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INSTRUCTION MANUAL AQ F210 – Feeder Protection IED...
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Electrical equipment should be installed, operated, serviced, and maintained only by qualified personnel. Local safety regulations should be followed. No responsibility is assumed by Arcteq for any consequences arising out of the use of this material. We reserve right to changes without further notice.
Instruction manual –AQ F210 Feeder Protection IED 7 (292 ENERAL The AQ-F210 Feeder Protection IED is a member of the AQ-200 product line. The AQ-200 protection product line in respect of hardware and software is a modular concept. The hardware modules are assembled and configured according to the application IO requirements and the software determines the available functions.
Instruction manual –AQ F210 Feeder Protection IED 8 (292 3 IED USER INTERFACE AQ 200 series IED user interface section is divided into hardware- and software user interface sections. Software interface is divided into local panel configuration and programming by using AQtivate 200 freeware software suite.
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Instruction manual –AQ F210 Feeder Protection IED 9 (292 Carousel Designer. Home button transfers the user between quick display carousel and main configuration menus. Main configuration menus are General, Protection, Control, Communication, Measurements and Monitoring. Available menus vary depending on IED type.
Instruction manual –AQ F210 Feeder Protection IED 10 (292 Cancel key “ ” takes you one step back or holding it down for 3 seconds takes you back to general –menu “ ”.Cancel key is also used for alarm LEDs reset.
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Instruction manual –AQ F210 Feeder Protection IED 11 (292 3.2.2.1 G ENERAL MENU General menu “ ” includes Device Info- and Function Comments sub-menus. EVICE Set name and location of the device. Serial number and SW version of the IED.
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Instruction manual –AQ F210 Feeder Protection IED 12 (292 UNCTION OMMENTS Set specific note to protection stage or object. Note is visible under Info –menu of each stage. Figure 3.2.2.1-5 AQ-200 series IED Function Comments sub- menu.
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Instruction manual –AQ F210 Feeder Protection IED 13 (292 3.2.2.2 P ROTECTION MENU Protection menu includes Stage activation sub-menu and sub-menus for different protection functions like Overcurrent, Earthfault, Seq. and balance and Supporting. Valid protection functions vary according IED type.
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Instruction manual –AQ F210 Feeder Protection IED 14 (292 Activation of different protection stages is done in Stage activation –sub menu. Each protection stage and supporting function is disabled as standard. Activated menus will appear below the stage ...
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Instruction manual –AQ F210 Feeder Protection IED 15 (292 Function is activated and disabled in Stage activation menu. It is possible to disable function in Info menu as well. Function condition indicates whether the stages condition is Normal, Start or Trip.
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Instruction manual –AQ F210 Feeder Protection IED 16 (292 SETTINGS-menu Figure 3.2.2.2-10 All group specific settings are done individually in Settings menu. Stage settings vary according different protection functions. With factory settings only one group of eight is activated. To enable more groups go to Control menu and select Setting...
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Instruction manual –AQ F210 Feeder Protection IED 17 (292 REGISTERS-menu Figure 3.2.2.2-11 AQ-200 series IED stage information is divided into two sections. Specific fault data of IEDs is stored in operation log under the register. Each of these 12 logs includes pre-fault current, fault current, time stamp and active group during the triggering.
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Instruction manual –AQ F210 Feeder Protection IED 18 (292 IO-matrix Figure 3.2.2.2-12 AQ-200 series IED stage information is divided into two sections. Starting and tripping signals of protection stages are connected to physical outputs in Direct Output Control menu. It is possible to connect to output relay or to start- trip- or user configurable LED.
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Instruction manual –AQ F210 Feeder Protection IED 19 (292 EVENTS-mask Figure 3.2.2.2-13 Protection stage related events are masked on and off individually under EventsEvent mask. Events are masked off as default. It is possible to activate desired events by masking them |x|.
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Instruction manual –AQ F210 Feeder Protection IED 20 (292 ONTROLS NABLED Activation of different control functions is done in Controls Enabled –sub menu. Each control function is disabled as standard. Active functions will appear below Control Functions –sub menu.
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Instruction manual –AQ F210 Feeder Protection IED 21 (292 Figure 3.2.2.3-17 Group changing with pulse control only or with pulses and static signal. BJECTS Figure 3.2.2.3-18 AQ-200 series IED object controlling. Each activated object is visible in Objects-menu. As default all objects are disabled. Each...
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Instruction manual –AQ F210 Feeder Protection IED 22 (292 Control access may be set to Local- or Remote control (local as default). When local control is enabled it is not possible to control object trough bus and vice versa.
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Instruction manual –AQ F210 Feeder Protection IED 23 (292 Object open- and close signals of an object are connected to physical output relays. Separate timeouts for objects are set in Settings menu. Synchronization wait- and Object Ready wait timeouts are settable between 0.02…500.00 s (default 200ms, step 20ms). If time expires the controlling of object fails.
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Instruction manual –AQ F210 Feeder Protection IED 24 (292 trip- or user configurable LED. Connection to outputs can be either latched |x| or non-latched Object blocking is done in Blocking Input Control menu. Blocking can be done by using digital inputs, logical inputs or outputs, stage start- trip- or blocked information or by using object status information.
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Instruction manual –AQ F210 Feeder Protection IED 25 (292 Each enabled control function is listed below Control Functions menu. Every function includes same sub-menus as protections stages including Info, Settings, Registers, IO and Events. For further information concerning these sub-menus see chapter 3.2.2.2.
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Instruction manual –AQ F210 Feeder Protection IED 26 (292 Digital input activation and release threshold follows the measured peak value. Activation time of input is between 5-10 milliseconds. Activation delay is configurable. Release time with DC is between 5-10 milliseconds. Release time with AC is less than 25 milliseconds.
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Instruction manual –AQ F210 Feeder Protection IED 27 (292 Figure 3.2.2.3-26 Object output- and block signal setting. LED Settings menu has two sub-menus LED Description Settings and LED Color Settings. In LED Description Settings menu the label text of the LED can be modified. This label is visible in LEDs quick displays and matrixes.
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Instruction manual –AQ F210 Feeder Protection IED 28 (292 Figure 3.2.2.3-27 AQ-200 series IED Binary Outputs menu. Binary inputs, Logic Outputs, protection stage status signals (start, trip & blocked etc.) and object status signals can be connected to output relay or to start- trip- or user configurable LEDs in Device IO matrix ...
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Instruction manual –AQ F210 Feeder Protection IED 29 (292 32 logical input signal status bits. Status is either 0 or 1. 32 quality bits of logical input signals (GOOSE). Status is either 0 or 1. 1 stands for bad/invalid quality.
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Instruction manual –AQ F210 Feeder Protection IED 30 (292 CONNECTIONS-menu IP address of the IED is user settable. Default IP-address varies from device to another. Network subnet mask is entered here. Gateway is configured only when communicating with IEDs in separate subnet.
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Instruction manual –AQ F210 Feeder Protection IED 31 (292 See more detailed information about communications options in chapter System integration. 3.2.2.5 M EASUREMENT MENU Measurement menu includes sub-menus for Transformers, Frequency, Current Measurement, Voltage measurement and Phasors depending of the IED type. Ratio of used current and voltage transformers is defined in Transformers sub-menu.
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Instruction manual –AQ F210 Feeder Protection IED 32 (292 REQUENCY Sampling mode is fixed as standard and System nominal frequency should be set to desired level. In case the Sampling mode is set as tracking the IED will use measured frequency value as system nominal frequency.
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Instruction manual –AQ F210 Feeder Protection IED 33 (292 Figure 3.2.2.5-35 AQ-200 series IED Sequence components. Sequence components including positive, negative and neutral components are calculated for both voltage and current. Sequence sub-menu is divided into four groups which are Per- Unit, Primary, Secondary and Phase Angle.
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Instruction manual –AQ F210 Feeder Protection IED 34 (292 HASORS Figure 3.2.2.5-37 AQ-200 series IED Phasors sub-menu. Measurement Phasors have vector displays for voltage and currents. Also calculated components have own vector displays. Vectors can be seen in own display and additionally per unit values of measured or calculated components along with secondary and primary amplitudes are shown.
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Instruction manual –AQ F210 Feeder Protection IED 35 (292 ONITORS NABLED Activation of different monitor functions is done in Monitors Enabled sub-menu. Each Monitoring function is disabled as standard. Activated menus will appear in the Monitor functions sub-menu.
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Instruction manual –AQ F210 Feeder Protection IED 36 (292 ISTURBANCE Manual Trigger triggers the recording instantly once when used. It is possible to clear the latest, oldest or every stored recording at once. Maximum length of recording depends of the ...
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Instruction manual –AQ F210 Feeder Protection IED 37 (292 EVICE IAGNOSTICS AQ-200 series IED Device Diagnostics gives detailed feedback of the IED condition generally and whether option cards are installed correctly without problems. In case anything abnormal is noticed in ...
Instruction manual –AQ F210 Feeder Protection IED 38 (292 AQ-F210 F UNCTIONS OF EEDER ROTECTION In this chapter are presented the functions of AQ-F210 Feeder Protection relay. AQ-F210 includes following functions and amounts of instances of the functions. Table 4-1 Protection functions of AQ-F210...
Instruction manual –AQ F210 Feeder Protection IED 39 (292 4.1 M EASUREMENTS 4.1.1 C URRENT MEASUREMENT AND SCALING In AQ-2xx series current measurement module (CT-module) is used for measuring the currents from current transformers and processing the measured currents to measurement database and for use of measurement- and protection functions.
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Instruction manual –AQ F210 Feeder Protection IED 40 (292 the current transformer rated primary and secondary currents. In case of motor or any specific electrical apparatus protection the relay needs to be told also the motors nominal current in order that the settings can be per unitized to apparatus nominal not to CT nominal (This is not absolutely mandatory, in some relays it is still needed to calculate correct settings manually.
