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E4-DRFP configuration description (Type: DTIVA)

1. Parameter name Title Unit Min Max Step Default Alarm Temperature TTR49R Alm Alarm Temperature deg 60 200 1 80 Trip Temperature TTR49R Trip IPar_ Trip Temperature deg 60 200 1 100 Rated Temperature TTR49R Max Rated Temperature deg 60 200 1 100 Base Temperature TTR49R Ref IPar Base Temperature deg 0 40 1 25 Unlock Temperature TTR49R Unl IPar Unlock Temperature deg 20 200 1 60 Ambient Temperature TTR49R Amb Ambient Temperature deg 0 40 1 25 Startup Term TTR49R_Str_IPar Startup Term 0 60 1 0 Rated Load Current 49 Inom Rated Load Current 96 20 150 1 100 Time constant 49 Time Constant min 1 999 1 10 Table 28 The integer parameters of the line thermal protection function Boolean parameter Boolean parameter Default Parameter for ambient temperature sensor application Special HW input module is required TTR49L Sens BPar Signal title Selection range Temperature No Yes Sensor No Table 29 The Boolean parameter of the line thermal protection function DTIVA E4 DRFP CONFIG V1 0 23 60 E4 DRFP configuration description 1 3 2 6 Definite time overvoltage function for railway application TOV59R The definite time overvoltage protection function measures a voltage If it is above the level defined by parameter set
2. Parameter name Title Selection range Default Rated secondary current of the input channels 1A or 5A is selected by parameter setting no hardware modification is needed Rated Secondary 11 1A 5A 1A CT4_Ch2Nom_EPar_ Rated Secondary 2 1A 5A 1A Ch3Nom EPar Rated Secondary I3 1A 5A 1A CT4_Ch4Nom_EPar_ Rated Secondary 14 1A 5A 1A Definition of the positive direction of the currents given as normal or inverted CT4_Ch1Dir_EPar_ Direction 11 Normal Inverted Normal CT4 Ch24Dir Direction 12 Normal Inverted Normal Ch 3Dir Direction Normal Inverted Normal Ch4Dir Direction 14 Normal Inverted Normal Table 60 The enumerated parameters of the current input function Floating point parameters Parameter name Title Dim Min Max Default Rated primary current of channels Pril1 FPar Rated Primary 11 A 100 4000 1000 Pril2 FPar Rated Primary 12 A 100 4000 1000 FPar Rated Primary I3 A 100 4000 1000 Pril4 FPar Rated Primary 14 A 100 4000 1000 Table 61 The floating point parameters of the current input function NOTE The rated primary current of the channels is not needed for the current input function block itself These values are passed on to the subsequent function blocks On line measurements The measured values of
3. AR Start Opto 7 9 Co Teleprot Error A Carrier recieve G12 Opto 10 12 DTIVA E4 DRFP_CONFIG_V1 0 58 60 E4 DRFP configuration description Ki 8 00 Clamp Name Target designation 1 BOut_K01 Common 2 BOut K01 NO 3 BOut K02 Common 4 BOut K02 NO 5 BOut Common 6 BOut K03 NO 7 BOut K04 Common 8 BOut K04 NO 9 BOut K05 Common 10 BOut K05 NO 11 BOut K06 Common 12 BOut K06 NO 13 BOut K07 Common 14 BOut K07 NO 15 BOut K08 Common 16 BOut K08 NO Li 8 00 Clamp Name Target designation 1 Close Common 2 Close NO 3 Carrier send Common 4 Carrier send NO 5 BOut 103 Common 6 BOut 103 NO 7 BOut L04 Common 8 BOut L04 NO 9 BOut L05 Common 10 BOut L05 NO 11 BOut L06 Common 12 BOut L06 NO 13 BOut 107 Common 14 BOut L07 NO 15 BOut L08 Common 16 BOut L08 NO DTIVA E4 DRFP CONFIG V1 0 59 60 E4 DRFP configuration description R VT 2211 Clamp Name Target designation VT gt VT MAn 02 gt MAn 02 lt 03 gt MAn 03 lt MAn 04 gt co MAn 04 lt T CT45151 Clamp Name Target designation CT Z lt IDMT gt CT Z lt IDMT lt
4. Table 70 The floating point parameters of the line measurement function Amplitude Deadband pl A Value report Figure 9 Reporting if Amplitude mode is selected report2 DTIVA E4 DRFP_CONFIG_V1 0 44 60 report3 E4 DRFP configuration description Integral mode of reporting If the Integrated mode is selected for reporting a report is generated if the time integral of the measured value since the last report gets becomes larger in the positive or negative direction then the deadband 1sec area As an example Figure 10 shows that the integral of the current in time becomes higher than the Deadband value multiplied by 1sec this results report2 etc Integrated Deadband pl A sec Value BOQ aay report report report report4 Figure 10 Reporting if Integrated mode is selected Periodic reporting Periodic reporting is generated independently of the changes of the measured values when the defined time period elapses The required parameter setting is shown in Table 71 Integer parameters Parameter name Title Unit Min Step Default Reporting time period for the active power MXU Pinter Periodic Rep P sec 0 3600 1 0 Reporting time period for the reactive power MXU_QlIntPer_IPar_ Periodic RepQ sec 0 3600 1 0 Report
5. DTIVA E4 DRFP_CONFIG_V1 0 21 60 E4 DRFP configuration description Binary output status signals The binary output status signals are listed in Table 23 blow Binary output signals Signal title Explanation TTR49R Alm Gr Alarm Alarm signal of the line thermal protection function General trip signal of the line thermal TTR49R_GenTr_Grl_ General Trip protection function TTR49R_Lock Gr Re lose lacked Line reclose blocking signal of the line thermal protection function Table 23 The binary output status signals of the line thermal protection function Binary input status signals The line thermal protection function has two binary input status signals One of them serves to disable the function the other one resets the accumulated heat Resetting serves test purposes only if the heating calculation needs to start at a clearly defined temperature Using this signal the testing engineer need not wait until the cooling reaches the required starting temperature of the subsequent heating test Both binary input status signals are defined by the user applying the graphic equation editor The binary input status signals of the line thermal protection function are shown in Table 24 blow Binary input Title Explanation status signals Block Output status of a graphic equation defined by the user to disable the line thermal protection function Reset Output status of a graphic
6. Rated breaking current of the circuit breaker CBWear_InTrCB_FPar_ paleo Tip kA 10 0 01 10 Current Minimum level of the current below which the procedure to find the is stopped highest breaking current CBWear_Imin_FPar_ Min Current kA 0 10 0 50 0 01 0 10 Table 53 The floating point parameters of the circuit breaker wear monitoring function DTIVA E4 DRFP_CONFIG_V1 0 32 60 E4 DRFP configuration description 1 3 3 Control functions 1 3 3 1 Circuit breaker control function block CB1Pol The Circuit breaker control function block can be used to integrate the circuit breaker control of the EuroProt device into the station control system and to apply active scheme screens of the local LCD of the device The Circuit breaker control function block receives remote commands from the SCADA system and local commands from the local LCD of the device performs the prescribed checking and transmits the commands to the circuit breaker It processes the status signals received from the circuit breaker and offers them to the status display of the local LCD and to the SCADA system Main features e Local LCD of the device and Remote SCADA operation modes can be enabled or disabled individually e The signals and commands of the synchro check synchro switch function block can be integrated into the operation of the function block e Interlocking functions can be p
7. SURO ROT or E4 DRFP configuration description Type DTIVA HUNGARY ge PROT ECA E4 DRFP configuration description User s manual version information Version Date Modification Compiled by 1 0 6 2 2015 First edition Seida DTIVA E4 DRFP_CONFIG_V1 0 2 60 E4 DRFP configuration description CONTENTS 1 Configuration 4 ele EE 4 1 1 1 Protection tee EE A 11 2 Measurement TUNCHONS 5 1 1 3 Hardware 6 1 1 4 applied hardware modules A 6 1 2 MGSO TMG EE EET 7 1 3 Software configuration 8 1 3 1 The implemented funchons sese nennen 8 19 2 ne eeh 9 1 3 2 1 Railway distance protection function 21 21 9 1 3 2 2 Teleprotection function 85 11 1 3 2 3 Switch onto fault condition function GOTFCondi sess 16 1 3 2 4 Overcurrent function for railway application TOCSIR 17 1 3 2 5 Line thermal protection function for railway application TTRAOR 20 1 3 2 6 Definite time overvoltage function for railway application 59 24 1 3 2 7 Definite time undervoltage function for railway application TUV27R 2
8. Rated current In 1 5A parameter setting Rated voltage Un 100 200V parameter setting Current effective range 20 2000 of In 1 of In Voltage effective range 2 110 of Un 1 of Un Impedance effective range In 1A 0 1 200 Ohm 5 In 5A 0 1 40 Ohm Zone static accuracy soe 49 5 Hz 50 5 Hz 2 Zone angular accuracy 3 Operate time Typically 30 ms 3 ms Minimum operate time lt 25 ms Reset time 16 25 ms Reset ratio 1 1 Table 6 Technical data of the 5 zone distance protection Parameters The parameters of the distance protection function are explained in the following tables Enumerated parameters Parameter name Title Selection range Default Parameter to select the distance zones involved in the SOTF function DIS21_SOTFMd_EPar_ SOTF Zone Off Zone1 Zone2 Zone3 Zone4 Zone5 Off Parameters to select directionality of the individual zones 01 21_71_ _ Operation Off Forward Backward Off Zonet DIS21 Z2 EPar_ 27 Forward Backward NonDirectional DIS21 Z3 2 Forward Backward NonDirectional DIS21 Z4 EPar_ Off Forward Backward NonDirectional Off DIS21 Z5 EPar_ Sel Off Forward Backward NonDirectional Off Table 7 The enumerated parameters of the distance protection function Integer parameters Parameter name Title Unit Min Max Step Default Definition of minimal current enabli
9. The pre processed values include the Fourier basic harmonic phasors of the voltages and currents and the true RMS values Additionally it is in these function blocks that parameters are set concerning the voltage ratio of the primary voltage transformers and current ratio of the current transformers Based on the pre processed values and the measured transformer parameters the Line measurement function block calculates depending on the hardware and software configuration the primary RMS values of the voltages and currents and some additional values such as active and reactive power symmetrical components of voltages and currents These values are available as primary quantities and they can be displayed on the on line screen of the device or on the remote user interface of the computers connected to the communication network and they are available for the SCADA system using the configured communication system Reporting the measured values and the changes It is usual for the SCADA systems that they sample the measured and calculated values in regular time periods and additionally they receive the changed values as reports at the moment when any significant change is detected in the primary system The Line measurement function block is able to perform such reporting for the SCADA system Operation of the line measurement function block The inputs of the line measurement function are e the Fourier components and true RMS values o
10. conditions are defined by the user applying the graphic equation editor The factory defined inputs and the user defined inputs are in relationship Input Binary status signal Explanation DIS21_Z1Tr_Grl_ OR DIS21_Z2Tr_Grl_ Ge Z3Tr Gri First or second or third or fourth or fifth zone trip OR e rS command of the distance protection function Dez Z4Tr Gi Of Trip command of the switch onto fault logic DIS21 Z5Tr Sn OR Trip command of the overcurrent protection function Trip DIS21 SOTFZTr Gr js rip command of the line thermal protection function OR OR Trip command of the overvoltage protection function TrR49R OP OR Trip command of the undervoltage protection function TOVSeR Gi OR SA OR Teleprotection trip command TUV27R_GenTr_Grl_ OR SCH85 Ztp Grl_ Block ed 2 Blocking the outputs of the trip logic function Table 78 The factory defined binary input signals of the trip logic function The user defined signals are listed in Table 79 Input Binary status signal Explanation Trip 94 Tr GrO Request for trip command Block TRC94 Blocking the outputs of the trip logic function DTIVA E4 DRFP_CONFIG_V1 0 Table 79 The user defined binary input signals of the trip logic function 51 60 E4 DRFP configuration description 1 3 8 Special logics The E4 DRFP
