Download
Share
Print this page
  1. Manuals
  2. Brands
  3. ensto Manuals
  4. Protection Device
  5. Arcteq AQ-C215
  6. Instruction manual

ensto Arcteq AQ-C215 Instruction Manual

Capacitor bank protection device
Hide thumbs

Advertisement

Quick Links

Download this manual
AQ-C215
Capacitor bank protection device
Instruction manual

Advertisement

loading

Related Manuals for ensto Arcteq AQ-C215

Summary of Contents for ensto Arcteq AQ-C215

  • Page 1 AQ-C215 Capacitor bank protection device Instruction manual...
  • Page 2 A A Q Q -C215 -C215 Instruction manual Version: 2.12 Table of contents 1 Document inf 1 Document informa ormation tion ..............................................5 5 1.1 Version 2 revision notes ......................5 1.2 Safety information ........................8 1.3 Abbreviations......................... 8 2 General 2 General............................
  • Page 3 A A Q Q -C215 -C215 Instruction manual Version: 2.12 4.5.8 Analog input scaling curves ..................244 4.5.9 Logical outputs......................247 4.5.10 Logical inputs ......................248 4.6 Monitoring functions ......................250 4.6.1 Current transformer supervision ................250 4.6.2 Voltage transformer supervision (60) ............... 259 4.6.3 Current total harmonic distortion (THD) ..............
  • Page 4 A A Q Q -C215 -C215 Instruction manual Version: 2.12 8.1.2 CPU & Power supply ....................344 8.1.2.1 Auxiliary voltage..................344 8.1.2.2 CPU communication ports................345 8.1.2.3 CPU digital inputs ..................346 8.1.2.4 CPU digital outputs..................346 8.1.3 Option cards ......................347 8.1.3.1 Digital input module ..................
  • Page 5 A A Q Q -C215 -C215 Instruction manual Version: 2.12 Disclaimer Please read these instructions carefully before using the equipment or taking any other actions with respect to the equipment. Only trained and qualified persons are allowed to perform installation, operation, service or maintenance of the equipment.
  • Page 6 A A Q Q -C215 -C215 1 Document information Instruction manual Version: 2.12 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 7 A A Q Q -C215 -C215 1 Document information Instruction manual Version: 2.12 - C215 order code updated to include the option for conformal coating. - Icol> function's Operating time settings updated. - Terminology consistency improved (e.g. binary inputs are now always called digital inputs). - Tech data modified to be more informative about what type of measurement inputs are used (phase currents/voltages, residual currents/voltages), what component of that measurement is available (RMS, TRMS, peak-to-peak) and possible calculated...
  • Page 8 A A Q Q -C215 -C215 1 Document information Instruction manual Version: 2.12 Revision 2.06 Date 21.6.2022 - Improved descriptions generally in many chapters. - Improved readability of a lot of drawings and images. - Order codes have been revised. - Added new trip detections and fault types to measurement value recorder.
  • Page 9 A A Q Q -C215 -C215 1 Document information Instruction manual Version: 2.12 - Added the 5 ms update time in the measurement chapters. - Added spring lock cage options for connectors. See the "Ordering information" chapter. Changes - Updated the contact address for technical support in the "Contact and reference information"...
  • Page 10 A A Q Q -C215 -C215 1 Document information Instruction manual Version: 2.12 AVR – Automatic voltage regulator BCD – Binary-coded decimal CB – Circuit breaker CBFP – Circuit breaker failure protection CLPU – Cold load pick-up CPU – Central processing unit CT –...
  • Page 11 A A Q Q -C215 -C215 1 Document information Instruction manual Version: 2.12 NC – Normally closed NO – Normally open NTP – Network Time Protocol RMS – Root mean square RSTP – Rapid Spanning Tree Protocol RTD – Resistance temperature detector RTU –...
  • Page 12 A A Q Q -C215 -C215 2 General Instruction manual Version: 2.12 2 General The AQ-C215 capacitor bank protection device has been specifically designed for the protection of capacitor banks. It includes capacitor bank current unbalance and overload protection in addition to standard overcurrent, earth fault and voltage protections.
  • Page 13 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 3 Device user interface 3.1 Panel structure The user interface section of an AQ 200 or AQ 250 series device is divided into two user interface sections: one for the hardware and the other for the software.
  • Page 14 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 When the unit is powered on, the green "Power" LED is lit. When the red "Error" LED is lit, the device has an internal (hardware or software) error that affects the operation of the unit. The activation of the yellow "Start"...
  • Page 15 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 3.2.2 Navigation in the main configuration menus All the settings in this device have been divided into the following six (6) main configuration menus: • General •...
  • Page 16 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Figure. 3.3 - 4. General menu structure. Device info Figure. 3.3 - 5. Device info. © Arcteq Relays Ltd IM00040...
  • Page 17 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Table. 3.3 - 2. 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 18 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Name Range Step Default Description If the user navigates to a menu and gives no input after a period of time defined with this Return to default view 0…3600 s 10 s parameter, the unit automatically returns to...
  • Page 19 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 3.4 Protection menu General Figure. 3.4 - 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 20 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Figure. 3.4 - 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 21 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 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 22 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 The "Info" section offers many details concerning the function and its status: • Function condition: indicates the stage's condition which can be Normal, Start, Trip, or Blocked. •...
  • Page 23 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Figure. 3.4 - 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 24 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Figure. 3.4 - 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 25 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Figure. 3.4 - 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 26 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Controls enabled Figure. 3.5 - 17. 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 27 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 • Used se Used set t ting gr ting groups oups: this setting allows the activation of setting groups SG1...SG8 (only one group is active by default). •...
  • Page 28 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Figure. 3.5 - 21. 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 29 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 • 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 30 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Figure. 3.5 - 22. 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 31 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 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 32 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 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 33 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 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 34 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Figure. 3.5 - 29. 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 35 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Figure. 3.5 - 30. 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.
  • Page 36 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Figure. 3.5 - 32. 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 37 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 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 38 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Figure. 3.5 - 35. 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 39 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Figure. 3.5 - 37. 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.).
  • Page 40 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 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 41 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Connections Figure. 3.6 - 40. 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 42 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Protocols Figure. 3.6 - 41. 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 43 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 3.7 Measurement menu Figure. 3.7 - 42. Measurement section. The Measurement menu includes the following submenus: Transformers , Frequency , Current measurement , Voltage measurement , Power and energy measurement , Impedance calculations , and Phasors .
  • Page 44 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 CT module Figure. 3.7 - 44. 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 45 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 VT primary and secondary voltages must match with the connected voltage transformer in addition to the voltage measurement mode. These settings are then used for scaling the voltage channel input voltages to primary and per unit values as well as power and energy measurement values if current measurements are also available.
  • Page 46 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Current measurement Figure. 3.7 - 47. Current measurement submenu. Current measurement submenu includes various individual measurements for each phase or phase-to- phase measurement. The Current measurement submenu has been divided into four sections: "Phase currents", "Residual currents", "Sequence currents", and "Harmonics".
  • Page 47 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Voltage measurement Figure. 3.7 - 48. 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 48 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Power and energy measurement Figure. 3.7 - 49. 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 49 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 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 50 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Monitors enabled Figure. 3.8 - 53. 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 51 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 Disturbance recorder Figure. 3.8 - 55. 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 52 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 • 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 device's memory).
  • Page 53 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 A number of stars are displayed in the upper right corner of the HMI; these indicate the current user level. The different user levels and their star indicators are as follows (also, see the image below for the HMI view): •...
  • Page 54 A A Q Q -C215 -C215 3 Device user interface Instruction manual Version: 2.12 • User: Can view any menus and settings but cannot change any settings, nor operate breakers or other equipment. • Operator: Can view any menus and settings but cannot change any settings BUT can operate breakers and other equipment.
  • Page 55 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 4 Functions 4.1 Functions included in AQ-C215 The AQ-C215 capacitor bank protection device includes the following functions as well as the number of stages for those functions. Table. 4.1 - 3. Protection functions of AQ-C215. Name (number ANSI Description...
  • Page 56 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name (number ANSI Description of stages) U1/U2>/< U1/U2>>/<< VUB (4) U1/U2>>>/<<< 59P/27P/47 Sequence voltage protection U2>>>>/<<<< RTD (1...16) RTD alarms (Resistance temperature detector) PGS (1) PSx>/< Programmable stage ARC (1) Iarc>/I0arc>...
  • Page 57 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.2.1 - 57. 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.
  • Page 58 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 The device calculates the scaling factors based on the set values of the CT primary, the CT secondary and the nominal current settings. The device measures the secondary current, the current output from the current transformer installed into application's primary circuit.
  • Page 59 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.2.1 - 6. Initial data. P P ha hase curr se current C ent CT T : : R R ing cor ing core C e CT in Input I02: T in Input I02: L L oad ( oad (nominal):...
  • Page 60 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.2.1 - 60. Setting the phase current transformer scalings to the protected object's nominal current. 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"...
  • Page 61 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.2.1 - 62. Residual I02 CT scaling (sensitive). Displaying the scaling Depending on whether the scaling was done based on the CT primary values or the protected object's nominal current, the measurements are displayed slightly differently.
  • Page 62 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Example of zero sequence CT scaling Zero sequence CT scaling (ZCT scaling) is done when a zero sequence CT instead of a ring core CT is part of the measurement connection. In such a case the zero sequence CT should be connected to the I02 channel which has lower CT scaling ranges (see the image below).
  • Page 63 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Problem Solution The phase currents are connected to the measurement module but the order or polarity of one or all phases is incorrect. In device settings, go to Measurement → Phasors and check the "Phase current vectors"...
