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Arcteq AQ-C213 Instruction Manual

Capacitor bank protection ied
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AQ-C213
Capacitor bank protection IED
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Summary of Contents for Arcteq AQ-C213

  • Page 1 AQ-C213 Capacitor bank protection IED Instruction manual...

  • Page 2: Table Of Contents

    4.9 Configuring user levels and their passwords................. 49 5 Functions unctions ...................................................... 52 5.1 Functions included in AQ-C213 ................... 52 5.2 Measurements........................53 5.2.1 Current measurement and scaling ................53 5.2.2 Voltage measurements and scaling................66 5.2.3 Power and energy calculation ..................75 5.2.4 Frequency tracking and scaling .................
  • Page 3 7 Connections and applic 7 Connections and applica a tion examples tion examples..................................299 7.1 Connections of AQ-C213 ....................299 7.2 Application example and its connections................301 7.3 Two-phase, three-wire ARON input connection ..............302 7.4 Trip circuit supervision (95) ....................303...
  • Page 4 A A Q Q -C213 -C213 Instruction manual Version: 2.04 9.1.3.7 Double LC 100 Mbps Ethernet communication module ....... 338 9.1.4 Display ........................338 9.2 Functions........................... 339 9.2.1 Protection functions....................339 9.2.1.1 Non-directional overcurrent protection (I>; 50/51)........339 9.2.1.2 Non-directional earth fault protection (I0>; 50N/51N) ........340 9.2.1.3 Negative sequence overcurrent/ phase current reversal/ current unbalance protection (I2>;...
  • 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 -C213 -C213 Instruction manual Version: 2.04 Copyright Copyright © Arcteq Relays Ltd. 2021. All rights reserved.

  • Page 7: Document Inf

    A A Q Q -C213 -C213 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-C213 Functions included list Added: Programmable stage, voltage memory, programmable control switches, mA Output module, measurement recorder and running hour counter. - Added 1LL+U0 mode description.

  • Page 9: Version 1 Revision Notes

    Instruction manual Version: 2.04 1.2 Version 1 revision notes Table. 1.2 - 2. Version 1 revision notes Revision 1.00 Date 9.11.2018 Changes - The first revision for AQ-C213 IED. Revision 1.01 Date 13.2.2019 Changes - HMI Display technical data added...

  • Page 10: Abbr Bbre E Via Viations Tions

    A A Q Q -C213 -C213 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 -C213 -C213 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-C213 capacitor bank protection 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. There are up to three (3) option card slots available for additional I/O or communication cards for more comprehensive monitoring and control applications.

  • Page 13: Ied User Interface Erface

    A A Q Q -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 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 -C213 -C213 Instruction manual Version: 2.04 Frequency measurements use the fixed sampling mode as the default, and "System nominal frequency" should be set to the desired level. When "Sampling mode" is set to "Tracking", the device uses the measured frequency value as the system nominal frequency.
  • Page 45 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Voltage measurement Figure. 4.7 - 45. 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 46 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Power and energy measurement Figure. 4.7 - 46. 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 47: Monitoring Menu

    A A Q Q -C213 -C213 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 48 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Monitors enabled Figure. 4.8 - 50. 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 49 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Disturbance recorder Figure. 4.8 - 52. 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 50: Configuring User Levels And Their Passwords

    A A Q Q -C213 -C213 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 51 A A Q Q -C213 -C213 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 52 A A Q Q -C213 -C213 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 53: Functions Unctions

    Instruction manual Version: 2.04 5 Functions 5.1 Functions included in AQ-C213 The AQ-C213 capacitor bank protection IED includes the following functions as well as the number of stages for those functions. Table. 5.1 - 4. Protection functions of AQ-C213. Name...

  • Page 54: Measurements

    Object control and monitoring (5 objects available) SOTF SOTF Switch-on-to-fault Programmable control switch mA output Milliampere output control Table. 5.1 - 6. Monitoring functions of AQ-C213. Name ANSI Description Current transformer supervision Voltage transformer supervision Disturbance recorder Total harmonic distortion...
  • Page 55 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.2.1 - 54. Current measurement terminology 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.
  • Page 56 A A Q Q -C213 -C213 Instruction manual Version: 2.04 The relay calculates the scaling factors based on the set values of the CT primary, the CT secondary and the nominal current settings. The relay measures the secondary current, the current output from the current transformer installed into application's primary circuit.
  • Page 57 A A Q Q -C213 -C213 Instruction manual Version: 2.04 - the phase currents are connected to the I01 residual via a Holmgren connection - the starpoint of the phase current CT's secondary current is towards the line Phase CT scaling Next, to scale the current to per-unit values, we have to select whether the basis of the phase CT scaling is the protected object's nominal current or the CT primary value.
  • Page 58 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Once the measurement scaling is tied to the protected object's nominal current, the user must set the appropriate input for the "Nominal current In" setting. One can now see the differences between the two scaling options (CT nominal vs.
  • Page 59 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.2.1 - 60. Scalings display (based on the CT nominal). Figure. 5.2.1 - 61. Scalings display (based on the protected object's nominal current). As the images above show, the scaling selection does not affect how primary and secondary currents are displayed (as actual values).
  • Page 60 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.2.1 - 62. Connections of ZCT scaling. Troubleshooting When the measured current values differ from the expected current values, the following table offers possible solutions for the problems. NOTE! If you work with energized CTs, extreme caution needs to be taken when checking the connections! An opened CT secondary circuit may generate dangerously high voltages.
  • Page 61 A A Q Q -C213 -C213 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 62 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.2.1 - 63. 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 63 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.2.1 - 64. 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 64 A A Q Q -C213 -C213 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 65 A A Q Q -C213 -C213 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 66 A A Q Q -C213 -C213 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 67: Voltage Measurements And Scaling