11. 100 10000 1 1000 Table 15 The timer parameter of the Switch onto fault function 1 3 2 4 Overcurrent function for railway application TOC51R The overcurrent protection function realizes definite time or inverse time characteristics according to IEC or IEEE standards based on the current input The characteristics are harmonized with IEC 60255 151 Edition 1 0 2009 08 This function can be applied as main protection for railway applications or backup or overload protection for high voltage network elements The definite independent time characteristic has a fixed time delay when the current is above the starting current Is previously set as a parameter The standard operating characteristics of the inverse time overcurrent protection function are defined by the following formula t G TMS c when gt G 1 where t G seconds theoretical operate time with constant value of G constants characterizing the selected curve seconds a constants characterizing the selected curve no dimension G measured value of the characteristic quantity Fourier base harmonic of the current Four Gs preset value of the characteristic quantity TOC51 StCurr Start current TMS preset time multiplier no dimension IEC Title 1 IEC Inv 0 14 0 0 02 2 B IEC 13 5 0 1 3 IEC Extinv 80 0 2 4 IEC Longin
12. I gt Trip 5 GenTr Grl General Trip r 1 5 Therm OL Trip TTR49L GenTr Gr General Trip r 1 6 U gt Trip TOV59R_GenTr_Grl_ General Trip r 1 7 U Trip TUV27R GenrTr Grl General Trip r 1 8 AR Blocked REC79 Blocked Grl Blocked y 0 9 SOTF Trip SOTF Trip r 1 10 Trip circ fail TC_Failure y 0 11 CBdiscrepancy discrepancy y 0 12 LED3112 r 0 13 LED3113 r 0 14 LED3114 r 0 15 LED3115 r 0 16 LED3116 r 0 DTIVA E4 DRFP CONFIG V1 0 Table 80 LED assignment 55 60 E4 DRFP configuration description 2 External connection E4 DRFP_F __ 2211 4 FaultRelayNo_ General fault F rino KI Backup 10 Backup Backup Trip NO L 68 00 Close Common Close No T CT2 5151 Fe hen F3 ermon her 4 Lc rl To single phase AC traction line Edit by Platform IED EP Saye DTIVA PROTECTA Approved Configuration E4 DRFP_F 12 05 2018 Subject Connection diagram 0 14 21016 00 ES DTIVA E4 DRFP_CONFIG_V1 0 56 60 E4 DRFP configuration description 3 Connection assignment This chapter includes the factory configured connection assignment of the E4 DRFP configuration which belongs to the following not basic module arrangement Slot Slot B Slot C Slot D Slot E Slot F Slot G
13. Number of permitted interruptions as the function of the interrupted current The straight line of the curve is defined by two points e The number of permitted interruptions of 1 current CycNum 1 e The number of permitted interruptions of the rated breaking current of the circuit breaker CycNum Rated Trip The circuit breaker wear monitoring function finds the maximum value of the current of each interruption and calculates the wear caused by the operation performed If the sum of the calculated wear reaches the limit a warning signal is generated This indicates the time of the required preventive maintenance of the circuit breaker The procedure of monitoring starts at the receipt of a trip command on the dedicated input Trip For the start of this procedure the circuit breaker also needs to be in closed state This signal is received on the dedicated binary input CB Closed The procedure of identifying the maximum current value terminates when the current falls below the minimum current defined by the parameter CBWear_Imin_FPar_ Min Current AND the circuit breaker gets in open position This signal is received on the dedicated binary input CB Open DTIVA E4 DRFP_CONFIG_V1 0 30 60 E4 DRFP configuration description The procedure also stops if the time elapsed since its start exceeds 1 s In this case no CB wear is calculated Based on the characteristic defined above the function calculates the wear caus
14. ThOL Recorded binary signal Channel source signal 21 Start DIS21_Z1St_Grl_ Z1 Start 21 Trip DIS21 Z1Tr Grl 21 Trip Z2 Start DIS21 Z2St Gr 42 Start Z2 Trip DIS21 Z2Tr Grl 72 Trip Z3 Start DIS21 Z3St 43 Start Z3 Trip DIS21 Z3Tr Grl Z3 Trip Z4 Start DIS21 Z4St 24 Start SOTF Trip SOTF Trip Teleprot send SCH85 Send Gr Transm signal Z Teleprot Trip SCH85 4 Z Teleprot Trip Start TOC51R_GenSt_Grl_ General Start I gt Trip TOC51R_GenTr_Grl_ General Trip Th OL Alarm TTR49L_Alarm_Grl_ Alarm Th OL Trip TTR49L_GenTr_Grl_ General Trip U gt Start TOV59R_GenSt_Grl General Start U gt Trip TOV59R_GenTr_Grl_ General Trip U Start TUV27R_GenSt_Grl General Start U lt Trip TUV27R_GenTr_Grl_ General Trip Low Gas inp Din G04 Low Gas Low Gas Trip LowGas latched General Trip TRC94 GenTr Grl General Trip AR Start inp Din 209 AR Start AR Close REC79 Close Close command Final trip REC79 FinTr Grl Final Trip Reclose locked by th OL TTRA49L Lock Gr Reclose locked AR Disable inp Din 507 AR Disable AR Enable inp Din G08 AR Enable CB Opened inp Din G01 CB Opened CB Closed inp Din G02 CB Closed Manual Close inp Din 503 Manual Close Manual Close cmd Close command Table 75 Disturbance recorder recorded analog and bi
15. also cause an immediate trip command that is not selective To prevent such unselective tripping protective devices at the line ends exchange blocking logic signals The combination of the underreach overreach settings with direct trip command permissive of blocking signals facilitates several standard solutions with the aim of accelerating the trip command while maintaining selectivity The teleprotection function block is pre programmed for some of these modes of operation The required solution is selected by parameter setting the user has to assign the appropriate inputs by graphic programming DTIVA E4 DRFP CONFIG V1 0 11 60 E4 DRFP configuration description Similarly the user has to assign the send signal to a relay output and to transmit it to the far end relay The trip command is directed graphically to the appropriate input of the trip logic which will energize the trip coil Depending on the selected mode of operation the simple binary signal sent and received via a communication channel can have several meanings e Direct trip command e Permissive signal Blocking signal To increase the reliability of operation in this implementation of the telecommunication function the sending end generates a signal which can be transmitted via two different channels NOTE the type of the communication channel is not considered here It can be e Pilot wire Fiber optic channel High frequency signal over
16. closed the open state of the VT midget CB The user can define with the VT midget CB OK level on input binary user defined parameter whether this input signs the closed or the open state If this parameter is checked it means that the binary input 06 signs the closed state of the VT midget 1 3 8 3 Starting and external blocking of the Automatic reclosing function The Automatic reclosing function has two types of starting conditions in the E4 DRFP configuration The first is the starting by external input if the Bin 09 AR start binary input has been activated the Automatic reclosing function starts the first or the next cycle The other type of conditions is which the user can define by the matrix If min one of the selected rows is active e g Z1 trip row is selected and the distance protection function is tripping in the first zone then the Automatic reclosing function starts the first or the next cycle as well The user can choose from the following conditions for starting of the Automatic reclosing function e Zlitrip Z2 trip Z3 trip Teleprotection trip Overcurrent trip Th Overload trip Overvoltage trip Undervoltage trip There are some conditions in which the Automatic reclosing function is automatic blocked e g after manual close for a certain settable time and which are described in chapter 1 3 2 9 or in the detailed description of the function However the user can block and enable manually t
17. configuration contains some special factory configured logics These are defined in the graphical logic editor of the EuroCAP configuration tool and so these can be modified freely by the users with the proper eligibilities This chapter summarizes these special logics However it does not contain every detail for details please check the graphical logic equations of the configuration in the EuroCAP tool 1 3 8 1 Low gas logic If the binary input 504 Low Gas is active the trip logic the autoreclose function and the manual close command to the circuit breaker are blocked That means that in this state no trip and no close command will be generated This blocking is latched if the Low gas inp latched binary user defined parameter is checked In this case the blocking of the trip logic will not be reset until e the BIn_G04 Low gas input resets AND e reset command is given by the user in the local state of the device on the LCD screen see chapter 1 4 2 OR e a reset command is given by the user in the remote state of the device from the SCADA system from the web page of the device commands menu or via the G05 Remote Reset binary input 1 3 8 2 VT midget CB logic If the VT midget CB is in open state the Railway distance protection function is blocked The E4 DRFP configuration has a dedicated binary input for signalling this state which is the _ 06 VT midget This input can sign both of the
18. measured analogue values of the voltage input function NOTE1 The scaling of the Fourier basic component is such if pure sinusoid 57V RMS of the rated frequency is injected the displayed value is 57V The displayed value does not depend on the parameter setting values Rated Secondary NOTE2 The reference vector vector with angle 0 degree is the vector calculated for the first voltage input channel of the first applied voltage input module The first voltage input module is the one usually configured closer to the CPU module Figure 7 shows an example of how the calculated Fourier components are displayed in the on line block See the document EuroProt Remote user interface description T4 module Voltage Ch U1 55 75 Angle Ch 0 deg Voltage Ch U2 51 46 Angle Ch U2 112 deg Voltage Ch U3 60 54 Angle Ch U3 128 deg Voltage Ch U4 0 00 Angle Ch 04 0 deg Figure 8 Example On line displayed values for the voltage input module DTIVA E4 DRFP_CONFIG_V1 0 41 60 E4 DRFP configuration description 1 3 4 3 Line measurement function MXU The measurement The input values of the EuroProt devices are the secondary signals of the voltage transformers and those of the current transformers These signals are pre processed by the Voltage transformer input function block and by the Current transformer input function block These function blocks are described in separate documents
19. parameter influences the internal number format and naturally accuracy A small current is processed with finer resolution if 1A is selected If needed the phase currents can be inverted by setting the parameter CT4 Ch x Dir EPar Starpoint x where x 1 4 This inversion may be needed in protection functions such as distance protection differential protection or for any functions with directional decision These sampled values are available for further processing and for disturbance recording The performed basic calculation results the Fourier basic harmonic magnitude and angle and the true RMS value These results are processed by subsequent protection function blocks and they are available for on line displaying as well The function block also provides parameters for setting the primary rated currents of the main current transformer This function block does not need that parameter setting These values are passed on to function blocks such as displaying primary measured values primary power calculation etc Technical data Function Range Accuracy Current accuracy 1digit 20 200090 of In 1 of In CT 5151 5102 Table 59 Technical data of the current input function DTIVA E4 DRFP CONFIG V1 0 37 60 E4 DRFP configuration description Parameters The parameters of the current input function are explained in the following tables Enumerated parameters
20. protective functions implemented in the device and combines the binary signals and parameters to the outputs of the device The trip requirements are programmed by the user using the graphic equation editor The aim of the decision logic is to define a minimal impulse duration even if the protection functions detect a very short time fault The decision logic module combines the status signals and the enumerated parameter to generate the trip command on the output module of the device BIk Oper Off GenTr Tr tpulse The logic scheme of the decision logic Technical data Function Accuracy Impulse time duration Setting value 3 ms Table 43 Technical data of the Trip logic function Parameters Enumerated parameters Parameter name Title Selection range Default Selection of the operating mode TRC94 Oper Operation Off On Off Table 44 Enumerated parameters of the Trip logic function DTIVA E4 DRFP CONFIG V1 0 26 60 E4 DRFP configuration description Timer parameters Parameter name Title Unit Min Max Step Default Minimum duration of the generated impulse TRC94_TrPu_TPar_ Min Pulse Duration msec 50 60000 1 150 Table 45 Timer parameters of the Trip logic function 1 3 2 9 Automatic reclosing function for medium voltage networks REC79MV The MV automatic reclosing function can realize up to four