  • Page 64 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.2.1 - 66. 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 device. 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 65 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.2.1 - 67. Common network rotation (mixed phases) problems. Settings Table. 4.2.1 - 7. Settings of the Phase CT scaling. Name Range Step Default Description Scale • CT nom p.u. •...
  • Page 66 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description A feedback value; the calculated scaling factor that is the ratio between the set primary current and the set CT scaling nominal current. This parameter is only visible if the factor NOM option "Object In p.u."...
  • Page 67 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.2.1 - 10. Per-unit phase current measurements. Name Unit Range Step Description Phase current 0.000…1 The current fundamental frequency component (in p.u.) × In 0.001 250.000 from each of the phase current channels. ("Pha.curr.ILx") Phase current ILx TRMS...
  • Page 68 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.2.1 - 14. Per-unit residual current measurements. Name Unit Range Step Description The current measurement fundamental frequency Residual current I0x 0.00…1 × In 0.01 component (in p.u.) from the residual current channel I01 ("Res.curr.I0x") 250.00 or I02.
  • Page 69 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.2.1 - 17. Residual phase angle measurements. Name Unit Range Step Description Residual current angle I0x The residual current angle measurement from the I01 or 0.00…360.00 0.01 ("Res.curr.angle I02 current input.
  • Page 70 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Unit Range Step Description Secondary zero sequence current The secondary measurement from the calculated 0.00…300.00 0.01 ("Sec.Zero sequence zero sequence current. curr.") Table. 4.2.1 - 21. Sequence phase angle measurements. Name Unit Range...
  • Page 71 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 4.2.2 Voltage measurement and scaling The voltage measurement module (VT module, or VTM) is used for measuring the voltages from voltage transformers. The voltage measurements are updated every 5 milliseconds. The measured values are processed into the measurement database and they are used by measurement and protection functions.
  • Page 72 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.2.2 - 69. Connections. The following table presents the initial data of the connection. Table. 4.2.2 - 23. Initial data. P P ha hase v se volta oltage V ge VT T Z Z er ero sequence v...
  • Page 73 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.2.2 - 70. Example connections for voltage line-to-line measurement. If only two line-to-line voltages are measured, the third one (U ) is calculated based on the U vectors.
  • Page 74 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 The image collection below presents the device's behavior when nominal voltage is injected into the device via secondary test equipment. The measurement mode is 3LN+U4 which means that the device is measuring line-to-neutral voltages.
  • Page 75 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Problem Check / Resolution The voltages are connected to the measurement module but the order or polarity of The measured one or all phases is incorrect. In device settings, go to Measurement → Phasors and voltage amplitudes are check the "System voltage vectors"...
  • Page 76 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description Defines how the secondary voltage is scaled to the primary. "Broken Delta" is the most common mode. Does not affect how protection operates, it only affects the displayed primary voltages.
  • Page 77 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description The selection of the first voltage measurement channel's (U1) polarity (direction). The default setting is for the U1 Polarity positive voltage to flow from connector 1 to connector 2, with the secondary voltage's starpoint pointing towards the line.
  • Page 78 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Measurements The following measurements are available in the measured voltage channels. Table. 4.2.2 - 26. Per-unit voltage measurements. Name Range Step Description Voltage Ux The voltage measurement fundamental frequency component (in 0.00…500.00xU 0.01xU ("UxVolt...
  • Page 79 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.2.2 - 30. Primary sequence voltage measurements. Name Range Step Description Primary positive sequence 0.00…1 000 The primary measurement from the calculated positive voltage 0.01V 000.00V sequence voltage. ("Pos.seq.Volt.pri") Primary negative 0.00…1 000...
  • Page 80 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Description System voltage magnitude 0.00…1 The primary line-to-line UL23 voltage fundamental frequency component UL23 0.01V (measured or calculated). You can also select the row where the unit for this is ("System 000.00V volt UL23...
  • Page 81 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Description System voltage The primary measured Synchrocheck voltage fundamental frequency magnitude 0.00…1 component (SS). This magnitude is displayed only when the "2LL+U3+U4" mode 0.01V is selected and both U3 and U4 are in use. You can also select the row where ("System 000.00V the unit for this is kV.
  • Page 82 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Description System voltage The primary measured Synchrocheck angle SS. This magnitude is only angle U3 0.00…360.00° 0.01° valid when the "2LL+U3+U4" mode is selected and both U3 and U4 are ("System in use.
  • Page 83 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 In close-in faults the system voltage on the secondary side may fall down to a few volts or close to nothing. In such cases, when the measured voltage is absent, the fault direction cannot be solved. As backup, non-directional protection can be used for tripping, but in such cases the selectivity of the network will reduce.
  • Page 84 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.2.2 - 75. Voltage angle drift. The blocking signal for voltage memory can be found among other stage-related settings in the tab VT Module (3U/4U) 1 . The blocking signal is checked in the beginning of each program cycle. VMEM activ VMEM activa a tion v tion volta...
  • Page 85 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 When the "Forced CT f tracking" parameter is activated and voltages are gone, the frequency from the selected current-based reference channel 3 (the current from IL3) is used for current sampling. This eliminates any possible measurement errors in the fixed frequency mode.
  • Page 86 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.2.3 - 76. Three-phase power (S) calculation. Figure. 4.2.3 - 77. Three-phase active power (P) calculation. In these equations, phi (φ) is the angle difference between voltage and current. Figure.
  • Page 87 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Power factor calculation is done similarly to the Cosine phi calculation but the polarity is defined by the reactive power direction. Therefore, the power factor is calculated with the following formula: Only line y line-t -to-line v o-line volta...
  • Page 88 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description 3ph reactive • Disabled Enables/disables the reactive and apparent energy Disabled • Enabled energy measurement. measurement 3ph energy Defines whether energy is measured with •...
  • Page 89 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.2.3 - 38. Energy Dose Counter 1 settings Name Range Step Default Description Energy dose • Disabled Enables/disables energy dose Disabled counter • Activated counters generally. mode Clear pulse •...
  • Page 90 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Description 3PH Apparent power (S The total three-phase apparent power in 0.01MVA -1x10 …1x10 MVA) megawatts 3PH Active power (P 0.01MW The total three-phase active power in mewatts -1x10 …1x10 3PH Reactive power...
  • Page 91 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Description Reactive energy (Q) balance The sum of imported and exported reactive 0.01 -1x10 …1x10 while export (P) (kVarh or MVarh) capacitive energy while active power is exported. Exported (Q) while Import (P) The total amount of exported reactive energy while 0.01...
  • Page 92 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Description Exported (Q) while Import (P) Lx The exported reactive energy of the phase while 0.01 -1x10 …1x10 (kVarh or MVarh) active energy is imported. Imported (Q) while Import (P) Lx The imported reactive energy of the phase while 0.01...
  • Page 93 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Value Name Value Name Value Name Value L1 (Q) L1 (Q) 2.89 Mvar L2 (Q) L2 (Q) -3.94 Mvar L3 (Q) L3 (Q) 1.06 Mvar 3PH (Q) H (Q) 0.01 Mvar L1 T...
  • Page 94 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 4.2.4 Frequency tracking and scaling Measurement sampling can be set to the frequency tracking mode or to the fixed user- defined frequency sampling mode. The benefit of frequency tracking is that the measurements are within a pre-defined accuracy range even when the fundamental frequency of the power system changes.
  • Page 95 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Problem Check / Resolution The measured current or voltage amplitude is The set system frequency may be wrong. Please check that the frequency settings lower than it should match the local system frequency, or change the measurement mode to "Tracking"...
  • Page 96 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description • None • CT1IL3 Frequency • CT2IL3 CT1IL3 The third reference source for frequency tracking. reference 3 • VT1U3 • VT2U3 • No trackable channels •...
  • Page 97 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description Frequency measurement value used by protection f.atm. functions. When frequency is not measurable this 0.000…75.000Hz 0.001Hz - Protections value returns to value set to "System nominal frequency"...
  • Page 98 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.3 - 47. Parameters and indications in the General menu. Name Range Default Description Device name Unitname The file name uses these fields when loading the .aqs configuration file from the AQ-200 unit.
  • Page 99 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Default Description • OBJ1 • OBJ2 • OBJ3 • OBJ4 "I" and "0" push buttons on the front panel of the I/0 default object • OBJ5 device have an indication LED.
  • Page 100 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 The protection function is run in a completely digital environment with a protection CPU microprocessor which also processes the analog signals transformed into the digital form. © Arcteq Relays Ltd IM00040...
  • Page 101 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.1 - 79. Principle diagram of the protection device 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 102 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.1 - 81. 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 103 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Both IEC and IEEE/ANSI standard characteristics as well as user settable parameters are available for the IDMT operation. Please note that in the IDMT mode Definite (Min) operating time delay is also determines the minimum time for protection tripping (see the figure below).
  • Page 104 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description Selects the IEC standard delay characteristics. The options include the following: Normally Inverse ("NI"), Extremely Inverse ("EI"), Very Inverse ("VI") and • NI Long Time Inverse ("LTI") characteristics.
  • Page 105 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.1 - 83. 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.
  • Page 106 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 RI-type RD-type t = Operating delay (s) t = Operating delay (s) k = Time dial setting k = Time dial setting = Measured maximum = Measured maximum current current = Pick-up setting = Pick-up setting...
  • Page 107 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.1 - 84. No delayed pick-up release. Figure. 4.4.1 - 85. Delayed pick-up release, delay counter is reset at signal drop-off. © Arcteq Relays Ltd IM00040...
  • Page 108 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.1 - 86. Delayed pick-up release, delay counter value is held during the release time. Figure. 4.4.1 - 87. Delayed pick-up release, delay counter value is decreasing during the release time. The resetting characteristics can be set according to the application.