    A A Q Q -C213 -C213 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 68 A A Q Q -C213 -C213 Instruction manual Version: 2.04 The relay calculates the scaling factors based on the set VT primary, and secondary voltage values. The relay measures secondary voltages, which are the voltage outputs from the VT installed into the application's primary circuit.
  • Page 69 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.2.2 - 67. Selecting the measured magnitude. Voltage protection itself is based on the nominal voltage. A 20 000 V nominal voltage equals a 100 % setting in voltage-based protection functions. A 120 % trip setting in the overvoltage stage equals to 24 000 V on the primary level (in this case a 20 % increase equals 4000 V).
  • Page 70 A A Q Q -C213 -C213 Instruction manual Version: 2.04 • 2LL+U0 (Open delta 2LL) • U0 See below for three example connections: the first one is for three line-to-neutral voltage measurements, the second for two line-to-line and the zero sequence voltage measurements, and the third one is for the two line-to-line (open delta) and the zero sequence voltage measurement.
  • Page 71 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.2.2 - 71. Example connections for 2LL+U0 (open delta 2LL) voltage measurement. Figure. 5.2.2 - 72. Example connections for 1LL+U0 voltage measurement. If only two line-to-line voltages are measured, the third one is calculated based on the U12 and U23 vectors.
  • Page 72 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.2.2 - 73. Relay behavior when nominal voltage injected during LN voltage measurements. Troubleshooting When the measured voltage values differ from the expected voltage values, the following table offers possible solutions for the problems.
  • Page 73 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Settings Table. 5.2.2 - 25. Settings of the VT scaling. Name Range Step Default Description 0: 3LN 1: 2LL+U0 (3LN) Voltage 2: 2LL+U0 The relay's voltage wiring method. The voltages are scaled according the measurement 0: 3LN (Open delta...
  • Page 74 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Name Range Step Default Description U3 VT scaling A relay feedback value; the calculated scaling factor that is the ratio factor P/S U0/ between the U3 channel's primary and secondary voltages. This setting is only valid if the "2LL+U3"...
  • Page 75 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.2.2 - 30. Primary sequence voltage measurements. Name Unit Range Step Description Primary positive sequence 0.00…1 The primary measurement from the calculated positive voltage 0.01 000000.00 sequence voltage. ("Pos.seq.Volt.pri") Primary negative sequence 0.00…1 The primary measurement from the calculated negative...

  • Page 76: Power And Energy Calculation

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Name Unit Range Step Description System voltage magnitude 0.00…1 The primary RMS zero sequence U0 voltage (measured or 0.01 000000.00 calculated). ("System volt U0 mag") Table. 5.2.2 - 34. Primary system voltage angles. Name Unit Range...
  • Page 77 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Line Line-t -to-ne o-neutral v utral volta oltages a ges av v ailable ailable Power is calculated from line-to-neutral voltages and phase currents. If line-to-line voltages are connected, the relay can calculate line-to-neutral voltages based on the measured zero sequence voltage.
  • Page 78 A A Q Q -C213 -C213 Instruction manual Version: 2.04 The direction of reactive power is divided into four quadrants. Reactive power may be inductive or capacitive on both forward and reverse directions. Reactive power quadrant can be indicated with Tan (φ) (tangent phi), which is calculated according the following formula: Power factor calculation is done similarly to the Cosine phi calculation but the polarity is defined by the reactive power direction.
  • Page 79 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Settings Table. 5.2.3 - 36. Power and energy measurement settings Name Range Step Default Description 3ph active 0: Disabled energy Enables/disables the active energy measurement. 1: Enabled Disabled measurement 3ph reactive 0: Disabled Enables/disables the reactive and apparent energy energy...
  • Page 80 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Name Range Step Default Description Clear pulse 0: - Resets the "DC 1…4 Pulses sent" counters back to 0: - counter 1: Clear zero. DC 1…4 0: Disabled Enables/disables the energy dose counter 1…4 0: Disabled enable 1: Enabled...
  • Page 81 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.2.3 - 40. Single-phase power calculations (L1...L3). Name Unit Range Step Description Lx Apparent power (S) 0.01 The apparent power of Phase Lx in kilo-volt-amperes -1x10 …1x10 Lx Active power (P) 0.01 The active power of Phase Lx in kilowatts -1x10...
  • Page 82 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.2.3 - 42. Single-phase energy calculations (L1...L3). Name Range Step Description Export Active Energy Lx (kWh or MWh) 0.01 The exported active energy of the phase. -1x10 …1x10 Import Active Energy (kWh or MWh) 0.01 The imported active energy of the phase.
  • Page 83 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Name Value Name Value Name Value Name Value L1 (S) L1 (S) 4.08 MVA L2 (S) L2 (S) 6.15 MVA L3 (S) L3 (S) 9.77 MVA 3PH (S) H (S) 20.00 MVA L1 (P) L1 (P)

  • Page 84: Frequency Tracking And Scaling

    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 85 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Problem Check / Resolution The measured current or voltage amplitude is lower The set system frequency may be wrong. Please check that the frequency settings match the than it should be./ local system frequency, or change the measurement mode to "Tracking"...
  • Page 86 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Name Range Step Default Description 0: No track ch Frequency 1: Ref1 Indicates which reference is used at the moment for frequency measurement 2: Ref2 tracking. in use 3: Ref3 0: Start tracking Defines the how the tracking starts.

  • Page 87: Protection Functions

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 5.3 Protection functions 5.3.1 General properties of a protection function The following flowchart describes the basic structure of any protection function. The basic structure is composed of analog measurement values being compared to the pick-up values and operating time characteristics.
  • Page 88 A A Q Q -C213 -C213 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 89 A A Q Q -C213 -C213 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 90 A A Q Q -C213 -C213 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 91 A A Q Q -C213 -C213 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 92 A A Q Q -C213 -C213 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 93 A A Q Q -C213 -C213 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 94 A A Q Q -C213 -C213 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 95: Capacitor Bank Module

    A A Q Q -C213 -C213 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 96 A A Q Q -C213 -C213 Instruction manual Version: 2.04 A capacitor unit is built up of individual capacitor elements connected in parallel, and arranged in groups that are connected in series. The capacitor unit also has an internal discharge resistor that reduces the unit's residual voltage.
  • Page 97 A A Q Q -C213 -C213 Instruction manual Version: 2.04 • It offers a low-impedance path for high-frequency currents, and therefore the bank can be used as a filter in systems with a high harmonic content. • Reduced transient recovery voltages for circuit breakers and other switching equipment. There are, however, some drawbacks to earthed, wye-connected capacitor banks.
  • Page 98 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.2 - 88. Unbalance measurement and natural unbalance compensation. Nat t ural unbalance compensa ural unbalance compensation tion In practice, the unbalance seen by an unbalance relay is the result of losing individual capacitor units (or elements) and of the inherent system and bank unbalances.

