ensto Arcteq AQ-F201 Instruction Manual

Overcurrent and earth fault relay
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AQ-F201
Overcurrent and earth fault relay
Instruction manual

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Summary of Contents for ensto Arcteq AQ-F201

  • Page 1 AQ-F201 Overcurrent and earth fault relay Instruction manual...
  • Page 2: Table Of Contents

    A A Q Q -F201 -F201 Instruction manual Version: 2.11 Table of contents 1 Document inf 1 Document informa ormation tion ..............................................5 5 1.1 Version 2 revision notes ......................5 1.2 Version 1 revision notes ......................8 1.3 Safety information ........................9 1.4 Abbreviations........................
  • Page 3 A A Q Q -F201 -F201 Instruction manual Version: 2.11 5.2 Time synchronization ......................204 5.2.1 Internal ........................205 5.2.2 NTP......................... 205 5.3 Communication protocols ....................206 5.3.1 Modbus/TCP and Modbus/RTU ................206 5.3.2 IEC 103 ........................207 5.3.3 IEC 101/104 ......................207 5.3.4 SPA.........................
  • Page 4 A A Q Q -F201 -F201 Instruction manual Version: 2.11 10 Contact and r 10 Contact and re e f f er erence inf ence informa ormation tion....................................251 © Arcteq Relays Ltd IM00012...
  • Page 5 A A Q Q -F201 -F201 Instruction manual Version: 2.11 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: Document Inf

    A A Q Q -F201 -F201 1 Document information Instruction manual Version: 2.11 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 -F201 -F201 1 Document information Instruction manual Version: 2.11 - 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 measurement values (powers, impedances, angles etc.).
  • Page 8 A A Q Q -F201 -F201 1 Document information Instruction manual Version: 2.11 - Improved descriptions generally in many chapters. - Improved readability of a lot of drawings and images. - Order codes have been revised. Changes - Added new trip detections and fault types to measurement value recorder. - Added user description parameter descriptions for digital inputs, digital outputs, logical inputs, logical outputs and GOOSE inputs.
  • Page 9: Version 1 Revision Notes

    A A Q Q -F201 -F201 1 Document information Instruction manual Version: 2.11 1.2 Version 1 revision notes Table. 1.2 - 2. Version 1 revision notes Revision 1.00 Date 8.1.2013 Changes • The first revision for AQ-F201. Revision 1.01 Date 22.11.2013 •...
  • Page 10: Safety Information

    A A Q Q -F201 -F201 1 Document information Instruction manual Version: 2.11 Date 12.12.2017 • Measurement value recorder description added. • ZCT connection added to the current measurement description. • Ring-lug CT card option description added. Changes • Order code revised. •...
  • Page 11: Abbreviations

    A A Q Q -F201 -F201 1 Document information Instruction manual Version: 2.11 These symbols are added throughout the document to ensure all users' personal safety and to avoid unintentional damage to the equipment or connected devices. Please note that although these warnings relate to direct damage to personnel and/or equipment, it should be understood that operating damaged equipment may also lead to further, indirect damage to personnel and/or equipment.
  • Page 12 A A Q Q -F201 -F201 1 Document information Instruction manual Version: 2.11 HV – High voltage HW – Hardware IDMT – Inverse definite minimum time IGBT – Insulated-gate bipolar transistor I/O – Input and output IRIG-B – Inter-range instruction group, timecode B LCD –...
  • Page 13: General

    A A Q Q -F201 -F201 2 General Instruction manual Version: 2.11 2 General AQ-F201 overcurrent and earth fault device is a member of the AQ 200 product line. However, while the hardware and the software are modular in the AQ 200 product line, AQ-F201 is provided as a fixed overcurrent and earth fault device with a factory set of I/O and functionality.
  • Page 14: Device User Int Vice User Interface Erface

    A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 15: Mimic And Main Menu

    A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 16: Navigation In The Main Configuration Menus

    A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 17 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 Figure. 3.3 - 4. General menu structure. Device info Figure. 3.3 - 5. Device info. © Arcteq Relays Ltd IM00012...
  • Page 18 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 Table. 3.3 - 3. Parameters and indications in the General menu. Name Range Step Default Description Device name Unitname The file name uses these fields when loading the .aqs configuration file from the AQ-200 Device location Unitlocation...
  • Page 19 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 20: Protection Menu

    A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 21 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 22 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 23 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 24 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 25 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 26: Control Menu

    A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 27 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 28 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 • 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 29 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 30 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 • 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 31 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 32 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 33 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 34 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 35 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 36 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 37 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 38 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 39 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 40 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 41: Communication Menu

