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IEC16000076-1-en.vsd

IEC16000076 V1 EN-US

Figure 28:

OPENCLOSE_LED connected to SXCBR

5.3

Keypad

AMU0600428 v19

The LHMI keypad contains push-buttons which are used to navigate in different
views or menus. The push-buttons are also used to acknowledge alarms, reset
indications, provide help and switch between local and remote control mode.

The keypad also contains programmable push-buttons that can be configured either
as menu shortcut or control buttons.

1MRK 511 407-UEN C

Section 5

Local HMI

Phasor measurement unit RES670 2.2 IEC

81

Application manual

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Summary of Contents for Relion RES670

Page 1: ...RELION 670 SERIES Phasor measurement unit RES670 Version 2 2 IEC Application manual...

Page 2: ......

Page 3: ...Document ID 1MRK 511 407 UEN Issued June 2018 Revision C Product version 2 2 Copyright 2017 ABB All rights reserved...

Page 4: ...rms of such license This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit http www openssl org This product includes cryptographic software written developed b...

Page 5: ...roduct failure would create a risk for harm to property or persons including but not limited to personal injuries or death shall be the sole responsibility of the person or entity applying the equipme...

Page 6: ...d concerning electrical equipment for use within specified voltage limits Low voltage directive 2006 95 EC This conformity is the result of tests conducted by ABB in accordance with the product standa...

Page 7: ...1 Communication 37 Basic IED functions 38 Section 3 Configuration 41 Introduction 41 Description of configuration RES670 42 Introduction 42 Description of configuration A20 42 Description of configura...

Page 8: ...71 Example how to connect the open delta VT to the IED for low impedance earthed or solidly earthed power systems 74 Section 5 Local HMI 77 Display 78 LEDs 80 Keypad 81 Local HMI functionality 83 Prot...

Page 9: ...h onto fault logic 137 Settings for each step x 1 2 3 and 4 138 Four step directional negative phase sequence overcurrent protection NS4PTOC 141 Identification 141 Application 141 Setting guidelines 1...

Page 10: ...on such as for motors generators reactors and transformers 178 Equipment protection capacitors 178 Power supply quality 178 High impedance earthed systems 178 The following settings can be done for th...

Page 11: ...on for generators 201 Voltage restrained overcurrent protection for generator and step up transformer 202 Loss of excitation protection for a generator 203 Section 12 System protection and control 205...

Page 12: ...ion for DNP3 0 AUTOBITS 221 Identification 221 Application 222 Setting guidelines 222 Single command 16 signals SINGLECMD 222 Identification 222 Application 222 Setting guidelines 224 Section 15 Logic...

Page 13: ...t BTIGAPC 240 Identification 240 Application 240 Integer to Boolean 16 conversion IB16 241 Identification 241 Application 241 Integer to Boolean 16 conversion with logic node representation ITBGAPC 24...

Page 14: ...ting procedure on the IED 267 Event function EVENT 268 Identification 268 Application 269 Setting guidelines 269 Disturbance report DRPRDRE 270 Identification 270 Application 270 Setting guidelines 27...

Page 15: ...g unit 289 Application 289 Setting guidelines 290 Routes 290 Application 290 Setting guidelines 290 Section 19 Station communication 291 Communication protocols 291 IEC 61850 8 1 communication protoco...

Page 16: ...Communication protocol 321 Application 321 Section 20 Remote communication 323 Binary signal transfer 323 Identification 323 Application 323 Communication hardware solutions 324 Setting guidelines 325...

Page 17: ...plication 340 Setting guidelines 340 Signal matrix for binary outputs SMBO 340 Application 341 Setting guidelines 341 Signal matrix for mA inputs SMMI 341 Application 341 Setting guidelines 341 Signal...

Page 18: ...lass P PR 360 Current transformers according to IEC 61869 2 class PX PXR and old IEC 60044 6 class TPS and old British Standard class X 360 Current transformers according to ANSI IEEE 360 Voltage tran...

Page 19: ...vide assistance for calculating settings 1 2 Intended audience GUID C9B8127F 5748 4BEA 9E4F CC762FE28A3A v11 This manual addresses the protection and control engineer responsible for planning pre engi...

Page 20: ...and insert IEDs to the project structure The manual also recommends a sequence for the engineering of protection and control functions as well as communication engineering for IEC 61850 The installat...

Page 21: ...ual can be used as a technical reference during the engineering phase installation and commissioning phase and during normal service The communication protocol manual describes the communication proto...

Page 22: ...on protocol manual IEC 61850 Edition 2 1MRK 511 393 UEN Communication protocol manual LON 1MRK 511 395 UEN Communication protocol manual SPA 1MRK 511 396 UEN Point list manual DNP3 1MRK 511 397 UUS Ac...

Page 23: ...may result in degraded process performance leading to personal injury or death It is important that the user fully complies with all warning and cautionary notices 1 4 2 Document conventions GUID 96D...

Page 24: ...nd Edition 2 logical nodes are shown in the table below Table 1 IEC 61850 edition 1 edition 2 mapping Function block name Edition 1 logical nodes Edition 2 logical nodes AEGPVOC AEGGAPC AEGPVOC AGSAL...

Page 25: ...BRCPTOC BRPTOC BRPTOC BRPTOC BTIGAPC B16IFCVI BTIGAPC BUSPTRC_B1 BUSPTRC BBSPLLN0 BUSPTRC BUSPTRC_B2 BUSPTRC BUSPTRC BUSPTRC_B3 BUSPTRC BUSPTRC BUSPTRC_B4 BUSPTRC BUSPTRC BUSPTRC_B5 BUSPTRC BUSPTRC B...

Page 26: ...BZITGAPC BZNPDIF_Z1 BZNPDIF BZNPDIF BZNPDIF_Z2 BZNPDIF BZNPDIF BZNPDIF_Z3 BZNPDIF BZNPDIF BZNPDIF_Z4 BZNPDIF BZNPDIF BZNPDIF_Z5 BZNPDIF BZNPDIF BZNPDIF_Z6 BZNPDIF BZNPDIF BZNSPDIF_A BZNSPDIF BZASGAPC...