  • Page 99: Capacitor Bank Overload Protection (Icol>; 49Ol)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 5.3.2.1 Capacitor bank overload protection (Icol>; 49OL) Capacitor bank overload protection is used for overload alarming and capacitor bank protection. The main difference to the overcurrent protection function is the possibility to freely program the capacitor overload curve to the function by giving the current or time points to the function or the IDMT formula coefficients.
  • Page 100 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.2.1 - 89. Simplified function block diagram of the Icol> function. 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 -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.2.1 - 49. General settings of Icol> function. Name Range Step Default Description 1: RMS Measured 2: TRMS Defines which available measured magnitude is used by the 1: RMS magnitude function.
  • Page 102 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Operating time characteristics for trip and reset This function supports definite time delay (DT) and inverse definite minimum time delay (IDMT) with user-programmable characteristics. Table. 5.3.2.1 - 52. Icol> operating time setting. Name Range Step...

  • Page 103: Capacitor Bank Current Unbalance Protection (Iuc>; 46C)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 The programmable operating curve allows the user to freely program the timing behaviour of the protection stage with current or time points, either with step or two-point interpolated time calculation. When the modelled curve formula is known, it is advisable to use the curve parameters to achieve maximum accuracy.
  • Page 104 A A Q Q -C213 -C213 Instruction manual Version: 2.04 The outputs of the function are the ALARM START, ALARM, START, TRIP, and BLOCKED signals. The capacitor bank current unbalance function uses a total of eight (8) separate setting groups which can be selected from one common source.
  • Page 105 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Pick-up Figure. 5.3.2.2 - 90. Measurement connection of the Iuc> function. The protection function uses a formula which takes the highest measured value of the phase's current, then subtracts from this value the lowest measured value of the phase's current, and finally divides the result with the mean of all phases.
  • Page 106 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.2.2 - 56. 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 107: Non-Directional Overcurrent Protection (I>; 50/51)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.2.2 - 58. Register content. Date and Trigger Fault Prefault Meas TR/ Trip time Event code Meas/AL set Used SG time current current current remaining The ratio The ratio of Start between the Setting...
  • Page 108 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.3 - 91. Simplified function block diagram of the I> function. 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 109 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.3 - 60. General settings of the function. Name Range Step Default Description Setting control from Activating this parameter allows changing the pick-up level of the Disabled comm bus Disabled protection stage via SCADA.
  • Page 110 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Name Range Step Description Displays the expected operating time when a fault occurs. When IDMT mode Expected is used, the expected operating time depends on the measured highest phase operating -1800.000...1800.000s 0.005s current value.
  • Page 111 A A Q Q -C213 -C213 Instruction manual Version: 2.04 The events triggered by the function are recorded with a time stamp and with process data values. Table. 5.3.3 - 64. Event codes. Event number Event channel Event block name Event code Description 1280...
  • Page 112 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 1408 NOC3 Start ON 1409 NOC3 Start OFF 1410 NOC3 Trip ON 1411 NOC3 Trip OFF 1412 NOC3 Block ON 1413 NOC3 Block OFF...

  • Page 113: Non-Directional Earth Fault Protection (I0>; 50N/51N)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 The function registers its operation into the last twelve (12) time-stamped registers; this information is available for all provided instances separately. The register of the function records the ON event process data for START, TRIP or BLOCKED.
  • Page 114 A A Q Q -C213 -C213 Instruction manual Version: 2.04 The following figure presents a simplified function block diagram of the non-directional earth fault function. Figure. 5.3.4 - 92. 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.
  • Page 115 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.4 - 67. General settings of the function. Name Description Range Default Setting control Activating this parameter permits changing the pick-up level of the protection stage Disabled from comm bus via SCADA.
  • Page 116 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Name Range Step Description Displays the expected operating time when a fault occurs. When IDMT mode is Expected -1800.000...1800.000 0.005 used, the expected operating time depends on the measured current value. If operating the measured current changes during a fault, the expected operating time time...
  • Page 117 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.4 - 71. Event codes. Event number Event channel Event block name Event code Description 1664 NEF1 Start ON 1665 NEF1 Start OFF 1666 NEF1 Trip ON 1667 NEF1 Trip OFF 1668 NEF1...

  • Page 118: Negative Sequence Overcurrent/ Phase Current Reversal/ Current Unbalance Protection (I2>; 46/46R/46L)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 5.3.5 Negative sequence overcurrent/ phase current reversal/ current unbalance protection (I2>; 46/46R/46L) The current unbalance function is used for instant and time-delayed unbalanced network protection and for detecting broken conductors. The number of stages in the function depends on the relay model.
  • Page 119 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.5 - 93. Simplified function block diagram of the I2> function. Measured input The function block uses analog current measurement values and always uses calculated positive and negative sequence currents. In the broken conductor mode (I2/I1) the function also uses the RMS values of all phase currents to check the minimum current.
  • Page 120 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Pick-up The setting parameters I2 and I2/I1 control the the pick-up of the I2> function. They define the maximum allowed measured negative sequence current or the negative/positive sequence current ratio before action from the function.
  • Page 121 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Operating time characteristics for trip and reset The operating timers’ behavior during a function can be set for TRIP signal and also for the release of the function in case the pick-up element is reset before the trip time has been reached. There are three basic operating modes available for the function: •...
  • Page 122 A A Q Q -C213 -C213 Instruction manual Version: 2.04 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 123: Harmonic Overcurrent Protection (Ih>; 50H/51H/68H)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Event Number Event channel Event block name Event Code Description 2245 CUB4 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 124 A A Q Q -C213 -C213 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 125 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.6 - 78. Measurement inputs of the Ih> function. Signal Description Time base The magnitudes (RMS) of phase L1 (A) current components: - Fundamental harmonic harmonic harmonic harmonic harmonic IL1FFT 5 ms harmonic...
  • Page 126 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Signal Description Time base The magnitudes (RMS) of residual I0 current components: - Fundamental harmonic harmonic harmonic harmonic harmonic I01FFT 5 ms harmonic harmonic - 11 harmonic - 13 harmonic - 15 harmonic - 17...
  • Page 127 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.6 - 79. Operating mode selection settings. Name Range Step Default Description harmonic harmonic harmonic harmonic harmonic Harmonic harmonic Selection of the monitored harmonic component. selection harmonic harmonic harmonic harmonic harmonic harmonic...
  • Page 128 A A Q Q -C213 -C213 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 129 A A Q Q -C213 -C213 Instruction manual Version: 2.04 The events triggered by the function are recorded with a time stamp and with process data values. Table. 5.3.6 - 82. Event codes. Event number Event channel Event block name Event code Description 2368...