    A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 NOTICE! TICE! Please refer to the "Communication" chapter for a more detailed description of the use of logical signals. 3.6 Communication menu Figure. 3.6 - 39. Communication menu. The Communication main menu includes four submenus (as seen in the figure above): Connections , Protocols, General IO and Realtime signals to Comm .
  • Page 42 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 43 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 44: Measurement Menu

    A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 45 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 46 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 Frequency measurements use the fixed sampling mode as the default, and "System nominal frequency" should be set to the desired level. When "Sampling mode" is set to "Tracking", the device uses the measured frequency value as the system nominal frequency.
  • Page 47: Monitoring Menu

    A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 Phasors Figure. 3.7 - 47. Phasors submenu. The Phasors submenu holds the vector displays for voltages and currents, as well as the various calculated components the device may have (e.g. power, impedance). Phasors are helpful when solving incorrect wiring issues.
  • Page 48 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 Monitors enabled Figure. 3.8 - 49. Monitors enabled submenu. You can activate the selected monitor functions in the Monitors enabled submenu. By default all the control functions are disabled. All activated functions can be viewed in the Monitor functions submenu (see the section "Monitor functions"...
  • Page 49 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 Disturbance recorder Figure. 3.8 - 51. Disturbance recorder settings. The Disturbance recorder submenu has the following settings: • "Recorder enabled" enables or disables the recorder. • "Recorder status" indicates the status of the recorder. •...
  • Page 50: Configuring User Levels And Their Passwords

    A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 • 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 51 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 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 52 A A Q Q -F201 -F201 3 Device user interface Instruction manual Version: 2.11 • 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 53: Functions Unctions

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 4 Functions 4.1 Functions included in AQ-F201 The AQ-F201 overcurrent and earth fault device includes the following functions as well as the number of stages for those functions. Table.
  • Page 54: Measurements

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Name ANSI Description Total harmonic distortion MREC Measurement recorder VREC Measurement value recorder 4.2 Measurements 4.2.1 Current measurement and scaling The current measurement module (CT module, or CTM) is used for measuring the currents from current transformers.
  • Page 55 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 P P RI: RI: The primary current, i.e. the current which flows in the primary circuit and through the primary side of the current transformer. SEC: SEC: The secondary current, i.e. the current which the current transformer transforms according to its ratios.
  • Page 56 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.2.1 - 54. Connections. The following table presents the initial data of the connection. Table. 4.2.1 - 7. Initial data. P P ha hase curr se current C ent CT T : : R R ing cor ing core C...
  • Page 57 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.2.1 - 55. Setting the phase current transformer scalings to CT nominal. Once the setting have been sent to the device, device calculates the scaling factors and displays them for the user.
  • Page 58 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 The phase current CTs are connected to the module via a Holmgren (summing) connection, which requires the use of coarse residual current measurement settings: the "I01 CT" settings are set according to the phase current CTs' ratings (100/5 A).
  • Page 59 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.2.1 - 60. Scalings display (based on the protected object's nominal current). As the images above show, the scaling selection does not affect how primary and secondary currents are displayed (as actual values).
  • Page 60 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 W W ARNING! ARNING! If you work with energized CTs, extreme caution needs to be taken when checking the connections! An opened CT secondary circuit may generate dangerously high voltages. A "buzzing"...
  • Page 61 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.2.1 - 62. 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 62 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.2.1 - 63. Common network rotation (mixed phases) problems. Settings Table. 4.2.1 - 8. Settings of the Phase CT scaling. Name Range Step Default Description Scale • CT nom p.u. •...
  • Page 63 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 64 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.2.1 - 11. 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 65 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.2.1 - 15. 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 66 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.2.1 - 18. 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 67 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 - 22. Sequence phase angle measurements. Name Unit Range...
  • Page 68: Frequency Tracking And Scaling

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 4.2.2 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 69 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 70 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 71: General Menu

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 72 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.3 - 27. 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 73: Protection Functions

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 74 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.4.1 - 29. 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 75 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Pick-up settings The I setting parameter controls the 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 76 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Name Range Step Description meas The ratio between the highest measured phase current and the 0.00...1250.00 0.01 at the pick-up value. moment Function blocking The block signal is checked in the beginning of each program cycle. The blocking signal is received from the blocking matrix in the function's dedicated input.
  • Page 77 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Event block name Event names NOC1...NOC3 Trip ON NOC1...NOC3 Trip OFF NOC1...NOC3 Block ON NOC1...NOC3 Block OFF NOC1...NOC3 Phase A Start ON NOC1...NOC3 Phase A Start OFF NOC1...NOC3 Phase B Start ON NOC1...NOC3 Phase B Start OFF...
  • Page 78: Non-Directional Earth Fault Protection (I0>; 50N/51N)