21. transmission line Radio or microwave Binary communication network Etc The function receives the binary signal via optically isolated inputs It is assumed that the signal received through the communication channel is converted to a DC binary signal matching the binary input requirements For the selection of one of the standard modes of operation the function offers two enumerated parameters Operation and PUTT Trip With the parameter Operation the following options are available PUTT POTT Dir Comparison Dir Blocking DUTT while with the parameter PUTT Trip with Start with Overreach can be set Permissive Underreach Transfer Trip PUTT The IEC standard name of this mode of operation is Permissive Underreach Protection PUP The protection system uses telecommunication with underreach setting at each section end The signal is transmitted when a fault is detected by the underreach zone Receipt of the signal at the other end initiates tripping if other local permissive conditions are also fulfilled depending on parameter setting For trip command generation using the parameter SCH85 PUTT EPar PUTT Trip the following options are available e with Start e with Overreach Permissive Underreach Transfer Trip PUTT with start The protection system uses telecommunication with underreach setting at each section end The signal is transmitted when a fault is detected by the underreach zone The signal is prolonged by a
22. value Reclosing started by the MV automatic reclosing function can be started either by resetting of the TRIP command or by the binary signal indicating the open state of the circuit breaker DTIVA E4 DRFP CONFIG V1 0 27 60 E4 DRFP configuration description If the reset state of the TRIP command is selected to start the MV automatic reclosing function then the conditions are defined by the user applying the graphic equation editor The binary status variable to be programmed is AutoReclosing Start If the open state of the circuit breaker is selected to start the MV automatic reclosing function then additionally to programming the AutoReclosing Start signal the conditions for detecting the open state of the CB are defined by the user applying the graphic equation editor For all four reclosing cycles separate dead times can be defined for line to line faults and for earth faults The dead time counter of any reclosing cycle is started by the starting signal but starting can be delayed Reclosing is possible only if the conditions required by the synchro check function are fulfilled The conditions are defined by the user applying the graphic equation editor The HV automatic reclosing function waits for a pre programmed time for this signal This time is defined by the user If the SYNC Release signal is not received during the running time of this timer then the synchronous switch operation is started If no sy
23. 0 open 1 0 closed 0 1 or bad 1 1 1 4 2 Control On this screen you can e block and enable the Automatic reclosing function For blocking touch the switch symbol and then push the button For enabling touch the switch symbol and then push the 0 button The switch button shows the actual status of the blocking enabling e reset the latched low gas signal if the binary input _ 04 Low Gas signal itself is not more active For hat touch the Reset soft button and then push the I button This soft button can be controlled only if the device is in local state You can switch the state of the device by the L R soft button You can check whether the latched low gas signal is active on the LED symbol with Low gas signal label on this screen If it is red the latched low gas signal is active DTIVA E4 DRFP CONFIG V1 0 54 60 E4 DRFP configuration description 1 5 LED assignment On the front panel of the device there are User LED s with the Changeable LED description label See the document Quick start guide to the devices of the EuroProt product line Some LED s are factory assigned some are free to be defined by the user No LED title LED source signal static Color Latched 1 Final Trip REC79_FinTr_Grl_ Final Trip r 1 2 General Trip TRC94 GenTr Grl General Trip r 1 3 Z Gen Trip DIS21 GenTr r 1 4
24. 2 3 Bad The available control channel to be selected is Command channel Title Explanation Can be CB1Pol_Oper_Con_ Operation On Off Using this channel the pushbuttons on the front panel of the device can be assigned to close or open the circuit breaker These are the Local commands DTIVA E4 DRFP_CONFIG_V1 0 35 60 E4 DRFP configuration description 1 3 4 Measuring functions The measured values can be checked on the touch screen of the device in the On line functions page or using an Internet browser of a connected computer The displayed values are secondary voltages and currents except the block Line measurement This specific block displays the measured values in primary units using VT and CT primary value settings Source On line measurand Unit Decimal digits VT4 module Voltage V 2 Angle U deg 0 CT4 module Current CT Z IDMT A 2 Angle CT Z lt IDMT deg 0 Current CT Th Ol A 2 Angle CT Th Ol deg 0 Railway Distance Fault location km 1 Fault react ohm 2 Loop R ohm 3 Loop X ohm 3 Thermal Overload Calc Temperature 0 Line measurement Active Power P kW 2 Reactive Power Q kVAr 2 Apparent Power S kVA 2 Power factor 2 Current CT Z lt IDMT A 0 Current CT Th Ol A 0 Voltage kV 1 Frequency Hz 2 The reference angle is the phase angle of Voltage Tabl
25. 4 DRFP_CONFIG_V1 0 43 60 E4 DRFP configuration description Floating point parameters Parameter name Title Dim Min Max Step Default Deadband value for the active power MXU PDeadB Deadband value kW 0 1 10000 0 01 10 Range value for the active power MXU Range value P kW 1 100000 0 01 500 Deadband value for the reactive power MXU QDeadB rPar Peadbandvalue kvar 1 10000 0 01 10 Range value for the reactive power MXU QRange Range value Q kVAr 1 100000 0 01 500 Deadband value for the apparent power MXU SDeadB Deadband value 5 kVA 0 1 10000 0 01 10 Range value for the apparent power MXU SRange Range value S kVA 1 100000 0 01 500 Deadband value for the current MXU IDeadB Deadband value A 1 2000 1 10 Range value for the current MXU_IRange_FPar_ Range value A 1 5000 1 500 Deadband value for the phase to neutral voltage MXU_UPhDeadB Deadband value FPar_ U ph N kV 0 1 100 0 01 1 Range value for the phase to neutral voltage MXU_UPhRange Range value FPar g kV 1 1000 0 1 231 Deadband value for the current MXU_fDeadB_FPar_ Deadband value f Hz 0 01 1 0 01 0 02 Range value for the current MXU_fRange_FPar_ Range value f Hz 0 05 10 0 01 5
26. 5 1 3 2 8 Trip logic function block ener 26 1 3 2 9 Automatic reclosing function for medium voltage networks REC79MV 27 1 3 2 10 Circuit breaker wear function CRwWear enne 30 13 3 33 1 3 3 1 Circuit breaker control function block 1Pol seen 33 1 9 4 Measuring 36 1 3 4 1 Current input function CT4 sess en nennen enne 37 1 3 4 2 Voltage input function 2 39 1 3 4 3 Line measurement function OMSU 42 1 3 5 46 1 3 6 lg EE 49 1 3 7 TRIP contact assignment eosina 51 EC RE Ee e 52 1 3 8 1 LOW ocu 52 13 8 2 VT midget 52 1 3 8 3 Starting and external blocking of the Automatic reclosing Tuncpon 52 1 3 8 4 Manual close commande 53 1 3 8 5 Faure signalling EE Eder ee 53 E NECESITE 53 1 4 1 Sft ETT 54 MEC 54 15 BREET 55 2 Extermal COMNMCCHOM D EEN een 56 3 Connection lt 57 DTIVA E4 DRFP_CONFIG_V1 0 3 60 E4 DRFP configuration description 1 Configuration description The E4 DRFP Digital Railway Feeder Protection protection device is a member of the EuroProt product lin
27. CLOSE command REC79 Close TPar_ Close Command Time msec 10 10000 10 100 Setting of the dynamic blocking time See detailed description Table 5 REC79 Dynamic Blocking Time msec 10 100000 10 1500 Setting of the blocking time after manual close command REC79 Block after Man Close msec 0 100000 10 1000 Setting of the action time max allowable duration between protection start and trip 79 msec 0 20000 10 1000 Limitation of the starting signal trip command is too long or the CB open signal received too late REC79 MaxSt Start Signal Max Time msec 0 10000 10 1000 Max delaying the start of the dead time counter REC79 DtDel TPar DeadTime Max Delay msec 0 100000 10 3000 Waiting time for circuit breaker ready to close signal REC79 CBTO CB Supervision Time msec 10 100000 10 1000 Waiting time for synchronous state signal REC79_SYN1_TPar_ SynCheck Max Time msec 500 100000 10 10000 Waiting time for synchronous switching signal REC79_SYN2_TPar_ SynSW Max Time msec 500 100000 10 10000 Table 48 Timer parameters of the Automatic reclosing function Boolean parameters Parameter name Title Default Explanation CB State Enable CB state monitoring for Not REC79_CBState_BPar
28. CONFIG_V1 0 19 60 E4 DRFP configuration description 1 3 2 5 Line thermal protection function for railway application TTRA9R Basically line thermal protection measures the sampled current RMS values are calculated and the temperature calculation is based on the RMS value of the current The temperature calculation is based on the step by step solution of the thermal differential equation This method yields overtemperature meaning the temperature above the ambient temperature of the environment Accordingly the temperature of the protected object is the sum of the calculated overtemperature and the ambient temperature The ambient temperature can be measured using e g a temperature probe generating electric analog signals proportional to the temperature In the absence of such measurement the temperature of the environment can be set using the dedicated parameter 9 Amb Ambient Temperature The selection between parameter value and direct measurement is made by setting the binary parameter TTRA9R Sens Temperature sensor Special HW input module is required If the calculated temperature calculated overtemperature ambient temperature is above the threshold values status signals are generated TTR49R Alm Alarm temperature TTRA49R Trip Trip temperature TTR49R Unl Unlock temperature For correct setting the following values must be measured a
29. CT ThOL gt CT ThOL lt MAn_T03 gt MAn_T03 lt MAn_T04 gt COIN MAn_T04 lt DTIVA E4 DRFP_CONFIG_V1 0 60 60
30. DTIVA E4 DRFP_CONFIG_V1 0 15 60 E4 DRFP configuration description 1 3 2 3 Switch onto fault condition function SOTFCond Some protection functions e g distance protection directional overcurrent protection etc need to decide the direction of the fault This decision is based on the angle between the voltage and the current In case of close in faults however the voltage of the faulty loop is near zero it is not sufficient for a directional decision If there are no healthy phases then the voltage samples stored in the memory are applied to decide if the fault is forward or reverse If the protected object is energized the close command for the circuit breaker is received in dead condition This means that the voltage samples stored in the memory have zero values In this case the decision on the trip command is based on the programming of the protection function for the switch onto fault condition This switch onto fault SOTF detection function prepares the conditions for the subsequent decision The function can handle both automatic and manual close commands The function receives the Dead line status signal from the DLD dead line detection function block After dead line detection the binary output signal AutoSOTF is delayed by a timer with a constant 200 ms time delay After voltage detection resetting of the dead line detection input signal the drop off of this output signal is delayed by a timer SOTF Drop Dela
31. Enumerated parameters of the Automatic reclosing function DTIVA E4 DRFP_CONFIG_V1 0 28 60 E4 DRFP configuration description Timer parameters Parameter name Title Unit Min Max Step Default Dead time setting for the first reclosing cycle for line to line fault REC79 PhDT1 TPar 1 Dead Time Ph msec 0 100000 10 500 Dead time setting for the second reclosing cycle for line to line fault REC79 PhDT2 2 Dead Time Ph msec 10 100000 10 600 Dead time setting for the third reclosing cycle for line to line fault REC79 PhDTS3 3 Dead Time Ph msec 10 100000 10 700 Dead time setting for the fourth reclosing cycle for line to line fault REC79 PhDT4 4 Dead Time Ph msec 10 100000 10 800 Dead time setting for the first reclosing cycle for earth fault REC79 EFDT1 TPar 1 Dead Time EF msec 0 100000 10 1000 Dead time setting for the second reclosing cycle for earth fault REC79 EFDT2 2 Dead Time EF msec 10 100000 10 2000 Dead time setting for the third reclosing cycle for earth fault REC79 3 Dead Time EF msec 10 100000 10 3000 Dead time setting for the fourth reclosing cycle for earth fault REC79 4 Dead Time EF msec 10 100000 10 4000 Reclaim time setting REC79 Reclaim Time msec 100 100000 10 2000 Impulse duration setting for the