  • Page 130: Circuit Breaker Failure Protection (Cbfp; 50Bf/52Bf)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 5.3.7 Circuit breaker failure protection (CBFP; 50BF/52BF) The circuit breaker failure protection function is used for monitoring the circuit breaker operation after it has received a TRIP signal. The function can also be used to retrip a failing breaker; if the retrip fails, an incomer breaker can be tripped by using the function's CBFP output.
  • Page 131 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.7 - 96. Simplified function block diagram of the CBFP function. Measured input The function block uses analog current measurement values. It always uses the RMS magnitude of the current measurement input.
  • Page 132 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.7 - 85. CBFP monitoring signal definitions. Name Description Signal Defines which TRIP events of the used protection functions trigger the CBFP countdown. For the CBFP function to monitor the signals selected here, the "Operation mode selection" parameter must be set to a mode that includes monitor signals (e.g.
  • Page 133 A A Q Q -C213 -C213 Instruction manual Version: 2.04 The pick-up activation of the function is not directly equal to the START signal generation of the function. The START signal is allowed if the blocking condition is not active. There is no delay between the activation of the monitored signal and the activation of the pick-up when using binary signals.
  • Page 134 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Trip, Retrip and CBFP in the device configuration Figure. 5.3.7 - 97. 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 135 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.7 - 98. 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 136 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.7 - 99. 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 137 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.7 - 100. 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 138 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Trip and CBFP in the device configuration Figure. 5.3.7 - 101. 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 139 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.7 - 102. 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 140 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.7 - 103. 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 141 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.7 - 104. 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 142 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Device configuration as a dedicated CBFP unit Figure. 5.3.7 - 105. Wiring diagram when the device is configured as a dedicated CBFP unit.
  • Page 143 A A Q Q -C213 -C213 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 144: Overvoltage Protection (U>; 59)

    A A Q Q -C213 -C213 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 145 A A Q Q -C213 -C213 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 the START, TRIP and BLOCKED signals which can be used for direct I/O controlling and user logic programming.
  • Page 146 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Pick-up The U setting parameter controls the pick-up of the U> function. This defines the maximum allowed measured voltage before action from the function. The function constantly calculates the ratio between the U and the measured magnitude ( U ) for each of the three voltages.
  • Page 147 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.8 - 93. Information displayed by the function. Name Range Step Description The primary voltage required for tripping. The displayed pick-up voltage U< pick- 0.0...1 000 000.0 V 0.1 V level depends on the pick-up setting and the voltage transformer up setting settings.
  • Page 148 A A Q Q -C213 -C213 Instruction manual Version: 2.04 • Instant operation: gives the TRIP signal with no additional time delay simultaneously with the START signal. • Definite time operation (DT): gives the TRIP signal after a user-defined time delay regardless of the measured voltage as long as the voltage is above the U value and thus the pick-up element is active (independent time characteristics).
  • Page 149 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.8 - 94. Event codes. Event number Event channel Event block name Event code Description 5440 Start ON 5441 Start OFF 5442 Trip ON 5443 Trip OFF 5444 Block ON 5445 Block OFF 5504...

  • Page 150: Undervoltage Protection (U<; 27)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 5.3.9 Undervoltage protection (U<; 27) The undervoltage function is used for instant and time-delayed undervoltage protection. Each device with a voltage protection module has four (4) available stages of the function (U>, U>>, U>>>, U>>>>).
  • Page 151 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.9 - 108. Simplified function block diagram of the U< function. Measured input The function block uses analog voltage measurement values. The monitored magnitudes are equal to RMS values. A -20 ms averaged value of the selected magnitude is used for pre-fault data registering.
  • Page 152 A A Q Q -C213 -C213 Instruction manual Version: 2.04 The pick-up activation of the function is not directly equal to the START signal generation of the function. The START signal is allowed if the blocking condition is not active. Using Block setting to prevent nuisance trips It is recommended to use the Block setting parameter to prevent the relay from tripping in a situation where the network is de-energized.
  • Page 153 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Name Range Step Description B(c) meas 0.00...1250.00U 0.01U The ratio between U or U voltage and the pick-up value. at the moment C(A) meas 0.00...1250.00U 0.01U The ratio between U or U voltage and the pick-up value.
  • Page 154 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Where: • t = operating time • k = time dial setting • U = measured voltage • U = pick-up setting • a = IDMT multiplier setting The following table presents the setting parameters for the function's time characteristics. Table.
  • Page 155 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Events and registers The undervoltage function (abbreviated "UV" 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 156: Neutral Overvoltage Protection (U0>; 59N)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 5895 Undervoltage Block OFF The function registers its operation into the last twelve (12) time-stamped registers; this information is available for all provided instances separately. The register of the function records the ON event process data for START, TRIP or BLOCKED.
  • Page 157 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.10 - 111. Earth fault in isolated network. Figure. 5.3.10 - 112. 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.
  • Page 158 A A Q Q -C213 -C213 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 159 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.10 - 104. Pick-up settings. Name Description Range Step Default 0.01%U 20.00%U 1.00…99.00%U Pick-up setting U0set> Pick-up setting The pick-up activation of the function is not directly equal to the START signal generation of the function.
  • Page 160 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Operating time characteristics for trip and reset The operating timers’ behavior during a function can be set for TRIP signal and also for the release of the function in case the pick-up element is reset before the trip time has been reached. There are three basic operating modes available for the function: •...
  • Page 161 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Name Range Step Default Description Delayed Resetting characteristics selection either as time-delayed or as instant 1: No 2: Yes pick-up after the pick-up element is released. If activated, the START signal is 2: Yes release reset after a set release time delay.