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Instruction manual –AQ F210 Feeder Protection IED 41 (292 Initial data of the connection and the ratings are presented in following table. Table 4.1.1.1-4 Initial data from example connection. Phase current CT: Ring core CT in Input I02: Load nominal 36A...
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Instruction manual –AQ F210 Feeder Protection IED 42 (292 Figure 4.1.1.1-4 Phase current transformer scalings to protected object nominal current. When measurement scaling is made to the protected object nominal current, the object nominal current needs also to be set into the “Nominal current In” input. The differences in the used scaling factors can now be seen.
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Instruction manual –AQ F210 Feeder Protection IED 43 (292 Figure 4.1.1.1-6 Residual current I02 scaling to ring core CT input. If the scaling was made to CT primary or to object nominal current the measurements will look as follows with nominal current feeding: Figure 4.1.1.1-7 Scalings to CT nominal.
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Instruction manual –AQ F210 Feeder Protection IED 44 (292 CT:s, if possible check the actual ratings from the CT:s as well, since in some cases the actual CT:s may have been changed from the original plan for some reason. Measured current amplitude does not match for one...
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Instruction manual –AQ F210 Feeder Protection IED 46 (292 current CT primary or protected object nominal current. Phase CT primary 1…5000.0 A 0.1A 100.0A Rated primary current of the CT in amperes. Phase CT secondary 0.2…10.0 A 0.1A 5.0A Rated secondary current of the CT in amperes.
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Instruction manual –AQ F210 Feeder Protection IED 47 (292 I02 CT secondary 0.1…10.0 A 0.1A 5.0A Rated secondary current of the CT in amperes. I02 Polarity I02 (fine residual) measurement channel 1:Invert polarity (direction) selection. Default setting is that positive current flow is from connector 9 to connector 10.
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Instruction manual –AQ F210 Feeder Protection IED 48 (292 Table 4.1.1.4-12 Per unit residual current measurements in AQ-2xx. Name Range Step Description Residual current I01 0.00…1250.0 xIn 0.01xIn Per unit measurement from residual current channel I01 fundamental frequency RMS current.
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Instruction manual –AQ F210 Feeder Protection IED 49 (292 Residual current I02 0.00…300.0A 0.01A Secondary measurement from residual TRMS sec current channel I02 TRMS current including harmonics up to 31 Table 4.1.1.4-15 Residual current angles measurements in AQ-2xx. Name Range...
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Instruction manual –AQ F210 Feeder Protection IED 50 (292 Table 4.1.1.4-20 Harmonic current measurements in AQ-2xx. Name Range Step Description IL1 Harmonics 0.00…1000000.0A 0.01A Per unit, primary and secondary IL1 fund…IL1 31harm harmonics per component for current input IL1 IL2 Harmonics 0.00…1000000.0A...
FFT calculation has always whole power cycle in the buffer. Further improvement for the achieved measurement accuracy is the Arcteq patented method of calibrating of the analog channels against 8 system frequency points for both, magnitude and angle.
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For this reason the magnitude and angle measurements need to be calibrated against frequency. For this purpose measured channels FFT result fundamental frequency component is corrected for magnitude and angle errors by Arcteq AQ-2xx series patented calibration algorithms. 4.1.2.1 T ROUBLESHOOTING It is possible that for some reason the measured currents may not be as expected.
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Instruction manual –AQ F210 Feeder Protection IED 53 (292 1:CT1IL3 2:CT2IL3 3:VT1U3 4:VT2U3 Freq tracker quality 0:No trackable Frequency tracker quality. If the current or channels voltage measured amplitude is below the 1:Reference 1 threshold channel tracking quality is 0 and Trackable cannot be used for frequency tracking.
Instruction manual –AQ F210 Feeder Protection IED 54 (292 4.2 P ROTECTION FUNCTIONS 4.2.1 G ENERAL PROPERTIES OF A PROTECTION FUNCTION In following flowchart is described the basic structure of any protection function. Basic structure is composed of the analog measurement values comparison to the pick-up values...
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Instruction manual –AQ F210 Feeder Protection IED 55 (292 Protection function is run in a completely digital environment with protection CPU microprocessor which also processes the analog signals transferred to digital form. Figure 4.2.1-10 Principle diagram of AQ-2xx protection relay platform.
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Instruction manual –AQ F210 Feeder Protection IED 56 (292 Figure 4.2.1.1-11 Pick up and reset characteristics of the function. The pick-up activation of the function is not directly equal to start-signal generation of the function. Start signal is allowed if blocking condition is not active.
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Instruction manual –AQ F210 Feeder Protection IED 57 (292 secondary currents from 0.001A up to 250A. To this relation the pick-up setting in secondary amperes will vary. 4.2.1.2 F UNCTION BLOCKING In the blocking element the block signal is checked in the beginning of each program cycle.
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Instruction manual –AQ F210 Feeder Protection IED 58 (292 Table 4.2.1.3-22 Operating time characteristics setting parameters (general). Name Range Step Default Description Delay Type Selection of the delay type time counter. IDMT Selection possibilities are dependent (IDMT, Inverse Definite Minimum Time) and independent (DT, Definite Time) characteristics.
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Instruction manual –AQ F210 Feeder Protection IED 63 (292 Figure 4.2.1.3-17. Parameters A, B and C effect to the characteristics.
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Instruction manual –AQ F210 Feeder Protection IED 64 (292 Table 4.2.1.3-23 Reset time characteristics setting parameters. Release Time 0.000…150.000 s 0.005 s 0.06 s Resetting time. Time allowed in between delay of pick-ups if the pick-up has not lead into trip operation.
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Instruction manual –AQ F210 Feeder Protection IED 65 (292 Figure 4.2.1.3-19. Delayed pick-up release, delay counter is reset at signal drop-off. Figure 4.2.1.3-20. Delayed pick-up release, delay counter value is held during the release time.
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Instruction manual –AQ F210 Feeder Protection IED 66 (292 Figure 4.2.1.3-21. Delayed pick-up release, delay counter value is decreasing during the release time. Resetting characteristics can be set according to the application. Default setting is delayed with 60 ms and the time calculation is held during the release time.
Instruction manual –AQ F210 Feeder Protection IED 67 (292 4.2.2 N I> (50/51) DIRECTIONAL OVER CURRENT Overcurrent function (NOC) is used for non-directional instant- and time delayed overcurrent/short circuit protection for various applications including feeder, filter and machine applications of utilities and industry. The number of available instances of the function depends of the IED model.
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Instruction manual –AQ F210 Feeder Protection IED 68 (292 Figure 4.2.2-22 Simplified function block diagram of the NOC function. 4.2.2.1 M EASURED INPUT VALUES Function block uses analog current measurement values. Function block always utilizes peak-to-peak measurement from samples and by user selection the monitored magnitude can be either fundamental frequency RMS values, True RMS values from the whole harmonic specter of 32 components or peak to peak values.
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Instruction manual –AQ F210 Feeder Protection IED 69 (292 4.2.2.2 P UP CHARACTERISTICS Iset Pick-up of the NOC function is controlled by setting parameter, which defines the maximum allowed measured current before action from the function. The function constantly calculates the ratio in between of the Iset and measured magnitude (Im) per all Iset three phases.
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Instruction manual –AQ F210 Feeder Protection IED 70 (292 4.2.2.4 O PERATING TIME CHARACTERISTICS FOR TRIP AND RESET The operating timers’ behavior of the function can be set for trip signal and also for the release of the function in case the pick-up element is reset before the trip time has been reached.
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Instruction manual –AQ F210 Feeder Protection IED 71 (292 Table 4.2.2.4-26 Operating time characteristics setting parameters. Name Range Step Default Description Delay Type Selection of the delay type time counter. IDMT Selection possibilities are dependent (IDMT, Inverse Definite Minimum Time) and independent (DT, Definite Time) characteristics.
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Instruction manual –AQ F210 Feeder Protection IED 72 (292 Table 4.2.2.4-27 Reset time characteristics setting parameters. Release Time 0.000…150.000 s 0.005 s 0.06 s Resetting time. Time allowed in between delay of pick-ups if the pick-up has not lead into trip operation.
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Instruction manual –AQ F210 Feeder Protection IED 73 (292 Table 4.2.2.5-28. Event codes of the NOC function instances 1 – 4. Event Event Event Event Number channel Event block name Code Description Type 1280 20 NOC1 0 Start ON 1281...
Instruction manual –AQ F210 Feeder Protection IED 74 (292 4.2.3 N I0> (50N/51N) DIRECTIONAL EARTH FAULT Non directional earth fault function (NEF) is used for instant- and time delayed earth fault protection for various applications including feeder, filter and machine applications of utilities and industry.
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Instruction manual –AQ F210 Feeder Protection IED 75 (292 Figure 4.2.3-23 Simplified function block diagram of the NEF function. 4.2.3.1 M EASURED INPUT VALUES Function block uses analog current measurement values. Function block always utilizes peak-to-peak measurement from samples and by user selection the monitored magnitude can be either fundamental frequency RMS values, True RMS values from the whole harmonic specter of 32 components or peak to peak values.
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Instruction manual –AQ F210 Feeder Protection IED 76 (292 4.2.3.2 P UP CHARACTERISTICS I0set Pick-up of the NEF function is controlled by setting parameter, which defines the maximum allowed measured current before action from the function. The function constantly calculates the ratio in between of the Iset and measured magnitude (Im) per all Iset three phases.
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Instruction manual –AQ F210 Feeder Protection IED 77 (292 4.2.3.4 O PERATING TIME CHARACTERISTICS FOR TRIP AND RESET The operating timers’ behavior of the function can be set for trip signal and also for the release of the function in case the pick-up element is reset before the trip time has been reached.