Page 27: ...DPGAPC DPGGIO DPGAPC DRPRDRE DRPRDRE DRPRDRE ECPSCH ECPSCH ECPSCH ECRWPSCH ECRWPSCH ECRWPSCH EF2PTOC EF2LLN0 EF2PTRC EF2RDIR GEN2PHAR PH1PTOC EF2PTRC EF2RDIR GEN2PHAR PH1PTOC EF4PTOC EF4LLN0 EF4PTRC E...

Page 28: ...PHAR L6CPTRC LAPPGAPC LAPPLLN0 LAPPPDUP LAPPPUPF LAPPPDUP LAPPPUPF LCCRPTRC LCCRPTRC LCCRPTRC LCNSPTOC LCNSPTOC LCNSPTOC LCNSPTOV LCNSPTOV LCNSPTOV LCP3PTOC LCP3PTOC LCP3PTOC LCP3PTUC LCP3PTUC LCP3PTU...

Page 29: ...3PTRC OEXPVPH OEXPVPH OEXPVPH OOSPPAM OOSPPAM OOSPPAM OOSPTRC OV2PTOV GEN2LLN0 OV2PTOV PH1PTRC OV2PTOV PH1PTRC PAPGAPC PAPGAPC PAPGAPC PCFCNT PCGGIO PCFCNT PH4SPTOC GEN4PHAR OCNDLLN0 PH1BPTOC PH1PTRC...

Page 30: ...PC8GAPC SPC8GGIO SPC8GAPC SPGAPC SPGGIO SPGAPC SSCBR SSCBR SSCBR SSIMG SSIMG SSIMG SSIML SSIML SSIML PTRSTHR PTRSTHR PTRSTHR STBPTOC STBPTOC BBPMSS STBPTOC STEFPHIZ STEFPHIZ STEFPHIZ STTIPHIZ STTIPHIZ...

Page 31: ...NCALH WRNCALH ZC1PPSCH ZPCPSCH ZPCPSCH ZC1WPSCH ZPCWPSCH ZPCWPSCH ZCLCPSCH ZCLCPLAL ZCLCPSCH ZCPSCH ZCPSCH ZCPSCH ZCRWPSCH ZCRWPSCH ZCRWPSCH ZCVPSOF ZCVPSOF ZCVPSOF ZGVPDIS ZGVLLN0 PH1PTRC ZGVPDIS ZGV...

Page 32: ...al nodes ZMQAPDIS ZMQAPDIS ZMQAPDIS ZMQPDIS ZMQPDIS ZMQPDIS ZMRAPDIS ZMRAPDIS ZMRAPDIS ZMRPDIS ZMRPDIS ZMRPDIS ZMRPSB ZMRPSB ZMRPSB ZSMGAPC ZSMGAPC ZSMGAPC Section 1 1MRK 511 407 UEN C Introduction 26...

Page 33: ...670 or via the IRIG B signal received from an external GPS based clock It is also possible to have a combination of the three to provide time synchronization redundancy for the PMU RES670 streams out...

Page 34: ...ntelligent monitoring using wide area applications The Wide Area Monitoring applications are designed to detect abnormal system conditions and evaluate large area disturbances in order to preserve sys...

Page 35: ...re not described in this manual 2 2 Wide area measurement functions GUID 8A114D7E 8D1A 46ED A928 B819ED163A52 v5 IEC 61850 ANSI Function description Phasor measurement RES670 Customized RES670 A20 RES...

Page 36: ...OOSPPAM 78 Out of step protection 0 2 2 B23 2 B23 Current protection OC4PTOC 51_671 Directional phase overcurrent protection four steps 0 6 3 C26 6 C27 EF4PTOC 51N 67N2 Directional residual overcurren...

Page 37: ...urpose filter 0 6 1 67 requires voltage 2 67N requires voltage 2 4 Control and monitoring functions GUID E3777F16 0B76 4157 A3BF 0B6B978863DE v17 IEC 61850 or function name ANSI Function description P...

Page 38: ...MD IED commands with position and select for IEC 60870 5 103 50 50 50 I103POSCMDV IED direct commands with position for IEC 60870 5 103 50 50 50 I103IEDCMD IED commands for IEC 60870 5 103 1 1 1 I103U...

Page 39: ...RYQT SRMEMORYQT TIMERSETQT XORQT Configurable logic blocks Q T see Table 3 0 1 AND GATE INV LLD OR PULSETIMER RSMEMORY SLGAPC SRMEMORY TIMERSET VSGAPC XOR Extension logic package see Table 4 0 1 FXDSI...

Page 40: ...onfigurable logic blocks Basic configurable logic block Total number of instances AND 280 GATE 40 INV 420 LLD 40 OR 298 PULSETIMER 40 RSMEMORY 40 SRMEMORY 40 TIMERSET 60 XOR 40 Table 3 Total number of...

Page 41: ...ES670 B20 Monitoring CVMMXN Power system measurement 6 6 6 CMMXU Current measurement 10 10 10 VMMXU Voltage measurement phase phase 6 6 6 CMSQI Current sequence measurement 6 6 6 VMSQI Voltage sequenc...

Page 42: ...lation supervision for liquid medium 3 3 3 SSCBR Circuit breaker condition monitoring 0 18 9 18 I103MEAS Measurands for IEC 60870 5 103 1 1 1 I103MEASUSR Measurands user defined signals for IEC 60870...

Page 43: ...riables via LON 1 1 1 IEC 61850 8 1 IEC 61850 1 1 1 GOOSEINTLKRCV Horizontal communication via GOOSE for interlocking 59 59 59 GOOSEBINRCV GOOSE binary receive 16 16 16 GOOSEDPRCV GOOSE function block...

Page 44: ...cision time protocol 1 1 1 SCHLCCH Access point diagnostic for non redundant Ethernet port 6 6 6 RCHLCCH Access point diagnostic for redundant Ethernet ports 3 3 3 QUALEXP IEC 61850 quality expander 9...

Page 45: ...me master supervision ALTIM Time management COMSTATUS Protocol diagnostic Table 6 Local HMI functions IEC 61850 or function name ANSI Description LHMICTRL Local HMI signals LANGUAGE Local human machin...

Page 46: ...40...