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 4.4.2 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 decisions are based on the selected neutral current magnitude which the function constantly measures.
  • Page 79 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.4.2 - 37. General settings of the function. Name Range Default Description Setting • Disabled Activating this parameter permits changing the pick-up level of the control from Default •...
  • Page 80 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Name Range Step Description Angle of I0 against reference. If phase voltages are available, Detected positive sequence voltage angle is used as reference. If -360.00...360.00deg 0.01deg I0 angle voltages are not available, positive sequence current angle is used as reference.
  • Page 81 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Operating time characteristics for trip and reset This function supports definite time delay (DT) and inverse definite minimum time delay (IDMT). For detailed information on these delay types please refer to the chapter "General properties of a protection function"...
  • Page 82: Negative Sequence Overcurrent/ Phase Current Reversal/ Current Unbalance Protection (I2>; 46/46R/46L)

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 4.4.3 Negative sequence overcurrent/ phase current reversal/ current unbalance protection (I2>; 46/46R/46L) The current unbalance function is used for instant and time-delayed unbalanced network protection and for detecting broken conductors. The number of stages in the function depends on the relay model.
  • Page 83 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Signal Description Time base Fundamental frequency component of phase L1 (A) current measurement 5 ms Fundamental frequency component of phase L2 (B) current measurement 5 ms Fundamental frequency component of phase L3 (C) current measurement 5 ms General settings The following general settings define the general behavior of the function.
  • Page 84 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.4.3 - 45. Information displayed by the function. Name Range Description • Normal • Start I2> condition Displays the status of the protection function. • Trip • Blocked Function blocking The block signal is checked in the beginning of each program cycle.
  • Page 85 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.3 - 67. Operation characteristics curve for I2 > Curve2. For a more detailed description on the time characteristics and their setting parameters, please refer to the "General properties of a protection function" chapter and its "Operating time characteristics for trip and reset"...
  • Page 86: Harmonic Overcurrent Protection (Ih>; 50H/51H/68H)

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Event block name Event names CUB1 Start OFF CUB1 Trip ON CUB1 Trip OFF CUB1 Block ON CUB1 Block OFF The function registers its operation into the last twelve (12) time-stamped registers. The register of the function records the ON event process data for START, TRIP or BLOCKED.
  • Page 87 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.4 - 68. 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 88 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 89 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 90 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Name Range Default Description • 2 harmonic • 3 harmonic • 4 harmonic • 5 harmonic • 6 harmonic • 7 Harmonic harmonic Selects the monitored harmonic component. selection harmonic •...
  • Page 91 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.4.4 - 50. Pick-up settings. Name Range Step Default Description Pick-up setting 0.05…2.00×I 0.01×I 0.20×I Ihset pu (per unit monitoring) 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.
  • Page 92 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Operating time characteristics for trip and reset This function supports definite time delay (DT) and inverse definite minimum time delay (IDMT). For detailed information on these delay types please refer to the chapter "General properties of a protection function"...
  • Page 93: Circuit Breaker Failure Protection (Cbfp; 50Bf/52Bf)

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 4.4.5 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 94 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 95 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.4.5 - 57. 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 96 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.4.5 - 59. Information displayed by the function. Name Range Description • Normal • Start CBFP condition • ReTrip Displays status of the protection function. • CBFP On •...
  • Page 97 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Trip, Retrip and CBFP in the device configuration Figure. 4.4.5 - 70. 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 98 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.5 - 71. 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 99 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.5 - 72. 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 100 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.5 - 73. 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 101 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Trip and CBFP in the device configuration Figure. 4.4.5 - 74. 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 102 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.5 - 75. 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 103 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.5 - 76. 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 104 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.5 - 77. 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 105 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Device configuration as a dedicated CBFP unit Figure. 4.4.5 - 78. Wiring diagram when the device is configured as a dedicated CBFP unit. © Arcteq Relays Ltd IM00012...
  • Page 106 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 107: Line Thermal Overload Protection (Tf>; 49F)