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Instruction manual –AQ F210 Feeder Protection IED 78 (292 Table 4.2.3.4-32 Operating time characteristics setting parameters. Name Range Step Default Description Delay Type Selection of the delay type time counter. IDMT Selection possibilities are dependent (IDMT, Inverse Definite Minimum Time) and independent (DT, Definite Time) characteristics.
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Instruction manual –AQ F210 Feeder Protection IED 79 (292 Table 4.2.3.4-33 Reset time characteristics setting parameters. Release Time 0.000…150.000 s 0.005 s 0.06 s Resetting time. Time allowed in between delay of pick-ups if the pick-up has not lead into trip operation.
Instruction manual –AQ F210 Feeder Protection IED 80 (292 Table 4.2.3.5-34. Event codes of the NEF-function instances 1 – 4. Event Event Event Event Number channel Event block name Code Description Type 1664 26 NEF1 0 Start ON 1665 26 NEF1...
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Instruction manual –AQ F210 Feeder Protection IED 81 (292 conductor mode (I2/I1) phase current magnitudes are monitored also for minimum allowed loading current. Two possible operating modes are available, I2 mode which monitors negative sequence current and I2/I1 mode, which monitors negative sequence current ratio to positive sequence current.
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Instruction manual –AQ F210 Feeder Protection IED 82 (292 Figure 4.2.4-24 Simplified function block diagram of the CUB function. 4.2.4.1 M EASURED INPUT VALUES Function block uses analog current measurement values. Function block utilizes calculated positive and negative sequence currents. In broken conductor mode (I2/I1) also the phase currents RMS value is used for the minimum current check.
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Instruction manual –AQ F210 Feeder Protection IED 83 (292 4.2.4.2 P UP CHARACTERISTICS I2set or I2/I1set Pick-up of the CUB function is controlled by setting parameters, which define the maximum allowed measured negative sequence current or negative/positive sequence current ratio before action from the function. The function constantly calculates the ratio in between of the Iset and measured magnitude (Im).
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Instruction manual –AQ F210 Feeder Protection IED 84 (292 4.2.4.4 O PERATING TIME CHARACTERISTICS FOR TRIP AND RESET The operating timers’ behavior of the function can be set for trip signal and also for the release of the function in case the pick-up element is reset before the trip time has been reached.
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Instruction manual –AQ F210 Feeder Protection IED 85 (292 Table 4.2.4.4-38 Operating time characteristics setting parameters. Name Range Step Default Description Delay Type Selection of the delay type time counter. IDMT Selection possibilities are dependent (IDMT, Inverse Definite Minimum Time) and independent (DT, Definite Time) characteristics.
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Instruction manual –AQ F210 Feeder Protection IED 86 (292 Table 4.2.4.4-39 Reset time characteristics setting parameters. Release Time 0.000…150.000 s 0.005 s 0.06 s Resetting time. Time allowed in between delay of pick-ups if the pick-up has not lead into trip operation.
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Instruction manual –AQ F210 Feeder Protection IED 87 (292 Table 4.2.4.5-40. Event codes of the CUB-function instances 1 – 4. Event Event Event Event Number channel Event block name Code Description Type 2048 32 CUB1 0 Start ON 2049 32 CUB1...
Instruction manual –AQ F210 Feeder Protection IED 88 (292 4.2.5 H IH> (50H/51H/68H) ARMONIC OVER CURRENT Harmonic overcurrent function (HOC) is used for non-directional instant- and time delayed harmonic overcurrent detection and clearing for various applications including feeder, filter and machine applications of utilities and industry. The number of available instances of the function depends of the IED model.
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Instruction manual –AQ F210 Feeder Protection IED 89 (292 Figure 4.2.5-25 Simplified function block diagram of the HOC function. 4.2.5.1 M EASURED INPUT VALUES Function block uses analog current measurement values from the phase currents or residual currents. For each measurement input the HOC function block utilizes the...
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Instruction manual –AQ F210 Feeder Protection IED 90 (292 Table 4.2.5.1-42 Analogic magnitudes used by the HOC function. Signal Description Time base IL1FFT Magnitudes (rms) of phase L1/A current components: 5 ms Fundamental, 2 harmonic, 3 harmonic, 4 harmonic, 5...
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Instruction manual –AQ F210 Feeder Protection IED 91 (292 Table 4.2.5.2-43 Operating mode selection settings of the HOC function Name Range Step Default Description Harmonic harmonic harmonic Selection of the monitored harmonic selection harmonic component harmonic harmonic harmonic harmonic harmonic...
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Instruction manual –AQ F210 Feeder Protection IED 92 (292 4.2.5.4 F UNCTION BLOCKING In the blocking element the block signal is checked in the beginning of each program cycle. Blocking signal is received from the blocking matrix for the function 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.
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Instruction manual –AQ F210 Feeder Protection IED 93 (292 Table 4.2.5.5-45 Operating time characteristics setting parameters. Name Range Step Default Description Delay Type Selection of the delay type time counter. IDMT Selection possibilities are dependent (IDMT, Inverse Definite Minimum Time) and independent (DT, Definite Time) characteristics.
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Instruction manual –AQ F210 Feeder Protection IED 94 (292 Table 4.2.5.5-46 Reset time characteristics setting parameters. Release Time 0.000…150.000 s 0.005 s 0.06 s Resetting time. Time allowed in between delay of pick-ups if the pick-up has not lead into trip operation.
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Instruction manual –AQ F210 Feeder Protection IED 95 (292 Table 4.2.5.6-47. Event codes of the HOC function instances 1 – 4. Event Event Event Event Number channel Event block name Code Description Type 2368 37 HOC1 0 Start ON 2369...
Instruction manual –AQ F210 Feeder Protection IED 96 (292 4.2.6 C (CBFP) (50BF) IRCUIT BREAKER FAILURE PROTECTION Circuit breaker failure protection (CBFP) function is used for monitoring the circuit breaker operation after it has been tripped. CBFP function can be used for Retrip to the failing breaker and if the Retrip fails the upstream breaker can be tripped by using CBFP output.
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Instruction manual –AQ F210 Feeder Protection IED 97 (292 Figure 4.2.6-26 Simplified function block diagram of the CBFP function. 4.2.6.1 M EASURED INPUT VALUES Function block uses analog current measurement values. Function uses always the fundamental frequency magnitude of the current measurement input. For residual current measurement I01, I02 or calculated I0 can be selected.
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Instruction manual –AQ F210 Feeder Protection IED 98 (292 Table 4.2.6.1-50 Operating mode and input signals selection Name Range Step Default Description I0Input Selection of the residual current monitoring from the two separate residual I0Calc measurements I01 and I02 or from phase currents calculated residual current.
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Instruction manual –AQ F210 Feeder Protection IED 99 (292 If blocking signal is active when pick-up element activates a BLOCKED signal will be generated and the function shall not process the situation further. If START function has been activated before blocking signal it will reset and the release time characteristics are processed as in case of when pick-up signal is reset.
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Instruction manual –AQ F210 Feeder Protection IED 100 (292 Figure 4.2.6.4-27 Into the IED is configured Trip, Retrip and CBFP. In application where the circuit breaker has retrip / redundant trip coil available, retrip functionality can be used. The trip signal is wired normally to the trip coil of the breaker from the trip output of the IED.
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Instruction manual –AQ F210 Feeder Protection IED 101 (292 Figure 4.2.6.4-28 Retrip and CBFP when selected criteria is current only. In case when the current based protection activates so that either Iset and/or I0Sset current threshold setting is exceeded the counters for retrip and CBFP start to calculate the set operating time.
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Instruction manual –AQ F210 Feeder Protection IED 102 (292 the monitored output contact is controlled (primary protection operates). From the tripping signal of the primary protection stage the counters for retrip and CBFP start to calculate the set operating time. The tripping of the primary protection stage is constantly monitored...
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Instruction manual –AQ F210 Feeder Protection IED 103 (292 current based functions with added security from the current monitoring of the CBFP function and other function trips can be also included to the CBFP functionality. Figure 4.2.6.4-31 Into the IED is configured Trip and CBFP.
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Instruction manual –AQ F210 Feeder Protection IED 104 (292 Figure 4.2.6.4-32 CBFP when selected criteria is current only. In case when the current based protection activates so that either Iset and/or I0Sset current threshold setting is exceeded, the counter for CBFP start to calculate the set operating time.
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Instruction manual –AQ F210 Feeder Protection IED 105 (292 In case when the current based protection activates so that either Iset and/or I0Sset current threshold setting are exceeded the counter for CBFP is halted until the monitored output contact is controlled (primary protection operates). From the tripping signal of the primary protection stage the counter for CBFP start to calculate the set operating time.
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Instruction manual –AQ F210 Feeder Protection IED 106 (292 Figure 4.2.6.4-35 IED is configured as dedicated CBFP unit. In some applications dedicated circuit breaker protection unit is required. When the CBFP function is configured to operate with DI signal it can be used in these applications. When the IED is used for this purpose the tripping signal is wired to the IED digital input and the IED:s own trip signal is used for CBFP purpose only.
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Instruction manual –AQ F210 Feeder Protection IED 107 (292 Figure 4.2.6.4-36 Dedicated CBFP operation from binary input signal. In this mode the CBFP operates from binary input signal only. Additionally also current and output relay monitoring can be used. The counter for the CBFP is started when the digital input is activated.
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Instruction manual –AQ F210 Feeder Protection IED 108 (292 Table 4.2.6.5-53. Event codes of the CBFP function instance Event Event Event Event Number channel Event block name Code Description Type 2817 44 CBF1 1 Start ON 2818 44 CBF1 2 Start OFF...
Instruction manual –AQ F210 Feeder Protection IED 109 (292 4.2.7 R (REF) I0D> (87N) ESTRICTED EARTH FAULT CABLE END DIFFERENTIAL Restricted Earth Fault function (REF) is used for residual differential current measurement for transformers and also this function can be used for Cable End Differential (CED) functionality.