Page 47: ...usbar 24AI 9I 3U 9I 3U All IEDs can be reconfigured with the help of the Application Configuration Tool ACT in the PCM600 engineering platform The IED can be adapted to special applications and specia...

Page 48: ...rd configuration The number of analog and binary reporting channels can be extended to maximum 24 channels per PMU instance on each data stream on request This can be done when ordering the RES670 A20...

Page 49: ...SER DR WA1_VT CCS SPVC 87 INd I OOS PPAM 78 Ucos Other Functions available from the function library Optional Functions SDE PSDE 67N IN Q CBAY 3 Control S SIMG 63 S SIML 71 WA1 CV MMXN MET P Q SA PFR...

Page 50: ...when ordering the RES670 B20 configuration In addition each data stream includes 16 analog and 16 binary reporting channels over IEEE C37 118 1344 in the standard configuration The number of analog a...

Page 51: ...MXU MET I C MMXU MET I C MMXU MET I C MSQI MET Isqi C MSQI MET Isqi C MSQI MET Isqi C MSQI MET Isqi C MSQI MET Isqi Busbar Voltage Selection PMU REP PMU REP BAY01_CT BAY04_CT BAY05_CT BAY06_CT BAY03_C...

Page 52: ...46...

Page 53: ...xed to zero degrees and remaining analog channel s phase angle information will be shown in relation to this analog input During testing and commissioning of the IED the reference channel can be chang...

Page 54: ...t be set in the IED The convention of the directionality is defined as follows A positive value of current power and so on means that the quantity has the direction into the object and a negative valu...

Page 55: ...CTStarPoint with Transformer as reference object Correct setting is ToObject Setting of current input Set parameter CTStarPoint with Line as reference object Correct setting is FromObject IEC05000753...

Page 56: ...460 V2 EN US Figure 7 Example how to set CTStarPoint parameters in the IED This example is similar to example 1 but here the transformer is feeding just one line and the line protection uses the same...

Page 57: ...verse The direction Forward Reverse is related to the reference object that is the transformer in this case When a function is set to Reverse and shall protect an object in reverse direction it shall...

Page 58: ...Setting of current input for transformer functions Set parameter CTStarPoint with Transformer as reference object Correct setting is ToObject Setting of current input for line functions Set parameter...

Page 59: ...CTStarPoint ToObject and for all CT inputs marked with 2 in Figure 10 set CTStarPoint FromObject The second solution will be to use all connected bays as reference objects In that case for all CT inpu...

Page 60: ...Type phase phase phase earth and GlobalBaseSel ISec I Pri S1 X1 P1 H1 P2 H2 S2 X2 P2 H2 P1 H1 x x a b c en06000641 vsd S2 X2 S1 X1 IEC06000641 V1 EN US Figure 11 Commonly used markings of CT terminals...

Page 61: ...4 2 2 5 Example on how to connect a star connected three phase CT set to the IED SEMOD55055 352 v11 Figure 12 gives an example about the wiring of a star connected two phase CT set to the IED It give...

Page 62: ...ee CT inputs of the IED 2 The current inputs are located in the TRM It shall be noted that for all these current inputs the following setting values shall be entered for the example shown in Figure 12...

Page 63: ...or IEDs installed in power plants then the setting parameters DFTReference shall be set accordingly Section SMAI in this manual provides information on adaptive frequency tracking for the signal matri...

Page 64: ...e setting of the parameter CTStarPoint of the used current inputs on the TRM item 2 in Figure 13 and 12 CTprim 600A CTsec 5A CTStarPoint FromObject The ratio of the first two parameters is only used i...

Page 65: ...hase currents 3 Is the TRM where these current inputs are located It shall be noted that for all these current inputs the following setting values shall be entered CTprim 800A CTsec 1A CTStarPoint Fro...

Page 66: ...ion and control functions within the IED which are connected to this preprocessing function block in the configuration tool For this application most of the preprocessing settings can be left to the d...

Page 67: ...IL3 IL3 IL1 1 2 3 4 IEC11000027 3 en vsdx SMAI2 BLOCK REVROT GRP2L1 GRP2L2 GRP2L3 GRP2N AI3P AI1 AI2 AI3 AI4 AIN IEC11000027 V3 EN US Figure 15 Delta DAB connected three phase CT set 1MRK 511 407 UEN...

Page 68: ...the connected analog inputs and calculate fundamental frequency phasors for all three input channels harmonic content for all three input channels positive negative and zero sequence quantities by us...

Page 69: ...ered CTprim 800A CTsec 1A CTStarPoint ToObject ConnectionType Ph Ph It is important to notice the references in SMAI As inputs at Ph Ph are expected to be L1L2 L2L3 respectively L3L1 we need to tilt 1...

Page 70: ...ject For connection b shown in Figure 17 CTprim 1000 A CTsec 1A CTStarPoint FromObject 3 shows the connection made in SMT tool which connect this CT input to the fourth input channel of the preprocess...

Page 71: ...ake the protection scheme less sensitive however such measures are necessary in order to avoid possible problems with loss of the measurement accuracy in the IED Regardless of the applied relationship...

Page 72: ...quare indicate the primary and secondary winding terminals with the same positive polarity b is the equivalent symbol and terminal marking used by IEC ANSI standard for phase to earth connected VTs c...

Page 73: ...e built in protection and control functions within the IED For correct terminal designations see the connection diagrams valid for the delivered IED L1 IED L2 L3 66 3 110 3 kV V 1 3 2 66 3 110 3 kV V...

Page 74: ...s the TRM where these three voltage inputs are located For these three voltage inputs the following setting values shall be entered VTprim 132 kV VTsec 110 V Inside the IED only the ratio of these two...

Page 75: ...rs for the first three input channels channel one taken as reference for sequence quantities These calculated values are then available for all built in protection and control functions within the IED...

Page 76: ...ndary side of a phase to phase VT to the VT inputs on the IED 2 is the TRM where these three voltage inputs are located It shall be noted that for these three voltage inputs the following setting valu...

Page 77: ...gs shall be set as shown here ConnectionType Ph Ph UBase 13 8 kV If frequency tracking and compensation is required this feature is typically required only for IEDs installed in the generating station...