32. Gs preset value of the characteristic quantity TOC51_StCurr_IPar_ Start current TMS preset time multiplier no dimension IEC Title ref 1 A IEC Inv Resetting after fix time delay 2 B IEC according to preset parameter 3 IEC Extinv TOC51_Reset_TPar_ 4 IEC Longinv Reset delay 5 ANSI Inv 0 46 2 6 D ANSI Modinv 4 85 2 7 E ANSI 21 6 2 8 F ANSI 29 1 2 9 ANSI Longlnv 4 6 2 10 ANSI LongVerylnv 13 46 2 11 ANSI LongExtInv 30 2 Table 17 The resetting constants of the standard dependent time characteristics DTIVA E4 DRFP_CONFIG_V1 0 18 60 E4 DRFP configuration description Technical data Function Value Accuracy Operating accuracy 20 lt Gs lt 1000 lt 2 Operate time accuracy 5 or 15 ms whichever is greater Reset ratio 0 95 Reset time Dependent time char Definite time char Approx 60 ms lt 2 or 35 ms whichever is greater Transient overreach lt 2 Pickup time lt 40 ms Overshot time Dependent time char 30 ms Definite time char 50 ms Influence of time varying value of the lt 4 input current IEC 60255 151 Measured with signal relay contact Table 18 Technical data of the overcurrent protection function Parameters Enumerated parameter Parameter name Title Selection range Default Parameter for type selection
33. Length of the time period to wait for the conditions of the synchron state After expiry of this time the synchro switch procedure is initiated see synchro check synchro switch function block description CB1Pol_SynTimOut_TPar_ Max SynChk time msec 10 5000 1 1000 Length of the time period to wait for the synchro switch impulse see synchro check synchro switch function block description After this time the function resets no switching is performed CB1Pol_SynSWTimOut_ TPar_ Max SynSW time msec 0 60000 1 0 Duration of the waiting time between object selection and command selection At timeout no command is performed CB1Pol_SBOTimeout_ Timeout msec 1000 20000 5000 If this parameter is set to 0 then the StartSW output is not activated Table 57 Timer parameters of the circuit breaker control function DTIVA E4 DRFP CONFIG V1 0 34 60 E4 DRFP configuration description Available internal status variable and command channel To generate an active scheme on the local LCD there is an internal status variable indicating the state of the circuit breaker Different graphic symbols can be assigned to the values See Chapter 3 2 of the document EuroCAP configuration tool for EuroProt devices Status variable Title Explanation Can be 0 Intermediate CB1Pol_stVal_Ist_ Status 1 Off
34. Off Definite Time IEC Inv IEC Verylnv IEC Extinv IEC Longinv ANSI TOCSTAOper_EPar Operation Inv ANSI ANSI Veryinv ANSI Off ANSI LongInv ANSI LongVerylnv ANSI LongExtlnv Table 19 The enumerated parameters of the overcurrent protection function Integer parameter Parameter name Title Unit Min Step Default Starting current parameter TOC51R_StCurr_ IPar_ Start Current 10 1000 1 50 Table 20 The integer parameters of the overcurrent protection function Float parameter Parameter name Title Unit Min Step Default Time multiplier of the inverse characteristics OC module TOC51R_Multip FPar Time Multiplier 0 05 999 0 01 1 0 Table 21 Float parameter of the OC function block Timer parameters Parameter name Title Unit Min Max Step Default Minimal time delay for the inverse characteristics TOC51R_MinDel_TPar_ Min Time Delay msec 0 60000 1 100 Definite time delay Definite Time Delay TOC51R_DefDel_TPar_ x msec 0 60000 1 100 Reset time delay for the IEC type inverse characteristics TOC51R_Reset_TPar_ Reset Time msec 0 60000 1 100 Valid for inverse type characteristics WValid for definite type characteristics only Table 22 Timer parameters of the overcurrent protection function DTIVA E4 DRFP_
35. Slot Slot I Slot J Slot Slot L Slot Slot Slot O Slot P Slot R Slot 5 Slot T Slot Slot V PSTP 012 012 R84 R8 Mis CT 2101 1101 1101 00 00 2211 5151 1201 _ SB Se ol 5 212 o PES SE Bg gt 2 RJ 45 E 1A CH ED gt BH 2 fw 2 fw E is BLA 2 BLA 16 BLA 16 BLA8 STVS 8 Figure 11 Module arrangement for the given factory configured connection assignment PSTP 2101 Target designation 1 AuxPS 2 AuxPS 3 Fault Relay Common 4 Fault Relay NO 5 Fault Relay NC 6 Trip 7 Trip 8 Trip NO 9 Backup Trip 10 Backup Trip 11 Backup Trip NO DTIVA E4 DRFP_CONFIG_V1 0 57 60 E4 DRFP configuration description F 012 1101 Clamp Name Target designation 1 01 2 02 3 4 1 3 5 F04 6 F05 7 06 8 Opto 4 6 9 F07 10 F08 11 F09 12 Opto 7 9 13 F10 14 Din 11 15 F12 16 Opto 10 12 G 012 1101 Clamp Name Target designation CB Opened CB Closed Manual Close Opto 1 3 Low Gas Remote Reset VT midget CB CONDO gt Opto 4 6 c AR Disable
36. Technical data Function Range Accuracy Voltage accuracy 30 130 lt 0 5 Table 63 Technical data of the voltage function Parameters The parameters of the voltage input function are explained in the following tables Enumerated parameters Parameter name Title Selection range Default Rated secondary voltage of the input channels 100 V or 200V is selected by parameter setting no hardware modification is needed Range Type 100 Type 200 Type 100 Connection of the voltage inputs main VT secondary VT4_ChiNom_EPar_ Connection U1 Ph N Ph Ph Ph N VT4_Ch2Nom_EPar_ Connection U2 Ph N Ph Ph Ph N VT4_Ch3Nom_EPar_ Connection U3 Ph N Ph Ph Ph N VT4_Ch4Nom_EPar_ Connection U4 Ph N Ph Ph Ph N Definition of the positive direction of the first three input channels given as normal or inverted VT4_Ch1Dir_EPar_ Direction U1 Normal Inverted Normal VT4_Ch2Dir_EPar_ Direction U2 Normal Inverted Normal VT4 Ch3Dir EPar_ Direction U3 Normal Inverted Normal VT4_Ch4Dir_EPar_ Direction U4 Normal Inverted Normal Table 64 The enumerated parameters of the voltage input function Integer parameter Parameter name Title Unit Min Max Step Default Voltage correction VT4 CorrFact VT correction 96 100 115 1 100 Table 65 The integer parameter of the v
37. _ Monitoring 0 Ready state REC79_Acc1_BPar_ Accelerate 1 Trip 0 eq Hpgommand ar staning REC79_Acc2_BPar_ Accelerate 2 Trip 0 4 A REC79_Acc3_BPar_ Accelerate 3 Trip 0 2 79_ 4_ _ Accelerate 4 Trip 0 Mp gommand at stating 79 5 Accelerate FinTrip 0 Accelerate final trip command Table 49 Boolean parameters of the Automatic reclosing function DTIVA E4 DRFP_CONFIG_V1 0 29 60 E4 DRFP configuration description 1 3 2 10 Circuit breaker wear function CBWear If a circuit breaker interrupts a current the electric arc between the contacts results some metal loss If the metal loss due to the burning of the electric arc becomes substantial the contacts must be replaced Manufacturers define the permitted number of short circuits by formulas such as CycNum where n number of short circuits k exponent short circuit current kA RMS CycNum total value of weighted breaking currents Similar information is conveyed by the diagram below This shows the number of permitted interruptions logarithmic scaling versus short circuit current logarithmic scaling that the contacts in a circuit breaker can manage before the metal loss due to burning becomes so significant that the contacts must be replaced Number of interruptions N 5 000 2 000 1 000 500 200 100 50 20 20 30 40 50 63 2 45 1 5 Short circuit current Figure 6 Example
38. based on its two bit state signals longer than the time which is given by the CB failure user defined timer parameter CB Failure event will be generated Trip circuit failure if the circuit breaker is closed based on its two bit state signals and min one of the two trip circuit supervision signals of the two trip contacts is missed for longer time than which is set by intermediate time user defined timer parameter the circ fail LED lights yellow This LED is not latched Circuit breaker discrepancy if the status signals coming from the circuit breaker are conflicting i e both of closed and open are active or none of them is active for longer time than which is set by CB intermediate time user defined timer parameter the CB discrepancy LED lights yellow This LED is not latched 1 4 LCD screens A general description can be found about the handling the LCD screens in the document LCD touchscrenn interface description http www protecta hu epp english SW guide europrot english V1 0 pdf The special LCD screens of the E4 DRFP configuration are presented in this chapter These Screens can be edited also by users with Master view in the EuroCAP tool DTIVA E4 DRFP CONFIG V1 0 53 60 E4 DRFP configuration description 1 4 1 Schema On this screen the state of the circuit breaker can be checked It has four states based on the two bit state signals of the circuit breaker intermediate 0
39. cides how long the MV automatic reclosing function is allowed to wait at the end of the dead time for this signal If the signal is not received during this dead time extension then the MV automatic reclosing function terminates Depending on binary parameter settings the automatic reclosing function block can accelerate trip commands of the individual reclosing cycles This function needs user programmed graphic equations to generate the accelerated trip command The duration of the close command depends on preset parameter value Close command time but the close command terminates if any of the protection functions issues a trip command The MV automatic reclosing function can control up to four reclosing cycles Depending on the preset parameter values EarthFaults Rec Cycle and PhaseFaults Rec Cycle there different modes of operation both for earth faults and for multi phase faults Disabled No automatic reclosing is selected 1 Enabled Only one automatic reclosing cycle is selected 1 2 Enabled Two automatic reclosing cycles are activated 1 2 3 Enabled Three automatic reclosing cycles are activated 1 2 3 4 Enabled All automatic reclosing cycles are activated The function can be switched Off On using the parameter Operation The user can also block the MV automatic reclosing function applying the graphic equation editor The binary status variable to be programmed is Block Depending on the preset parameter
40. direction This signal is prolonged if a general trip command is generated Receipt of the signal at the other end permits the initiation of tripping by the local protection if it detected a fault in forward direction ZSt Fw Rect G Rec2 en Tr Send ZStFw Blk Blk SSES CarrFail SEND RECEIVE Blk CarrFail Blocking directional comparison Dir Blockin The IEC standard name of this mode of operation is Blocking Overreach Protection BOP The protection system uses telecommunication with overreach setting at each section end The blocking signal is transmitted when a reverse external fault is detected The signal is prolonged by a drop down timer For the trip command the forward fault detection is delayed to allow time for a blocking signal to be received from the opposite end Receipt of the signal at the other end blocks the initiation of tripping of the local protection The received signal is accepted only if the duration is longer then the parameter Min Block Time and the signal is prolonged by a drop down timer Blk CarrFail SEND RECEIVE DTIVA E4 DRFP_CONFIG_V1 0 14 60 E4 DRFP configuration description Direct underreaching transfer trip DUTT The IEC standard name of this mode of operation is Intertripping Underreach Protection IUP The protection system uses telecommunication with underreach setting at each section end The signal is transmitted when a fault is detected by the underreach zone Rece
41. drop down timer Receipt of the signal at the other end initiates tripping in the local protection if it is in a started state DTIVA E4 DRFP_CONFIG_V1 0 12 60 E4 DRFP configuration description UZSt Blk Send CarrFail SEND RECEIVE Permissive Underreach Transfer Trip PUTT with Overreach The protection system uses telecommunication with underreach setting at each section end The signal is transmitted when a fault is detected by the underreach zone The signal is prolonged by a drop down timer Receipt of the signal at the other end initiates tripping if the local overreaching zone detects fault UZSt Rec1 Rec2 OZSt Blk Blk CarrFail CarrFail SEND RECEIVE Permissive Overreach Transfer Trip POTT The IEC standard name of this mode of operation is Permissive Overreach Protection POP The protection system uses telecommunication with overreach setting at each section end The signal is transmitted when a fault is detected by the overreach zone This signal is prolonged if a general trip command is generated Receipt of the signal at the other end permits the initiation of tripping by the local overreach zone OZSt Rec1 GenTr Rec2 en 079 Blk Blk CarrFail CarrFail SEND RECEIVE DTIVA E4 DRFP CONFIG V1 0 13 60 E4 DRFP configuration description Directional comparison Dir Comparison The protection system uses telecommunication The signal is transmitted when a fault is detected in forward