  • Page 109 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 When using the release delay option where the operating time counter is calculating the operating time during the release time, the function will not trip if the input signal is not activated again during the release time counting.
  • Page 110 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.2 - 52. Measurement inputs of the Icol> function. Signal Description Time base Fundamental frequency component of phase L1 (A) current Fundamental frequency component of phase L2 (B) current Fundamental frequency component of phase L3 (C) current TRMS TRMS measurement of phase L1 (A) current...
  • Page 111 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.2 - 54. Pick-up settings. Name Range Step Default Description 0.10…50.00×I 0.01×I 1.20×I Pick-up setting Read-only parameters The function's Info page displays useful, real-time information on the state of the protection function. It is accessed either through the device's HMI display, or through the setting tool software when it is connected to the device and its Live Edit mode is active.
  • Page 112 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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 113 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Below is an example of the programmable curve settings with three separate operating time segments. 1. RED: I = 1.0…2.0, IDMT IEC-NI, time dial k = 0.05, IDMT constant A = 0.14, IDMT meas constant B = 0.02, IDMT constant C = 0.0001.
  • Page 114 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Event block name Event names COL1 Trip OFF COL1 Block ON COL1 Block OFF The function registers its operation into the last twelve (12) time-stamped registers; this information is available for all provided instances separately.
  • Page 115 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.3 - 61. General settings of the function. Name Range Default Description • Normal • Blocked IUC> force • StartAlarm Force the status of the function. Visible only when Enable stage Normal status to •...
  • Page 116 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description Definite time delay 0.000…1 Defines the definite time delay for the ALARM 0.005s 0.04s alarm 800.00s signal. 0.000…1 Defines the definite time delay for the TRIP Definite time delay trip 0.005s 0.04s...
  • Page 117 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.3 - 64. Internal inrush harmonic blocking settings. Name Range Step Default Description Inrush harmonic blocking • No Enables and disables the 2 (internal-only trip) • Yes harmonic blocking.
  • Page 118 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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 119 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.4 - 67. Measurement inputs of the I> function. Signal Description Time base Fundamental frequency component of phase L1 (A) current measurement Fundamental frequency component of phase L2 (B) current measurement Fundamental frequency component of phase L3 (C) current measurement TRMS TRMS measurement of phase L1 (A) current...
  • Page 120 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Pick-up settings The I setting parameter controls the pick-up of the I> function. This defines the maximum allowed measured current before action from the function. The function constantly calculates the ratio between the I and the measured magnitude ( I ) for each of the three phases.
  • Page 121 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Description meas The ratio between the highest measured phase current and the at the 0.00...1250.00 0.01 pick-up value. moment Function blocking The block signal is checked in the beginning of each program cycle. The blocking signal is received from the blocking matrix in the function's dedicated input.
  • Page 122 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Event block name Event names NOC1...NOC4 Trip ON NOC1...NOC4 Trip OFF NOC1...NOC4 Block ON NOC1...NOC4 Block OFF NOC1...NOC4 Phase A Start ON NOC1...NOC4 Phase A Start OFF NOC1...NOC4 Phase B Start ON NOC1...NOC4 Phase B Start OFF...
  • Page 123 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 4.4.5 Non-directional earth fault protection (I0>; 50N/51N) The non-directional earth fault function is used for instant and time-delayed earth fault protection. The number of stages in the function depend on the device model. The operating characteristics are based on the selected neutral current magnitude which the function measures constantly.
  • Page 124 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.5 - 75. General settings of the function. Name Range Default Description Setting • Disabled Activating this parameter permits changing the pick-up level of the control from Disabled •...
  • Page 125 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Setting group selection controls the operating characteristics of the function, i.e. the user or user- defined logic can change function parameters while the function is running. Table. 4.4.5 - 77. Pick-up settings. Name Range Step...
  • Page 126 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.5 - 79. Internal inrush harmonic blocking settings. Name Range Step Default Description Inrush harmonic blocking • No harmonic blocking (internal-only trip) • Yes enable/disable harmonic block limit (Iharm/ 0.10…50.00%I 0.01%I 0.01%I...
  • Page 127 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.5 - 81. Register content. Name Description Date and time dd.mm.yyyy hh:mm:ss.mss Event Event name Fault type A-G-R…C-G-F Pre-trigger current Start/Trip -20ms current Fault current Start/Trip current Pre-fault current Start -200ms current Trip time remaining...
  • Page 128 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Measured input The function block uses positive and negative sequence currents calculated from the phase current measurement channels. In the broken conductor mode (I2/I1) the function also uses fundamental frequency component of all phase currents to check the minimum current.
  • Page 129 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.6 - 84. Pick-up settings. Name Range Step Default Description 0.01…40.00×I 0.01×I 0.2×I I2set Pick-up setting for I2 mode I2/I1set 1…200% 0.01% Pick-up setting for I2/I1 mode Read-only parameters The function's Info page displays useful, real-time information on the state of the protection function.
  • Page 130 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 • 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 current as long as the current is above or below the i value and thus the pick-up element is active (independent time characteristics).
  • Page 131 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Events and registers The current unbalance function (abbreviated "CUB" in event block names) generates events and registers from the status changes in the events listed below. The user can select which event messages are stored in the main event buffer: ON, OFF, or both.
  • Page 132 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.7 - 94. Simplified function block diagram of the Ih> function. Measured input The function block uses analog current measurement values from phase or residual currents. Each measurement input of the function block uses RMS (fundamental frequency component) values and harmonic components of the selected current input.
  • Page 133 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Signal Description Time base The magnitudes (RMS) of phase L2 (B) current components: - Fundamental harmonic harmonic harmonic harmonic harmonic 5 ms harmonic harmonic - 11 harmonic - 13 harmonic - 15 harmonic...
  • Page 134 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Signal Description Time base The magnitudes (RMS) of residual I0 current components: - Fundamental harmonic harmonic harmonic harmonic harmonic 5 ms harmonic harmonic - 11 harmonic - 13 harmonic - 15 harmonic...
  • Page 135 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Default Description • 2 harmonic • 3 harmonic • 4 harmonic • 5 harmonic • 6 harmonic • 7 Harmonic harmonic Selection of the monitored harmonic component. selection harmonic •...
  • Page 136 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description Pick-up setting Ih/IL 5.00…200.00% 0.01% 20.00% (percentage monitoring) Read-only parameters The function's Info page displays useful, real-time information on the state of the protection function. It is accessed either through the device's HMI display, or through the setting tool software when it is connected to the device and its Live Edit mode is active.
  • Page 137 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Events and registers The harmonic overcurrent function (abbreviated "HOC" in event block names) generates events and registers from the status changes in the events listed below. The user can select which event messages are stored in the main event buffer: ON, OFF, or both.
  • Page 138 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 4.4.8 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 incoming feeder circuit breaker can be tripped by using the function's CBFP output.
  • Page 139 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Signal Description Time base Fundamental frequency component of residual input I measurement Calculated residual current from the phase current inputs 0Calc 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.
  • Page 140 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.8 - 97. Operating mode and input signals selection. Name Range Step Default Description • Not in Selects the residual current monitoring source, which can be Not in I0Input •...
  • Page 141 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.8 - 99. Information displayed by the function. Name Range Description • Normal • Start CBFP condition • ReTrip Displays status of the protection function. • CBFP On •...
  • Page 142 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Trip, Retrip and CBFP in the device configuration Figure. 4.4.8 - 96. 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 143 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.8 - 97. 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.
  • Page 144 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.8 - 98. 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 145 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.8 - 99. 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 146 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Trip and CBFP in the device configuration Figure. 4.4.8 - 100. 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 147 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.8 - 101. 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 148 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.8 - 102. 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 149 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.8 - 103. 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 150 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Device configuration as a dedicated CBFP unit Figure. 4.4.8 - 104. Wiring diagram when the device is configured as a dedicated CBFP unit. © Arcteq Relays Ltd IM00040...
  • Page 151 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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 152 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Event block name Event names CBF1 Retrip ON CBF1 Retrip OFF CBF1 CBFP ON CBF1 CBFP OFF CBF1 Block ON CBF1 Block OFF CBF1 DO monitor ON CBF1 DO monitor OFF CBF1 Signal ON...
  • Page 153 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.9 - 106. Simplified function block diagram of the U> function. Measured input The function block uses fundamental frequency component of line-to-line or line-to-neutral (as the user selects).
  • Page 154 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.9 - 107. Selectable measurement magnitudes with 3LN+U4 VT connection. Figure. 4.4.9 - 108. Selectable measurement magnitudes with 3LL+U4 VT connection (P-E voltages not available without residual voltage). ©...
  • Page 155 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.9 - 109. Selectable measurement magnitudes with 2LL+U3+U4 VT connection (P-E voltages not available without residual voltage). P-P Voltages and P-E Voltages selections follow phase-to-neutral or phase-to-phase voltages in the first three voltage channels (or two first voltage channels in the 2LL+U3+U4 mode).
  • Page 156 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.9 - 106. Pick-up settings. Name Range Step Default Description • 1 voltage Operation mode • 2 voltages 1 voltage Pick-up criteria selection • 3 voltages 50.00…150.00%U 0.01%U 105%U Pick-up setting...
  • Page 157 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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 158 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description This setting is active and visible when IDMT is the selected IDMT delay type. 0.01…25.00s 0.01s 1.00s Multiplier IDMT time multiplier in the U power.
  • Page 159 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Event block name Event names OV1...OV4 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 160 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Measured input The function block uses fundamental frequency component of line-to-line or line-to-neutral (as the user selects). If the protection is based on line-to-line voltage, undervoltage protection is not affected by earth faults in isolated or compensated networks.