Page 78: ...4 en vsdx Not Used Not Used SMAI2 BLOCK REVROT GRP2L1 GRP2L2 GRP2L3 GRP2N AI3P AI1 AI2 AI3 AI4 AIN IEC06000601 V4 EN US Figure 22 Open delta connected VT in high impedance earthed power system Sectio...

Page 79: ...age input to the fourth input channel of the preprocessing function block 5 5 is a Preprocessing block that has the task to digitally filter the connected analog input and calculate fundamental freque...

Page 80: ...U EQUATION1926 V1 EN US Equation 7 The primary rated voltage of such VT is always equal to UPh E Therefore three series connected VT secondary windings will give the secondary voltage equal only to on...

Page 81: ...t Used Not Used SMAI2 BLOCK REVROT GRP2L1 GRP2L2 GRP2L3 GRP2N AI3P AI1 AI2 AI3 AI4 AIN 2 3 4 5 IEC06000602 V4 EN US Figure 23 Open delta connected VT in low impedance or solidly earthed power system 1...

Page 82: ...input channel of the preprocessing function block 4 5 preprocessing block has a task to digitally filter the connected analog inputs and calculate fundamental frequency phasors for all four input cha...

Page 83: ...9 V3 EN US Figure 24 Local human machine interface The LHMI of the IED contains the following elements Keypad Display LCD LED indicators Communication port for PCM600 1MRK 511 407 UEN C Section 5 Loca...

Page 84: ...depends on the character size and the view that is shown The display view is divided into four basic areas IEC15000270 1 en vsdx IEC15000270 V1 EN US Figure 25 Display layout 1 Path 2 Content 3 Statu...

Page 85: ...LED pages are available IEC13000240 1 en vsd GUID 5157100F E8C0 4FAB B979 FD4A971475E3 V1 EN US Figure 27 Indication LED panel The function button and indication LED panels are not visible at the same...

Page 86: ...HMI or PCM600 Information panels for the indication LEDs are shown by pressing the Multipage button Pressing that button cycles through the three pages A lit or un acknowledged LED is indicated with a...

Page 87: ...n different views or menus The push buttons are also used to acknowledge alarms reset indications provide help and switch between local and remote control mode The keypad also contains programmable pu...

Page 88: ...bject control navigation and command push buttons and RJ 45 communication port 1 5 Function button 6 Close 7 Open 8 Escape 9 Left 10 Down 11 Up 12 Right 13 Key 14 Enter 15 Remote Local 16 Uplink LED 1...

Page 89: ...rmal operation Flashing Internal fault has occurred Table 8 Start LED yellow LED state Description Off Normal operation On A protection function has started and an indication message is displayed The...

Page 90: ...he indication has been acknowledged but the activation signal is still on LatchedAck S F sequence The activation signal is on or it is off but the indication has not been acknowledged LatchedReset S s...

Page 91: ...45 connector 2 Green indicator LED The default IP address for the IED front port is 10 1 150 3 and the corresponding subnetwork mask is 255 255 254 0 It can be set through the local HMI path Main men...

Page 92: ...86...

Page 93: ...tive sequence negative sequence or zero sequence in case of 3 phase phasor and L1 L2 or L3 in case of single phase phasor PMU s Service class Protection or Measurement Phasor representation polar or r...

Page 94: ...03 00 Trigger Reason defined in STAT field of the Data frame in IEEE C37 118 2 standard These are predefined inputs for Frequency Trigger Rate of Change of Frequency trigger Magnitude High and Magnit...

Page 95: ...shows both instances of BINARYREPORT function blocks The instance number is visible in the bottom of each function block For each instance there are three separate BINARYREPORT blocks capable of repor...

Page 96: ...E V1 EN US Equation 11 where Xr n and Xi n are the measured values Xr and Xi are the theoretical values In order to comply with TVE requirements special calibration is done in the factory on the analo...

Page 97: ...ut preprocessor block is available in the section Signal matrix for analog inputs SMAI 6 1 3 1 Frequency reporting GUID 4F3BA7C7 8C9B 4266 9F72 AFB139E9DC21 v2 By using patented algorithm the IED can...

Page 98: ...or is always the one delivering the system frequency to the PDC client and if by any reason this voltage gets disconnected then the next available voltage phasor is automatically used as the frequency...

Page 99: ...internal processing For this purpose there is an anti aliasing filter designed for each reporting rate The correct anti aliasing filter will be automatically selected based on the reporting rate and...

Page 100: ...or for analog channels are defined in configuration frame 2 CFG 2 and configuration frame 3 CFG 3 frames as follows CFG 2 frame The field ANUNIT 4 bytes specifies the conversion factor as a signed 24...

Page 101: ...TION2450 V1 EN US The scale factor is calculated as follows 10000000000 2 0 305180 43 and 0 0 65535 5 scalefactor offset IECEQUATION2451 V1 EN US The scale factor will be sent as 3051804 on configurat...

Page 102: ...ications not running at all The reason is the inconsistent cycle time For example in Figure 37 the SMAI block is updating its output every 3 ms while the PHASORREPORT block is expecting input every 0...

Page 103: ...IEC140000127 2 en vsd IEC140000127 V2 EN US Figure 39 An example of correct connection of SMAI and PHASORREPORT blocks in ACT Figure 40 shows an example of wrong connection of SMAI and PHASORREPORT bl...

Page 104: ...UM block to the PHASORREPORT block If 3PHSUM block is configured to use external DFT reference from SMAI reference block it shall only be connected to the same PHASORREPORT block instance as the one t...

Page 105: ...nd PHASORREPORT blocks in ACT IEC140000130 1 en vsd IEC140000130 V1 EN US Figure 42 SMAI1 setting parameters example showing that SMAI3 is selected as the DFT reference DFTRefGrp3 1MRK 511 407 UEN C S...

Page 106: ...n ACT If settings for PMUREPORT instances PHASORREPORT1 instances 1 and 2 above differ for SvcClass or ReportRate then the synchrophasor reported by PHASOR2 connection from PHASORREPORT1 instance 2 wi...

Page 107: ...RREPORT blocks then 3PHSUM block can be freely connected to any of them regardless of 3PHSUM block DFT reference setting or the reference SMAI block connection Note Violation of rules 2 or 3 results i...