42. e made by Protecta Co Ltd The EuroProt type devices are complex and modular protections in respect of hardware and software The modules are assembled and configured according to the requirements and then the software determines the functions This manual describes the specific application of the E4 DRFP factory configuration 1 1 Application The members of the DTIVA product line are configured to protect and control the elements of the medium voltage networks The E4 DRFP configuration can be applied for all protection and auxiliary functions for single phase AC traction supply systems 1 1 1 Protection functions The devices with E4 DRFP configuration measure the current and the voltage of the railway overhead wire These measurements allow the Railway distance protection function which is the main function of this application extended with Teleprotection and Switch onto fault and Fault locator functions The configured protection functions are listed in the Table below Protection functions Railway distance protection Overcurrent protection Thermal overload Definite time overvoltage protection Definite time undervoltage protection Auto reclose Circuit breaker wear Teleprotection Switch onto fault logic gt lt gt lt KKK OK x x Table 1 The protection functions of the E4 DRFP configuration DTIVA E4 DRFP CONFIG V1 0 4 60 E4 DRFP configuration description The configured functions are drawn symbo
43. e 58 Measured analog values DTIVA E4 DRFP CONFIG V1 0 36 60 E4 DRFP configuration description 1 3 4 1 Current input function CT4 If the factory configuration includes a current transformer hardware module the current input function block is automatically configured among the software function blocks Separate current input function blocks are assigned to each current transformer hardware module A current transformer hardware module is equipped with four special intermediate current transformers See Chapter 5 of the EuroProt hardware description document For railway applications all four channels are independent Consequently all four current inputs need individual setting The role of the current input function block is to set the required parameters associated to the current inputs e deliver the sampled current values for disturbance recording e perform the basic calculations o Fourier basic harmonic magnitude and angle o True RMS value e provide the pre calculated current values to the subsequent software modules e deliver the calculated Fourier basic component values for on line displaying The current input function block receives the sampled current values from the internal operating system The scaling even hardware scaling depends on parameter setting See parameters Ch x Nom EPar Rated Secondary x where 1 4 The options to choose from are 1A or 5A in special applications 0 2A or 1A This
44. eaker control function DTIVA E4 DRFP_CONFIG_V1 0 33 60 E4 DRFP configuration description Parameters Enumerated parameter Parameter name Title Selection range Default The control model of the circuit breaker node according to the IEC 61850 standard Direct normal Direct enhanced CB1Pol ctlMod EPar ControlModel SBO enhanced Direct normal ControlModel e Direct normal only command transmission e Direct enhanced command transmission with status check and command supervision e SBO enhanced Select Before Operate mode with status check and command supervision Table 55 Enumerated parameter of the circuit breaker control function Boolean parameter Boolean parameter Title Explanation CB1Pol DisOverR BPar Forced check If true then the check function cannot be neglected by the check attribute defined by the IEC 61850 standard Table 56 Boolean parameter of the circuit breaker control function Timer parameters Parameter name Title Unit Min Max Step Default Timeout for signaling failed operation CB1Pol TimOut Max Operating time msec 10 1000 1 200 Duration of the generated On and Off impulse CB1Pol Pulse TPar Pulse length msec 50 500 1 100 Waiting time at expiry intermediate state of the CB is reported CB1Pol MidPos TPar Max Intermediate time msec 20 30000 1 100
45. ed by the operation performed H the sum of the calculated wear reaches the limit defined by the parameter CBWear CycNumAlm CycNum Alarm a warning signal is generated Alarm This indicates the advised time of the preventive maintenance of the circuit breaker The accumulated wear of the circuit breaker is stored on non volatile memory therefore the value is not lost even if the power supply of the devices is switched off This information is displayed among the on line data as Actual wear This counter indicates how many 1 kA equivalent switches were performed since the last maintenance reset When preventive maintenance is performed the accumulated wear of the circuit breaker must be reset to 0 to start a new maintenance cycle The circuit breaker wear monitoring function offers two ways of resetting Binary True signal programmed to the Reset input of the function e Performing a direct command via the Commands menu of the supervising WEB browser for details see the Europrot manual Remote user interface description document The inputs of the circuit breaker wear monitoring function are e Fourier components of the current e binary inputs e parameters The output of the circuit breaker wear monitoring function is e Alarm binary output status signal Technical data Function Range Accuracy Current accuracy 20 2000 of In 1 of In Accuracy in tracking the
46. efined by the user applying the graphic equation editor The disturbance recorder function keeps on recording during the active state of this signal but the total recording time is limited by the timer parameter setting The pre fault time max recording time and post fault time can be defined by parameters If the triggering conditions defined by the user using the graphic equation editor are satisfied and the function is enabled by parameter setting then the disturbance recorder starts recording the sampled values of configured analog signals and binary signals The analog signals can be sampled values voltages and currents received via input modules or they can be calculated analog values such as negative sequence components etc The number of the configured binary signals for recording is limited to 64 and up to 32 analog channels can be recorded The available memory for disturbance records is 12 MB The function applies 20 sampling in a network period Accordingly for 50 Hz the sampling frequency is 1 kHz For 60 Hz the sampling frequency is 1 2 kHz As an example for 50 Hz if the duration of the record is 1000 ms then one analog channel needs about 7 kB and a binary channel needs 2 kB Using the following formula the memory size can be estimated Memory size of a record n 7 kB m 2 kB record duration s Here n m are the number of analog and binary channels respectively During the operation of the function t
47. equation defined by the user to reset the accumulated heat and set the temperature to the defined value for the subsequent heating test procedure TTR49R_Reset_GrO_ Table 24 The binary input signals of the line thermal protection function On line measured value On line measured value Explanation TTR49R_Temp_OLM_ The calculated temperature Table 25 The on line measured value of the line thermal protection function Technical data Function Accuracy Operate time at I 1 2 Itrip lt 3 or lt 20 ms Table 26 Technical data of the line thermal protection function DTIVA E4 DRFP_CONFIG_V1 0 22 60 E4 DRFP configuration description Parameters Enumerated parameter Parameter name Title Selection range Default Parameter for mode of operation TTR49R_Oper_EPar_ Operation Off Pulsed Locked Off Table 27 The enumerated parameters of the line thermal protection function The meaning of the enumerated values is as follows Off The function is switched off no output status signals are generated Pulsed The function generates a trip pulse if the calculated temperature exceeds the trip value Locked The function generates a trip signal if the calculated temperature exceeds the trip value It resets only if the temperature cools below the Unlock temperature Integer parameters
48. f the measured voltages and currents e frequency measurement e parameters The outputs of the line measurement function are e displayed measured values e reports to the SCADA system NOTE the scaling values are entered as parameter setting for the Voltage transformer input function block and for the Current transformer input function block The measured values The measured values of the line measurement function depend on the hardware configuration Table 68 shows the list of the measured values available in the E4 DRFP configuration Measured value Explanation MXU P OLM Active Power P Fourier base harmonic value MXU OLM Reactive Power Fourier base harmonic value MXU S OLM Apparent Power S Fourier base harmonic value MXU Fi OLM Power factor MXU H OM Current CT Z IDMT MXU 2 OM Current CT Th Ol MXU U1 Voltage MXU f OLM Frequency Table 68 Example Measured values in the E4 DRFP configuration DTIVA E4 DRFP CONFIG V1 0 42 60 E4 DRFP configuration description Reporting the measured values and the changes For reporting additional information is needed which is defined in parameter setting In the E4 DRFP configuration the following parameters are available Enumerated parameters Parameter name Title Selection range Default Selection of the rep
49. he function as well This can be done e onthe LCD screen see chapter 1 4 2 e performing a direct command via the Commands menu of the supervising WEB browser e giving an impulse to the binary inputs Bin GO7 AR disable for blocking and Bin 508 AR enable for enabling the function After the manual enabling of the function it will be active only when it is not blocked by other conditions DTIVA E4 DRFP CONFIG V1 0 52 60 E4 DRFP configuration description 1 3 8 4 Manual close commands Manual close commands can be given e the Circuit breaker function block from the SCADA system or performing a direct command via the Commands menu of the supervising WEB browser see chapter 1 3 3 1 by the BIn_G03 Manual Close binary input if the Manual close inp enable binary user defined parameter is checked Both type of close command is enabled only if e none of the protection functions give a trip command AND timer of the final trip signalling of the Automatic reclosing function block is not running see chapter 1 3 2 9 AND e there is no latched low gas signalling The close command is given on the BOut 101 Close binary output contact 1 3 8 5 Failure signalling There are some failures of the circuit breaker or of the secondary wiring which can be detected and signed by the device Circuit breaker failure if the trip logic function is giving a trip command and the circuit breaker is closed
50. he pre fault signals are preserved for the time duration as defined by the parameter PreFault The recording duration is limited by the parameter Max Recording Time but if the triggering signal resets earlier this section is shorter The post fault signals are preserved for the time duration as defined by the parameter PostFault During or after the running of the recording the triggering condition must be reset for a new recording procedure to start The records are stored in standard COMTRADE format DTIVA E4 DRFP CONFIG V1 0 46 60 E4 DRFP configuration description The procedure for downloading the records is described in detail in the EuroProt manual Remote user interface description Chapter 4 7 The three files are zipped in a file zip This procedure assures that the three component files cfg dat and inf are stored in the same location The evaluation can be performed using any COMTRADE evaluator software Protecta offers the srEval software for this purpose The application of this software is described in detail in the srEval manual This manual can be downloaded from the following Internet address http www softreal hu product sreval en shtml Parameters Enumerated parameter Parameter name Title Selection range Default Parameter for activation DRE Oper EPar Operation Off On Off Table 1 73 The enumerated parameter of the disturbance recorder function T
51. imer parameters Parameter name Title Unit Min Max Step Default Pre fault time DRE PreFault TPar PreFault msec 100 1000 1 200 Post fault time DRE_PostFault_TPar_ PostFault msec 100 1000 1 200 Overall fault time limit DRE_MaxFault_TPar_ Max Recording Time msec 500 10000 1 1000 Table 1 74 The timer parameters of the disturbance recorder function NOTE The device gets automatically in Warning state and sends the following warning message if the sum of the pre fault time and post fault time is longer than the overall fault time The corresponding message in the RDSP log file is Wrong DR settings PreFault PostFault must be less than MaxFault Check the parameters LOG files System log files RDSP log System messages HMI log files LCD log Web error log Communication log files SPORT comm log Serial comm log 1EC61850 log Warnings and Errors Application warning 0x0800 general Param error Backup Report Build and download system state report This Get file function is suitable to make backup from the device The recorded channels of the E4 DRFP configuration are listed in the following tables DTIVA E4 DRFP_CONFIG_V1 0 47 60 E4 DRFP configuration description Recorded analog signal Channel source signal Unit VT 1 VT CT Z lt IDMT 701 CT Z lt IDMT CT ThOL MAn_T02 CT