  • Page 162: Sequence Voltage Protection (U1/U2>/<; 47/27P/59Pn)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Event number Event channel Event block name Event code Description 6084 NOV3 Block ON 6085 NOV3 Block OFF 6144 NOV4 Start ON 6145 NOV4 Start OFF 6146 NOV4 Trip ON 6147 NOV4 Trip OFF...
  • Page 163 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.11 - 114. Normal situation. Figure. 5.3.11 - 115. Earth fault in an isolated network. Figure. 5.3.11 - 116. 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 164 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.11 - 117. Normal situation. Figure. 5.3.11 - 118. Earth fault in isolated network. Figure. 5.3.11 - 119. 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 165 A A Q Q -C213 -C213 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 166 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.11 - 110. 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 167 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.11 - 121. 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 168 A A Q Q -C213 -C213 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 169 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.11 - 114. 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 170: Non-Directional Undercurrent Protection (I<; 37)

    A A Q Q -C213 -C213 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 171 A A Q Q -C213 -C213 Instruction manual Version: 2.04 The following figure presents a simplified function block diagram of the undercurrent function. Figure. 5.3.12 - 122. Simplified function block diagram of the I< function. Measured input The function block uses analog current measurement values and uses RMS phase current measurements.
  • Page 172 A A Q Q -C213 -C213 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 173: Line Thermal Overload Protection (Tf>; 49F)

    A A Q Q -C213 -C213 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 174 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.13 - 123. Example of thermal image calculation with nominal conditions. The described behavior is based on the assumption that the monitored object (whether a cable, a line or an electrical device) has a homogenous body which generates and dissipates heat with a rate proportional to the temperature rise caused by the current squared.
  • Page 175 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Where: • t = Measured (or set) ambient temperature (can be set in ̊ C or in ̊ F ) • t = Maximum temperature (can be set in ̊ C or in ̊ F ) for the protected object •...
  • Page 176 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.13 - 125. Example of the relationship between ground temperature and correction factor. The temperature coefficient may be informed in a similar manner to the figure above in a datasheet provided by the manufacturer.
  • Page 177 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.13 - 127. Set correction curve for ambient temperature. The correction curve for ambient temperature is shown in the figure above. The reference temperature for underground cables is usually +15 ̊ C which gives a correction factor of 1.00 (in this case also the nominal temerature).
  • Page 178 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.13 - 128. Example of a high-voltage cable datasheet. The datasheet shows the currents which in a combination with a specific installation and a specific construction method achieve a specific conductor temperature in give standard conditions (e.g. a copper conductor reaches a temperature of 90 °C when, for example, it has a continuous current- carrying capacity of 815 A, an open screen circuit, and is laid in a trefoil formation in soil whose temperature is 15 °C).
  • Page 179 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.13 - 129. General presumptions of high-voltage cables. If the installation conditions vary from the presumed conditions manufacturers may give additional information on how to correct the the current-carrying capacity to match the changed conditions. Below is an example of the correction factors provided a manufacturer (Prysmian) for correcting the current-carrying capacity.
  • Page 180 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.13 - 130. Example of correction factors for the current-carrying capacity as given by a manufacturer.
  • Page 181 A A Q Q -C213 -C213 Instruction manual Version: 2.04 To demonstrate the importance of the k (service factor, current-carrying capacity), let us calculate a cable installation with the correct k factor but without setting it to correct value. First we read the initial data for the setup of the thermal image: A 66 kV copper cable with a cross-section of 500 mm is installed into ground.
  • Page 182 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.13 - 131. Thermal image response with nominal load (installation according to presumptions). As the results show, the end temperature of 68.39 ̊ C is reached when the cable is loaded with a stable current for time equalling five times the time constant τ.
  • Page 183 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.13 - 132. Thermal image response with maximum load (installation according presumptions). The maximum allowed load results in the end temperature of 89.68 ̊ C which means that 99.57 % of the thermal capacity is used.
  • Page 184 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Therefore, the settings are as follows: • I = 680 A • T = 90 ̊ C • T = 15 ̊ C • T = 15 ̊ C • τ = 183.8 min •...
  • Page 185 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.13 - 134. Thermal response with k factor correctly set. When the installation conditions vary from the presumptive conditions, the cable's current-carrying capacity can be reduced so that the temperature of 90 ̊ C is achieved with a 550 A current instead of the 680 A current given in the initial data.
  • Page 186 A A Q Q -C213 -C213 Instruction manual Version: 2.04 θ = (I meas Where: • I = the measured current meas • I = the calculated effective nominal current Calcula Calculat t ed time constant: ed time constant: (-0.005[s]×(Tc[min]×60)[s]) τ=e Where: •...
  • Page 187 A A Q Q -C213 -C213 Instruction manual Version: 2.04 • 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 signal.
  • Page 188 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.13 - 124. Settings for thermal replica. Name Range Step Default Description IN thermal The current for the 100 % thermal capacity to be used (the pick-up 0.01xI 1.00xI 0.10…40.00xI current in p.u., with t achieved in time τ...
  • Page 189 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Name Range Step Default Description The temperature reference setting. The manufacturer's temperature Temp. presumptions apply and the thermal correction factor is 1.00 (rated reference temperature). For underground cables the set value for this is usually -60…500deg 1deg 15deg...
  • Page 190 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Name Range Step Default Description Enable TF> 0: Disabled Disabled Enabling/disabling the ALARM 1 signal and the I/O. Rest 1: Enabled Inhibit TF> Inhibit 0.0…150.0% 0.1% INHIBIT activation threshold. level Enable 0: Disabled Disabled Enabling/disabling the ALARM 1 signal and the I/O.
  • Page 191 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Name Range Description 0: Light / No load The function's thermal image status. When the measured current is below 1 % of the nominal 1: High current, the status "Light/No load" is shown. When the measured current is below the trip limit, Thermal overload the status "Load normal"...
  • Page 192 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Name Range Description/values - TF> Trip delay remaining: the time to reach 100% theta - TF> Trip time to rel.: the time to reach theta while staying below the trip limit during cooling - TF>...

  • Page 193: Arc Fault Protection (Iarc>/I0Arc>; 50Arc/50Narc)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Name Description Event code 4288-4297 Descr. Time to reach 100 % theta seconds Ref. T current Active meas. current T at a given moment Max. temp. rise allowed degrees Temp. rise at a given moment degrees Hot spot estimate degrees...
  • Page 194 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 195 A A Q Q -C213 -C213 Instruction manual Version: 2.04 • input magnitude selection • input magnitude processing • threshold comparator • two block signal checks • output processing. The inputs for the function are the following: • operating mode selections •...
  • Page 196 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.14 - 137. 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 197 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.3.14 - 138. 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 198 A A Q Q -C213 -C213 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 199 A A Q Q -C213 -C213 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 200 A A Q Q -C213 -C213 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 201 A A Q Q -C213 -C213 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 202: Programmable Stage (Pgx>/<; 99)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.3.14 - 137. 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 203 A A Q Q -C213 -C213 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 204 A A Q Q -C213 -C213 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 205 A A Q Q -C213 -C213 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 206 A A Q Q -C213 -C213 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 207 A A Q Q -C213 -C213 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 208 A A Q Q -C213 -C213 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 209 A A Q Q -C213 -C213 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 210 A A Q Q -C213 -C213 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 211 A A Q Q -C213 -C213 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 212 A A Q Q -C213 -C213 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 213 A A Q Q -C213 -C213 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 214 A A Q Q -C213 -C213 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 215 A A Q Q -C213 -C213 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 216: Voltage Memory

