The measured voltage can be seen at Control →...

  • Page 369: Arc Protection Module (Optional)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Connector Description X 5–6 OUTx + 3 (1 and 2 pole NO) X 7–8 OUTx + 4 (1 and 2 pole NO) X 9–10 OUTx + 5 (1 and 2 pole NO) The DO5 module is an add-on module with five (5) digital outputs.

  • Page 370: Rtd Input Module (Optional)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Connector Description Binary input 1 (+ pole) Binary input 1 ( – pole) The arc protection module is an add-on module with four (4) light sensor channels, two (2) high-speed outputs and one (1) binary input.

  • Page 371: Serial Rs-232 Communication Module (Optional)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 The RTD input module is an add-on module with eight (8) RTD input channels. Each input supports 2-wire, 3-wire and 4-wire RTD sensors as well as thermocouple (TC) sensors. The sensor type can be selected with software for two groups, four channels each.
  • Page 372 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Connector Name Description • Serial-based communications • Wavelength 660 nm Serial fiber (GG/ • Compatible with 50/125 μm, 62.5/125 μm, 100/140 μm, and COM E PP/GP/PG) 200 μm Plastic-Clad Silica (PCS) fiber •...

  • Page 373: Lc 100 Mbps Ethernet Communication Module (Optional)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 8.10 LC 100 Mbps Ethernet communication module (optional) Figure. 8.10 - 229. LC 100 Mbps Ethernet module connectors. Connector Description • Communication port C, LC fiber connector. • 62.5/125 μm or 50/125 μm multimode (glass). COM C: •...

  • Page 374: Double St 100 Mbps Ethernet Communication Module (Optional)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 8.11 Double ST 100 Mbps Ethernet communication module (optional) Figure. 8.11 - 230. Double ST 100 Mbps Ethernet communication module connectors. Connector Description • IRIG-B input Two-pin connector • Duplex ST connectors (IRIG-B input) •...
  • Page 375 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 8.11 - 231. Example of a ring configuration. Figure. 8.11 - 232. Example of a multidrop configuration.

  • Page 376: Double Rj-45 10/100 Mbps Ethernet Communication Module (Optional)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 8.12 Double RJ-45 10/100 Mbps Ethernet communication module (optional) Figure. 8.12 - 233. Double RJ-45 10/100 Mbps Ethernet communication module. Connector Description • IRIG-B input Two-pin connector • Two Ethernet ports •...
  • Page 377 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 8.12 - 234. Example of a ring configuration. Figure. 8.12 - 235. Example of a multidrop configuration.

  • Page 378: Milliampere (Ma) I/O Module (Optional)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 8.13 Milliampere (mA) I/O module (optional) Figure. 8.13 - 236. Milliampere (mA) I/O module connections. Connector Description Pin 1 mA OUT 1 + connector (0…24 mA) Pin 2 mA OUT 1 – connector (0…24 mA) Pin 3 mA OUT 2 + connector (0…24 mA) Pin 4...
  • Page 379 A A Q Q -T215 -T215 Instruction manual Version: 2.04 The figures below describe the device dimensions (first figure), the device installation (second), and the panel cutout dimensions and device spacing (third). Figure. 8.14 - 237. Device dimensions. Figure. 8.14 - 238. Device installation.
  • Page 380 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Figure. 8.14 - 239. Panel cutout dimensions and device spacing.

  • Page 381: Technic Echnical Da Al Data Ta

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 9 Technical data 9.1 Hardware 9.1.1 Measurements 9.1.1.1 Current measurement Table. 9.1.1.1 - 247. Technical data for the current measurement module. Connections Three phase current inputs: IL1 (A), IL2 (B), IL3 (C) Measurement channels/CT Two residual current inputs: Coarse residual current input I01, Fine residual current input inputs...

  • Page 382: Voltage Measurement

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 < ±0.2° (I> 0.05 A) Angle measurement inaccuracy < ±1.0° (I≤ 0.05 A) Burden (50/60Hz) <0.1 VA Transient overreach <5 % Fine residual current input (I02) Rated current I 0.2 A (configurable 0.001…10 A) 25 A (continuous) 100 A (for 10 s) Thermal withstand...

  • Page 383: Power And Energy Measurement

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 ±0.2 degrees (15…300 V) Angle measurement inaccuracy ±1.5 degrees (1…15 V) Voltage measurement bandwidth (freq.) 7…75 Hz fundamental, up to the 31 harmonic voltage Terminal block connection Terminal block Phoenix Contact PC 5/8-STCL1-7.62 Solid or stranded wire 6 mm Maximum wire diameter...