  • Page 161 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.10 - 111. Selectable measurement magnitudes with 3LN+U4 VT connection. Figure. 4.4.10 - 112. Selectable measurement magnitudes with 3LL+U4 VT connection (P-E voltages not available without residual voltage). ©...
  • Page 162 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.10 - 113. Selectable measurement magnitudes with 2LL+U4 VT connection (P-E voltages not available without residual voltage). P-P Voltages and P-E Voltages selections follow phase-to-neutral or phase-to-phase voltages in the first three voltage channels (or two first voltage channels in the 2LL+U3+U4 mode).
  • Page 163 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description U Block Block setting. If set to zero, blocking is not in use. The 0.00…100.00%U 0.01%U 10%U setting operation is explained in the next chapter. Using Block setting to prevent nuisance trips It is recommended to use the Block setting parameter to prevent the device from tripping in a situation where the network is de-energized.
  • Page 164 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Description Time When the function has detected a fault and counts down remaining -1800.000...1800.000s 0.005s time towards a trip, this displays how much time is left to trip before tripping occurs.
  • Page 165 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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.
  • Page 166 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description Continue time Time calculation characteristics selection. If activated, the calculation • No operating time counter continues until a set release time during • Yes even when the pick-up element is reset.
  • Page 167 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Register Description Fault voltage Start/Trip voltage Pre-fault voltage Start -200ms voltage Trip time remaining 0 ms...1800s Used SG Setting group 1...8 active 4.4.11 Neutral overvoltage protection (U0>; 59N) The neutral overvoltage function is used for non-directional instant and time-delayed earth fault protection.
  • Page 168 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.11 - 117. Close-distance short-circuit between phases 1 and 3. Figure. 4.4.11 - 118. Simplified function block diagram of the U0> function. Measured input The function block uses phase-to-neutral voltage magnitudes or calculated zero sequence component (as the user selects).
  • Page 169 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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 170 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Description Primary voltage required for tripping. The displayed pick-up U0> Pick- voltage level depends on the chosen U0 measurement input 0.0...1 000 000.0V 0.1V up setting selection, on the pick-up settings and on the voltage transformer settings.
  • Page 171 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 • 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 172 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 In the release delay option the operating time counter calculates the operating time during the release. When using this option the function does not trip if the input signal is not re-activated while the release time count is on-going.
  • Page 173 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 4.4.12 Sequence voltage protection (U1/U2>/<; 47/27P/59PN) The sequence voltage function is used for instant and time-delayed voltage protection. It has positive and negative sequence protection for both overvoltage and undervoltage (the user selects the needed function).
  • Page 174 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.12 - 121. 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 175 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.12 - 124. Close-distance short-circuit between phases 1 and 3. Figure. 4.4.12 - 125. Simplified function block diagram of the U1/U2>/< function. Measured input The function block uses fundamental frequency component of phase-to-phase, phase-to-neutral and zero sequence voltage measurements.
  • Page 176 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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 177 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.12 - 126. Example of the block setting operation. Read-only parameters The function's Info page displays useful, real-time information on the state of the protection function. It is accessed either through the device's HMI display, or through the setting tool software when it is connected to the device and its Live Edit mode is active.
  • Page 178 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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 179 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.12 - 133. Setting parameters for reset time characteristics. Name Range Step Default Description Resetting time. Time allowed between pick-ups if the pick-up Release has not led to a trip operation. During this time the 0.000…150.000s 0.005s 0.06s time delay START signal is held on for the timers if the delayed pick-up...
  • Page 180 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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 181 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 • e = Euler’s number • t = Calculation time step in seconds (0.005 s) • τ = Thermal time constant of the protected object (in minutes) The basic operating principle of the thermal replica is based on the nominal temperature rise, which is achieved when the protected object is loaded with a nominal load in a nominal ambient temperature.
  • Page 182 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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 183 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.13 - 128. Ambient temperature coefficient calculation (a three-point linear approximation and a settable correction curve). As can be seen in the diagram above, the ambient temperature coefficient is relative to the nominal temperature reference.
  • Page 184 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.13 - 130. Settings of the function's ambient temperature coefficient curve. The temperature and correction factor pairs are set to the function's settable curve. © Arcteq Relays Ltd IM00040...
  • Page 185 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.13 - 131. 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 186 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.13 - 132. 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 187 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.13 - 133. 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 188 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.13 - 134. Example of correction factors for the current-carrying capacity as given by a manufacturer. © Arcteq Relays Ltd IM00040...
  • Page 189 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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 190 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.13 - 135. 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 191 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.13 - 136. 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 192 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Therefore, the settings are as follows: • I = 680 A • T = 90 ̊C • T = 15 ̊C • T = 15 ̊C • τ = 183.8 min •...
  • Page 193 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.13 - 138. 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 194 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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 195 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.13 - 139. Simplified function block diagram of the TF> function. Measured input The function block uses phase current measurement values. The function block uses TRMS values from the whole harmonic specter of 32 components.
  • Page 196 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.13 - 138. Settings for thermal replica. Name Range Step Default Description The current for the 100 % thermal capacity to be used (the thermal 0.10…40.00xI 0.01xI 1.00xI pick-up current in p.u., with t achieved in time τ...
  • Page 197 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description Ambient • Manual set Manual The selection of whether fixed or measured ambient temp. sel. • RTD temperature is used for the thermal image biasing. The manual fixed ambient temperature setting for the Man.
  • Page 198 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description The selection of whether or not the curve temperature/ coefficient pair is in use. The minimum number to be set for the temperature/coefficient curve is two pairs and the maximum is ten pairs.
  • Page 199 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description TF> The trip signal's additional delay. This delay delays the trip Trip 0.000…3600.000s 0.005s 0.000s signal generation by a set time. The default setting is 0.000 s delay which does not give an added time delay for the trip signal.
  • Page 200 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Description • Ambient setting ok TF> • Ambient t Indicates if ambient temperature settings have been set wrong and actually used Setting set fault. setting is 1.0. Visible only when there is a setting fault. alarm Override to •...
  • Page 201 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.13 - 143. Counters. Name Description / values Alarm1 inits The number of times the function has activated the Alarm 1 output Alarm2 inits The number of times the function has activated the Alarm 2 output Restart inhibits The number of times the function has activated the Restart inhibit output Trips...
  • Page 202 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Description Event Event name Time to reach 100 % theta seconds Ref. T current Active meas. current T at a given moment Max. temp. rise allowed degrees Temp.
  • Page 203 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Settings Setting up an RTD measurement, the user first needs to set the measurement module to scan the wanted RTD elements. A multitude of Modbus-based modules are supported. Communication requires bitrate, databits, parity, stopbits and Modbus I/O protocol to be set;...
  • Page 204 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description Displays the measured sensor's data validity. If the sensor reading has any • Ok S1...S16 sensor problems, the sensor data is set to •...
  • Page 205 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 4.4.15 Programmable stage (PSx>/<; 99) The programmable stage is a stage that the user can program to create more advanced applications, either as an individual stage or together with programmable logic. The device has ten programmable stages, and each can be set to follow one to three analog measurements.
  • Page 206 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Description ILx 19 ILx 19 harmonic value (in p.u.) ILx TRMS ILx TRMS value (in p.u.) ILx Ang ILx Angle (degrees) Table. 4.4.15 - 149. Other current measurements Name Description I0Z Mag...
  • Page 207 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Description UL23Ang UL23 angle (degrees) UL31Ang UL31 angle (degrees) UL1Ang UL1 angle (degrees) UL2Ang UL2 angle (degrees) UL3Ang UL3 angle (degrees) U0Ang UL0 angle (degrees) U0CalcMag Calculated residual voltage U1 pos.seq.V Mag Positive sequence voltage U2 neg.seq.V Mag...
  • Page 208 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Description RLxSec Resistance R L12, L23, L31, L1, L2, L3 secondary (Ω) XLxSec Reactance X L12, L23, L31, L1, L2, L3 secondary (Ω) ZLxSec Impedance Z L12, L23, L31, L1, L2, L3 secondary (Ω) ZLxAngle Impedance Z L12, L23, L31, L1, L2, L3 angle Table.
  • Page 209 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Description Y0Pri Admittance Y0 primary (mS) Y0Sec Admittance Y0 secondary (mS) Y0Angle Admittance Y0 angle Table. 4.4.15 - 156. Other measurements Name Description System f. System frequency Ref f1 Reference frequency 1 Ref f2...
  • Page 210 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.15 - 157. Information displayed by the function. Name Range Description • Normal • Start Condition Displays status of the function. • Trip • Blocked Expected operating -1800.000...1800.000s Displays the expected operating time when a fault occurs.
  • Page 211 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description PS# Pick-up -5 000 setting 000.0000…5 000 0.0001 0.01 Pick-up magnitude Mag#/calc >/< 000.0000 PS# Setting 0.0000…50.0000% 0.0001% 3% Setting hysteresis hysteresis Mag# Definite operating time 0.000…1800.000s...
  • Page 212 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Function blocking The block signal is checked in the beginning of each program cycle. The blocking signal is received from the blocking matrix in the function's dedicated input. If the blocking signal is not activated when the pick-up element activates, a START signal is generated and the function proceeds to the time characteristics calculation.
  • Page 213 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Register Description Trip time remaining 0 ms...1800s Setting group in use Setting group 1...8 active 4.4.16 Arc fault protection (IArc>/I0Arc>; 50Arc/50NArc) Arc faults occur for a multitude of reasons: e.g. insulation failure, incorrect operation of the protected device, corrosion, overvoltage, dirt, moisture, incorrect wiring, or even because of aging caused by electric load.
  • Page 214 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Outputs Activation condition Channel 1 Pressure Channel 2 Pressure The arc protection card's sensor channel detects pressure. Channel 3 Pressure Channel 4 Pressure ARC Binary input The arc protection card's binary input is energized. signal I/I0 Arc>...