52. ing time period for the apparent power MXU SintPer IPar Periodic Rep S Sec 0 3600 1 0 Reporting time period for the voltage MXU UlntPer IPar Periodic Rep U sec 0 3600 1 0 Reporting time period for the current MXU_IIntPer_IPar_ Periodic Rep sec 0 3600 1 0 Reporting time period for the frequency MXU flntPer IPar Periodic Rep f sec 0 3600 1 0 Table 71 The integer parameters of the line measurement function If the reporting time period is set to 0 then no periodic reporting is performed for this quantity All reports can be disabled for a quantity if the reporting mode is set to See Table 69 DTIVA E4 DRFP_CONFIG_V1 0 45 60 E4 DRFP configuration description Technical data Function Range Accuracy Current accuracy 0 2 In 0 5 In X295 1 digit with CT 5151 or CT 5102 modules 0 5 In 20 In 1 1 digit with CT 1500 module 0 03 In 2 In 20 59 1 digit Voltage accuracy 5 15096 of Un 10 596 of Un 1 digit Power accuracy 1 596 In 2395 1 digit Frequency accuracy 2mHz 45Hz 55Hz Table 72 Technical data of line measurement 1 3 5 Disturbance recorder The disturbance recorder function can record analog signals and binary status signals These signals are configured using the EuroCAP software tool The disturbance recorder function has a binary input signal which serves the purpose of starting the function The conditions of starting are d
53. ipt of the signal at the other end initiates tripping independent of the state of the local protection 075 1 2 Blk Send Blk CarrFail CarrFail SEND RECEIVE Technical data Function Accuracy Operate time accuracy 5 or 15 ms whichever is greater Table 11 Technical data of the Teleprotection function Parameters Enumerated parameters Parameter name Title Selection range Default Parameter for teleprotection type selection PUTT Dir comparison SCH85_Op_EPar_ Operation Dir blocking DUTT Off Parameter for PUTT type selection SCH85_PUTT_EPar_ with Start with Overreach MUR ar Trip reach Table 12 Enumerated parameters of the Teleprotection function Timer parameters Parameter name Title Unit Min Max Step Default Send signal prolong time SCH85 Send TPar Send Prolong time ms 1 10000 1 10 Received direct trip delay time for DUTT Direct delay SCH85_DirTr_TPar_ DUTT ms 1 10000 1 10 Forward fault detection delaying for Dir Blocking SCH85_St_TPar_ Z Start delay block ms 1 10000 1 10 Duration limit for Dir Blocking SCH85_MinBIk_TPar win Block time ms 1 10000 1 10 Prolong duration for Dir Blocking SCH85_ProBlk_TPar Prolong Block time ms 1 10000 1 10 Table 13 Timer parameters of the Teleprotection function
54. istance protection function Timer parameters Parameter name Title Unit Min Max Step Default Time delay for the zones individually DIS21 Z1Del TPar Zone1 Time Delay ms 0 60000 1 0 DIS21 Z2Del Zone2 Time Delay ms 0 60000 1 400 DIS21 Z3Del TPar Zone3 Time Delay ms 0 60000 1 800 DIS21 Z4Del TPar Zone4 Time Delay ms 0 60000 1 2000 DIS21 Z5Del TPar Zoned Time Delay ms 0 60000 1 2000 Table 10 The timer parameters of the distance protection function 1 3 2 2 Teleprotection function SCH85 The non unit protection functions generally distance protection can have two three or even more zones available These are usually arranged so that the shortest zone corresponds to an impedance slightly smaller than that of the protected section underreach and is normally instantaneous in operation Zones with longer reach settings are normally time delayed to achieve selectivity As a consequence of the underreach setting faults near the ends of the line are cleared with a considerable time delay To accelerate this kind of operation protective devices at the line ends exchange logic signals teleprotection These signals can be direct trip command permissive or blocking signals In some applications even the shortest zone corresponds to an impedance larger than that of the protected section overreach As a consequence of the overreach setting faults outside the protected line would
55. l then a start signal is generated The function generates a start signal The general start signal is set if the voltage is below the preset parameter setting value and above the defined minimum level The function generates a trip command only if the time delay has expired and the parameter selection requires a trip command as well The binary output status signals of the definite time undervoltage protection function are listed in Table 37 Binary output signals Signal title Explanation TUV27R_GenSt_Grl General Start Starting of the function TUV27R_GenTr_Grl_ General Trip Trip command of the function Table 37 The binary output status signals of the definite time undervoltage protection function Technical data Function Value Accuracy Pick up starting accuracy lt 0 5 96 Blocking voltage lt 1 5 Reset time U gt Un 50 ms U gt 0 40 ms Operate time accuracy lt 20ms Minimum operate time 50 ms Table 38 Technical data of the undervoltage protection function Parameters Enumerated parameters Parameter name Title Selection range Default Enabling or disabling the undervoltage protection function TUV27R_Oper_EPar_ Operation Off On Off Table 39 The enumerated parameters of the undervoltage protection function Integer parameters Parameter name Title Unit Min Max Step Default Starting voltage level setting If the meas
56. lically in the Figure below E4 DRFP Measured values Recording features gt Event Recording U I P Q S cos f gt Disturbance Recording Figure I Implemented protection functions 1 1 2 Measurement functions Based on the hardware inputs the measurements listed in Table below are available Measurement functions Current I CT Z lt IDMT CT Th Ol Voltage and frequency Power P S 5 Circuit breaker wear Supervised trip contacts TCS Table 2 The measurement functions of the E4 DRFP configuration DTIVA E4 DRFP CONFIG V1 0 5 60 E4 DRFP configuration description 1 1 3 Hardware configuration The minimum number of inputs and outputs are listed in the Table below Hardware configuration Mounting Panel instrument case Current inputs 4th channel can be sensitive Voltage inputs Digital inputs Digital outputs Fast trip outputs Temperature monitoring RTDs 38 49T Table 3 The basic hardware configuration of the E4 DRFP configuration The basic module arrangement of the E4 DRFP configuration is shown below Slot L Slot M Slot P Slot Slot 5 Slot T 00 B 3 8 Figure 2 Basic module arrangement of the E4 DRFP configuration 84HP rear view 1 1 4 The applied hardware modules The applied modules are listed in Table 4 The technical specification of the device and that of the modules are de
57. line application Continuous measurement of impedance in the loop between the overhead line and the earth Impedance calculation is conditional of the values of the current being sufficient The current is considered to be sufficient for impedance calculation if it is above the defined value e Five independent distance protection zones are configured e The operating decision is based on polygon shaped characteristics e The directional decision is dynamically based on measured loop voltage if it is sufficient for decision o Voltage samples stored in the memory if they are available The operation of any zones can be directional or non directional if it is optionally selected e Non directional impedance protection function is applied in case of switch onto fault e Distance to fault evaluation is implemented fault locator function Binary input signals and conditions can influence the operation o Mblocking enabling o VT failure signal Angle 2nd Quad Zone X j Load Angle Line Angle H acerca 1 i Rload gt d es m Angle 4th Quad Zone R Figure 5 The polygon characteristics of the distance protection function on the complex plane DTIVA E4 DRFP CONFIG V1 0 9 60 E4 DRFP configuration description Technical data Function Range Accuracy Number of zones 5
58. nary channels DTIVA E4 DRFP CONFIG V1 0 48 60 E4 DRFP configuration description 1 3 6 Event recorder The events of the device and those of the protection functions are recorded with a time stamp of 1 ms time resolution This information with indication of the generating function can be checked on the touch screen of the device in the Events page or using an Internet browser of aconnected computer They can be reported to the SCADA system as well The possible events of the devices with E4 DRFP configuration are listed in Table 76 Source Event Common Mode of device Health of device Railway Distance 71 Start Z1 Trip Z2 Start Z2 Trip Z3 Start Z3 Trip Z4 Start 24 Trip 75 Start 25 Trip Fault Loc km Teleprotection Receive signal 1 Receive signal 2 Teleprot Trip Send signal Carrier Failed Overcurrent General Start General Trip Thermal Overload Alarm General Trip OverVoltage General Start General Trip UnderVoltage General Start General Trip Trip Logic General Trip MV AutoReclosing Blocked Close Command Status Actual cycle Final Trip CB Wear Alarm 4Ch Counter 71 Start 72 Start Z3 Start 74 Start DTIVA E4 DRFP_CONFIG_V1 0 49 60 E4 DRFP configuration description So
59. nchronous switching is possible then the MV automatic reclosing function resets In case of a manual close command which is assigned to the binary input Manual Close using graphic equation programming a preset parameter value decides how long the MV automatic reclosing function should be disabled after the manual close command The MV automatic reclosing function can be blocked by a binary input The conditions are defined by the user applying the graphic equation editor Technical data Function Accuracy Operating time 1 of setting value or 30 ms Table 46 Technical data of the Automatic reclosing function Parameters Enumerated parameters Parameter name Title Selection range Default Switching ON OFF the MV automatic reclosing function REC79 Op Operation Off On On Selection of the number of reclosing sequences in case of earth faults REC79 EFCycEn EPar EarthFault Disabled 1 Enabled 1 2 Enabled 1 Enabled SS RecCycle 1 2 3 Enabled 1 2 3 4 Enabled Selection of the number of reclosing sequences in case of line to line faults REC79_PhFCycEn_EPa PhaseFault Disabled 1 Enabled 1 2 Enabled 1 Enabled r RecCycle 1 2 3 Enabled 1 2 3 4 Enabled Selection of triggering the dead time counter trip signal reset or circuit breaker open position Reclosing REC79_St_EPar_ Started by Trip reset CB open Trip reset Table 47
60. nd set as parameters TTRA9R Inom Rated load current continuous current applied for the measurement 9 Max IPar Rated temperature the steady state temperature at rated load current 49 IPar Base Temperature the temperature of the environment during the measurement of the rated values TTRA49R time constant measured heating cooling time constant of the exponential temperature function When energizing the protection device the algorithm permits the definition of the starting temperature as the initial value of the calculated temperature 9 Str Par Startup Temp Initial temperature above the temperature of the environment as compared to the rated temperature above the base temperature The problem of metal elements the protected line exposed to the sun is that they are overheated as compared to the ambient temperature even without a heating current furthermore they are cooled mostly by the wind and the heat transfer coefficient is highly dependent on the effects of the wind As the overhead lines are located in different geographical environments along the tens of kilometers of the route the effects of the sun and the wind cannot be considered in detail The best approximation is to measure the temperature of a piece of overhead line without current but exposed to the same environmental conditions as the protected line itself The application of thermal protecti
61. ng impedance calculation DIS21_Imin_IPar_ Base Sens 10 30 1 20 Definition of the polygon characteristic angle the 274 quadrant of the impedance plane DIS21_dirRX_ Par_ Angle 2th Quad deg 0 30 1 15 Definition of the polygon characteristic angle in the 4 quadrant of the impedance plane DIS21_dirXR_IPar_ Angle 4nd Quad deg 0 30 1 15 Definition of the load angle of the polygon characteristic DIS21_LdAng_ Par_ Load Angle deg 0 45 1 30 Definition of the line angle DIS21 LinAng IPar Line Angle deg 45 90 1 75 Table 8 The integer parameters of the distance protection function DTIVA E4 DRFP CONFIG V1 0 10 60 E4 DRFP configuration description Floating point parameters Parameter name Title Dim Min Max Default R and X setting values for the five zones individually DIS21_Z1R_FPar Zonei ohm 0 1 200 10 01521 Z2H FPar Zone2 R ohm 0 1 200 10 01521 Z3H FPar Zone3 R ohm 0 1 200 10 01521 ZAR FPar Zone4 R ohm 0 1 200 10 01521 Z5H FPar Zoned R ohm 0 1 200 10 DIS21_Z1X_FPar Zonei X ohm 0 1 200 10 DIS21 Z2X FPar Zone2 X ohm 0 1 200 10 DIS21 Z3X FPar Zone3 X ohm 0 1 200 10 DIS21 74 FPar Zone4 X ohm 0 1 200 10 DIS21 Z5X FPar Zoned X ohm 0 1 200 10 Load encroachment setting DIS21 FPar R Load ohm 0 1 200 10 Table 9 The floating point parameters of the d