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Instruction manual –AQ F210 Feeder Protection IED 110 (292 Figure 4.2.7-37 Simplified function block diagram of the REF function. 4.2.7.1 M EASURED INPUT VALUES Function block uses analog current measurement values. Function uses the fundamental frequency magnitude of the current measurement inputs and calculated residual current with residual current measurement.
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Instruction manual –AQ F210 Feeder Protection IED 111 (292 Table 4.2.7.1-56 General settings of the REF stage (not SG selectable) Name Range Step Default Description I0d> mode 0: Disabled Disabled Selection of the function is activated or 1: Activated disabled in the configuration. Default setting 0: Disabled (Not in use).
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Instruction manual –AQ F210 Feeder Protection IED 112 (292 The pick-up activation of the function is not directly equal to trip-signal generation of the function. Trip signal is allowed if blocking condition is not active. In the following figure is presented the differential characteristics with default settings.
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Instruction manual –AQ F210 Feeder Protection IED 114 (292 Characteristics Differential characteristics DIFF 2.00 1.00 0.00 I Bias Figure 4.2.7.3-39 Cable end differential with natural unbalance in the phase current measurement. When calculating the residual current from phase currents the natural unbalance may be in total around 10% and still the used CT:s are in the promised 5P class (probably most common CT accuracy class).
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Instruction manual –AQ F210 Feeder Protection IED 115 (292 earth faults. For this purpose restricted earth fault function is stabile since it monitors only the side it is wired to and compares the calculated and measured residual currents. In case...
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Instruction manual –AQ F210 Feeder Protection IED 116 (292 4.2.7.4 E VENTS AND REGISTERS The REF function generates events and registers from the status changes of the Trip activated and blocked signals. To main event buffer is possible to select status “On” or “Off”...
Instruction manual –AQ F210 Feeder Protection IED 117 (292 4.2.8 T > (49F) HERMAL OVERLOAD PROTECTION FOR FEEDERS Thermal overload function for feeder (TOLF) is used for cables and overhead lines thermal capacity monitoring and protection. Also this function can be used for any single time constant application like inductor chokes, certain types of transformers and any other static units which don’t have active cooling in addition to the cables and overhead lines.
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Instruction manual –AQ F210 Feeder Protection IED 118 (292 its heating constant tau (), 63% of the nominal thermal capacity is used. When the loading continues until five times this given constant the used thermal capacity indefinitely approaches to 100% but never exceeds it. With a single time constant model cooling of the object follows this same behavior reversible to the heating when the current feeding is completely zero.
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Instruction manual –AQ F210 Feeder Protection IED 119 (292 temperature. The calculated coefficient is linear correction factor which is presented with following formulas: Amb<t × ( t ) ) + k Amb<t × ( t ) ) + 1.0 Amb>t Amb>t...
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Instruction manual –AQ F210 Feeder Protection IED 120 (292 This mentioned ambient temperature coefficient relates to nominal temperature reference. By default is used +15 C (ground dug cables) which gives coefficient value of 1.00 for the thermal replica. Settable thermal capacity curve uses linear interpolation for ambient temperature correction with maximum 10 pairs of temperature –...
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Instruction manual –AQ F210 Feeder Protection IED 121 (292 The correction coefficient curve for ambient temperature is shown in the figure. The reference temperature for ground dug cables usually is 15 ̊ C which gives correction coefficient of 1.00 which...
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Instruction manual –AQ F210 Feeder Protection IED 122 (292 Figure 4.2.8-48 Initial data of the cable temperature characteristics and current ratings with different installations and copper or aluminium conductors. Based into the given data can be seen the currents which in given installation and construction methods will achieve the given temperature in given standard conditions.
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Instruction manual –AQ F210 Feeder Protection IED 123 (292 Figure 4.2.8-49 General presumptions of the high voltage cables. If the installation conditions vary from the presumption conditions, manufacturers may give additional information of how the current carrying capacity should be corrected in order to...
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Instruction manual –AQ F210 Feeder Protection IED 124 (292 Figure 4.2.8-50 Correction coefficients for the current carrying capacity given by the manufacturer (Prysmian). As an example of the k (service factor, current carrying capacity) factor importance let’s calculate cable installation with correct k factor and without setting it to correct value.
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Instruction manual –AQ F210 Feeder Protection IED 125 (292 Initial data for the set-up of the thermal image: 500 mm cross sectional 66 kV copper cable is installed into ground. Its 1s permissible short circuit current is 71.4 kA and its insulation is XLPE. The cables screen circuit is open and the laying of the cable is flat.
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Instruction manual –AQ F210 Feeder Protection IED 126 (292 With maximum allowed load the end temperature 89 ̊ C has been reached with thermal capacity 99.6% used. From this result can be noted that thermal image matches perfectly into the expectations.
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Instruction manual –AQ F210 Feeder Protection IED 127 (292 so the settings would be then In = 680 A, Tmax = 90 ̊ C , Tamb = 15 ̊ C , Tref = 15 ̊ C and = 0.81 Now when trying to load the...
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Instruction manual –AQ F210 Feeder Protection IED 128 (292 4.2.8.1 T HERMAL OVERLOAD FUNCTION Blocking signal and setting group selection controls the operating characteristics of the function during normal operation. Outputs of the function are TOLF Trip and Blocked signals. Setting parameters are static inputs for the function which are changed only by user input in the setup phase of the function.
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Instruction manual –AQ F210 Feeder Protection IED 129 (292 Function block uses analog current measurement values. Function uses the fundamental frequency magnitude of the current measurement inputs and calculated residual current with residual current measurement. For residual current measurement I01 or I02 can be selected.
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Instruction manual –AQ F210 Feeder Protection IED 130 (292 visible if Set or estimate tau setting is selected to “Estimate”. Rated nominal current 1…1000000 A 700 A Rated nominal current in primary value of the protected object in nominal rated conditions. Setting is visible if Set or estimate tau setting is selected to “Estimate”.
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Instruction manual –AQ F210 Feeder Protection IED 131 (292 Table 4.2.8.2-63 Environmental settings Name Range Step Default Description Object max temp (tmax = 0…500 deg 1 deg Maximum allowed temperature for 100%) the protected object. Default setting is +90 degrees and it suits for...
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Instruction manual –AQ F210 Feeder Protection IED 132 (292 setting. Setting is visible if Ambient lin. or curve is set to “Linear est.” Amb.Temp.ref1...10 -50.0…500.0 0.1 deg 15 deg Temperature reference points for the user settable ambient temperature coefficient curve.
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Instruction manual –AQ F210 Feeder Protection IED 133 (292 time. Default setting is 0.000s which will not give added time delay for the trip signal. The pick-up activation of the IO is direct for all other signals except TRIP signal which has also blocking check before the trip signal is generated.
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Instruction manual –AQ F210 Feeder Protection IED 134 (292 xIn status “Overloading” will be shown and when measured current is over 2 xIn status “High overload” will be shown. Table 4.2.8.5-66 Measurements Name Range Description / values Currents 0: Primary A...
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Instruction manual –AQ F210 Feeder Protection IED 135 (292 In the function is available 12 last registers where the triggering event of the function (Trip activated or blocked) is recorded with time stamp and process data values. Table 4.2.8.6-68. Event codes of the TOLF function instance...
Instruction manual –AQ F210 Feeder Protection IED 136 (292 4.2.9 A >/I0A > (50A /50NA RC PROTECTION Arc faults occur because of insulation failure, incorrect operation of the protected device, corrosion, overvoltage, dirt, moisture, incorrect wiring or even because of aging caused by electric load.
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Instruction manual –AQ F210 Feeder Protection IED 137 (292 Table 4.2.8.6-70 Output signals of the arc protection function Outputs Channel1 Light In Channel2 Light In Channel3 Light In Channel4 Light In Channel1 Pressure In Channel2 Pressure In Channel3 Pressure In...
Page 138
Instruction manual –AQ F210 Feeder Protection IED 138 (292 Figure 4.2.9-56 Scheme IA1 single-line diagram with AQ-2xx series relays and AQ-101 arc protection relays. To set the zones for the AQ-2xx models sensor channels start by enabling the protected zones which in this case are Zones 1 and 2. Then define which sensor channels are sensing which zones.
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Instruction manual –AQ F210 Feeder Protection IED 139 (292 Figure 4.2.9-57 Scheme IA1 single-line diagram with AQ-2xx series relays. The relay supervising the incoming feeder settings are the same as in the first example. The relays supervising the busbar and the outgoing feeder should be set up in the following way.
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Instruction manual –AQ F210 Feeder Protection IED 140 (292 4.2.9.2 M EASURED INPUT VALUES Arc protection uses sample based per phase measurement. If required number of samples is found over the setting limit current condition activates. It is possible to use either phase currents or residual current in the tripping decision.
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Instruction manual –AQ F210 Feeder Protection IED 141 (292 If blocking signal is active when pick-up element activates a BLOCKED signal will be generated and the function shall not process the situation further. If TRIP function has been activated before blocking signal it will reset and the release time characteristics are processed as in case of when pick-up signal is reset.
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Instruction manual –AQ F210 Feeder Protection IED 142 (292 Table 4.2.9.5-72. Event codes of the ARC function. Event Event Event Event Alarm Number channel Event block name Code Description Type Type 4736 74 ARC1 0 Zone1 Trip On 4737 74 ARC1...
Instruction manual –AQ F210 Feeder Protection IED 143 (292 4.3 C ONTROL FUNCTIONS 4.3.1 S (SGS) ETTING GROUP SELECTION Eight (8) separate setting groups are available in in AQ-2xx series devices. Availability and selection is controlled by SGS function block. By default only SG1 is active and thus the selection logic is idle.