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 108 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 The function constantly monitors the instant values of phase TRMS currents (including harmonics up to ) and calculates the set thermal replica status in 5 ms cycles. The function includes a total memory function of the load current conditions according to IEC 60255-8.
  • Page 109 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.6 - 80. Example of thermal image calculation with nominal conditions. The described behavior is based on the assumption that the monitored object (whether a cable, a line or an electrical device) has a homogenous body which generates and dissipates heat with a rate proportional to the temperature rise caused by the current squared.
  • Page 110 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Where: • t = Measured (or set) ambient temperature (can be set in ̊ C or in ̊ F ) • t = Maximum temperature (can be set in ̊ C or in ̊ F ) for the protected object •...
  • Page 111 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.6 - 82. Example of the relationship between ground temperature and correction factor. The temperature coefficient may be informed in a similar manner to the figure above in a datasheet provided by the manufacturer.
  • Page 112 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.6 - 84. 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 113 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.6 - 85. 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 114 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.6 - 86. 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 115 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.6 - 87. Example of correction factors for the current-carrying capacity as given by a manufacturer. © Arcteq Relays Ltd IM00012...
  • Page 116 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 117 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.6 - 88. 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 118 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.6 - 89. 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 119 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Therefore, the settings are as follows: • I = 680 A • T = 90 ̊ C • T = 15 ̊ C • T = 15 ̊ C •...
  • Page 120 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.6 - 91. 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 121 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 122 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.4.6 - 92. 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 123 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.4.6 - 65. Settings for thermal replica. Name Range Step Default Description thermal The current for the 100 % thermal capacity to be used (the 0.10…40.00xI 0.01xI 1.00xI pick-up current in p.u., with t achieved in time τ...
  • Page 124 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 125 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 126 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 127 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Name Range Description • Nominal current calc TF> • Nominal Indicates if nominal current calculation is set wrong and actually used setting is Setting current set 1.0. Visible only when there is a setting fault. alarm fault.
  • Page 128 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Name Description / values Restart inhibits The number of times the function has activated the Restart inhibit output Trips The number of times the function has tripped Trips Blocked The number of times the function trips has been blocked Events and registers The line thermal overload protection function (abbreviated "TOLF"...
  • Page 129: Control Functions

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Name Description Active meas. current T at a given moment Max. temp. rise allowed degrees Temp. rise at a given moment degrees Hot spot estimate degrees Hot spot maximum allowed degrees Trip delay rem.
  • Page 130 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 131 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 132 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 133 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 134 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.5.1 - 97. 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 135 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.5.1 - 98. 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 136: Object Control And Monitoring

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 137 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.5.2 - 99. 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 138 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 139 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.5.2 - 77. 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 140 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.5.2 - 79. 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 141 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 142 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 143 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Event block name Description OBJ1 Open Command Fail OBJ1 Close Command Fail OBJ1 Final trip On OBJ1 Final trip Off OBJ1 Contact Abrasion Alarm On OBJ1 Contact Abrasion Alarm Off OBJ1 Switch Operating Time Exceeded On OBJ1...
  • Page 144: Cold Load Pick-Up (Clpu)

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 4.5.3 Cold load pick-up (CLPU) The cold load pick-up function is used for detecting so-called cold load situations, where a loss of load diversity has occured after distribution has been re-energized. The characteristics of cold load situations vary according to the types of loads individual feeders have.
  • Page 145 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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. 4.5.3 - 84. Pick-up settings. Name Range Step...
  • Page 146 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.5.3 - 86. Setting parameters for operating time characteristics. Name Range Step Default Description The function's start timer which defines how long the I 0.000…1800.000s 0.005s 10.000s condition has to last before the cold load pick-up is activated.
  • Page 147 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 In the example above, the cold load pick-up function activates after the measured current dips below the I setting and has been there for T amount of time. When the current exceeds the I setting high value, a timer starts counting towards the T...
  • Page 148 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.5.3 - 104. Example of timers and pick-up parameters (activated pick-up and instant release due to overcurrent). In the example above, the cold load pick-up function activates after the measured current dips below the I setting and has been there for T amount of time.
  • Page 149 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.5.3 - 105. Example of timers and pick-up parameters (activated pick-up and instant release due to too long starting). In the example above, the cold load pick-up function activates after the measured current has stayed below the I setting for a T amount of time.
  • Page 150 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.5.3 - 106. Example of timers and pick-up parameters (no inrush current detected in the starting). In the example above, the cold load pick-up function activates after the measured current has stayed below the I setting for a T amount of time.
  • Page 151 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.5.3 - 107. Example of timers and pick-up parameters (an inrush current detected during T time). In the example above, the cold load pick-up function activates after the measured current has stayed below the I setting for a T amount of time.
  • Page 152: Switch-On-To-Fault (Sotf)

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Event block name Event names CLP1 HighStart OFF CLP1 LoadNormal ON CLP1 LoadNormal OFF CLP1 Overcurrent ON CLP1 Overcurrent OFF CLP1 CLPUActivated ON CLP1 CLPUActivated OFF CLP1 Block ON CLP1 Block OFF The function registers its operation into the last twelve (12) time-stamped registers.
  • Page 153 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.5.4 - 108. Simplified function block diagram of the switch-on-to-fault function. Input signals The function block does not use analog measurement inputs. Instead, its operation is based entirely on binary signal statuses.
  • Page 154 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Name Range Default Description Release time 0.000…1800.000s 1.000s The time the function is active after triggering. for SOTF 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 155: Programmable Control Switch