62. oltage input function DTIVA E4 DRFP CONFIG V1 0 40 60 E4 DRFP configuration description Floating point parameters Parameter name Title Dim Min Max Default Rated primary voltage VT4 PriU1 FPar Rated Primary U1 kV 1 1000 100 VT4 PriU2 FPar Rated Primary U2 kV 1 1000 100 VT4 PriU3 FPar Rated Primary U3 kV 1 1000 100 VT4 PriUA FPar Rated Primary U4 kV 1 1000 100 Table 66 The floating point parameters of the voltage input function NOTE The rated primary voltage of the channels is not needed for the voltage input function block itself These values are passed on to the subsequent function blocks On line measurements The measured values of the voltage input function block Measured value Dim Explanation Voltage Ch U1 V secondary Fourier basic component of the voltage in channel UL 1 Angle Ch U1 degree Vector position of the voltage in channel UL 1 Voltage Ch 02 V secondary Fourier basic component of the voltage in channel UL2 Angle Ch U2 degree Vector position of the voltage in channel UL2 Voltage Ch U3 V secondary Fourier basic component of the voltage in channel UL3 Angle Ch U3 degree Vector position of the voltage in channel UL3 Voltage Ch 04 V secondary Fourier basic component of the voltage in channel U4 Angle Ch U4 degree Vector position of the voltage in channel U4 Table 67 The
63. on of the overhead line is a better solution than a simple overcurrent based protection because thermal protection remembers the preceding load states of the line and the setting of the thermal protection does not need so a high security margin between the permitted current and the permitted continuous thermal current of the line In a broad range of load states and in a broad range of ambient temperatures this permits the better exploitation of the thermal and consequently current carrying capacity of the line The thermal differential equation to be solved is dO _ 1 LOR dt T DTIVA E4 DRFP_CONFIG_V1 0 20 60 E4 DRFP configuration description The definition of the heat time constant is T cm hA In this differential equation I t RMS heating current the RMS value usually changes over time R resistance of the line specific heat capacity of the conductor m mass of the conductor 0 rise of the temperature above the temperature of the environment h heat transfer coefficient of the surface of the conductor A area of the surface of the conductor t time The solution of the thermal differential equation for constant current is the temperature as the function of time The mathematical derivation of this equation is described in a separate document Se O t 1 7 te 7 2 t Ed P 2 Remember that the calculation of the measurable temperature is as follow
64. orting mode for active power measurement MXU_PRepMode_EPar_ ReportDB ActivePower Off Amplitude Off Integrated Selection of the reporting mode for reactive power measurement MXU_QRepMode_EPar_ ReportDB ActivePower Off Amplitude Off Integrated Selection of the reporting mode for apparent power measurement Off Amplitude MXU_SRepMode_EPar_ ReportDB ApparPower Integrated Off Selection of the reporting mode for current measurement MXU_IRepMode_EPar_ ReportDB Current Off Amplitude Off Integrated Selection of the reporting mode for voltage measurement MXU_URepMode_EPar_ ReportDB Voltage SET Off Integrated Selection of the reporting mode for frequency measurement MXU_fRepMode_EPar_ ReportDB Frequency Integrated Table 69 The enumerated parameters of the line measurement function The selection of the reporting mode items is explained in Figure 9 and in Figure 70 Amplitude mode of reporting If the Amplitude mode is selected for reporting a report is generated if the measured value leaves the deadband around the previously reported value As an example Figure 9 shows that the current becomes higher than the value reported in report PLUS the Deadband value this results report2 etc For this mode of operation the Deadband parameters are explained in Table 70 The Range parameters in Table 70 are needed to evaluate a measurement as out of range DTIVA E
65. pplied current input module The first input module is the one usually configured closer to the CPU module DTIVA E4 DRFP CONFIG V1 0 38 60 E4 DRFP configuration description Figure 7 shows an example of how the calculated Fourier components are displayed in the on line block See the document EuroProt Remote user interface description CT4 module Current Ch 11 0 84 Angle Ch 11 9 deg Current Ch 12 0 84 Angle Ch 12 129 deg Current Ch 13 0 85 A Angle Ch I3 111 deg Current Ch I4 0 00 A Angle Ch I4 D deg Figure 7 Example On line displayed values for the current input module 1 3 4 2 Voltage input function VT4 If the factory configuration includes a voltage transformer hardware module the voltage input function block is automatically configured among the software function blocks Separate voltage input function blocks are assigned to each voltage transformer hardware module A voltage transformer hardware module is equipped with four special intermediate voltage transformers See Chapter 6 of the EuroProt hardware description document All inputs have a common parameter for type selection 100V or 200V Additionally there is a correction factor available if the rated secondary voltage of the main voltage transformer e g 110V does not match the rated input of the device The role of the voltage input function block is to set the required parameters associated to the voltage in
66. protection function block description for railway Overvoltage application TUV27R Definite time undervoltage protection function block description for railway Undervoltage application REC79MV MV Autoreclosing Automatic reclosing function for medium voltage networks function block description CBWear Circuit breaker wear monitoring function Circuit breaker wear block description for railway application SCH85 Teleprotection Teleprotection function block description SOTFCond Switch onto fault Switch onto fault preparation function condition block description TRC94 Trip logic Trip logic function block description CT4R CT4 module Current input function block description for railway application VT4R VT4 module Voltage input function block description for railway application CB1Pol Circuit breaker Circuit breaker control function block descrpition MXU LM Line measurement Line measurement function block descrpition DRE Distirbance rec Disturbance recorder function block description Reset Reset Reset control function block description Table 5 Implemented functions DTIVA E4 DRFP CONFIG V1 0 8 60 E4 DRFP configuration description 1 3 2 Protection functions 1 3 2 1 Railway distance protection function DIS21R The distance protection function provides main protection for overhead lines in railway application The main features of the function are as follows e The selected algorithm fits the requirements of the railway overhead
67. puts e deliver the sampled voltage values for disturbance recording e perform the basic calculations o Fourier basic harmonic magnitude and angle o True RMS value e provide the pre calculated voltage values to the subsequent software modules e deliver the calculated basic Fourier component values for on line displaying The voltage input function block receives the sampled voltage values from the internal operating system The scaling even hardware scaling depends on parameter setting See the parameter VT4 Type EPar Range The options to choose from are 100V or 200V no hardware modification is needed This parameter influences the internal number format and naturally accuracy A small voltage is processed with finer resolution if 100V is selected The connection of the VT secondary windings must be set to reflect actual physical connection of the main VTs The associated parameter is Ch x Nom EPar where _ _ 1 4 Connection x where x 1 4 The selection can be Ph N or Ph Ph The Ph N option is applied in networks where the measured phase voltage is never above 1 5 Un In this case the primary rated voltage of the VT must be the value of the rated PHASE TO NEUTRAL voltage DTIVA E4 DRFP CONFIG V1 0 39 60 E4 DRFP configuration description If phase to phase voltage is connected to the VT input of the device then the Ph Ph option is to be selected Here the primary rated voltage of the VT must be the val
68. rogrammed by the user applying the inputs EnaOff enabled trip command and enabled close command using the graphic equation editor e Programmed conditions can be used to temporarily disable the operation of the function block using the graphic equation editor e function block supports the control models prescribed by the IEC 61850 standard e All necessary timing tasks are performed within the function block o ime limitation to execute a command o Command pulse duration o filtering the intermediate state of the circuit breaker o Checking the synchro check and synchro switch times o Controlling the individual steps of the manual commands e Sending trip and close commands to the circuit breaker to be combined with the trip commands of the protection functions and with the close command of the automatic reclosing function the protection functions and the automatic reclosing function directly gives commands to the CB The combination is made graphically using the graphic equation editor e Operation counter e Event reporting The Circuit breaker control function block has binary input signals The conditions are defined by the user applying the graphic equation editor The signals of the circuit breaker control are seen in the binary input status list Technical data Function Accuracy Operate time accuracy 5 or 15 ms whichever is greater Table 54 Technical data of the circuit br
69. s Temperature t O t Temp_ambient where Temp_ambient is the ambient temperature In that separate document it is proven that some more easily measurable parameters can be introduced instead of the aforementioned ones Thus the general form of equation 2 is 2 n n 2 E E 1 4 E 8 where H t is the thermal level of the heated object this is the temperature as a percentage of the O reference temperature This is a dimensionless quantity but it can also be expressed in a percentage form Oo 15 the starting temperature above the temperature of the environment isthe reference temperature above the temperature of the environment which can be measured in steady state in case of a continuous In reference current In is the reference current can be considered as the nominal current of the heated object If it flows continuously then the reference temperature can be measured in steady state The RMS calculation module calculates the RMS values of the current The sampling frequency of the calculations is 1 kHz therefore theoretically the frequency components below 500Hz are considered_correctly in the RMS values This module is not part of the thermal function it belongs to the preparatory phase The module solves the first order thermal differential equation using a simple step by step method and compares the calculated temperature to the values set by parameters
70. scribed in the document Hardware description Module identifier Explanation PSTP 2101 Power supply modul with trip contacts 012 1101 Binary input module R8 00 Signal relay output module VT 2211 Analog voltage input module CT 5151 Analog current input module CPU 1201 Processing and communication module Table 4 The applied modules of the E4 DRFP configuration DTIVA E4 DRFP_CONFIG_V1 0 6 60 E4 DRFP configuration description 1 2 Meeting the device The basic information for working with the EuroProt devices are described in the document Quick start guide to the devices of the EuroProt product line Figure 3 The 84HP rack of EuroProt family Figure 4 The 42HP rack of EuroProt family DTIVA E4 DRFP_CONFIG_V1 0 7 60 E4 DRFP configuration description 1 3 Software configuration 1 3 1 The implemented functions The implemented functions are listed in Table 5 The function blocks are described in details in separate documents These are referred to also in this table Name Title Document DIS21R Distance protection for railway Railway distance application function block description TOC51R Overcurrent protection for railway Overcurrent application function block description TTR49R Line thermal protection function block Thermal overload description for railway application TOV59R Definite time overvoltage