Page 108: ...ned value which can be sent with the configuration 3 message It allows uniquely identifying PMUs in a system that has more than 65535 PMUs The coding for the 16 bytes is left to the user for assignmen...

Page 109: ...parameter settings related to the ANALOGREPORT function block The analog data are sent via the ANALOG field of data frame organization of IEEE C37 118 2 message format Depends on the analog data type...

Page 110: ...For example if the selected setting is 15 10 fr s 60 50Hz this means that the synchrophasor data reporting rate would be 15 frames per second if the system frequency is 60Hz Likewise if the system fre...

Page 111: ...requency reporting 3 ANALOGREPORT is the function block responsible for reporting the analog values Each instance of ANALOGREPORT function block has 24 analog channels with the following setting param...

Page 112: ...106...

Page 113: ...disturbances and on the natural stability of the system The oscillation rate depends also on the inertia of the system and on the total system impedance between different generating units These oscil...

Page 114: ...l faults during power swing The operation of the distance protection function remains stable for external faults during the power swing condition even with the swing electrical centre located on the p...

Page 115: ...d system voltage min 380 U kV EQUATION1322 V1 EN US Minimum expected system voltage under critical system conditions 50 r f Hz EQUATION1323 V1 EN US Rated system frequency 400 3 p U kV EQUATION1324 V1...

Page 116: ...3 2 2 min min max 380 144 4 1000 L U Z S W EQUATION1337 V1 EN US Equation 13 The minimum load resistance RLmin at maximum load and minimum system voltage is equal to equation 14 min min max cos 144 4...

Page 117: ...EQUATION1342 V1 EN US Equation 17 The center of oscillation resides on the impedance point according to equation 18 1 7 43 33 9 2 S CO SA Z Z Z j W EQUATION1341 V1 EN US Equation 18 1MRK 511 407 UEN C...

Page 118: ...with certain safety margin KL compared to the minimum expected load resistance RLmin When the exact value of the minimum load resistance is not known the following approximations may be considered fo...

Page 119: ...o external Out and internal In boundary of proposed oscillation detection characteristic in forward direction are calculated with sufficient accuracy according to equation 21 and 22 respectively 155 7...

Page 120: ...me remains higher than 10 ms see equation 28 max 91 5 64 5 2 10 7 360 7 360 In Out sc tP ms f d d EQUATION1352 V1 EN US Equation 28 The final proposed settings are as follows RLdOutFw 123 5 kLdRFw 0 6...

Page 121: ...use different setting groups for operating conditions which are changing only between different periods of year summer winter System studies should determine the settings for the hold timer tH The pur...

Page 122: ...of a three phase fault electrically close to the generator no active power can be delivered Almost all mechanical power from the turbine is under this condition used to accelerate the moving parts th...

Page 123: ...detailed stability studies for each particular power system and or subsystem On the other hand if severe swings occur from which a fast recovery is improbable an attempt should be made to isolate the...

Page 124: ...fter oscillations around the nominal speed the rotational speed returns to the nominal corresponding to 50 or 60 Hz damped oscillations 3 rd pole slip 1 corresponds to 50 or 60 Hz 2 nd pole slip 1 st...

Page 125: ...EN US Generator Step up transformer Single power line Power system Data required UBase Ugen 13 8 kV IBase Igen 8367 A Xd 0 2960 pu Rs 0 0029 pu U1 13 8 kV U2 230 kV usc 10 I1 12 551 A Xt 0 1000 pu tra...

Page 126: ...es must be finally expressed in percent of ZBase where ZBase is for the example shown in Table 12 the base impedance of the generator ZBase 0 9522 Observe that the power transformer s base impedance i...

Page 127: ...n the default 0 0 s where 0 0 s means that tBreaker is unknown then this alternative way to determine the moment when a command to open the breaker is sent is automatically chosen instead of the more...

Page 128: ...UBase is the voltage at the point where the Out of step protection is connected If the protection is connected to the generator output terminals then UBase is the nominal rated phase to phase voltage...

Page 129: ...protection of different kinds of equipment connected to the power system such as shunt capacitor banks shunt reactors motors and others Back up short circuit protection of power generators In many ap...

Page 130: ...function Power transformers can have a large inrush current when being energized This phenomenon is due to saturation of the transformer magnetic core during parts of the period There is a risk that i...

Page 131: ...AngleRCA Protection characteristic angle set in degrees If the angle of the fault loop current has the angle RCA the direction to the fault is forward AngleROA Angle value given in degrees to define t...

Page 132: ...p M12982 19 v10 x means step 1 2 3 and 4 DirModex The directional mode of step x Possible settings are Off Non directional Forward Reverse Characteristx Selection of time characteristic for step x Def...

Page 133: ...ing If Ix is set outside Ix Max and Ix Min the closest of the limits to Ix is used by the function If Ix Max is smaller than Ix Min the limits are swapped tx Definite time delay for step x The definit...

Page 134: ...n order to fully comply with the definition of the curve the setting parameter txMin shall be set to a value equal to the operating time of the selected inverse curve for twenty times the set current...

Page 135: ...These parameters are used by the customer to create the inverse reset time characteristic curve For more information refer to Technical manual HarmRestrainx Enables the block of step x from the harmo...

Page 136: ...for several years In most cases the setting values are updated once every five years or less often Investigate the maximum load current that the equipment on the line can withstand Study components su...

Page 137: ...must be considered due to a possible DC component of the short circuit current The lowest current setting of the fastest stage can be written according to max 1 2 t sc high I k I EQUATION1265 V1 EN U...

Page 138: ...ons in the radial network there has to be a minimum time difference Dt between the time delays of two protections To determine the shortest possible time difference the operation time of the protectio...

Page 139: ...4 Sequence of events during fault where t 0 is when the fault occurs t t1 is when protection IED B1 and protection IED A1 start t t2 is when the trip signal from the overcurrent protection at IED B1 i...

Page 140: ...3 v12 When inverse time overcurrent characteristic is selected the operate time of the stage will be the sum of the inverse time delay and the set definite time delay Thus if only the inverse time de...