  • Page 215 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.16 - 142. Scheme with AQ-101 arc protection relays. To set the zones for the AQ-200 models sensor channels start by enabling the protected zones (in this case, Zones 1 and 2).
  • Page 216 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.4.16 - 143. Scheme with AQ-200 protection devices. The settings for the device supervising the incoming feeder are the same as in the first example. The devices 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 217 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.4.16 - 163. Measurement inputs of the U1/U2>/< function. Signal Description Time base samples Samples received by I current measurement channel samples Samples received by I current measurement channel samples Samples received by I current measurement channel...
  • Page 218 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Default Description Channel sensor status Channel sensor Displays the status of the sensor channel. If the number of sensors status • Sensors OK connected to the channel does not match with the set "Channel 1/2/3/ •...
  • Page 219 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description Zone1/2/ • Disabled 3/4 Light 1 Disabled Light detected in sensor channel 1 trips the zone. • Enabled Enabled Zone1/2/ • Disabled 3/4 Light 2 Disabled Light detected in sensor channel 2 trips the zone.
  • Page 220 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 • Ph Curr Blocked • Ph Curr Start • Res Curr Blocked • Res Curr Start • Channel1 Light • Channel1 Pressure • Channel2 Light • Channel2 Pressure •...
  • Page 221 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Event block name Event names ARC1 Phase current Start OFF ARC1 Residual current Blocked ON ARC1 Residual current Blocked OFF ARC1 Residual current Start ON ARC1 Residual current Start OFF ARC1 Channel 1...4 Light ON ARC1...
  • Page 222 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 4.5 Control functions 4.5.1 Common signals Common signals function has all protection function start and trip signals internally connected to Common START and TRIP output signals. When any of the activated protection functions generate a START or a TRIP signal, Common signals function will also generate the same signal.
  • Page 223 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Events The common signals function (abbreviated "GNSIG" in event block names) generates events from the status changes in the events listed below. The user can select which event messages are stored in the main event buffer: ON, OFF, or both.
  • Page 224 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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. The user can also force any of the setting groups on when the "Force SG change"...
  • Page 225 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Default Description • None • SG1 The selection of the overriding setting group. After "Force SG change" • SG2 is enabled, any of the configured setting groups in the device can be •...
  • Page 226 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Description Setting The selection of Setting group 6 ("SG6"). Has the third lowest priority input in setting group control. group Can be controlled with pulses or static signals. If static signal control is applied, SG7 and SG8 requests will not be processed.
  • Page 227 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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 228 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.5.2 - 148. 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 229 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.5.2 - 149. 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 230 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Event block name Event names Remote Change SG Request OFF Local Change SG Request ON Local Change SG Request OFF Force Change SG ON Force Change SG OFF SG Request Fail Not configured SG ON SG Request Fail Not configured SG OFF Force Request Fail Force ON...
  • Page 231 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.5.3 - 150. Simplified function block diagram of the object control and monitoring function. Settings The following parameters help the user to define the object. The operation of the function varies based on these settings and the selected object type.
  • Page 232 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Default Description • Withdrawable The selection of the object type. This selection defines the circuit breaker number of required digital inputs for the monitored object. This •...
  • Page 233 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.5.3 - 177. Object types. Name Functionalities Description Breaker cart position Circuit breaker position Circuit breaker control Withdrawable circuit Object ready check before The monitor and control configuration of the breaker closing breaker withdrawable circuit breaker.
  • Page 234 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.5.3 - 179. Operation settings. Name Range Step Default Description Determines the maximum time between open and close statuses when the breaker switches. If this set time is exceeded and both Breaker 0.02…500.00 0.02...
  • Page 235 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Blocking and interlocking The interlocking and blocking conditions can be set for each controllable object, with Open and Close set separately. Blocking and interlocking can be based on any of the following: other object statuses, a software function or a digital input.
  • Page 236 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Events and registers The object control and monitoring function (abbreviated "OBJ" in event block names) generates events and registers from the status changes in the events listed below. The user can select which event messages are stored in the main event buffer: ON, OFF, or both.
  • Page 237 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Event block name Description OBJ1...OBJ5 Open Command Fail OBJ1...OBJ5 Close Command Fail OBJ1...OBJ5 Final trip On OBJ1...OBJ5 Final trip Off OBJ1...OBJ5 Contact Abrasion Alarm On OBJ1...OBJ5 Contact Abrasion Alarm Off OBJ1...OBJ5 Switch Operating Time Exceeded On OBJ1...OBJ5...
  • Page 238 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 4.5.4 Indicator object monitoring The indicator object monitoring function takes care of the status monitoring of disconnectors. The function's sole purpose is indication and does not therefore have any control functionality. To control circuit breakers and/or disconnectors, please use the Object control and monitoring function.
  • Page 239 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Events The indicator object monitoring function (abbreviated "CIN" in event block names) generates events from the status changes in the events listed below. The user can select which event messages are stored in the main event buffer: ON, OFF, or both.
  • Page 240 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.5.5 - 186. Input signals. Input Description The digital input or logic signal for the function to arm and start calculating the SOTF time. Any binary Activate signal can be used to activate the function and start the calculation.
  • Page 241 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Events and registers The switch-on-to-fault function (abbreviated "SOF" in event block names) generates events and registers from the status changes in the events listed below. The user can select which event messages are stored in the main event buffer: ON, OFF, or both.
  • Page 242 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 • uses less wiring and connections than other signals, thus greatly reducing initial setup costs • good for travelling long distances, as current does not degrade over long connections like voltage does •...
  • Page 243 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description Scaled The mA output value when the measured value mA output 0.0000…24.0000mA 0.0001mA 0mA is equal to or greater than Input value 2. value 2 Figure.
  • Page 244 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 4.5.7 Programmable control switch The programmable control switch is a control function that controls its binary output signal. This output signal can be controlled locally from the device's mimic (displayed as a box in the mimic) or remotely from the RTU.
  • Page 245 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Event block name Event names Switch 4 OFF Switch 5 ON Switch 5 OFF 4.5.8 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 -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description • S7 mA Input • S8 mA Input • S15 mA Input • S16 mA Input • DI1...DI20 Voltage • RTD S1...S16 Resistance •...
  • Page 247 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 The input signal filtering parameter calculates the average of received signals according to the set time constant. This is why rapid changes and disturbances (such as fast spikes) are smothered. The Nyquist rate states that the filter time constant must be at least double the period time of the disturbance process signal.
  • Page 248 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 4.5.9 Logical outputs Logical outputs are used for sending binary signals out from a logic that has been built in the logic editor. Logical signals can be used for blocking functions, changing setting groups, controlling digital outputs, activating LEDs, etc.
  • Page 249 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.5.9 - 199. Logical output user description. Name Range Default Description User editable Logical 1...31 Description of the logical output. This description is used in description output characters several menu types for easier identification.
  • Page 250 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.5.10 - 156. Extending a logical input pulse. Logical input descriptions Logical inputs can be given a description. The user defined description are displayed in most of the menus: •...
  • Page 251 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.5.10 - 202. Event messages. Event block name Event names LOGIC2 Logical in 1...32 ON LOGIC2 Logical in 1...32 OFF 4.6 Monitoring functions 4.6.1 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 252 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.6.1 - 158. Simplified function block diagram of the CTS function. Measured input The function block uses fundamental frequency component of phase current measurement values and residual current measurement values. The function supervises the angle of each current measurement channel.
  • Page 253 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Signal Description Time base Fundamental frequency component of phase L3 (C) current Fundamental frequency component of residual input I01 Fundamental frequency component of residual input I02 General settings The following general settings define the general behavior of the function.
  • Page 254 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Step Default Description Determines the pick-up threshold for phase current measurement. This setting limit defines the lower limit for 0.01…40.00×I 0.01×I 0.10×I the phase current's pick-up element. limit This condition has to be met for the function to activate.
  • Page 255 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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 256 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.6.1 - 160. 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 257 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.6.1 - 162. No wiring fault but heavy unbalance. If any of the phases exceed the I high limit setting, the operation of the function is not activated. This behavior is applied to short-circuits and earth faults even when the fault current exceeds the I high limit setting.
  • Page 258 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 If the I high limit and I low limit setting parameters are adjusted according to the application's normal behavior, the operation of the function can be set to be very sensitive for broken circuit and conductor faults.
  • Page 259 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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. Figure.
  • Page 260 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 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 261 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.6.2 - 168. Secondary circuit fault in phase L1 wiring. Figure. 4.6.2 - 169. Simplified function block diagram of the VTS function. Measured input The function block uses fundamental frequency component of voltage measurement channels. The function uses calculated positive, negative and zero sequence voltages.
  • Page 262 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Signal Description Time base Fundamental frequency component of U /V voltage measurement Fundamental frequency component of U /V voltage measurement Fundamental frequency component of U /V voltage measurement Pick-up settings The Voltage low pick-up and Voltage high detect setting parameters control the voltage-dependent pick-up and activation of the voltage transformer supervision function.
  • Page 263 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Description Bus Live VTS problem Any of the VTS pick-up conditions are met. Read-only parameters The function's Info page displays useful, real-time information on the state of the protection function. It is accessed either through the device's HMI display, or through the setting tool software when it is connected to the device and its Live Edit mode is active.
  • Page 264 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Operating time characteristics for activation This function supports definite time delay (DT). For detailed information on these delay types please refer to the chapter "General properties of a protection function"...
  • Page 265 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Register Description • No voltage Volt 1, 2, 3, 4 status • Voltage OK • Low voltage • Bus dead • Bus live, VTS OK, Seq. OK System status •...