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Instruction manual –AQ F210 Feeder Protection IED 144 (292 For the application controlled setting group switch and selection is available either pulse controlled change or signal level change options. In the setting group controller block is prioritized the setting groups so that if higher one is controlled simultaneously with lower priority setting group the higher request shall be taken into use.
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Instruction manual –AQ F210 Feeder Protection IED 145 (292 Name Range Step Default Description Used setting 0=SG1 Selection of activated setting groups in groups 1=SG1...2 the application. If setting group is enabled 2=SG1...3 it cannot be controlled to active. When 3=SG1...4...
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Instruction manual –AQ F210 Feeder Protection IED 146 (292 Table 4.3.1.1-75. Signals of the SGS function Name Range Step Default Description Setting group 1 0=Not active Setting group 1 selection, highest priority 1=Active input for setting group control. Can be controlled with pulse or steady state signals.
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Instruction manual –AQ F210 Feeder Protection IED 147 (292 4.3.1.2 E VENTS SG selection function block generates events from its controlling status and applied input signals as well as unsuccessful control changes and enabled setting groups. For this function is no register available.
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Instruction manual –AQ F210 Feeder Protection IED 148 (292 4.3.1.3 E XAMPLES OF ETTING GROUP CONTROL In this chapter are presented some of most common applications for setting group changing requirements. In a Petersen coil compensated network is usually used directional sensitive earth fault...
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Instruction manual –AQ F210 Feeder Protection IED 149 (292 Figure 4.3.1.3-60 Setting group control with 2 wire connection from Petersen coil status. Figure 4.3.1.3-61 Setting group control with 2 wire connection from Petersen coil status and additional logic.
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Instruction manual –AQ F210 Feeder Protection IED 150 (292 Application controlled setting group change can be applied also completely from the relays internal logics. One example can be setting group change based into cold load pick up function. Figure 4.3.1.3-62 Example of fully application controlled setting group change with CLPU function.
Instruction manual –AQ F210 Feeder Protection IED 151 (292 4.3.2 O (OBJ) BJECT CONTROL AND MONITORING Object control and monitoring function takes care of circuit breaker and disconnector controlling and status monitoring. Monitor and control is based into the statuses of the IED binary inputs and outputs configured.
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Instruction manual –AQ F210 Feeder Protection IED 152 (292 Figure 4.3.2-64 Simplified function block diagram of the OBJ function. 4.3.2.1 I NPUT SIGNALS FOR OBJECT STATUS MONITORING For the function is used available hardware and software digital signal statuses and command signals.
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Instruction manual –AQ F210 Feeder Protection IED 153 (292 Table 4.3.2.1-77 Monitor digital signal inputs used by the OBJ function. Signal Range Description Objectx Open DI1 … DIx Link to the physical binary input. Monitored object OPEN status. “1” means active...
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Instruction manual –AQ F210 Feeder Protection IED 154 (292 Table 4.3.2.1-78 Command digital signal inputs used by the OBJ function. Signal Range Description Objectx Local DI1 … DIx Local Close command from physical digital input for example from pushbutton. Close control...
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Instruction manual –AQ F210 Feeder Protection IED 155 (292 Table 4.3.2.2-80 Object type selection Object type Functionality Description Withdrawable CB Position indication Withdrawable circuit breaker monitor and control configuration. WD cart position Control Object ready Use synchrocheck Interlocks Circuit Breaker Position indication Circuit breaker monitor and control configuration.
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Instruction manual –AQ F210 Feeder Protection IED 156 (292 The pick-up activation of the function is not directly equal to start-signal generation of the function. Start signal is allowed if blocking condition is not active. 4.3.2.3 B LOCKING AND INTERLOCKING For each controllable object can be set interlocking and blocking conditions for open and close separately.
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Instruction manual –AQ F210 Feeder Protection IED 157 (292 Event Numbe Event Event Event channel Event block name Code Description Type 2945 OBJ1 Object Intermediate 2946 OBJ1 Object Open 2947 OBJ1 Object Close 2948 OBJ1 Object Bad 2949 OBJ1 WD Intermediate...
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Instruction manual –AQ F210 Feeder Protection IED 158 (292 3075 OBJ3 Object Close 3076 OBJ3 Object Bad 3077 OBJ3 WD Intermediate 3078 OBJ3 WD Out 3079 OBJ3 WD in 3080 OBJ3 WD Bad 3081 OBJ3 Open Request On 3082 OBJ3...
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Instruction manual –AQ F210 Feeder Protection IED 159 (292 3207 OBJ5 WD in 3208 OBJ5 WD Bad 3209 OBJ5 Open Request On 3210 OBJ5 Open Fail 3211 OBJ5 Open Request Off 3212 OBJ5 Open Command On 3213 OBJ5 Open Command Off...
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Instruction manual –AQ F210 Feeder Protection IED 160 (292 Object registers are treated different from other registers seen in the IED. Following example is from closing of the breaker when the breaker is not ready. dd.mm.yyyy hh:mm:ss.mss ObjectOpen, WDIn, Close request from RemCloInput,Close pending due to: Close wait for Ready, Open Allowed, Close Allowed, Object Not Ready dd.mm.yyyy hh:mm:ss.mss ObjectOpen,WDIn,Open Allowed,Close Allowed,ObjectReady...
Instruction manual –AQ F210 Feeder Protection IED 161 (292 4.3.3 A 0 1 (79) RECLOSING Autoreclosing (AR) means coordinated de-energisation and energisation of transmission or distribution overhead-line with purpose to clear permanent or semi-permanent cause of fault from the line in order to restore supply automatically to the line.
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Instruction manual –AQ F210 Feeder Protection IED 162 (292 If the fault was not cleared by the time autorecloser closes the breaker and second shot is applied into the line there can be set either time delay (called Arcing time) in order to burn the fault causing object from the line or normal protection operating times can be applied.
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Instruction manual –AQ F210 Feeder Protection IED 163 (292 4.3.3.2 A UTORECLOSING SCHEME IN RADIAL NETWORK In typical medium voltage overhead network construction is radial type and does not cause any additional requirements for the autoreclosing scheme in addition to the mentioned air de-ionization time and the capacity of the circuit breaker which should be the dictating magnitudes for the autoreclosing scheme.
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Instruction manual –AQ F210 Feeder Protection IED 164 (292 Figure 4.3.3.2-68. Autoreclosing shot settings, two requests and two shots are initialized. In this example for earth faults its own operating time settings are used and for overcurrent time delay its set from autorecloser. Both fault types can initialize both of the shots with different settings.
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Instruction manual –AQ F210 Feeder Protection IED 165 (292 4.3.3.3 A UTORECLOSING SEQUENCE FROM RIP WITH TWO SHOT FAILURE For this earth fault autoreclosing scheme directional earth fault protection Trip signal to operate was set as REQ2 starter which was enabled to Shot1 and Shot2 with following settings.
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Instruction manual –AQ F210 Feeder Protection IED 166 (292 1. Earth fault is found in the protected line which causes directional earth fault protection I0Dir> to start and calculate the operating time for the trip. 2. I0Dir> trips and gives open command to the breaker open coil. Autoreclosing REQ2 is initiated and AR running, AR2 Requested and Shot1 Running signals are activated.
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Instruction manual –AQ F210 Feeder Protection IED 167 (292 4.3.3.4 A UTORECLOSING SEQUENCE FROM RIP WITH TWO SHOT HIGH SPEED FAILS AND TIME DELAYED SUCCEEDS The Scheme for autoreclosing starter and shots is the same than in the previous example with same settings and signals.
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Instruction manual –AQ F210 Feeder Protection IED 168 (292 1. Earth fault is found in the protected line which causes directional earth fault protection I0Dir> to start and calculate the operating time for the trip. 2. I0Dir> trips and gives open command to the breaker open coil. Autoreclosing REQ2 is initiated and AR running, AR2 Requested and Shot1 Running signals are activated.
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Instruction manual –AQ F210 Feeder Protection IED 169 (292 4.3.3.5 A UTORECLOSING SEQUENCE FROM RIP WITH TWO SHOT HIGH SPEED SUCCEEDS The Scheme for autoreclosing starter and shots is the same than in the previous examples with same settings and signals. In this example fault is cleared by the high speed autoreclosing.
Page 170
Instruction manual –AQ F210 Feeder Protection IED 170 (292 1. Earth fault is found in the protected line which causes directional earth fault protection I0Dir> to start and calculate the operating time for the trip. 2. I0Dir> trips and gives open command to the breaker open coil. Autoreclosing REQ2 is initiated and AR running, AR2 Requested and Shot1 Running signals are activated.
Page 171
Instruction manual –AQ F210 Feeder Protection IED 171 (292 Figure 4.3.3.6-75 Settings for earth fault reclosing with two shots. When Start signal is used for the autoreclosing the timings of the fault durations are taken care by the autorecloser function and the starting / arcing times needs to be set accordingly.
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Instruction manual –AQ F210 Feeder Protection IED 172 (292 3. Circuit breaker is opened and I> Start signal is released and simultaneously REQ1 signal for autorecloser is released. Recloser starts to calculate the Shot1 Dead Time for closing the breaker.
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Instruction manual –AQ F210 Feeder Protection IED 173 (292 Figure 4.3.3.7-77 Settings for overcurrent reclosing with two shots. This type of sequence represents 10-15% of all the faults in the medium voltage overhead line network. Figure 4.3.3.7-78 Signal status graph of the semi-permanent overcurrent autoreclosing cycle.
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Instruction manual –AQ F210 Feeder Protection IED 174 (292 3. Circuit breaker is opened and I> Start signal is released and simultaneously REQ1 signal for autorecloser is released. Recloser starts to calculate the Shot1 Dead Time for closing the breaker.
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Instruction manual –AQ F210 Feeder Protection IED 175 (292 Figure 4.3.3.8-79 Settings for overcurrent reclosing with two shots. This type of sequence represents 75-85% of all the faults in the medium voltage overhead line network. Figure 4.3.3.8-80 Signal status graph of the transient overcurrent autoreclosing cycle.