Page 141: ...ositive when the residual current lags the reference voltage Upol 3U0 or U2 Upol 3U0 or IN Dir RCA Operation 3U2 IEC05000135 5 en vsdx IEC05000135 V5 EN US Figure 55 Relay characteristic angle given i...

Page 142: ...lMin Minimum polarization reference polarizing voltage for the directional function given in of UBase 3 IN Dir Operate residual current release level in of IB for directional comparison scheme The set...

Page 143: ...d the 2nd harmonic restrain signal will latch as long as the residual current measured by the relay is larger than a selected step current level Assume that step 4 is chosen to be the most sensitive s...

Page 144: ...t level HarmBlkSOTF This is used to On Off harmonic restrain during SOTF conditions tSOTF Time delay for operation of the SOTF function The setting range is 0 000 60 000 s in step of 0 001 s The defau...

Page 145: ...the value set is the time between activation of the start and the trip outputs INx Operate residual current level for step x given in of IB INx Max and INx Min should only be changed if remote setting...

Page 146: ...input signal ENMULTx is activated the current operation level is increased by this setting constant ResetTypeCrvx The reset of the delay timer can be made in different ways The possibilities are desc...

Page 147: ...structure Back up earth fault and phase phase short circuit protection of transmission lines Sensitive earth fault protection of transmission lines NS4PTOC can have better sensitivity to detect resis...

Page 148: ...gainst each other should have the same time characteristic Therefore a wide range of standardized inverse time characteristics are available IEC and ANSI Table 15 Inverse time characteristics Curve na...

Page 149: ...L GlobalBaseSel Selects the global base value group used by the function to define IBase UBase and SBase as applicable GUID F7AA2194 4D1C 4475 8853 C7D064912614 v4 When inverse time overcurrent charac...

Page 150: ...art and the trip outputs kx Time multiplier for the dependent inverse characteristic IMinx Minimum operate current for step x in of IBase Set IMinx below Ix for every step to achieve ANSI reset charac...

Page 151: ...SI inverse time delay characteristics all three types of reset time characteristics are available instantaneous 1 IEC 2 set constant time reset and ANSI 3 current dependent reset time For IEC inverse...

Page 152: ...be found in the Technical Reference Manual 8 3 3 2 Common settings for all steps GUID A00A942B E760 42EE 8FEB F723426783F3 v1 x means step 1 2 3 and 4 AngleRCA Relay characteristic angle given in degr...

Page 153: ...Dir Operate residual current level for directional comparison scheme The setting is given in of IBase The start forward or start reverse signals can be used in a communication scheme The appropriate...

Page 154: ...3I0 3U0 cos where is the angle between the residual current and the reference residual voltage compensated with a characteristic angle A normal non directional residual current function can also be u...

Page 155: ...high zero resistive fault currents Phase currents Phase ground voltages IN UN IEC13000013 1 en vsd IEC13000013 V1 EN US Figure 60 Connection of SDEPSDE to analog preprocessing function block Overcurr...

Page 156: ...lt Rf is the resistance to earth in the fault point and Z0 is the system zero sequence impedance to earth The fault current in the fault point can be calculated as phase j 0 0 f 3 U I 3I Z 3 R EQUATIO...

Page 157: ...QUATION1947 V1 EN US Equation 44 Where Xn is the reactance of the Petersen coil If the Petersen coil is well tuned we have 3Xn Xc In this case the impedance Z0 will be Z0 3Rn Now consider a system wit...

Page 158: ...S Equation 45 Where Uphase is the phase voltage in the fault point before the fault Z1 is the total positive sequence impedance to the fault point Z1 Zsc ZT 1 ZlineAB 1 ZlineBC 1 Z0 is the total zero...

Page 159: ...ase for the inverse time delay The inverse time delay is defined as 0 0 inv 0 0 kSN 3I 3U cos reference t 3I 3U cos measured j j EQUATION1942 V2 EN US Equation 52 The function can be set On Off with t...

Page 160: ...CADir equal to 90 is shown in Figure 63 IEC06000649_3_en vsd ref U 90 90 RCADir ROADir 0 3I 0 3 I cos 0 3 ref ang I ang U 0 3U IEC06000649 V3 EN US Figure 63 Characteristic for RCADir equal to 90 When...

Page 161: ...e detected tDef is the definite time delay given in s for the directional residual current protection tReset is the time delay before the definite timer gets reset given in s With a tReset time of few...

Page 162: ...t transformers Hence there is no specific requirement for the external CT core i e any CT core can be used If the time delay for residual power is chosen the delay time is dependent on two setting par...

Page 163: ...echnical Manual for the description of different characteristics tPCrv tACrv tBCrv tCCrv Parameters for customer creation of inverse time characteristic curve Curve type 17 The time characteristic equ...

Page 164: ...erial will be destroyed In cables the insulation can be damaged as a consequence of the overtemperature As a consequence of this phase to phase or phase to earth faults can occur In stressed situation...

Page 165: ...cable and earth thermal resistivity From manuals for overhead conductor temperatures and corresponding current is given Tau The thermal time constant of the protected circuit given in minutes Please...

Page 166: ...for the rest of the power system Often the motoring condition may imply that the turbine is in a very dangerous state The task of the reverse power protection is to protect the turbine and not to prot...

Page 167: ...s axially and touches stationary parts They are not always strong enough to withstand the associated stresses Ice and snow may block the intake when the outdoor temperature falls far below zero Branch...

Page 168: ...eration With the parameter Operation the function can be set On Off Mode The voltage and current used for the power measurement The setting possibilities are shown in table 18 Table 18 Complex power c...

Page 169: ...er OpMode1 2 the function can be set On Off The function gives trip if the power component in the direction defined by the setting Angle1 2 is smaller than the set pick up power value Power1 2 Operate...

Page 170: ...2 0 Power1 2 P Q en06000556 vsd IEC06000556 V1 EN US Figure 67 For low forward power the set angle should be 0 in the underpower function TripDelay1 2 is set in seconds to give the time delay for trip...

Page 171: ...00 The angle compensation is given as difference between current and voltage angle errors The values are given for operating points 5 30 and 100 of rated current voltage The values should be available...

Page 172: ...ro Earlier disconnection would cause an acceleration of the turbine generator at all routine shutdowns This should have caused overspeed and high centrifugal stresses When the steam ceases to flow thr...