    A A Q Q -C213 -C213 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 217 A A Q Q -C213 -C213 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 218 A A Q Q -C213 -C213 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 219: Control Functions

    A A Q Q -C213 -C213 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 220 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.4.1 - 142. 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 221 A A Q Q -C213 -C213 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 222 A A Q Q -C213 -C213 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 223 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.4.1 - 144. 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 224 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.4.1 - 145. Setting group control – two-wire connection from Petersen coil status.
  • Page 225 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.4.1 - 146. 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 226 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.4.1 - 147. 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 227 A A Q Q -C213 -C213 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 228: Object Control And Monitoring

    A A Q Q -C213 -C213 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 229 A A Q Q -C213 -C213 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 230 A A Q Q -C213 -C213 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 231 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.4.2 - 148. 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 232 A A Q Q -C213 -C213 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 233 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.4.2 - 149. 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 234 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.4.2 - 151. 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 235 A A Q Q -C213 -C213 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 236 A A Q Q -C213 -C213 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 237 A A Q Q -C213 -C213 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 238: Indicator Object Monitoring

    A A Q Q -C213 -C213 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 239: Switch-On-To-Fault (Sotf)

    A A Q Q -C213 -C213 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 240 A A Q Q -C213 -C213 Instruction manual Version: 2.04 • initiating • blocking • setting group selection • function trigger inputs. The function can be initiated by a digital input, or by a circuit breaker "Close" command connected to the "...
  • Page 241 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.4.4 - 157. Active settings. Name Range Step Default Description Release time for SOTF 0.000…1800.000s 0.005s 1.000s The time the function is active after triggering. 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 242: Milliampere Output Control

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.4.4 - 160. Register content. Date and time Event code SOTF remaining time SOTF been active time dd.mm.yyyy 3904...3911 The time remaining of the set release The time the function has been hh:mm:ss.mss Descr.
  • Page 243 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.4.5 - 162. 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 244: Programmable Control Switch

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.4.5 - 164. 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 245: Analog Input Scaling Curves

    A A Q Q -C213 -C213 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 246 A A Q Q -C213 -C213 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 247: Logical Outputs

    A A Q Q -C213 -C213 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 248: Logical Inputs

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.4.8 - 153. 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 249: Monitoring Functions

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.4.9 - 155. 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 250 A A Q Q -C213 -C213 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 251 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.5.1 - 157. 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 252 A A Q Q -C213 -C213 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 253 A A Q Q -C213 -C213 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 254 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.5.1 - 158. All works properly, no faults. Figure. 5.5.1 - 159. 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 255 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.5.1 - 160. 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 256 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.5.1 - 162. 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 257 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.5.1 - 164. 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 258 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.5.1 - 166. 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 259: Voltage Transformer Supervision (60)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.5.1 - 173. 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 260 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.5.2 - 168. 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 261 A A Q Q -C213 -C213 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 262 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.5.2 - 176. 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 263: Total Harmonic Distortion (Thd)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.5.2 - 177. 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 264 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.5.3 - 169. 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 265 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.5.3 - 170. 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 266 A A Q Q -C213 -C213 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 267 A A Q Q -C213 -C213 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 268: Disturbance Recorder (Dr)

    A A Q Q -C213 -C213 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 269 A A Q Q -C213 -C213 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 270 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.5.4 - 188. 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 271 A A Q Q -C213 -C213 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 272 A A Q Q -C213 -C213 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 273 A A Q Q -C213 -C213 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 274 A A Q Q -C213 -C213 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 275 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 276 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.5.4 - 171. Disturbance recorder settings. Figure. 5.5.4 - 172. 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 277 A A Q Q -C213 -C213 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 278 A A Q Q -C213 -C213 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 279: Measurement Recorder

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 5.5.5 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 280 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 5.5.5 - 174. Measurement recorder values viewed with AQtivate PRO. Table. 5.5.5 - 194. 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 281 A A Q Q -C213 -C213 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 282 A A Q Q -C213 -C213 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 283: Measurement Value Recorder

    A A Q Q -C213 -C213 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 284 A A Q Q -C213 -C213 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 285 A A Q Q -C213 -C213 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 286 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 5.5.6 - 195. 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 287 A A Q Q -C213 -C213 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 288: Sy Y St Stem Int 6 S Em Integra Egration Tion

    A A Q Q -C213 -C213 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 289: Modbus/Tcp And Modbus/Rtu

    A A Q Q -C213 -C213 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 290: 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 291 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 292: 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 293: 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 294 A A Q Q -C213 -C213 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 295: 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 296 A A Q Q -C213 -C213 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 297: Spa

    A A Q Q -C213 -C213 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 298 A A Q Q -C213 -C213 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 299 A A Q Q -C213 -C213 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 300: Connections Of Aq-C213

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 7 Connections and application examples 7.1 Connections of AQ-C213 Figure. 7.1 - 175. The AQ-C213 variant without add-on modules.
  • Page 301 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 7.1 - 176. The AQ-C213 variant with digital input and output modules.

  • Page 302: Application Example And Its Connections

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 7.1 - 177. AQ-C213 application example with function block diagram. AQ-C213 Device I/O Add-on 3 voltage 3 (IL) 3 slots channels 2 (I0) Protection functions Current-based I> I0> I2>...

  • Page 303: Two-Phase, Three-Wire Aron Input Connection

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 7.2 - 178. Application example and its connections. 7.3 Two-phase, three-wire ARON input connection This chapter presents the two-phase, three-wire ARON input connection for any AQ-200 series IED with a current transformer. The example is for applications with protection CTs for just two phases. The connection is suitable for both motor and feeder applications.

  • Page 304: Trip Circuit Supervision (95)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 7.3 - 179. ARON connection. The ARON input connection can measure the load symmetrically despite the fact that one of the CTs is missing from the installation. Normally, Phase 2 does not have a current transformer installed as an external fault is much more likely to appear on Lines 1 or 3.
  • Page 305 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 7.4 - 180. 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 306 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 7.4 - 182. 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 307 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 7.4 - 183. 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 308 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 7.4 - 184. Example block scheme.