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Instruction manual –AQ F210 Feeder Protection IED 176 (292 3. Circuit breaker is opened and I> Start signal is released and simultaneously REQ1 signal for autorecloser is released. Recloser starts to calculate the Shot1 Dead Time for closing the breaker.
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Instruction manual –AQ F210 Feeder Protection IED 177 (292 Figure 4.3.3.9-81 Autoreclosing with distributed generation in the line. For this operation there needs to be communication link in between of the substation master relay and 20 kV collector station incomer follower relay. When autoreclosing is initiated the collector station breaker is opened until the autoreclosing cycle is completed.
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Instruction manual –AQ F210 Feeder Protection IED 178 (292 Arcing time can be used for controlling the autoreclosing in cases protection function Start signal is making the requests. In case if the request (start) activates during the Reclaim time the Arcing time calculation starts and if fault persists autorecloser shall continue to next stage.
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Instruction manual –AQ F210 Feeder Protection IED 179 (292 event signals. Time stamp resolution is 1ms. Function provides also cumulative counters for each applied reclosing events and requests. Autorecloser function can be divided into starter, shot selector state machine, sorter and shot blocks which operate dynamically during the reclosing cycles based into the given settings and input signals monitoring.
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Instruction manual –AQ F210 Feeder Protection IED 180 (292 the breaker is closed manually during the Dead Time autorecloser will enter to general reclaim mode and if the breaker is closed towards fault it will cause lock-out of autorecloser function.
Page 181
Instruction manual –AQ F210 Feeder Protection IED 181 (292 AR5 Request Any binary Reclosing request 5, lowest priority request which overrules all lower signal in the priority requests for autoreclosing. When this request signal is activated and other conditions for reclosing are met a shot will be applied.
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Instruction manual –AQ F210 Feeder Protection IED 182 (292 AR Reclaim time On When autorecloser is calculating Reclaim time this signal is activated. Signal can be connected to any relay IO as well as into communication protocols. Status change of the output signals will always cause recorded event also in the AR registers and AR continuous status indications.
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Instruction manual –AQ F210 Feeder Protection IED 183 (292 autoreclosing. If during this time autoreclosing request is applied autorecloser will enter to locked state preventing further reclosing attempts. This selection can be changed dynamically by setting group selection in real time in the IED. Default setting is 10.000s.
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Instruction manual –AQ F210 Feeder Protection IED 184 (292 Figure 4.3.3.14-83 Autorecloser shot setting parameters. Autorecloser shot settings are grouped into corresponding rows where setting of each shot is straightforward. From the settings can be seen how the reclosing cycle is executed by each request row by row and which functions initiate requests and which shots and requests are in use.
Page 185
Instruction manual –AQ F210 Feeder Protection IED 185 (292 4.3.3.15 I NHIBIT AND OCKED STATES OF AUTORECLOSER FUNCTION Autorecloser has several locked and inhibit states where reclosing for some given reason cannot be allowed. When autorecloser function enters into the not ready state it will give indication of the reason it cannot be in ready state in order to quickly rectify what is causing the problem of the functions operation.
Page 186
Instruction manual –AQ F210 Feeder Protection IED 186 (292 In the function is available 12 last registers where the triggering event of the function is recorded with time stamp and process data values. Table 4.3.3.16-88. Event codes of the OBJ function instances 1 – 5.
Instruction manual –AQ F210 Feeder Protection IED 190 (292 4.3.4 C (CLPU) OLD LOAD PICK Cold load pick-up function (CLPU) is used for detecting the so called “cold load” situations which relate to the distribution feeder protection after service restoration in which loss of load diversity has occurred.
Page 191
Instruction manual –AQ F210 Feeder Protection IED 191 (292 Figure 4.3.4-84 Simplified function block diagram of the CLPU function. 4.3.4.1 M EASURED INPUT VALUES Function block uses analog current measurement values. Function block always utilizes peak-to-peak measurement from samples and by user selection the monitored magnitude can be either fundamental frequency RMS values, True RMS values from the whole harmonic specter of 32 components or peak to peak values.
Page 192
Instruction manual –AQ F210 Feeder Protection IED 192 (292 inbuilt in the function and is always related to the setting value. The setting value is common for all measured phases and single-, dual- or all phases Im exceed of the Iset value will cause pick-up operation of the function.
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Instruction manual –AQ F210 Feeder Protection IED 193 (292 4.3.4.4 O PERATING TIME CHARACTERISTICS FOR ACTIVATION AND RESET The operating timers’ behavior of the function can be set for activation and the cold load pick up situation monitoring and release.
Page 194
Instruction manual –AQ F210 Feeder Protection IED 194 (292 ILow IHigh current is in between of the start-up condition is considered to be over. The Tmin CLPU signal can be prolonged over this time by setting to higher value than 0.000s.
Page 195
Instruction manual –AQ F210 Feeder Protection IED 195 (292 IOver In this example the measured current is exceeding the setting during the startup situation and causes the CLPU signal immediate release. Figure 4.3.4.4-88 Example of timers and pick-up parameters. Activated CLPU instant release due to too long starting.
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Instruction manual –AQ F210 Feeder Protection IED 196 (292 ILow Tset. CLPU activates after current has been under setting for time When current ILow IHigh Tmin exceed the setting but not the CLPU signal is active until the time. If no...
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Instruction manual –AQ F210 Feeder Protection IED 197 (292 Table 4.3.4.5-93. Event codes of the CLPU function instances 1 – 4. Event Event Event Event Number channel Event block name Code Description Type 2688 42 CLP1 0 LowStart ON 2689...
Instruction manual –AQ F210 Feeder Protection IED 198 (292 4.3.5 S (SOTF) WITCH ON TO FAULT Switch on to fault (SOTF) function is used for speeding up the tripping in case if the breaker is closed towards a fault or forgotten earthing in order to reduce the damage in the fault- or problem location.
Page 199
Instruction manual –AQ F210 Feeder Protection IED 199 (292 Table 4.3.5.1-95 Signal inputs used by the SOTF function. Input Description SOTF activate Binary input for the function to arm and start calculate the SOTF time. Any binary input signal can be used to activate SOTF and start the calculation. Start of the function is applied from rising edge of the signal.
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Instruction manual –AQ F210 Feeder Protection IED 200 (292 In the register of the SOTF function is recorded activated “On” event process data. In the table below is presented the structure of SOTF function register content. This information is available in 12 last recorded events for all provided instances separately.
Instruction manual –AQ F210 Feeder Protection IED 201 (292 4.4 M ONITORING FUNCTIONS 4.4.1 C (CTS) URRENT TRANSFORMER SUPERVISION Current transformer supervision (CTS) function is meant to be used for monitoring the CT:s, wirings in between of the IED and IED CT inputs in case of malfunction or wire breaks.
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Instruction manual –AQ F210 Feeder Protection IED 202 (292 each of the two output signal. Time stamp resolution is 1ms. Function provides also cumulative counters for CTS alarm and BLOCKED events. In the following figure is presented the simplified function block diagram of the CTS function.
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Instruction manual –AQ F210 Feeder Protection IED 203 (292 Signal Description Time base IL1RMS Fundamental RMS measurement of phase L1/A current 5 ms IL2RMS Fundamental RMS measurement of phase L2/B current 5 ms IL3RMS Fundamental RMS measurement of phase L3/C current...
Page 204
Instruction manual –AQ F210 Feeder Protection IED 204 (292 Table 4.4.1.2-100 Pick-up characteristics setting Name Range Step Default Description Iset Highlimit 0.01 … 40.00 x In 0.01 x In 1.20 x In Pick-up threshold for phase current measurement. This setting limit defines the upper limit for the phase current pick-up element.
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Instruction manual –AQ F210 Feeder Protection IED 205 (292 Blocking signal can be tested also in the commissioning phase of the stage by software switch signal when relay common and global testing mode is activated. User settable variables are binary signals from the system. Blocking signal needs to reach the IED minimum of 5 ms before the set operating delay has passed for blocking to be active in time.
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Instruction manual –AQ F210 Feeder Protection IED 206 (292 Figure 4.4.1.4-94 System in case when secondary circuit fault is found in phase L1 wiring. When fault is detected and all of the conditions are met the CTS timer will start counting. If the situation continues until the set time has been spent CTS will issue alarm.
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Instruction manual –AQ F210 Feeder Protection IED 207 (292 Figure 4.4.1.4-96 System in case when there is no wiring fault and heavy unbalance. If any of the phases is over the Iset Highlimit the operation of the CTS is not activated. This behavior is applied in short circuit and earth faults also if the fault current exceeds the Iset high setting.
Page 208
Instruction manual –AQ F210 Feeder Protection IED 208 (292 Figure 4.4.1.4-98 System in normal situation when measuring also the residual current. When the residual condition is added the sum current and residual current are compared against each other and the wiring condition can be verified.
Page 209
Instruction manual –AQ F210 Feeder Protection IED 209 (292 Figure 4.4.1.4-100 System in case when primary phase current wiring is broken. In this case all other conditions are met except the residual difference which is now 0 x In and thus indicate primary side fault.
Page 210
Instruction manual –AQ F210 Feeder Protection IED 210 (292 4.4.1.5 E VENTS AND REGISTERS The CTS function generates events and registers from the status changes of the ALARM activated and blocked signals. To main event buffer is possible to select status “On” or “Off”...
Instruction manual –AQ F210 Feeder Protection IED 211 (292 4.4.3 Disturbance recorder (DR) The disturbance recorder in AQ-2xx IED is a high capacity (60 Mbyte) and fully digital recorder integrated to protection relay. Maximum sample rate of the recorder analog channels is 64 samples per cycle.