Page 173: ...rom the engine manufacturer and to measure the reverse power during commissioning Gas turbines usually do not require reverse power protection Figure 68 illustrates the reverse power protection with u...

Page 174: ...L L S U I I EQUATION1700 V1 EN US Equation 72 L2L3 2 3 2 3 L L L L S U I I EQUATION1701 V1 EN US Equation 73 L3L1 3 1 3 1 L L L L S U I I EQUATION1702 V1 EN US Equation 74 L1 1 1 3 L L S U I EQUATION1...

Page 175: ...is 0 2 of SN when metering class CT inputs into the IED are used 3 N S UBase IBase EQUATION1708 V1 EN US Equation 78 The setting Angle1 2 gives the characteristic angle giving maximum sensitivity of t...

Page 176: ...tion 79 The drop out power will be Power1 2 Hysteresis1 2 The possibility to have low pass filtering of the measured power can be made as shown in the formula 1 Old Calculated S k S k S EQUATION1893 V...

Page 177: ...pComp100 UAmpComp5 UAmpComp30 UAmpComp100 IAngComp5 IAngComp30 IAngComp100 The angle compensation is given as difference between current and voltage angle errors The values are given for operating poi...

Page 178: ...172...

Page 179: ...ge regulator or wrong settings under manual control symmetrical voltage decrease Overload symmetrical voltage decrease Short circuits often as phase to earth faults unsymmetrical voltage decrease UV2P...

Page 180: ...1 Equipment protection such as for motors and generators M13851 50 v3 The setting must be below the lowest occurring normal voltage and above the lowest acceptable voltage for the equipment 9 1 3 2 Di...

Page 181: ...f 3 In most applications it is sufficient that one phase voltage is low to give operation If UV2PTUV shall be insensitive for single phase to earth faults 2 out of 3 can be chosen In subtransmission a...

Page 182: ...k of trip Block all In case of a low voltage the undervoltage function can be blocked This function can be used to prevent function when the protected object is switched off If the parameter is set Bl...

Page 183: ...ower system like metallic connection to a higher voltage level broken conductor falling down to a crossing overhead line transformer flash over fault from the high voltage winding to the low voltage w...

Page 184: ...capacitors M13852 13 v1 High voltage will deteriorate the dielectricum and the insulation The setting has to be well above the highest occurring normal voltage and well below the highest acceptable v...

Page 185: ...urve The choice is highly dependent of the protection application OpModen This parameter describes how many of the three measured voltages that should be above the set level to give operation The sett...

Page 186: ...n BCrvn CCrvn DCrvn PCrvn Parameters to set to create programmable under voltage inverse time characteristic Description of this can be found in the technical reference manual CrvSatn When the denomin...

Page 187: ...change gas turbine start up and so on Sometimes shunt reactors are automatically switched in due to low frequency in order to reduce the power system voltage and hence also reduce the voltage depende...

Page 188: ...sitive loads The setting level the number of levels and the distance between two levels in time and or in frequency depends very much on the characteristics of the power system under consideration The...

Page 189: ...system against breakdown by shedding generation in over production situations The overfrequency start value is set in Hz All voltage magnitude related settings are made as a percentage of a settable...

Page 190: ...s are required at a rather high frequency level but in combination with a large negative rate of change of frequency the underfrequency protection can be used at a rather high setting 10 3 3 Setting g...

Page 191: ...n severe faults or combinations of faults are cleared up to 3 Hz s has been experienced when a small island was isolated from a large system For more normal severe disturbances in large power systems...

Page 192: ...s inside the turbine corrosion and erosion of the blade edges and additional loss of blade lifetime during the abnormal operating conditions The frequency limitations and their time restrictions for d...

Page 193: ...EC 60034 3 1996 requirement of continuous operation within the confines of their capability curves over the ranges of 5 in voltage and 2 in frequency Operation of the machine at rated power outside th...

Page 194: ...urrent level just above minimum load EnaVoltCheck set to Disable tCont to be coordinated to the grid requirements tAccLimit FreqHighLimit and FreqLowLimit setting is derived from the turbine manufactu...

Page 195: ...r voltage controlled restrained The over under voltage protection is applied on power system elements such as generators transformers motors and power lines in order to detect abnormal voltage conditi...

Page 196: ...both steps 4 Two undervoltage steps with the following built in features Definite time delay or Inverse Time Overcurrent TOC IDMT delay for both steps All these four protection elements within one ge...

Page 197: ...2 current phasor IL1 IL2 11 phase2 phase3 CVGAPC function will measure the current phasor internally calculated as the vector difference between the phase L2 current phasor and phase L3 current phasor...

Page 198: ...ge phasor and phase L2 voltage phasor UL1 UL2 11 phase2 phase3 CVGAPC function will measure the voltage phasor internally calculated as the vector difference between the phase L2 voltage phasor and ph...

Page 199: ...xibility the general current and voltage protection CVGAPC function can be used with appropriate settings and configuration in many different applications Some of possible examples are given below 1 T...

Page 200: ...e including the block transformer Higher quantities of machine current and voltage 3 to 4 per unit current and 50 to 70 rated voltage can be expected if the generator is connected to a strong system L...

Page 201: ...SBase are set in global base values for settings function GBASVAL GlobalBaseSel Selects the global base value group used by the function to define IBase UBase and SBase as applicable The overcurrent...

Page 202: ...stage for example OC1 10 By parameter CurveType_OC1 select appropriate TOC IDMT or definite time delayed curve in accordance with your network protection philosophy 11 Set StartCurr_OC1 to value betw...

Page 203: ...rt signals Furthermore the other built in UC OV and UV protection elements can be used for other protection and alarming purposes 11 1 3 2 Negative sequence overcurrent protection M13088 5 v4 Example...

Page 204: ...87 where top is the operating time in seconds of the Inverse Time Overcurrent TOC IDMT algorithm k is time multiplier parameter setting M is ratio between measured current magnitude and set pickup cu...

Page 205: ...mple use OC2 for negative sequence overcurrent alarm and OV1 for negative sequence overvoltage alarm 11 1 3 3 Generator stator overload protection in accordance with IEC or ANSI standards M13088 81 v3...