  • Page 384: Cpu Communication Ports

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Maximum permitted interrupt time < 60 ms with 110 VDC DC ripple < 15 % Terminal block connection Terminal block Phoenix Contact MSTB 2,5/5-ST-5,08 Solid or stranded wire 2.5 mm Maximum wire diameter Table.

  • Page 385: Cpu Digital Inputs

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 IEC 61850 IEC 104 Modbus/TCP Port protocols DNP3 Telnet Data transfer rate 100 MB System integration Can be used for system protocols and for local programming Table. 9.1.2.2 - 255. Rear panel system communication port B. Port Port media Copper RS-485...

  • Page 386: Cpu Digital Outputs

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 9.1.2.4 CPU digital outputs Table. 9.1.2.4 - 257. Digital outputs (Normally Open) Rated values Rated auxiliary voltage 265 V (AC/DC) Continuous carry Make and carry 0.5 s 30 A Make and carry 3 s 15 A Breaking capacity, DC (L/R = 40 ms) at 48 VDC...

  • Page 387: Digital Output Module

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Scanning rate 5 ms Activation/release delay 5...11 ms Settings Pick-up threshold Software settable: 16…200 V, setting step 1 V Release threshold Software settable: 10…200 V, setting step 1 V Pick-up delay Software settable: 0…1800 s Drop-off delay Software settable: 0…1800 s...

  • Page 388: Milliampere Module (Ma Out & Ma In)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 9.1.3.3 - 262. High-Speed Outputs (HSO1…2) Rated values Rated auxiliary voltage 250 VDC Continuous carry Make and carry 0.5 s 15 A Make and carry 3 s Breaking capacity, DC (L/R = 40 ms) 1 A/110 W Control rate 5 ms...

  • Page 389: Rtd Input Module

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Update cycle 5...10 000 ms, setting step 5 ms Response time @ 5 ms cycle ~ 15 ms (13...18 ms) Update cycle time inaccuracy Max. +20 ms above the set cycle mA input scaling range 0...4000 mA Output scaling range...

  • Page 390: Display

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 9.1.4 Display Table. 9.1.4 - 268. Technical data for the HMI LCD display. Dimensions and resolution Number of dots/resolution 320 x 160 Size 84.78 × 49.90 mm (3.34 × 1.96 in) Display Type of display Color...

  • Page 391: Non-Directional Earth Fault Protection (I0>; 50N/51N)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Reset time setting 0.010…10.000 s, step 0.005 s Inaccuracy: Reset time ±1.0 % or ±50 ms Instant reset time and start-up reset <50 ms Not t e! e! • The release delay does not apply to phase-specific tripping. 9.2.1.2 Non-directional earth fault protection (I0>;...

  • Page 392: Directional Overcurrent Protection (Idir>; 67)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 • The operation and reset time accuracy does not apply when the measured secondary current in I02 is 1…20 mA. The pick-up is tuned to be more sensitive and the operation times vary because of this.

  • Page 393: Directional Earth Fault Protection (I0Dir>; 67N/32N)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 • The minimum voltage for direction solving is 1.0 V secondary. During three-phase short- circuits the angle memory is active for 0.5 seconds in case the voltage drops below 1.0 V. 9.2.1.4 Directional earth fault protection (I0dir>;...

  • Page 394: Negative Sequence Overcurrent/ Phase Current Reversal/ Current Unbalance Protection (I2>; 46/46R/46L)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Reset time setting 0.000…150.000 s, step 0.005 s Inaccuracy: Reset time ±1.0 % or ±45 ms Instant reset time and start-up reset <50 ms 9.2.1.5 Negative sequence overcurrent/ phase current reversal/ current unbalance protection (I2>;...

  • Page 395: Circuit Breaker Failure Protection (Cbfp; 50Bf/52Bf)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Phase current inputs: I (A), I (B), I Current inputs Residual current channel I (Coarse) Residual current channel I (Fine) Pick-up Harmonic selection , 11 , 13 , 15 , 17 or 19 Harmonic per unit (×...

  • Page 396: Overvoltage Protection (U>; 59)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Phase current inputs: I (A), I (B), I Current inputs Residual current channel I (Coarse) Residual current channel I (Fine) RMS phase currents Current input magnitudes RMS residual current (I or calculated I Pick-up Monitored signals...

  • Page 397: Undervoltage Protection (U<; 27)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Instant operation time Start time and instant operation time (trip): ratio 1.05→ <50 ms Reset Reset ratio 97 % of the pick-up voltage setting Reset time setting 0.010…10.000 s, step 0.005 s Inaccuracy: Reset time ±1.0 % or ±45 ms Instant reset time and start-up reset...

  • Page 398: Neutral Overvoltage Protection (U0>; 59N)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Instant reset time and start-up reset <50 ms Not t e! e! • The low-voltage block is not in use when its pick-up setting is set to 0 %. The undervoltage function is in trip stage when the LV block is disabled and the device has no voltage injection.