  • Page 309: 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 310 A A Q Q -C213 -C213 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, Slot F. This means that the digital input channels DI1 and DI2 as well as the digital output channels OUT1, OUT2, OUT3, OUT4 and OUT5 are always located in the CPU module.
  • Page 311 A A Q Q -C213 -C213 Instruction manual Version: 2.04 5. Scan Scans Slot D and finds the five channels of the CT module (fixed for AQ-X213). 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 312: Cpu Module

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 8.2 CPU module Figure. 8.2 - 187. CPU module. Table. 8.2 - 216. Module connectors. Connector Description Communication port A, or the RJ-45 port. Used for setting tool connection and for IEC 61850, Modbus/TCP, COM A: IEC 104, DNP3 and station bus communications.
  • Page 313 A A Q Q -C213 -C213 Instruction manual Version: 2.04 By default, the CPU module (combining the CPU, the I/O and the power supply) includes two standard communication ports and the relay's basic digital I/O. The current consumption of the digital inputs is 2 mA when activated, while the range of the operating voltage is 24 V/110 V/220 V depending on the ordered hardware.

  • Page 314: Current Measurement Module

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 8.3 Current measurement module Figure. 8.3 - 188. 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 315: Voltage Measurement Module

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 8.4 Voltage measurement module Figure. 8.4 - 189. Voltage measurement module. Connector Description X 1-2-3 Configurable voltage measurement inputs U1 and U2. X 4-5 Configurable voltage measurement input U3. Digital input 3 Digital input 4 Digital input 5 Digital input 6...

  • Page 316: Digital Input Module (Optional)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 8.5 Digital input module (optional) Figure. 8.5 - 190. 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 317 A A Q Q -C213 -C213 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 318: Digital Output Module (Optional)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 8.5 - 191. 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 319: Arc Protection Module (Optional)

    A A Q Q -C213 -C213 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 320: Rtd Input Module (Optional)

    A A Q Q -C213 -C213 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 321: Serial Rs-232 Communication Module (Optional)

    A A Q Q -C213 -C213 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 322 A A Q Q -C213 -C213 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 323: Lc 100 Mbps Ethernet Communication Module (Optional)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 8.10 LC 100 Mbps Ethernet communication module (optional) Figure. 8.10 - 197. 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 324: Double St 100 Mbps Ethernet Communication Module (Optional)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 8.11 Double ST 100 Mbps Ethernet communication module (optional) Figure. 8.11 - 198. Double ST 100 Mbps Ethernet communication module connectors. Connector Description • IRIG-B input Two-pin connector • Duplex ST connectors (IRIG-B input) •...
  • Page 325 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 8.11 - 199. Example of a ring configuration. Figure. 8.11 - 200. Example of a multidrop configuration.

  • Page 326: Double Rj-45 10/100 Mbps Ethernet Communication Module (Optional)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 8.12 Double RJ-45 10/100 Mbps Ethernet communication module (optional) Figure. 8.12 - 201. Double RJ-45 10/100 Mbps Ethernet communication module. Connector Description • IRIG-B input Two-pin connector • Two Ethernet ports •...
  • Page 327 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 8.12 - 202. Example of a ring configuration. Figure. 8.12 - 203. Example of a multidrop configuration.

  • Page 328: Milliampere (Ma) I/O Module (Optional)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 8.13 Milliampere (mA) I/O module (optional) Figure. 8.13 - 204. 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 329 A A Q Q -C213 -C213 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 - 205. Device dimensions. Figure. 8.14 - 206. Device installation.
  • Page 330 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Figure. 8.14 - 207. Panel cutout dimensions and device spacing.

  • Page 331: Technic Echnical Da Al Data Ta

    A A Q Q -C213 -C213 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 - 221. 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 332: Voltage Measurement

    A A Q Q -C213 -C213 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 333: Power And Energy Measurement

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Angle measurement inaccuracy < ±1.0 degrees Terminal block connection Terminal block Phoenix Contact MSTB 2,5/5-ST-5,08 Solid or stranded wire 4 mm Maximum wire diameter Burden (50/60 Hz) <0.02 VA 300 V (continuous) Thermal withstand 9.1.1.3 Power and energy measurement...

  • Page 334: Cpu Communication Ports

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Table. 9.1.2.1 - 226. Power supply model B Rated values Rated auxiliary voltage 18…72 VDC < 7 W Power consumption < 15 W Maximum permitted interrupt time < 90 ms with 24 VDC DC ripple <...

  • Page 335: Cpu Digital Inputs

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Port media Copper RS-485 Number of ports Features Modbus/RTU IEC 103 Port protocols IEC 101 DNP3 Data transfer rate 65 580 kB/s System integration Can be used for system protocols 9.1.2.3 CPU digital inputs Table.

  • Page 336: Option Cards

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Polarity Software settable: Normally On/Normally Off Terminal block connection Terminal block Phoenix Contact MSTB 2,5/5-ST-5,08 Solid or stranded wire Maximum wire diameter 2.5 mm Table. 9.1.2.4 - 232. Digital outputs (Change-Over) Rated values Rated auxiliary voltage 265 V (AC/DC)

  • Page 337: Digital Output Module

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 9.1.3.2 Digital output module Table. 9.1.3.2 - 234. Technical data for the digital output module. 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...

  • Page 338: Milliampere Module (Ma Out & Ma In)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Terminal block Phoenix Contact MSTB 2,5/5-ST-5,08 Solid or stranded wire 2.5 mm Maximum wire diameter Table. 9.1.3.3 - 237. Binary input channel Rated values Voltage withstand 265 VDC Rated auxiliary voltage 24 VDC Pick-up threshold ≥16 VDC...

  • Page 339: Rtd Input Module

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 9.1.3.5 RTD input module Table. 9.1.3.5 - 239. Technical data for the RTD input module. Channels 1-8 2/3/4-wire RTD and thermocouple sensors Pt100 or Pt1000 Type K, Type J, Type T and Type S Channels 7 &...

  • Page 340: Functions

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 9.2 Functions 9.2.1 Protection functions 9.2.1.1 Non-directional overcurrent protection (I>; 50/51) Table. 9.2.1.1 - 243. Technical data for the non-directional overcurrent function. Measurement inputs Current inputs Phase current inputs: I (A), I (B), I RMS phase currents...