  • Page 266 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.6.3 - 171. Simplified function block diagram of the total harmonic distortion monitor function. Measured input The function block uses phase and residual current measurement channels. The function always uses FFT measurement of the whole harmonic specter of 32 components from each measured current channel.
  • Page 267 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Pick-up settings 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 THD 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 268 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.6.3 - 217. Information displayed by the function. Name Range Description • Normal • Start THD condition Displays status of the monitoring function. • Alarm • Blocked Function blocking The block signal is checked in the beginning of each program cycle.
  • Page 269 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.6.3 - 219. Event messages. Event block name Event names THD1 THD Start Phase ON THD1 THD Start Phase OFF THD1 THD Start I01 ON THD1 THD Start I01 OFF THD1 THD Start I02 ON THD1...
  • Page 270 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 The recorder provides a great tool to analyze the performance of the power system during network disturbance situations. The recorder's output is in general COMTRADE format and it is compatible with most viewers and injection devices.
  • Page 271 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Signal Description USup Voltage measurement module voltage supply supervision (VT card 1) Phase current I (CT card 3) IL1''' IL2''' Phase current I (CT card 3) IL3''' Phase current I (CT card 3) Residual current I coarse* (CT card 3)
  • Page 272 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Signal Description Signal Description Secondary phase Primary positive/negative/zero Sec.Pha.curr.ILx current ILx (IL1, IL2, Pri.Pos./Neg./Zero seq.curr. sequence current IL3) Primary residual Pos./Neg./Zero Positive/Negative/Zero sequence Pri.Res.curr.I0x current I0x (I01, I02) seq.curr.angle current angle Residual current angle...
  • Page 273 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Signal Description Signal Description Positive/Negative/ Pos/Neg./Zero Magnitude of the system voltage Zero sequence voltage System volt U0 mag seq.Volt.p.u. in per-unit values Primary positive/ Pos./Neg./Zero Magnitude of the system voltage negative/ System volt U0 mag(kV) seq.Volt.pri...
  • Page 274 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Signal Description Signal Description POW1 3PH Three-phase apparent Apparent power Curve x Output Output of Curve x (1, 2, 3, 4) power POW1 3PH Three-phase apparent Apparent power power in megavolt- Enablefbasedfunctions(VT1) Enable frequency-based functions (S MVA)
  • Page 275 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Signal Description Signal Description Open/close Active if buttons I or 0 in the Internal Relay Fault If the unit has an internal fault, this control unit's front panel are pressed. active signal is active.
  • Page 276 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Description • Recorder ready • Recording triggered Recorder • Recording Indicates the status of recorder. status and storing • Storing recording • Recorder full • Wrong config Clears selected recording.
  • Page 277 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Default Description Selects what happens when the memory is full. • FIFO "FIFO" (= first in, first out) replaces the oldest stored Recording mode FIFO • Keep olds recording with the latest one.
  • Page 278 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 • total sample reserve = the number of samples available in the FTP when no other files are saved; calculated by dividing the total number of available bytes by 4 bytes (=the size of one sample); e.g. 64 306 588 bytes/4 bytes = 16 076 647 samples.
  • Page 279 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.6.4 - 172. Disturbance recorder settings. Figure. 4.6.4 - 173. 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 280 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 The user can also launch the AQviewer software from the Disturbance recorder menu. AQviewer software instructions can be found in AQtivate 200 Instruction manual (arcteq.fi./downloads/). Events The disturbance recorder function (abbreviated "DR" in event block names) generates events and registers from the status changes in the events listed below.
  • Page 281 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 4.6.6 Measurement recorder Measurements can be recorded to a file with the measurement recorder. The chosen measurements are recorded at selected intervals. In the "Measurement recorder" window, the measurements the user wants to be recorded can be selected by checking their respective check boxes.
  • Page 282 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.6.6 - 174. Measurement recorder values viewed with AQtivate PRO. Table. 4.6.6 - 229. 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...
  • Page 283 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Sec.Pha.Curr.IL3 U1Volt Pri TRMS L2 Exp.React.Ind.E.kvarh Sec.Res.Curr.I01 U2Volt Pri TRMS L2 Imp.React.Ind.E.Mvarh Sec.Res.Curr.I02 U3Volt Pri TRMS L2 Imp.React.Ind.E.kvarh Sec.Calc.I0 U4Volt Pri TRMS L2 Exp/Imp React.Ind.E.bal.Mvarh Pha.Curr.IL1 TRMS Sec Pos.Seq.Volt.Pri L2 Exp/Imp React.Ind.E.bal.kvarh Pha.Curr.IL2 TRMS Sec...
  • Page 284 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Res.I01 ampl. THD U4Volt Angle Imp.React.Cap.E.kvarh Res.I01 pow. THD Pos.Seq.Volt. Angle Exp/Imp React.Cap.E.bal.Mvarh Res.I02 ampl. THD Neg.Seq.Volt. Angle Exp/Imp React.Cap.E.bal.kvarh Res.I02 pow. THD Zero.Seq.Volt. Angle Exp.React.Ind.E.Mvarh P-P Curr.IL1 System Volt UL12 mag Exp.React.Ind.E.kvarh P-P Curr.IL2...
  • Page 285 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Sec.Pha.Curr.I”L1 System Volt U0 ang S7 Measurement Sec.Pha.Curr.I”L2 System Volt U1 ang S8 Measurement Sec.Pha.Curr.I”L3 System Volt U2 ang S9 Measurement Sec.Res.Curr.I”01 System Volt U3 ang S10 Measurement Sec.Res.Curr.I”02 System Volt U4 ang S11 Measurement...
  • Page 286 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Pha.IL”2 pow. THD L1 Exp/Imp Act. E balance kWh Curve3 Input Pha.IL”3 pow. THD L1 Exp.React.Cap.E.Mvarh Curve3 Output Res.I”01 ampl. THD L1 Exp.React.Cap.E.kvarh Curve4 Input Res.I”01 pow. THD L1 Imp.React.Cap.E.Mvarh Curve4 Output Res.I”02 ampl.
  • Page 287 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Figure. 4.6.7 - 175. 12 latest recordings can be accessed from HMI if "Fault registers" view has been enabled in "Carousel designer" tool. Measured input The function block uses analog current and voltage measurement values. Based on these values, the device calculates the primary and secondary values of currents, voltages, powers, and impedances as well as other values.
  • Page 288 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Currents Description IL1Ang, IL2Ang, IL3Ang, I01Ang, I02Ang, I0CalcAng, The angles of each measured current. I1Ang, I2Ang V V olta oltages Descrip Description tion UL1Mag, UL2Mag, UL3Mag, UL12Mag, UL23Mag, The magnitudes of phase voltages, of phase-to-phase voltages, and of UL31Mag residual voltages.
  • Page 289 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Currents Description Ref f2 The reference frequency 2. M thermal T The motor thermal temperature. F thermal T The feeder thermal temperature. T thermal T The transformer thermal temperature. RTD meas 1…16 The RTD measurement channels 1…16.
  • Page 290 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Table. 4.6.7 - 230. Reported values. Name Range Description • - • I> Trip • I>> Trip • I>>> Trip • I>>>> Trip • IDir> Trip • IDir>> Trip •...
  • Page 291 A A Q Q -C215 -C215 4 Functions Instruction manual Version: 2.12 Name Range Description • A(AB) • B(BC) • A-B(AB-BC) • C(CA) • A-C(AB-CA) • B-C(BC-CA) • A-B-C • Overfrequency Voltage fault type The voltage fault type. • Underfrequency •...
  • Page 292 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 5 Communication 5.1 Connections menu "Connections" menu is found under "Communication" menu. It contains all basic settings of ethernet port and RS-485 serial port included with every AQ-200 device as well as settings of communication option cards.
  • Page 293 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 Table. 5.1 - 233. Virtual Ethernet settings. Name Description Enable virtual adapter (No / Yes) Enable virtual adapter. Off by default. IP address Set IP address of the virtual adapter. Netmask Set netmask of the virtual adapter.
  • Page 294 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 Name Range Description • None • ModbutRTU • ModbusIO Protocol • IEC103 Communication protocol used by serial fiber channels. • SPA • DNP3 • IEC101 • Off Echo Enable or disable echo.
  • Page 295 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 5.2.1 Internal If no external time synchronization source is available the mode should be set to "internal". This means that the AQ-200 device clock runs completely on its own. Time can be set to the device with AQtivate setting tool with Commands →...
  • Page 296 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 Name Range Description NTP-processed 0...4294967295 Displays the number of messages processed by the NTP protocol. message count NOTICE! TICE! A unique IP address must be reserved for the NTP client. The device's IP address cannot be used.
  • Page 297 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 Name Range Step Default Description The device can be set to allow object control via • Remote IEC 61850 only from clients that are of category Control Station level control. This would mean that other Remote Control Authority switch •...
  • Page 298 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 Name Range Step Default Description • All • COM A Determines which ports can use GOOSE GOOSE Ethernet port • Double communication. Visible if double ethernet option ethernet card is found in the device.
  • Page 299 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 • logic editor • matrix • block settings • • • etc. These settings can be found from Control → Device IO → Logical Signals → GOOSE IN Description . Table.
  • Page 300 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 • Time Once the configuration file has been loaded, the user can access the Modbus map of the device via the AQtivate software ( Tools → Communication → Modbus Map ). Please note that holding registers start from 1.
  • Page 301 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 Name Range Step Default Description Slave address 1…254 Defines the IEC 103 slave address for the unit. Measurement interval 0…60 000 ms 1 ms 2000 ms Defines the interval for the measurements update. 5.3.4 IEC 101/104 The standards IEC 60870-5-101 and IEC 60870-5-104 are closely related.