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 The function registers its operation into the last twelve (12) time-stamped registers. The register of the function records the ON process data of ACTIVATED events. The table below presents the structure of the function's register content.
  • Page 156: Analog Input Scaling Curves

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.5.5 - 95. Settings. Name Range Default Description The user-settable name of the selected switch. The name Switch name Switchx can be up to 32 characters long. •...
  • Page 157 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 • mA input in "4x mA input & 1x mA output" option cards • Digital input voltages Table. 4.5.6 - 97. Main settings (input channel). Name Range Step Default Description Analog input...
  • Page 158 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Name Range Step Default Description -1 000 Displays the input measurement received by the Curve 1...10 input 000.00...1 000 0.00001 - curve. 000.00 -1 000 Defines the maximum input of the curve. If input Curve1...10 input 000.00...1 000 0.00001 0...
  • Page 159: Logical Outputs

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Name Range Step Default Description Scaled 0.000 output value Scales the measured milliampere signal at Point 2..10 Allows the user to create their own curve with up to twenty •...
  • Page 160: Logical Inputs

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.5.7 - 99. 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 161 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.5.8 - 111. 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 162: Monitoring Functions

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.5.8 - 102. 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 163 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.6.1 - 113. 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 164 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 165 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 166 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 167 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.6.1 - 115. 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 168 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.6.1 - 117. 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 169 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 170 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 171: Circuit Breaker Wear Monitoring

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 172 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.6.2 - 123. Example of the circuit breaker interrupting life operations. The function is triggered from the circuit breaker's "Open" command output and it monitors the three- phase current values in both the tripping moment and the normal breaker opening moment.
  • Page 173 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 switching the setting group. Table.
  • Page 174 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Name Range Default Description Alarm Defines the pick-up threshold for remaining operations. When the number of 0…200 000 2 Set remaining operations is below this setting, the ALARM 2 signal is activated. Setting example Let us examine the settings, using a low-duty vacuum circuit breaker as an example.
  • Page 175 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Parameter Setting Current 2 16.00 kA Operations 2 100 operations Enable Alarm 1 Enabled Alarm 1 Set 1000 operations Enable Alarm 2 Enabled Alarm 2 Set 100 operations With these settings, Alarm 1 is issued when the cumulative interruption counter for any of the three phases dips below the set 1000 remaining operations ("Alarm 1 Set").
  • Page 176: Current Total Harmonic Distortion (Thd)

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.6.2 - 114. Event messages. Event block name Event names CBW1 CBWEAR1 Triggered CBW1 CBWEAR1 Alarm 1 ON CBW1 CBWEAR1 Alarm 1 OFF CBW1 CBWEAR1 Alarm 2 ON CBW1 CBWEAR1 Alarm 2 OFF The function registers its operation into the last twelve (12) time-stamped registers.
  • Page 177 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.6.3 - 125. THD calculation formulas. While both of these formulas exist, the power ratio ( THD ) is recognized by the IEEE, and the amplitude ratio ( THD ) is recognized by the IEC.
  • Page 178 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 The selection of the calculation method is made with a setting parameter (common for all measurement channels). 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 179 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Name Range Step Default Description The pick-up setting for the THD alarm element from the residual 0.10…100.00% 0.01% 10.00% current I02. The measured THD value has to exceed this setting pick-up in order for the alarm signal to activate.
  • Page 180 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Events and registers The total harmonic distortion monitor function (abbreviated "THD" 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 181: Disturbance Recorder (Dr)

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 4.6.4 Disturbance recorder (DR) The disturbance recorder is a high-capacity (64 MB permanent flash memory) and fully digital recorder integrated to the protection relay. The maximum sample rate of the recorder's analog channels is 64 samples per cycle.
  • Page 182 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Signal Description F tracked 2 Tracked frequency of reference 2 F tracked 3 Tracked frequency of reference 3 ISup Current measurement module voltage supply supervision (CT card 1) ISup'' Current measurement module voltage supply supervision (CT card 2) USup...
  • Page 183 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Signal Description Signal Description Primary phase current Primary phase current TRMS (IL1, Pri.Pha.curr.ILx Pha.curr.ILx TRMS Pri ILx (IL1, IL2, IL3) IL2, IL3) Phase angle ILx (IL1, Positive/Negative/Zero sequence Pha.angle ILx Pos./Neg./Zero seq.curr.
  • Page 184 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Signal Description Signal Description Primary Ux voltage Magnitude of the system voltage Ux Volt TRMS pri TRMS (U1, U2, U3, System volt ULx mag(kV) ULx in kilovolts (U1, U2, U3, U4) Secondary Ux voltage Angle of the system voltage ULx Ux Volt TRMS sec...
  • Page 185 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Signal Description Signal Description Power, GYB, frequency Lx power factor (L1, Lx PF Curve x Input Input of Curve x (1, 2, 3, 4) L2, L3) POW1 3PH Three-phase apparent Apparent power Curve x Output...
  • Page 186 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.6.4 - 126. Digital recording channels – Binary signals. Signal Description Signal Description Digital input 1...11 Timer x Output Output of Timer 1...10 Open/close Active if buttons I or 0 in the Internal Relay Fault If the unit has an internal fault, this control...
  • Page 187 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.6.4 - 127. Recorder control settings. Name Range Description Recorder • Enabled Enables and disables the disturbance recorder function. enabled • Disabled • Recorder ready • Recording triggered Recorder •...
  • Page 188 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.6.4 - 129. Recorder settings. Name Range Default Description Recording length 0.100...1800.000s 1s Sets the length of a recording. Selects what happens when the memory is full. •...
  • Page 189 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Where: • 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 190 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.6.4 - 127. Disturbance recorder settings. Figure. 4.6.4 - 128. 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 191: Event Logger