  • Page 341: Non-Directional Earth Fault Protection (I0>; 50N/51N)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 9.2.1.2 Non-directional earth fault protection (I0>; 50N/51N) Table. 9.2.1.2 - 244. Technical data for the non-directional earth fault function. Measurement inputs Residual current channel I (Coarse) Residual current channel I (Fine) Current input (selectable) Calculated residual current: I...

  • Page 342: Negative Sequence Overcurrent/ Phase Current Reversal/ Current Unbalance Protection (I2>; 46/46R/46L)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 9.2.1.3 Negative sequence overcurrent/ phase current reversal/ current unbalance protection (I2>; 46/46R/46L) Table. 9.2.1.3 - 245. Technical data for the current unbalance function. Measurement inputs Phase current inputs: I (A), I (B), I Current inputs Positive sequence current (I1)

  • Page 343: Circuit Breaker Failure Protection (Cbfp; 50Bf/52Bf)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Harmonic per unit (× I Used magnitude Harmonic relative (Ih/IL) 0.05…2.00 × I , setting step 0.01 × I (× I Pick-up setting 5.00…200.00 %, setting step 0.01 % (Ih/IL) Inaccuracy: <0.03 ×...

  • Page 344: Overvoltage Protection (U>; 59)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Monitored signals Digital input status, digital output status, logical signals Pick-up current setting: 0.10…40.00 × I , setting step 0.01 × I - IL1…IL3 - I01, I02, I0Calc 0.005…40.00 × I , setting step 0.005 ×...

  • Page 345: Undervoltage Protection (U<; 27)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Reset time setting 0.010…10.000 s, step 0.005 s Inaccuracy: Reset time ±1.0 % or ±35 ms Instant reset time and start-up reset <50 ms 9.2.1.7 Undervoltage protection (U<; 27) Table. 9.2.1.7 - 249. Technical data for the undervoltage function. Input signals Voltage inputs Voltage input magnitudes...

  • Page 346: Neutral Overvoltage Protection (U0>; 59N)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 • After the low voltage blocking condition, the undervoltage stage does not trip unless the voltage exceeds the pick-up setting first. 9.2.1.8 Neutral overvoltage protection (U0>; 59N) Table. 9.2.1.8 - 250. Technical data for the neutral overvoltage. Measurement inputs Residual voltage from U3 voltage channel Voltage inputs (selectable)

  • Page 347: Overfrequency And Underfrequency Protection (F>/<; 81O/81U)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Low voltage block Pick-up setting 1.00…80.00 %U , setting step 0.01 %U Inaccuracy: ±1.5 %U or ±30 mV -Voltage Operation time Definite time function operating time setting 0.00…1800.00 s, setting step 0.005 s Inaccuracy -Definite Time (U ratio 1.05→)

  • Page 348: Line Thermal Overload Protection (Tf>; 49F)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Reset Reset ratio 0.020 Hz Instant reset time and start-up reset: ratio +/- 50 mHz (Fixed) <110 ms (max. step size: 100 mHz) ratio +/- 50 mHz (Tracking) <3 cycles or <70 ms (max. step size: 100 mHz) Not t e! e! •...

  • Page 349: Non-Directional Undercurrent Protection (I<; 37)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Pick-up P> 0.10…150 000.00 kW, setting step 0.01 kW Prev> -15 000.00…-1.00 kW, setting step 0.01 kW P< 0.00…150 000.00 kW, setting step 0.01 kW Low-power blocking P < 0.00…100 000.00 kW, setting step 0.01 kW Inaccuracy: Typically <3.0 %P - Active power...

  • Page 350: Arc Fault Protection (Iarc>/I0Arc>; 50Arc/50Narc) (Optional)

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Reset ratio 103 % of the pick-up current setting Reset time setting 0.010…150.000 s, step 0.005 s Inaccuracy: Reset time ±1.0 % or ±35 ms Instant reset time and start-up reset <50 ms 9.2.1.14 Arc fault protection (IArc>/I0Arc>;...

  • Page 351: Object Control And Monitoring

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Control mode Local Any digital signal available in the device Remote Force change overrule of local controls either from the setting tool, HMI or SCADA Operation time Reaction time <5 ms from receiving the control signal 9.2.2.2 Object control and monitoring Table.

  • Page 352: Monitoring Functions

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 9.2.3 Monitoring functions 9.2.3.1 Current transformer supervision Table. 9.2.3.1 - 260. Technical data for the current transformer supervision function. Measurement inputs Phase current inputs: I (A), I (B), I Current inputs Residual current channel I (Coarse) (optional) Residual current channel I...

  • Page 353: Circuit Breaker Wear Monitoring

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Definite time function operating time setting 0.00…1800.00 s, setting step 0.005 s Inaccuracy: - Definite time (U ratio > 1.05/0.95) ±1.0 % or ±35 ms Instant operation time (alarm): ratio > 1.05/0.95 <50 ms VTS MCB trip bus/line (external input) <50 ms...

  • Page 354: Disturbance Recorder

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 Definite time function operating time setting for all 0.00…1800.00 s, setting step 0.005 s timers Inaccuracy: - Definite time operating time ±0.5 % or ±10 ms - Instant operating time, when I ratio >...
  • Page 355 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Surge: Between wires 2 kV, 1.2/50 µs EN 60255-26, IEC 61000-4-5 Between wire and earth 4 kV, 1.2/50 µs Radiated RF electromagnetic field: f = 80….1 000 MHz, 10 V/m EN 60255-26, IEC 61000-4-3 Conducted RF field: f = 150 kHz….80 MHz, 10 V (RMS)
  • Page 356 A A Q Q -C213 -C213 Instruction manual Version: 2.04 Overvoltage category Pollution degree Casing and package Table. 9.3 - 270. Dimensions and weight. Without packaging (net) Height: 117 mm (4U) Dimensions Width: 127 mm (¼ rack) Depth: 174 mm (no cards & connectors) Weight 1.5 kg With packaging (gross)

  • Page 357: Ordering Inf Dering Informa Ormation Tion

    A A Q Q -C213 -C213 Instruction manual Version: 2.04 10 Ordering information Accessories Order code der code Descrip Description tion Not t e e Manufact Manufactur urer er External 6-channel 2 or 3 wires RTD Input module, pre- Requires an external power Advanced Co.
  • Page 358 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 359: Contact And R Ence Informa Ormation Tion

    A A Q Q -C213 -C213 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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