71. shots of reclosing for medium voltage networks The dead time can be set individually for each reclosing and separately for earth faults and for multi phase faults All shots are of three phase reclosing The starting signal of the cycles can be generated by any combination of the protection functions or external signals of the binary inputs The automatic reclosing function is triggered if as a consequence of a fault a protection function generates a trip command to the circuit breaker and the protection function resets because the fault current drops to zero or the circuit breaker s auxiliary contact signals open state According to the preset parameter values either of these two conditions starts counting the dead time at the end of which the MV automatic reclosing function generates a close command automatically If the fault still exits or reappears then within the Reclaim time the protection functions picks up again and the subsequent cycle is started If the fault still exists at the end of the last cycle the MV automatic reclosing function trips and generates the signal for final trip If no pickup is detected within this time then the MV automatic reclosing cycle resets and a new fault will start the procedure with the first cycle again At the moment of generating the close command the circuit breaker must be ready for operation which is signaled via the binary input CB Ready The preset parameter value CB Supervision time de
72. the current input function block Measured value Dim Explanation Current Ch 11 A secondary Fourier basic component of the current in channel 11 Angle Ch 11 degree Vector position of the current in channel 11 Current Ch I2 A secondary Fourier basic component of the current in channel I2 Angle Ch 12 degree Vector position of the current in channel I2 Current Ch I3 A secondary Fourier basic component of the current in channel I3 Angle Ch I3 degree Vector position of the current in channel I3 Current Ch 14 A secondary Fourier basic component of the current in channel 14 Angle Ch 14 degree Vector position of the current in channel 14 Table 62 The measured analogue values of the current input function The scaling of the Fourier basic component is such that if pure sinusoid 1A RMS of the rated frequency is injected the displayed value is 1A The displayed value does not depend on the parameter setting values Rated Secondary NOTE2 The reference of the vector position depends on the device configuration If a voltage input module is included then the reference vector vector with angle 0 degree is the vector calculated for the first voltage input channel of the first applied voltage input module If no voltage input module is configured then the reference vector vector with angle 0 degree is the vector calculated for the first current input channel of the first a
73. theoretical wear 596 characteristics Table 50 Technical data of the circuit breaker wear monitoring Parameters The parameters of the circuit breaker wear monitoring function are explained in the following tables Enumerated parameter Parameter name Title Selection range Default Disabling or enabling the operation of the function CBWear Oper EPar _ Operation Off On Off Table 51 The enumerated parameter of the circuit breaker wear monitoring function DTIVA E4 DRFP_CONFIG_V1 0 31 60 E4 DRFP configuration description Integer parameters Parameter name Title Unit Max Step Default Permitted number of trip operation if the breaking current is 1kA 1kA 1 100000 1 50000 Permitted number of trip operation if the breaking current is InTrip Rated Trip Current See floating parameter CBWear CycNumlnTrip IPar Rated Trip 1 100000 1 100 Permitted level of the weighted sum of the breaking currents CBWear CycNum Alarm 1 100000 1 50000 Table 52 The integer parameters of the circuit breaker wear monitoring function Floating point parameters Parameter name Title Unit Min Max Step Default Rated current of the circuit breaker CBWear_InCB_FPar_ In CB kA 1 50 0 01 1
74. ting then a start signal is generated The function generates a start signal The general start signal is generated if the voltage is above the level defined by parameter setting value The function generates a trip command only if the time delay has expired and the parameter selection requires a trip command as well Technical data Function Value Accuracy Pick up starting accuracy lt 0 5 96 Blocking voltage lt t 1 5 Reset time U gt gt Un 60 ms U gt 0 50 ms Operate time accuracy lt 20ms Drop off ratio 0 5 Minimum operate time 50 ms Table 30 Technical data of the overvoltage protection function Parameters Enumerated parameters Parameter name Title Selection range Default Enabling or disabling the overvoltage protection function TOV59R_Oper_EPar_ Operation Off On Off Table 31 The enumerated parameters of the overvoltage protection function Integer parameters Parameter name Title Unit Min Max Step Default Voltage level setting If the measured voltage is above the setting value the function generates a start signal TOV59R_StVol_IPar_ Start Voltage 30 130 1 110 Table 32 Integer parameters of the overvoltage protection function Boolean parameter Parameter name Title Default Explanation Selection if starting and trip signal or TOV59R_StOnly_BPar_ Start Signal Onl
75. ue of the rated PHASE TO PHASE voltage If needed the phase voltages can be inverted by setting the parameter Ch x Dir EPar where x 1 4 Direction U x where x 1 4 This selection applies to each of the channels This inversion may be needed in protection functions such as distance protection or for any functions with directional decision or for checking the voltage vector positions Additionally there is a correction factor available if the rated secondary voltage of the main voltage transformer e g 110V does not match the rated input of the device The related parameter is VT4_CorrFact_IPar_ VT correction As an example if the rated secondary voltage of the main voltage transformer is 110V then select Type 100 for the parameter Range and the required value to set here is 110 These modified sampled values are available for further processing and for disturbance recording The performed basic calculation results the Fourier basic harmonic magnitude and angle and the true RMS value of the voltages These results are processed by subsequent protection function blocks and they are available for on line displaying as well The function block also provides parameters for setting the primary rated voltages of the main voltage transformer This function block does not need that parameter setting These values are passed on to function blocks such as displaying primary measured values primary power calculation etc
76. urce Event 4Ch Counter Z1 Trip Z2 Trip Z3 Trip 24 Trip 4Ch Counter OverCurrent Start OverCurrent Trip Th Overload Alarm Th Overload Trip 4Ch Counter OverVoltage Trip UnderVoltage Trip AR Close Cmd Counter 4 4Ch Counter Counter 1 Counter 2 Counter 3 Counter 4 4Ch Counter Counter 1 Counter 2 Counter 3 Counter 4 16Ch Event Switch Onto Fault Low Gas Signal CB Failure VT midget CB failure Close cmd from MC input Input06 Input07 Input08 Input09 Input10 Input1 1 Input12 Input13 Input14 Input15 Input16 Table 76 List of the possible events DTIVA E4 DRFP_CONFIG_V1 0 50 60 E4 DRFP configuration description 1 3 7 TRIP contact assignment The outputs of the trip logic function are connected directly to the contacts of the power supply trip module PSTP 2101 module in position A Title Connected to the contacts Binary status Signal PSTP 2101 module in position A TRC94_GenTr_Grl_ General Trip Trip TRC94_GenTr_Grl_ General Trip Backup Trip Table 77 The connected signal of the trip logic function To the inputs of the trip logic function some signals are assigned during factory configuration some signals however depend on the programming by the user The
77. ured voltage is below the setting value the function generates a start signal TUV27R_StVol_IPar__ Start Voltage 30 100 1 80 Blocking voltage level setting If the measured voltage is below the setting value the function blocks the start signal TUV27R_BIkVol_IPar_ Block Voltage 0 20 1 10 Table 40 Integer parameters of the undervoltage protection function DTIVA E4 DRFP_CONFIG_V1 0 25 60 E4 DRFP configuration description Boolean parameter Parameter name Title Default Explanation Selection if starting and trip signal or TUV27R_StOnly_BPar_ Start Signal Only 0 starting signal only is to be generated Set 0 for trip command generation Table 41 The Boolean parameters of the undervoltage protection function Timer parameter Parameter name Title Unit Min Max Step Default Time delay of the undervoltage protection function TUV27R_Delay_TPar_ Time Delay ms 0 60000 1 100 Table 42 Timer parameters of the undervoltage protection function 1 3 2 8 Trip logic function block TRC94 The simplified trip logic function operates according to the functionality required by the IEC 61850 standard for the Trip logic logical node This simplified software module can be applied if only three phase trip commands are required that is phase selectivity is not applied The function receives the trip requirements of the
78. v 120 0 1 5 ANSI Inv 0 0086 0 0185 0 02 6 D ANSI 0 0515 0 1140 0 02 7 E ANSI Verylnv 19 61 0 491 2 8 F ANSI Extinv 28 2 0 1217 2 9 ANSI Longlnv 0 086 0 185 0 02 10 ANSI LongVerylnv 28 55 0 712 2 11 ANSI LongExtlnv 64 07 0 250 2 Table 16 The constants of the standard dependent time characteristics The end of the effective range of the dependent time characteristics is Gy 20 G Above this value the theoretical operating time is definite DTIVA E4 DRFP_CONFIG_V1 0 17 60 E4 DRFP configuration description TMS when G gt 20 G Additionally a minimum time delay can be defined by parameter TOC51 MinDel Par Min Time Delay This delay is valid if it is longer than t G defined by the formula above The inverse characteristic is valid above Gr 1 1 Gs Above this value the function is guaranteed to operate Resetting characteristics e For IEC type characteristics the resetting is after a fix time delay defined by TOCS51 Reset Reset delay e for ANSI types however according to the formula below TMS when where seconds theoretical reset time with constant value of G kr constants characterizing the selected curve in seconds a constants characterizing the selected curve no dimension G measured value of the characteristic quantity Fourier base harmonic of the phase currents
79. y 0 starting signal only is to be generated Set 0 for trip command generation Table 33 The Boolean parameter of the overvoltage protection function Timer parameter Parameter name Title Unit Min Max Step Default Time delay of the overvoltage protection function TOV59R Delay TPar Time Delay ms 0 60000 1 100 Table 34 The timer parameter of the overvoltage protection function Parameter name Title Default Explanation Selection if starting and trip signal or TOV59R StOnly BPar Start Signal Only 0 starting signal only is to be generated Set 0 for trip command generation Table 35 The Boolean parameter of the definite time overvoltage protection function DTIVA E4 DRFP CONFIG V1 0 24 60 E4 DRFP configuration description The binary output status signals of the definite time overvoltage protection function are listed in Table 36 below Binary output signals Signal title Explanation TOV59R_GenSt_Grl General Start Starting of the function TOV59R GenrTr General Trip Trip command of the function Table 36 The binary output status signals of the definite time overvoltage protection function 1 3 2 7 Definite time undervoltage function for railway application TUV27R The undervoltage protection function measures a voltage If it is below the level defined by parameter setting value and above the defined minimum leve
80. y set by the user The automatic close command is not used it is not an input for this function The manual close command is a binary input signal The drop off of the binary output signal ManSOTF is delayed by a timer SOTF Drop Delay set by the user The timer parameter is common for both the automatic and manual close command The operation of the switch onto fault detection function is shown in Figure below SOTF Cond CBClose H ManSOTF cond The binary input signals of the switch onto fault detection function are e CBClose Manual close command to the circuit breaker e DeadLine Dead line condition detected This is usually the output signal of the DLD dead line detection function block The binary output signals of the switch onto fault detection function are e AutoSOTF cond Signal enabling switch onto fault detection as a consequence of an automatic close command e ManSOTF cond Signal enabling switch onto fault detection as a consequence of a manual close command Technical data Function Accurac Timer accuracy 5 or 15 ms whichever is greater Table 14 Technical data of the Switch onto fault condition function DTIVA E4 DRFP_CONFIG_V1 0 16 60 E4 DRFP configuration description Parameters Timer parameter Parameter name Title Unit Min Step Default Drop off time delay for the output signals SOTF SOTFDel SOTF Drop Delay msec

E4-DRFP configuration description (Type: DTIVA)

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