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 192: Measurement Recorder

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 193 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.6.6 - 129. Measurement recorder values viewed with AQtivate PRO. Table. 4.6.6 - 131. 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 194 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 195 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 196 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 197: Fault Register

    A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 198 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Figure. 4.6.7 - 130. 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 199 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 200 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 201 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 Table. 4.6.7 - 132. Reported values. Name Range Description • - • I> Trip • I>> Trip • I>>> Trip • I>>>> Trip • IDir> Trip • IDir>> Trip •...
  • Page 202 A A Q Q -F201 -F201 4 Functions Instruction manual Version: 2.11 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 203: Communica A Tion

    A A Q Q -F201 -F201 5 Communication Instruction manual Version: 2.11 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 204 A A Q Q -F201 -F201 5 Communication Instruction manual Version: 2.11 Table. 5.1 - 135. 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 205: Time Synchronization

    A A Q Q -F201 -F201 5 Communication Instruction manual Version: 2.11 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 206: Internal

    A A Q Q -F201 -F201 5 Communication Instruction manual Version: 2.11 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 207: Communication Protocols

    A A Q Q -F201 -F201 5 Communication Instruction manual Version: 2.11 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 208: Iec 103

    A A Q Q -F201 -F201 5 Communication Instruction manual Version: 2.11 Table. 5.3.1 - 144. Modbus/RTU settings. Parameter Range Description Slave address 1…247 Defines the Modbus/RTU slave address for the unit. Reading events Modbus protocol does not support time-stamped events by standard definition. This means that every vendor must come up with their own definition how to transfer events from the device to the client.
  • Page 209 A A Q Q -F201 -F201 5 Communication Instruction manual Version: 2.11 IEC 101 settings Table. 5.3.3 - 145. IEC 101 settings. Name Range Step Default Description Common Defines the common address of the application service data address of 0…65 534 unit (ASDU) for the IEC 101 communication protocol.
  • Page 210 A A Q Q -F201 -F201 5 Communication Instruction manual Version: 2.11 Table. 5.3.3 - 147. Measurements with scaling coefficient settings. Name Range Active energy Reactive energy Active power • No scaling Reactive power • 1/10 • 1/100 Apparent power •...
  • Page 211: Spa

    A A Q Q -F201 -F201 5 Communication Instruction manual Version: 2.11 Name Range Step Default Description Residual 0.01…5000.00V 0.01V 200V voltage deadband Angle 0.1…5.0deg 0.1deg 1deg measurement deadband Determines the integration time of the Integration time 0…10 000ms protocol. If this parameter is set to "0 ms", no integration time is in use.
  • Page 212 A A Q Q -F201 -F201 5 Communication Instruction manual Version: 2.11 Table. 5.3.5 - 150. Settings. Name Range Step Default Description Enables and disables the DNP3 TCP communication protocol Enable • Disabled when the Ethernet port is used for DNP3. If a serial port is used, Disabled the DNP3 protocol can be enabled from Communication →...
  • Page 213 A A Q Q -F201 -F201 5 Communication Instruction manual Version: 2.11 Name Range Default Description • Var 1 • Var 2 Group 22 variation (CNTR change) Var 5 Selects the variation of the control signal change. • Var 5 •...
  • Page 214: Modbus I/O

    A A Q Q -F201 -F201 5 Communication Instruction manual Version: 2.11 Name Range Step Default Description Determines the integration time of the Integration time 0…10 000ms protocol. If this parameter is set to "0 ms", no integration time is in use. 5.3.6 Modbus I/O The Modbus I/O protocol can be selected to communicate on the available serial ports.
  • Page 215: Real-Time Measurements To Communication