  • Page 399: Underimpedance Protection (Z<; 21U)

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Positive sequence voltage (I1) Voltage input calculations Negative sequence voltage (I2) Pick-up 5.00…150.00 %U , setting step 0.01 %U Pick-up setting Inaccuracy: - Voltage ±1.5 %U or ±30 mV Low voltage block Pick-up setting 1.00…80.00 %U , setting step 0.01 %U...

  • Page 400: Resistance Temperature Detectors

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Inaccuracy: - Definite time (Z ratio <0.95) ±1.0 % or ±25 ms Instant operation time Start time and instant operation time (trip): ratio <0.95 <45 ms Reset 103 %Z Reset ratio Reset time setting 0.010…150.000 s, step 0.005 s Inaccuracy: Reset time...

  • Page 401: Transformer Status Monitoring

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Inaccuracy: - V/Hz ±1.0 % Operation time Definite time function operating time setting 0.00…1800.00 s, setting step 0.005 s Inaccuracy: - Definite time (VHZ /VHZ ratio 1.05) ±1.0 % or ±25 ms Instant operation time Start time and instant operation time (trip): - VHZ...

  • Page 402: Control Functions

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Phase current inputs: I (A), I (B), I Current inputs Residual current channel I (Coarse) Residual current channel I (Fine) Sample-based phase current measurement Current input magnitudes Sample-based residual current measurement Channels S1, S2, S3, S4 (pressure and light sensor, or light-only sensor) Arc point sensor inputs Up to four (4) sensors per channel...

  • Page 403: Setting Group Selection

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Inaccuracy: ±1.5 %U - Voltage - Current ±0.5 %I or ±15 mA (0.10…4.0 × I Operating time Control pulse min/max and time between 0.00…1800.00 s, setting step 0.005 s Definite time function operating time setting 0.00…1800.00 s, setting step 0.005 s Inaccuracy: - Definite time (U...

  • Page 404: Monitoring Functions

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Control termination time out setting 0.02…500.00 s, setting step 0.02 s Inaccuracy: - Definite time operating time ±0.5 % or ±10 ms Breaker control operation time External object control time <75 ms Object control during auto-reclosing See the technical sheet for the auto-reclosing function.

  • Page 405: Circuit Breaker Wear Monitoring

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Pick-up settings: 0.05…0.50 × U , setting step 0.01 × U - Voltage (low pick-up) - Voltage (high pick-up) 0.50…1.10 × U , setting step 0.01 × U - Angle shift limit 2.00…90.00 deg, setting step 0.10 deg Inaccuracy: ±1.5 %U...

  • Page 406: Disturbance Recorder

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 Current measurement channels (FFT result) up to the 31 harmonic Current input magnitudes component. Pick-up Power THD Operating modes Amplitude THD Pick-up setting for all comparators 0.10…200.00 % , setting step 0.01 % ±3 % of the set pick-up value >...
  • Page 407 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Radiated emissions: 30…1 000 MHz EN 60255-26 Ch. 5.1, CISPR 11 Immunity Electrostatic discharge (ESD): Air discharge 15 kV EN 60255-26, IEC 61000-4-2 Contact discharge 8 kV Electrical fast transients (EFT): Power supply input 4 kV, 5/50 ns, 5 kHz EN 60255-26, IEC 61000-4-4 Other inputs and outputs 4 kV, 5/50 ns, 5 kHz...
  • Page 408 A A Q Q -T215 -T215 Instruction manual Version: 2.04 Table. 9.3 - 297. Environmental conditions. IP classes IP54 (front) Casing protection class IP21 (rear) Temperature ranges Ambient service temperature range –35…+70 °C Transport and storage temperature range –40…+70 °C Other Altitude <2000 m...

  • Page 409: Ordering Inf Dering Informa Ormation Tion

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 10 Ordering information...
  • Page 410 ADAM-4018+- External 8-ch Thermocouple mA Input module, pre- Requires an external power Advanced Co. configured module Ltd. AQX033 Raising frame 87 mm Arcteq Ltd. AQX070 Raising frame 40 mm Arcteq Ltd. AQX069 Combiflex frame Arcteq Ltd. AQX097 Wall mounting bracket Arcteq Ltd.

  • Page 411: Contact And R Ence Informa Ormation Tion

    A A Q Q -T215 -T215 Instruction manual Version: 2.04 11 Contact and reference information Manufacturer Arcteq Relays Ltd. Visiting and postal address Kvartsikatu 2 A 1 65300 Vaasa, Finland Contacts Phone: +358 10 3221 370 Fax: +358 10 3221 389 Website (general): arcteq.fi...

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