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Instruction manual –AQ F210 Feeder Protection IED 212 (292 Possible digital channels vary according the IED type. All digital channels are presented below: Table 4.4.3.1-105 Digital recording channels can be chosen between channels represented in table below. Signal Description Sample rate Pri.Pha.curr.IL1...
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Instruction manual –AQ F210 Feeder Protection IED 216 (292 4.4.3.2 R ECORDING SETTINGS AND TRIGGERING Disturbance recorder can be triggered manually or automatically by using dedicated triggers. Every signal listed in “Digital recording channels” –list can be selected to trig the recorder.
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Instruction manual –AQ F210 Feeder Protection IED 217 (292 Notice that disturbance recorder is not ready unless the “Max length of recording” is showing some value other than zero. At least one trigger input has to be selected to “Recorder Trigger”...
Page 218
Instruction manual –AQ F210 Feeder Protection IED 218 (292 Table 4.4.3.4-107 Disturbance recorder settings. When there is at least one recording in the memory of the IED the recording can be analyzed by using AQviewer software. First the recording has to be read from the memory of the IED by selecting Disturbance Recorder ...
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Instruction manual –AQ F210 Feeder Protection IED 219 (292 capable to open original packed zip files directly or comtrade files as they are as far as both *.cfg and *.dat are located in same directory. Table 4.4.3.5-108 Open stored recordings.
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Instruction manual –AQ F210 Feeder Protection IED 220 (292 1. To remove plotters one at the time use red minus key icon “1” that can be found on top. Note, “Remove Plotter” -text appears when moving mouse on top of the icon.
Instruction manual –AQ F210 Feeder Protection IED 221 (292 4.4.4 M EASUREMENT RECORDER Specific measurements can be recorded on a file by using the measurement recorder. In the measurement recorder-dialog, the desired measurements to be recorded can be selected by checking the checkboxes. A connection to a relay must be established via AQtivate-software and live edit mode must be enabled, for the measurement recorder to be able to activate.
Instruction manual –AQ F210 Feeder Protection IED 222 (292 4.4.5 C (CBW) IRCUIT BREAKER WEAR MONITOR Circuit breaker wear (CBW) function is used for monitoring the circuit breaker lifetime before maintenance needs due to interrupting currents and mechanical wearing. CBW function uses the circuit breaker manufacturer given data for the breaker operating cycles in relation to the current breaker has operated.
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Instruction manual –AQ F210 Feeder Protection IED 223 (292 Function provides also cumulative counters for Open operations, Alarm 1 and Alarm 2 events. Operations left for each phase can be monitored also in the function. In the following figure is presented the simplified function block diagram of the CBW function.
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Instruction manual –AQ F210 Feeder Protection IED 224 (292 Name Range Step Default Description Current 1 0.00…100.00 kA 0.01 kA 1.00 kA Nominal operating current of the breaker (Inom) (rms) Operations 0… 200000 Op 1 Op 50000 Op Interrupting life operations at rated current...
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Instruction manual –AQ F210 Feeder Protection IED 225 (292 Table 4.4.5.5-113. Event codes of the CBW function instance Event Event Event Event Number channel Event block name Code Description Type 3713 58 CBW1 1 CBWEAR1 Triggered 3714 58 CBW1 2 CBWEAR1 Alarm1 On...
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Instruction manual –AQ F210 Feeder Protection IED 227 (292 Set the CBW stage as follows: Parameter Value Current 1 (Inom) 0.80 kA Operation 1 (Inom) 30000 Op Current 2 (Imax) 16.00 kA Operations 2 (Imax) 100 Op Enable Alarm 1...
Instruction manual –AQ F210 Feeder Protection IED 228 (292 4.4.6 T (THD) OTAL HARMONIC DISTORTION MONITOR Total harmonic distortion monitor function (THD) is used for monitoring the current harmonic content. THD is a measurement of the harmonic distortion present and is defined as the ratio of the sum of powers of all harmonic components to the power of fundamental frequency.
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Instruction manual –AQ F210 Feeder Protection IED 229 (292 changed only by user input in the setup phase of the function. THD function utilizes total of eight separate setting groups which can be selected from one common source. The operational logic consists of input magnitude processing, threshold comparator, block signal check, time delay characteristics and output processing.
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Instruction manual –AQ F210 Feeder Protection IED 230 (292 Table 4.4.6.1-115 Analogic magnitudes used by the THD function. Signal Description Time base IL1FFT Fundamental RMS measurement of phase L1/A current 5 ms IL2FFT Fundamental RMS measurement of phase L2/B current...
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Instruction manual –AQ F210 Feeder Protection IED 231 (292 Table 4.4.6.2-116 Pick-up characteristics setting Name Range Step Default Description Enable PH Enable of the THD alarm function from phase currents. Enable I01 Enable of the THD alarm function from residual current input I01.
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Instruction manual –AQ F210 Feeder Protection IED 232 (292 4.4.6.4 O PERATING TIME CHARACTERISTICS FOR ACTIVATION AND RESET The operating timers’ behavior of the function can be set for activation and the cold load pick up situation monitoring and release.
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Instruction manual –AQ F210 Feeder Protection IED 233 (292 Table 4.4.6.5-118. Event codes of the THD function Event Event Event Event Number channel Event block name Code Description Type 3521 55 THD1 1 THD Start Phase On 3522 55 THD1...
Instruction manual –AQ F210 Feeder Protection IED 234 (292 YSTEM INTEGRATION The AQ-200 series IED have fixed communication connections RS-485 (2-wire) and RJ- 45options for system integration. Both of these rear ports are designed for SCADA and service bus communications. In addition to these communication ports various communication media options can be installed to the IED including serial fiber as well as redundant Ethernet option cards.
Instruction manual –AQ F210 Feeder Protection IED 235 (292 5.1.2 M ODBUS ODBUS The device supports both Modbus TCP and Modbus RTU communication. Modbus TCP uses the Ethernet connection for communicating with Modbus TCP clients. Modbus RTU is a serial protocol which can be selected for the available serial ports.
5.1.4 IEC 61850 Device models with IEC 61850 support, can have the IEC 61850 protocol enabled by the user. IEC 61850 in Arcteq devices support the following services: Dataset, pre-defined datasets can be edited with IEC 61850 editor tool in Aqtivate.
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237 (292 Currently used 61850 setup of the device can be viewed in the IEC61850 tool (Tools IEC61850). For a list of available Logical Nodes in the Arcteq implementation browse the 61850 tree. See following picture: Figure 5-1 IEC 61850 tool buttons.
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Instruction manual –AQ F210 Feeder Protection IED 238 (292 The main configurations dialog is opened by pressing 6 button. Important parameters are here the IED Name and the IP settings. Also if GOOSE publisher service is to be used, the parameters for GCB1 and GCB2 should be set.
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Instruction manual –AQ F210 Feeder Protection IED 239 (292 dataset. If the green ‘±’-button is pressed a new dialog is opened were it is possible to edit contents of the dataset. New entries can be added and old edited. It is recommended that for URCB and BRCB datasets that data is selected on the doName, data object level, (see example below).
Instruction manual –AQ F210 Feeder Protection IED 240 (292 5.1.5 GOOSE Both GOOSE publisher and subscriber are supported by the Arcteq implementation. GOOSE subscriber is enabled by parameter setting (Communication Protocols IEC61850 GOOSE subscriber enable) and GOOSE inputs are configured using HMI or Aqtivate tool.
(slave). The IEC 103 protocol can be selected for the available serial ports of the device. A master or primary station can communicate with the Arcteq device and receive information by polling from the slave device. Disturbance recordings transfer is...
Instruction manual –AQ F210 Feeder Protection IED 242 (292 Data points list can be read from the device. IEC 103 parameters can be found in the following table. Parameter Range Description Slave address [1…254] IEC 103 slave address for the unit.
Instruction manual –AQ F210 Feeder Protection IED 243 (292 For more detailed information see the IEC101 Profile Checklist document. IEC101/104 parameters can be found in following table. Parameter Range Description Link layer address [1…65535] Link layer address Link layer address size [1…2]...
For a field upgrade this means that the add-on module has to be ordered from Arcteq Ltd. or representative who shall provide the add-on module with corresponding unlocking code in order the device to be operating correctly after upgrading the hardware configuration.
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Instruction manual –AQ F210 Feeder Protection IED 248 (292 When IO module is inserted to the IED the module location shall effect to the naming of the IO. The scanning order in the start-up sequence is CPU-module IO, slot A, slot C, slot E and slot F.
Instruction manual –AQ F210 Feeder Protection IED 249 (292 7.1 CPU, IO OWER SUPPLY MODULE By default the AQ-2xx IED platform combination CPU, IO and Power supply module is included in the AQ-2xx IED which includes two standard communication ports and basic binary IO of the relay.
Instruction manual –AQ F210 Feeder Protection IED 250 (292 allows DC ripple of <15 % and start-up time of power supply is < 5 ms. Further details refer to the “Technical data” section of this document. Binary inputs are scanned in 5 millisecond cycle. This makes the state of input to be updated between 0…5 milliseconds.
Instruction manual –AQ F210 Feeder Protection IED 251 (292 Phase current input characteristics are as follows: o Measurement range Phase currents 0…250 ARMS Coarse residual current 0…150ARMS Fine residual current 0…75ARMS o Angle measurement accuracy less than ± 0.5 degrees with nominal current.
Instruction manual –AQ F210 Feeder Protection IED 252 (292 Binary inputs have as standard current consumption of 2 mA when activated and the operating voltage range is from 0V to 265VAC/DC with software settable activation/release threshold and 1V resolution. All binary inputs are scanned in 5 ms program cycle and they have software settable filtering and pick-up delay of input signal and software settable NO/NC selection.
Instruction manual –AQ F210 Feeder Protection IED 253 (292 Naming convention of the binary outputs provided by this module is presented in the chapter 6 Construction and installation. For further details refer to the “Technical data” section of this document.