  • Page 302 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 Name Range Step Default Description Common Defines the common address of the application service data unit address 0…65 534 (ASDU) for the IEC 104 communication protocol. of ASDU APDU The maximum amount of time the slave waits for a transmitted timeout...
  • Page 303 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 Name Range Step Default Description Reactive 0.1…1000.0kVar 0.1kVar 2kVar energy deadband Active power deadband 0.1…1000.0kW 0.1kW Reactive 0.1…1000.0kVar 0.1kVar 2kVar power deadband Apparent 0.1…1000.0kVA 0.1kVA 2kVA power deadband Power factor deadband 0.01…0.99 0.01...
  • Page 304 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 NOTICE! TICE! To access SPA map and event list, an .aqs configuration file should be downloaded from the device. 5.3.6 DNP3 DNP3 is a protocol standard which is controlled by the DNP Users Group (www.dnp.org). The implementation of a DNP3 slave is compliant with the DNP3 subset (level) 2, but it also contains some functionalities of the higher levels.
  • Page 305 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 Default variations Table. 5.3.6 - 253. Default variations. Name Range Default Description • Var 1 Group 1 variation (BI) Var 1 Selects the variation of the binary signal. •...
  • Page 306 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 Name Range Step Default Description Reactive 0.1…1000.0kVar 0.1kVar 2kVar power deadband Apparent 0.1…1000.0kVA 0.1kVA 2kVA power deadband Power factor deadband 0.01…0.99 0.01 0.05 Frequency deadband 0.01…1.00Hz 0.01Hz 0.1Hz Current deadband 0.01…50.00A 0.01A...
  • Page 307 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 Table. 5.3.7 - 256. Channel settings. Name Range Step Default Description • +/- 20mA • 4…20mA Selects the thermocouple or the mA input connected to the • Type J I/O module.
  • Page 308 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 Measurable values Function block uses analog current and voltage measurement values. The device uses these values as the basis when it calculates the primary and secondary values of currents, voltages, powers, impedances and other values.
  • Page 309 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 Signals Description tanfi3PH tanfiL1 Tan (φ) of three-phase powers and phase powers. tanfiL2 tanfiL3 cosfi3PH cosfiL1 Cos (φ) of three-phase powers and phase powers. cosfiL2 cosfiL3 Impedances and admittances RL12, RL23, RL31 XL12, XL23, XL31 RL1, RL2, RL3...
  • Page 310 A A Q Q -C215 -C215 5 Communication Instruction manual Version: 2.12 Name Range Step Default Description Scale current • No Selects whether or not values are scaled to values to primary • Yes primary. • Currents • Voltages Slot X magnitude •...
  • Page 311 A A Q Q -C215 -C215 6 Connections and application examples Instruction manual Version: 2.12 6 Connections and application examples 6.1 Connections of AQ-C215 Figure. 6.1 - 176. AQ-C215 application example with function block diagram. 6.2 Application example and its connections This chapter presents an application example for the capacitor bank protection relay.
  • Page 312 A A Q Q -C215 -C215 6 Connections and application examples Instruction manual Version: 2.12 Figure. 6.2 - 177. Application example and its connections. © Arcteq Relays Ltd IM00040...
  • Page 313 A A Q Q -C215 -C215 6 Connections and application examples Instruction manual Version: 2.12 Figure. 6.2 - 178. Application example and its connections in double wye bank. 6.3 Two-phase, three-wire ARON input connection This chapter presents the two-phase, three-wire ARON input connection for any AQ-200 series device with a current transformer.
  • Page 314 A A Q Q -C215 -C215 6 Connections and application examples Instruction manual Version: 2.12 Figure. 6.3 - 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 315 A A Q Q -C215 -C215 6 Connections and application examples Instruction manual Version: 2.12 Figure. 6.4 - 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 316 A A Q Q -C215 -C215 6 Connections and application examples Instruction manual Version: 2.12 Figure. 6.4 - 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 output releases.
  • Page 317 A A Q Q -C215 -C215 6 Connections and application examples Instruction manual Version: 2.12 The trip circuit with a latched output contact can be monitored, but only when the circuit breaker's status is "Closed". Whenever the breaker is open, the supervision is blocked by an internal logic scheme.
  • Page 318 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 7 Construction and installation 7.1 Construction AQ-X215 is a member of the modular and scalable AQ-200 series, and it includes three (3) configurable and modular add-on card slots. As a standard configuration the device includes the CPU module (which consists of the CPU, a number of inputs and outputs, and the power supply) as well as one separate voltage measurement module and one separate current measurement module.
  • Page 319 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 The figure below presents the start-up hardware scan order of the device as well as the I/O naming principles. Figure. 7.1 - 186. AQ-X215 hardware scanning and I/O naming principles. 1.
  • Page 320 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 6. Scan Scans Slot E, and moves to the next slot if Slot E is empty. If the scan finds an 8DI module, it reserves the designations "DI4", "DI5", "DI6", "DI7", "DI8", "DI9", "DI10" and "DI11" to this slot. If Slot C also has an 8DI module (and therefore has already reserved these designations), the device reserves the designations "DI12", "DI13", "DI14", "DI15", "DI16", "DI17", "DI18"...
  • Page 321 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 Module connectors Table. 7.2 - 260. Module connector descriptions. Connector Description Communication port A, or the RJ-45 port. Used for the setting tool connection and for IEC 61850, COM A Modbus/TCP, IEC 104, DNP3 and station bus communications.
  • Page 322 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 Digital inputs 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. All digital inputs are scannced in 5 ms program cycles, and their pick-up and release delays as well as their NO/NC selection can be set with software.
  • Page 323 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 Scanning cycle All digital inputs are scanned in a 5 ms cycle, meaning that the state of an input is updated every 0…5 milliseconds. When an input is used internally in the device (either in setting group change or logic), it takes additional 0…5 milliseconds to operate.
  • Page 324 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 • Fine residual current 1 mA…75 A (RMS) The characteristics of phase current inputs are as follows: • The angle measurement inaccuracy is less than ± 0.2 degrees with nominal current. •...
  • Page 325 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 • The quantization of the measurement signal is applied with 18-bit AD converters, and the sample rate of the signal is 64 samples/cycle when the system frequency ranges from 6 Hz to 75 Hz. For further details please refer to the "Voltage measurement"...
  • Page 326 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 The DI8 module is an add-on module with eight (8) galvanically isolated digital inputs. This module can be ordered directly to be installed into the device in the factory, or it can be upgraded in the field after the device's original installation when required.
  • Page 327 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 The user can set the activation threshold individually for each digital input. When the activation and release thresholds have been set properly, they will result in the digital input states to be activated and released reliably.
  • Page 328 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 7.5.2 Digital output module (optional) Figure. 7.5.2 - 192. Digital output module (DO5) with five add-on digital outputs. Connector Description X 1–2 OUTx + 1 (1 and 2 pole NO) X 3–4...
  • Page 329 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 • block settings • • • etc. Table. 7.5.2 - 266. Digital output user description. Name Range Default Description User editable 1...31 Description of the digital output. This description is used in several OUTx description OUTx characters...
  • Page 330 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 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. This module can be ordered directly to be installed into the device in the factory, or it can be upgraded in the field after the device's original installation when required.
  • Page 331 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 7.5.4 RTD input module (optional) Figure. 7.5.4 - 194. RTD input module connectors. 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.
  • Page 332 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 Figure. 7.5.4 - 195. RTD sensor connection types. 7.5.5 Serial RS-232 communication module (optional) Figure. 7.5.5 - 196. Serial RS-232 module connectors. © Arcteq Relays Ltd IM00040...
  • Page 333 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 Table. 7.5.5 - 268. Module connections. Connector Pin Name Description • Serial-based communications • Port options: ◦ Glass/glass ◦ Plastic/plastic ◦ Glass/plastic COM E Serial fiber ◦...
  • Page 334 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 7.5.6 LC or RJ45 100 Mbps Ethernet communication module (optional) Figure. 7.5.6 - 197. LC and RJ45 100 Mbps Ethernet module connectors. Connector Description (LC ports) Description (RJ45) •...
  • Page 335 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 7.5.7 Double ST 100 Mbps Ethernet communication module (optional) Figure. 7.5.7 - 198. Double ST 100 Mbps Ethernet communication module connectors. Connector Description Two-pin connector • IRIG-B input •...
  • Page 336 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 Figure. 7.5.7 - 199. Example of a multidrop configuration. 7.5.8 Double RJ45 10/100 Mbps Ethernet communication module (optional) Figure. 7.5.8 - 200. Double RJ-45 10/100 Mbps Ethernet communication module. Connector Description Two-pin connector...
  • Page 337 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 Connector Description • Two Ethernet ports RJ-45 connectors • RJ-45 connectors • 10BASE-T and 100BASE-TX This option card supports multidrop configurations. Figure. 7.5.8 - 201. Example of a multidrop configuration. 7.5.9 Milliampere output (mA) I/O module (optional) Figure.
  • Page 338 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 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 mA OUT 2 –...
  • Page 339 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 Figure. 7.6 - 203. Device dimensions. Figure. 7.6 - 204. Device installation. © Arcteq Relays Ltd IM00040...
  • Page 340 A A Q Q -C215 -C215 7 Construction and installation Instruction manual Version: 2.12 Figure. 7.6 - 205. Panel cutout dimensions and device spacing. © Arcteq Relays Ltd IM00040...
  • Page 341 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 8 Technical data 8.1 Hardware 8.1.1 Measurements 8.1.1.1 Current measurement Table. 8.1.1.1 - 269. Technical data for the current measurement module. General information Spare part code #SP-2XX-CM Compatibility AQ-210 and AQ-250 series models Connections...