    A A Q Q -F201 -F201 5 Communication Instruction manual Version: 2.11 Table. 5.4 - 155. Fault register settings. Name Range Step Default Description Not in use I>, I>>, I>>>, I>>>> (IL1, IL2, Selects the protection function and its stage to be IL3) used as the source for the fault register recording.
  • Page 216 A A Q Q -F201 -F201 5 Communication Instruction manual Version: 2.11 Signals Description IL1Ang, IL2Ang, IL3Ang, I01Ang, I02Ang, I0CalcAng Angles of each measured current. I1Ang, I2Ang Voltages UL1Mag, UL2Mag, UL3Mag, Magnitudes of phase voltages, phase-to-phase voltages and residual UL12Mag, UL23Mag, UL31Mag, voltages.
  • Page 217 A A Q Q -F201 -F201 5 Communication Instruction manual Version: 2.11 Signals Description Others System f. Used tracking frequency at the moment. Ref f1 Reference frequency 1. Ref f2 Reference frequency 2. M thermal T Motor thermal temperature. F thermal T Feeder thermal temperature.
  • Page 218: Connections Of Aq-F201

    A A Q Q -F201 -F201 6 Connections and application examples Instruction manual Version: 2.11 6 Connections and application examples 6.1 Connections of AQ-F201 Figure. 6.1 - 131. AQ-F201 hardware. © Arcteq Relays Ltd IM00012...
  • Page 219: Application Example And Its Connections

    A A Q Q -F201 -F201 6 Connections and application examples Instruction manual Version: 2.11 Figure. 6.1 - 132. AQ-F201 application example with function block diagram. AQ-F201 Device I/O 3 (IL) 2 (I0) Protection functions Current-based I2> I> I0> 46/46R 50/51 50N/51N /46L...
  • Page 220: Two-Phase, Three-Wire Aron Input Connection

    A A Q Q -F201 -F201 6 Connections and application examples Instruction manual Version: 2.11 Figure. 6.2 - 133. Application example and its connections. 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 221: Trip Circuit Supervision (95)

    A A Q Q -F201 -F201 6 Connections and application examples Instruction manual Version: 2.11 Figure. 6.3 - 134. 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 222 A A Q Q -F201 -F201 6 Connections and application examples Instruction manual Version: 2.11 Figure. 6.4 - 135. 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 223 A A Q Q -F201 -F201 6 Connections and application examples Instruction manual Version: 2.11 Figure. 6.4 - 137. 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 224 A A Q Q -F201 -F201 6 Connections and application examples Instruction manual Version: 2.11 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 225: Construction And Installation Tion

    A A Q Q -F201 -F201 7 Construction and installation Instruction manual Version: 2.11 7 Construction and installation 7.1 Construction Even though AQ-F201 is a member of the modular and scalable AQ-200 series, it does not have optional modules. This means that the construction and content of the device’s hardware are fixed. 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 current measurement module.
  • Page 226: Cpu Module

    A A Q Q -F201 -F201 7 Construction and installation Instruction manual Version: 2.11 7.2 CPU module Figure. 7.2 - 141. CPU module. Connector Description Communication port A, or the RJ-45 port. Used for the setting tool connection and for IEC COM A 61850, Modbus/TCP, IEC 104, DNP3 and station bus communications.
  • Page 227 A A Q Q -F201 -F201 7 Construction and installation Instruction manual Version: 2.11 Connector Description System fault's output relay, with a changeover contact. Pins 16 and 17 are closed when the unit X1-16:17:18 has a system fault or is powered OFF. Pins 16 and 18 are closed when the unit is powered ON and there is no system fault.
  • Page 228: Current Measurement Module

    A A Q Q -F201 -F201 7 Construction and installation Instruction manual Version: 2.11 • matrix • block settings • • • etc. Table. 7.2 - 159. Digital input and output user description. Name Range Default Description User editable Description of the digital input. This description is used in several description DIx menu types for easier identification.
  • Page 229: Option Cards

    A A Q Q -F201 -F201 7 Construction and installation Instruction manual Version: 2.11 Connector Description CTM 7-8 Coarse residual current measurement I01. CTM 9-10 Fine residual current measurement I02. A basic current measurement module with five channels includes three-phase current measurement inputs as well as coarse and fine residual current inputs.
  • Page 230 A A Q Q -F201 -F201 7 Construction and installation Instruction manual Version: 2.11 Figure. 7.5 - 143. Device dimensions. Figure. 7.5 - 144. Device installation. © Arcteq Relays Ltd IM00012...
  • Page 231 A A Q Q -F201 -F201 7 Construction and installation Instruction manual Version: 2.11 Figure. 7.5 - 145. Panel cutout dimensions and device spacing. © Arcteq Relays Ltd IM00012...
  • Page 232: Technic Echnical Da Al Data Ta