Instruction manual –AQ F210 Feeder Protection IED 254 (292 Binary input rated voltage is 24 VDC. Threshold picks up at ≥16 VDC. Binary input can be used for external light information or similar and can be used as a part of various ARC –...
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Instruction manual –AQ F210 Feeder Protection IED 255 (292 Figure 7-1 Connection of different sensor types...
Instruction manual –AQ F210 Feeder Protection IED 256 (292 7.7 S RS232 & S ERIAL ERIAL FIBER MODULE OPTION Option card includes two serial communication interfaces. COM E is a serial fiber interface with glass/plastic option. COM F is a RS-232 interface.
Instruction manual –AQ F210 Feeder Protection IED 260 (292 PPLICATIONS 8.1 3- , 3- ARON PHASE WIRE INPUT CONNECTION EXAMPLE In this chapter is presented a connection example of an application with only two installed protection CTs. Connection is suitable for both motor –and feeder protection applications.
Instruction manual –AQ F210 Feeder Protection IED 261 (292 8.1 T RIP CIRCUIT SUPERVISION 8.1.1 T RIP CIRCUIT OPEN COIL SUPERVISION WITH ONE DIGITAL INPUT AND CONNECTED TRIP OUTPUT Trip circuit supervision is used to monitor the wiring from auxiliary power supply trough IEDs binary output and all the way to the open coil of the breaker.
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Instruction manual –AQ F210 Feeder Protection IED 262 (292 circuit breaker would be long enough. When CB failure protection is used it might be good to add the CBFP operation time to the digital input activation time (t ). See...
Instruction manual –AQ F210 Feeder Protection IED 263 (292 the breaker is open. This means that the open coil is energized for a short moment even the breaker is already open. Coil could be energized even moment longer if circuit breaker failure protection has to be used and incomer is performing the tripping.
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Instruction manual –AQ F210 Feeder Protection IED 264 (292 signal (CTS) activates. Normally closed digital input activates only when there is something wrong in the trip circuit and the auxiliary power goes off. While the breaker is open the logic is blocked.
Instruction manual –AQ F210 Feeder Protection IED 265 (292 ECHNICAL DATA 9.1 C ONNECTIONS 9.1.1 M EASUREMENTS Table 9.1.1-1 Current measurement module Measurement channels / CT inputs Three phase currents, One coarse residual current, and One sensitive residual current. Total of five separate CT inputs.
Instruction manual –AQ F210 Feeder Protection IED 267 (292 9.1.4 B INARY OUTPUTS Table 9.1.4-5 Normal Open binary outputs Rated auxiliary voltage 265V(AC/DC) Continuous carry Make and carry 0.5s Make and carry 3s Breaking capacity, DC (L/R = 40 ms)
Instruction manual –AQ F210 Feeder Protection IED 268 (292 9.1.5 A RC PROTECTION CARD PTION Table 9.1.5-7 Normal Open binary outputs Number of arc sensor channels Operating time <15ms Table 9.1.5-8 High Speed Outputs (HSO1…2) Rated auxiliary voltage 250Vdc Continuous carry Make and carry 0.5s...
Instruction manual –AQ F210 Feeder Protection IED 269 (292 9.1.6 C OMMUNICATION PORTS Table 9.1.6-10 Front panel local communication port Port media Copper Ethernet RJ-45 Number of ports 1pcs Port protocols PC-protocols, FTP, Telnet Data transfer rate 100 MB System integration...
Instruction manual –AQ F210 Feeder Protection IED 270 (292 9.2 P ROTECTION FUNCTIONS All specified operation times include mechanical trip contact delay. 9.2.1 C URRENT PROTECTION FUNCTIONS (50/51) I>, I>>, I>>>, I>>>> VERCURRENT Input signals Input magnitudes Phase current fundamental freq RMS...
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Instruction manual –AQ F210 Feeder Protection IED 271 (292 (50N/51N) I0>, I0>>, I0>>>, I0>>>> ARTH FAULT Input signals Input magnitudes Residual current fundamental freq RMS Residual current TRMS Residual current peak-to-peak Pick-up Used magnitude Measured residual current I01 (1 A) Measured residual current I02 (0.2 A)
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Instruction manual –AQ F210 Feeder Protection IED 272 (292 (46/46R/46L) I2>, I2>>, I2>>>, I2>>>> NBALANCE Input signals Input magnitudes Phase current fundamental freq RMS Pick-up Used magnitude Negative sequence component I2pu Relative unbalance I2/I1 Pick-up setting 0.01…40.00 x In, setting step 0.01 x In (I2pu) 1.00…200.00 %, setting step 0.01 % (I2/I1)
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Instruction manual –AQ F210 Feeder Protection IED 273 (292 OC (50H/51H, 68) I >, I >>, I >>>, I >>>> ARMONIC Input signals Input magnitudes Phase current IL1/IL2/IL3 TRMS Residual current I01 TRMS Residual current I02 TRMS Pick-up Harmonic selection...
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Instruction manual –AQ F210 Feeder Protection IED 274 (292 present. Harmonic stage stays active in case the harmonic content is above the pick-up limit. -Tripping: When using harmonic OC –stage for tripping make sure that the operation time is set to 20 ms (DT) or higher to avoid nuisance tripping due the...
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Instruction manual –AQ F210 Feeder Protection IED 275 (292 (50BF/52BF) CBFP REAKER FAILURE Input signals Input magnitudes Phase currents, I01, I02 I0Calc fundamental freq RMS Digital input status, Digital output status Pick-up Pick-up current setting -IL1…IL3 0.10…40.00 x In, setting step 0.01 x In -I01, I02, I0Calc 0.005…40.00 x In, setting step 0.005 x In...
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Instruction manual –AQ F210 Feeder Protection IED 276 (292 (49L) TF> INE THERMAL OVERLOAD Input current magnitude Phase current TRMS max (31 harmonic) Time constants Time constant value 0.0…500.00 min by step of 0.1 min Service factor (max overloading) 0.01…5.00 by step of 0.01 x In...
Instruction manual –AQ F210 Feeder Protection IED 278 (292 9.3 C ONTROL FUNCTIONS ET GROUP SETTINGS Setting groups 8 independent control prioritized setting groups Control scale Common for all installed functions which support setting groups Control mode Local Any digital signal available in the device...
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Instruction manual –AQ F210 Feeder Protection IED 280 (292 OLD LOAD PICK Input signals Input magnitudes Phase current fundamental freq RMS Pick-up Pick-up current setting -I Low / I High / I Over 0.01…40.00 x In, setting step 0.01 x In...
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Instruction manual –AQ F210 Feeder Protection IED 281 (292 SOTF WITCH ON TO FAULT Initialization signals SOTF activate input Any IED block input signal (Object closed signal etc.) Pick-up SOTF function input Any IED block input signal (I> or similar)
Instruction manual –AQ F210 Feeder Protection IED 282 (292 9.4 M ONITORING FUNCTIONS URRENT TRANSFORMER SUPERVISION Input signals Input magnitudes Phase current fundamental freq RMS Residual current fundamental freq RMS (optional) Pick-up Pick-up current setting -Iset Highlimit / Iset Lowlimit / Isum difference 0.10…40.00 x In, setting step 0.01 x In...
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Instruction manual –AQ F210 Feeder Protection IED 283 (292 WEAR Breaker characteristics settings: Nominal breaking current 0.00…100.00 kA by step of 0.001 kA Maximum breaking current 0.00…100.00 kA by step of 0.001 kA Operations with nominal current 0…200000 Operations by step of 1 Operation Operations with maximum breaking current 0…200000 Operations by step of 1 Operation...
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Instruction manual –AQ F210 Feeder Protection IED 284 (292 URRENT TRANSFORMER SUPERVISION Input signals Input magnitudes Phase current fundamental freq RMS Residual current fundamental freq RMS (optional) Pick-up Pick-up current setting -Iset Highlimit / Iset Lowlimit / Isum difference 0.10…40.00 x In, setting step 0.01 x In -Iset ratio / I2/I1 ratio 0.01…100.00 %, setting step 0.01 %...
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Instruction manual –AQ F210 Feeder Protection IED 285 (292 (60) VTS USE FAILURE Input signals Measured magnitudes P-P voltage fundamental frequency RMS P-E voltage fundamental frequency RMS Pickup Pickup setting -Voltage low pickup 0.05…0.50 x Un, setting step 0.01 x Un -Voltage high pickup 0.50…1.10 x Un, setting step 0.01 x Un...
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Instruction manual –AQ F210 Feeder Protection IED 287 (292 OTAL HARMONIC DISTORTION Input magnitudes Current measurement channels FFT result up to 31.st harmonic component. Operating mode Power THD Amplitude THD Pick-up setting for all comparators 0.10…200.00% , setting step 0.01% Definite time function operating time setting for 0.00…1800.00 s, setting step 0.005 s...
Instruction manual –AQ F210 Feeder Protection IED 288 (292 9.5 T ESTS AND ENVIRONMENTAL 9.5.1 E LECTRICAL ENVIRONMENT COMPATIBILITY Table 9.5.1-13 Disturbance tests All tests CE approved and tested according to EN 50081-2, EN 50082-2 Emission Conducted (EN 55011 class A) 0.15 - 30 MHz...
Instruction manual –AQ F210 Feeder Protection IED 290 (292 10 O RDERING INFORMATION Table 10-1 Ordering codes of the AQ-F210 Feeder Protection IED AQ - F 2 1 0 - X X - X X X X Model F Feeder protection Device size 1 1/4 of 19"...
Instruction manual –AQ F210 Feeder Protection IED 292 (292 11 R EFERENCE INFORMATION Manufacturer information: Arcteq Ltd. Finland Visiting and postal address: Wolffintie 36 F 11 65200 Vaasa, Finland Contacts: Phone, general and commercial issues (office hours GMT +2): +358 10 3221 370...
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