  • Page 342 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 25 A (continuous) 100 A (for 10 s) Thermal withstand 500 A (for 1 s) 1250 A (for 0.01 s) Frequency measurement From 6…75 Hz fundamental, up to the 31 harmonic current range Current measurement range...
  • Page 343 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 8.1.1.2 Voltage measurement Table. 8.1.1.2 - 270. Technical data for the voltage measurement module. General information Spare part code #SP-2XX-VT Compatibility AQ 200 series and AQ 250 series models Connection Measurement channels/VT inputs 4 independent VT inputs (U1, U2, U3 and U4)
  • Page 344 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Voltage inputs Phase current inputs: I (A), I (B), I Current inputs (back-up frequency) Pick-up 2.00…50.00 %U , setting step 0.01 x %U Pick-up voltage setting Pick-up current setting (optional) 0.01…50.00 ×...
  • Page 345 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 8.1.1.5 Frequency measurement Table. 8.1.1.5 - 273. Frequency measurement accuracy. Frequency measurement performance Frequency measuring range 6…75 Hz fundamental, up to the 31 harmonic current or voltage Inaccuracy <1 mHz 8.1.2 CPU &...
  • Page 346 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Table. 8.1.2.1 - 276. Power supply model B Rated values Rated auxiliary voltage 18…72 VDC < 7 W (no option cards) Power consumption < 15 W (maximum number of option cards) Maximum permitted interrupt time <...
  • Page 347 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Table. 8.1.2.2 - 279. Rear panel system communication port B. Port 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...
  • Page 348 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Breaking capacity, DC (L/R = 40 ms) at 48 VDC at 110 VDC 0.4 A at 220 VDC 0.2 A Control rate 5 ms Settings Polarity Software settable: Normally Open / Normally Closed Table.
  • Page 349 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Scanning rate 5 ms Activation/release delay 5...11 ms Settings Pick-up threshold Software settable: 16…200 V, setting step 1 V Release threshold Software settable: 10…200 V, setting step 1 V Pick-up delay Software settable: 0…1800 s Drop-off delay...
  • Page 350 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Solid or stranded wire Nominal cross section 2.5 mm 8.1.3.3 Point sensor arc protection module Table. 8.1.3.3 - 285. Technical data for the point sensor arc protection module. General information Spare part code #SP-2XX-ARC...
  • Page 351 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Nominal voltage 24 VDC ≥16 VDC Pick-up threshold Release threshold ≤15 VDC Scanning rate 5 ms Polarity Normally Off Current drain 3 mA Table. 8.1.3.3 - 288. Terminal block connections Arc point sensor terminal block connections Spring cage terminal block Phoenix Contact DFMC 1,5/ 6-STF-3,5...
  • Page 352 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 mA input scaling range 0...4000 mA Output scaling range -1 000 000.0000…1 000 000.0000, setting step 0.0001 mA output Inaccuracy @ 0...24 mA ±0.01 mA Response time @ 5 ms cycle [fixed] <...
  • Page 353 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Compatibility AQ-200 series & AQ-250 series models Ports RS-232 Serial fiber (GG/PP/GP/PG) Serial port wavelength 660 nm Cable type 1 mm plastic fiber Terminal block connections Spring cage terminals block Phoenix Contact DFMC 1,5/ 6-STF-3,5 Solid or stranded wire Nominal cross section...
  • Page 354 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Ports ST connectors (2) and IRIG-B connector (1) Protocols Protocols IEC61850, DNP/TCP, Modbus/TCP, IEC104 & FTP ST connectors Duplex ST connectors Connector type 62.5/125 μm or 50/125 μm multimode fiber 100BASE-FX Transmitter wavelength 1260…1360 nm (nominal: 1310 nm)
  • Page 355 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 8.2 Functions 8.2.1 Protection functions 8.2.1.1 Capacitor bank overload protection (Icol>; 49OL) Table. 8.2.1.1 - 295. Technical data for the capacitor bank overload function. Input signals Current inputs Phase current inputs: I (A), I (B), I...
  • Page 356 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Instant reset time and start-up reset <50 ms NOTICE! TICE! The release delay does no not t apply to phase-specific tripping! 8.2.1.2 Capacitor bank current unbalance protection (Iuc>; 46C) Table.
  • Page 357 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Reset time setting 0.010…10.000 s, step 0.005 s Inaccuracy: Reset time ±1.0 % or ±50 ms Instant reset time and start-up reset <50 ms 8.2.1.3 Non-directional overcurrent protection (I>; 50/51) Table.
  • Page 358 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Instant reset time and start-up reset <50 ms NOTICE! TICE! The release delay does no not t apply to phase-specific tripping! 8.2.1.4 Non-directional earth fault protection (I0>; 50N/51N) Table.
  • Page 359 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Reset Reset ratio 97 % of the pick-up current setting Reset time setting 0.010…10.000 s, step 0.005 s Inaccuracy: Reset time ±1.0 % or ±50 ms Instant reset time and start-up reset <50 ms NOTICE! TICE!
  • Page 360 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Instant operation time Start time and instant operation time (trip): ratio > 1.05 <70 ms Reset Reset ratio 97 % of the pick-up setting Reset time setting 0.010…10.000 s, step 0.005 s Inaccuracy: Reset time ±1.5 % or ±60 ms...
  • Page 361 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Reset Reset ratio 95 % of the pick-up setting 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 NOTICE! TICE!
  • Page 362 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Reset ratio 97 % of the pick-up current setting Reset time <50 ms 8.2.1.8 Overvoltage protection (U>; 59) Table. 8.2.1.8 - 302. Technical data for the overvoltage function. Measurement inputs Voltage inputs (+ U...
  • Page 363 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 8.2.1.9 Undervoltage protection (U<; 27) Table. 8.2.1.9 - 303. Technical data for the undervoltage function. Measurement inputs Voltage inputs (+ U Voltage input magnitudes RMS line-to-line or line-to-neutral voltages Pick-up 1 voltage Pick-up terms...
  • Page 364 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 NOTICE! TICE! The low-voltage block is not in use when its pick-up setting is set to 0 %. The undervoltage function trip signal is active when the LV block is disabled and the device has no voltage injection.
  • Page 365 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Instant reset time and start-up reset <50 ms 8.2.1.11 Sequence voltage protection (U1/U2>/<; 47/27P/59NP) Table. 8.2.1.11 - 305. Technical data for the sequence voltage function. Measurement inputs Voltage inputs (+ U Positive sequence voltage (I1)
  • Page 366 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 8.2.1.12 Line thermal overload protection (TF>; 49F) Table. 8.2.1.12 - 306. Technical data for the line thermal overload protection function. Measurement inputs Current inputs Phase current inputs: I (A), I (B), I Current input magnitudes...
  • Page 367 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 8.2.1.14 Arc fault protection (IArc>/I0Arc>; 50Arc/50NArc) (optional) Table. 8.2.1.14 - 308. Technical data for the arc fault protection function. Measurement inputs Phase current inputs: I (A), I (B), I Residual current channel I (Coarse)
  • Page 368 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Control mode Local Any binary 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 8.2.2.2 Object control and monitoring...
  • Page 369 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Signals Digital inputs Input signals Software signals 8.2.2.4 Switch-on-to-fault (SOTF) Table. 8.2.2.4 - 312. Technical data for the switch-on-to-fault function. Initialization signals SOTF activate input Any blocking input signal (Object closed signal, etc.) Pick-up SOTF function input Any blocking input signal (I>...
  • Page 370 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Inaccuracy: ±0.5 %I or ±15 mA (0.10…4.0 × I - Starting IL1, IL2, IL3 ±1.0 %I2 / I1 or ±100 mA (0.10…4.0 × I - Starting I2/I1 - Starting I01 (1 A) ±0.5 %I0 or ±3 mA (0.005…10.0 ×...
  • Page 371 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Reset ratio 97/103 % of the pick-up voltage setting Reset time setting 0.010…10.000 s, step 0.005 s Inaccuracy: Reset time ±2.0 % or ±80 ms Instant reset time and start-up reset <50 ms VTS MCB trip bus/line (external input) <50 ms...
  • Page 372 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Time delay Definite time function operating time setting for 0.00…1800.00 s, setting step 0.005 s all timers Inaccuracy: - Definite time operating time ±0.5 % or ±10 ms - Instant operating time, when I ratio >...
  • Page 373 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 8.3 Tests and environmental Electrical environment compatibility Table. 8.3 - 319. Disturbance tests. All tests CE-approved and tested according to EN 60255-26 Emissions Conducted emissions: 150 kHz…30 MHz EN 60255-26 Ch.
  • Page 374 A A Q Q -C215 -C215 8 Technical data Instruction manual Version: 2.12 Table. 8.3 - 322. Environmental tests. Damp heat (cyclic) EN 60255-1, IEC 60068-2-30 Operational: +25…+55 °C, 93…97 % (RH), 12+12h Dry heat Storage: +70 °C, 16 h EN 60255-1, IEC 60068-2-2 Operational: +55 °C, 16 h Cold test...
  • Page 375 A A Q Q -C215 -C215 9 Ordering information Instruction manual Version: 2.12 9 Ordering information Accessories Order Descrip Description tion Not t e e code code © Arcteq Relays Ltd IM00040...
  • Page 376 A A Q Q -C215 -C215 9 Ordering information Instruction manual Version: 2.12 External 6-channel 2 or 3 wires RTD Input module, pre- Requires an external 24 VDC AX007 configured supply. External 8-ch Thermocouple mA Input module, pre- Requires an external 24 VDC AX008 configured supply.
  • Page 377 A A Q Q -C215 -C215 10 Contact and reference information Instruction manual Version: 2.12 10 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 Website: arcteq.com Technical support:...