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 8 Technical data 8.1 Hardware 8.1.1 Measurements 8.1.1.1 Current measurement Table. 8.1.1.1 - 160. 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 233 A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 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 234: Frequency Measurement

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 8.1.1.2 Frequency measurement Table. 8.1.1.2 - 161. 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 235: Cpu Communication Ports

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 Table. 8.1.2.1 - 164. 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 236: Cpu Digital Inputs

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 Table. 8.1.2.2 - 167. 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 237: Display

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 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 238: Functions

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 8.2 Functions 8.2.1 Protection functions 8.2.1.1 Non-directional overcurrent protection (I>; 50/51) Table. 8.2.1.1 - 172. Technical data for the non-directional overcurrent function. Measurement inputs Current inputs Phase current inputs: I (A), I (B), I RMS phase currents...
  • Page 239: Non-Directional Earth Fault Protection (I0>; 50N/51N)

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 NOTICE! TICE! The release delay does no not t apply to phase-specific tripping! 8.2.1.2 Non-directional earth fault protection (I0>; 50N/51N) Table. 8.2.1.2 - 173. Technical data for the non-directional earth fault function. Measurement inputs Residual current channel I (Coarse)
  • Page 240: Negative Sequence Overcurrent/ Phase Current Reversal/ Current Unbalance Protection (I2>; 46/46R/46L)

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 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! The operation and reset time accuracy does no not t apply when the measured secondary current in I02 is 1…20 mA.
  • Page 241: Harmonic Overcurrent Protection (Ih>; 50H/51H/68H)

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 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 Instant reset time and start-up reset...
  • Page 242: Circuit Breaker Failure Protection (Cbfp; 50Bf/52Bf)

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 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 243: Line Thermal Overload Protection (Tf>; 49F)

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 Reset time <50 ms 8.2.1.6 Line thermal overload protection (TF>; 49F) Table. 8.2.1.6 - 177. Technical data for the line thermal overload protection function. Measurement inputs Phase current inputs: I (A), I (B), I Current inputs...
  • Page 244: Object Control And Monitoring

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 Reaction time <5 ms from receiving the control signal 8.2.2.2 Object control and monitoring Table. 8.2.2.2 - 179. Technical data for the object control and monitoring function. General Number of objects Circuit breaker...
  • Page 245: Switch-On-To-Fault (Sotf)

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 Inaccuracy: ±0.5 %I or ±15 mA (0.10…4.0 × I - Current Operation time Definite time function operating time settings: 0.000…1800.000 s, setting step 0.005 s 0.000…1800.000 s, setting step 0.005 s 0.000…1800.000 s, setting step 0.005 s Inaccuracy: - Definite time (I...
  • Page 246: Circuit Breaker Wear Monitoring

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 Phase current inputs: I (A), I (B), I Residual current channel I (Coarse) (optional) Current inputs Residual current channel I (Fine) (optional) RMS phase currents Current input magnitudes RMS residual current (I ) (optional) Pick-up...
  • Page 247: Current Total Harmonic Distortion

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 8.2.3.3 Current total harmonic distortion Table. 8.2.3.3 - 184. Technical data for the total harmonic distortion function. Input signals Phase current inputs: I (A), I (B), I Current inputs Residual current channel I (Coarse)
  • Page 248: Event Logger

    A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 0…100, 60 MB of shared flash memory reserved Number of The maximum number of recordings according to the chosen signals and operation time recordings setting combined 8.2.3.5 Event logger Table.
  • Page 249 A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 EN 60255-27, IEC 60255-5 5 kV, 1.2/50 µs, 0.5 J Physical environment compatibility Table. 8.3 - 189. Mechanical tests. Vibration test 2…13.2 Hz, ± 3.5 mm EN 60255-1, EN 60255-27, IEC 60255-21-1 Class 1 13.2…100 Hz, ±...
  • Page 250 A A Q Q -F201 -F201 8 Technical data Instruction manual Version: 2.11 Casing and package Table. 8.3 - 192. Dimensions and weight. Without packaging (net) Height: 117 mm (4U) Dimensions Width: 127 mm (¼ rack) Depth: 174 mm (no cards & connectors) Weight 1.5 kg With packaging (gross)
  • Page 251: Ordering Inf Dering Informa Ormation Tion

    A A Q Q -F201 -F201 9 Ordering information Instruction manual Version: 2.11 9 Ordering information Accessories Order Descrip Description tion Not t e e code code External 6-channel 2 or 3 wires RTD Input module, pre- Requires an external 24 VDC AX007 configured supply.
  • Page 252: Arcteq Relays Ltd

    A A Q Q -F201 -F201 10 Contact and reference information Instruction manual Version: 2.11 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:...

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