Page 206: ...e CVGAPC instance for example GF01 2 Set parameter CurrentInput to value PosSeq 3 Set base current value to the rated generator current in primary amperes 4 Enable one overcurrent step for example OC1...

Page 207: ...protection and alarming purposes In the similar way rotor overload protection in accordance with ANSI standard can be achieved 11 1 3 4 Open phase protection for transformer lines or generators and ci...

Page 208: ...time coordination study gives the following required settings Inverse Time Over Current TOC IDMT curve ANSI very inverse Pickup current of 185 of generator rated current at rated generator voltage Pic...

Page 209: ...ase generator voltages to one CVGAPC instance for example GF02 2 Set parameter CurrentInput to PosSeq 3 Set parameter VoltageInput to PosSeq 4 Set base current value to the rated generator current pri...

Page 210: ...6 0 2 0 6 0 8 0 8 1 D ILowSet B A C 0 4 0 2 0 1 2 1 4 0 4 0 6 0 8 rca Operating Region Q pu P pu rca UPS IPS ILowSet Operating region en05000535 vsd IEC05000535 V2 EN US Figure 73 Loss of excitation...

Page 211: ...l system cycle are first stored When enough samples are available in the internal memory the phasor values at set frequency defined by the setting parameter SetFrequency are calculated The following v...

Page 212: ...ical configuration connections required to utilize this filter in conjunction with multi purpose function as non directional overcurrent protection IEC13000179 1 en vsd IEC13000179 V1 EN US Figure 74...

Page 213: ...s f Hz Hz Hz EQUATION13000030 V1 EN US Equation 93 In order to properly extract the weak subsynchronous signal in presence of the dominating 50Hz signal the SMAI HPAC filter shall be set as given in t...

Page 214: ...118 55 300 so A K I 01 0 64 B T 0 0 C 1 0 p 1 0 k then exact replica of the existing relay will be achieved The following table summarizes all required settings for the multi purpose function Setting...

Page 215: ...C1 2 0 CurveType_OC1 Programmable tDef_OC1 0 00 k_OC1 1 00 tMin1 30 tMin_OC1 1 40 ResCrvType_OC1 Instantaneous tResetDef_OC1 0 00 P_OC1 1 000 A_OC1 118 55 B_OC1 0 640 C_OC1 0 000 1MRK 511 407 UEN C Se...

Page 216: ...210...

Page 217: ...urrents unequal transient saturation of CT cores with different remanence or different saturation factor may result in differences in the secondary currents from the two CT sets Unwanted blocking of p...

Page 218: ...of the measured voltage in the relay point Examples are impedance protection functions undervoltage function energizing check function and voltage check for the weak infeed logic These functions can o...

Page 219: ...ries in the primary system and differences in the current and voltage instrument transformers The minimum value for the operation of the current and voltage measuring elements must always be set with...

Page 220: ...NsINs or OptimZsNs In mode UZsIZs OR UNsINs both negative and zero sequence based algorithms are activated and working in an OR condition Also in mode OptimZsNs both negative and zero sequence algorit...

Page 221: ...ase is the base voltage for the function according to the setting GlobalBaseSel The setting of the current limit 3I0 is done in percentage of IBase The setting of 3I0 must be higher than the normal un...

Page 222: ...ltage that might occur during emergency conditions A setting of approximately 70 of UBase is recommended The current threshold IPh shall be set lower than the IMinOp for the distance protection functi...

Page 223: ...ability and extended purchase portfolio The virtual selector switches eliminate all these problems SLGAPC function block has two operating inputs UP and DOWN one blocking input BLOCK and one operator...

Page 224: ...ication IEC 60617 identification ANSI IEEE C37 2 device number Selector mini switch VSGAPC 43 14 2 2 Application SEMOD158803 5 v9 Selector mini switch VSGAPC function is a multipurpose function used i...

Page 225: ...3 Generic communication function for Double Point indication DPGAPC SEMOD55384 1 v4 14 3 1 Identification GUID E16EA78F 6DF9 4B37 A92D 5C09827E2297 v3 Function description IEC 61850 identification IE...

Page 226: ...D changes the timestamp of the output POSITION will be updated as the time when DPGAPC function detects the change Refer to Table 23 for the description of the input output relationship in terms of th...

Page 227: ...the SPC8GAPC function block is REMOTE 14 4 3 Setting guidelines SEMOD176518 4 v7 The parameters for the single point generic control 8 signals SPC8GAPC function are set via the local HMI or PCM600 Ope...

Page 228: ...9 5 v3 AUTOBITS function block has one setting Operation On Off enabling or disabling the function These names will be seen in the DNP3 communication management tool in PCM600 14 6 Single command 16 s...

Page 229: ...heck condition Single command function SINGLECMD CMDOUTy OUTy Close CB1 User defined conditions Synchro check Configuration logic circuits en04000206 vsd IEC04000206 V2 EN US Figure 76 Application exa...

Page 230: ...ice 1 User defined conditions Configuration logic circuits en04000208 vsd IEC04000208 V2 EN US Figure 78 Application example showing a logic diagram for control of external devices via configuration l...

Page 231: ...ator station or remote control gateway Steady sets the outputs to a steady signal 0 or 1 depending on the values sent from the station level Pulse gives a pulse with 100 ms duration if a value sent fr...

Page 232: ...226...

Page 233: ...le phase tripping for single phase faults two phase tripping for two phase faults and three phase tripping for three phase faults 1ph 2ph 3ph operating mode The logic also issues a three phase trippin...

Page 234: ...example could be the starting of breaker failure protection The three outputs TRL1 TRL2 TRL3 will always be activated at every trip and can be utilized on individual trip outputs if single phase opera...

Page 235: ...outputs TRL1 TRL2 and TRL3 The output TRIP is a general trip and is always activated independent of which phase is involved Depending on which phases are involved the outputs TR1P TR2P and TR3P will...

Page 236: ...e phase tripping application 15 1 2 3 Single two or three phase tripping M14828 15 v5 The single two three phase tripping mode provides single phase tripping for single phase faults two phase tripping...

Page 237: ...input SETLKOUT will result in lock out This is normally the case for overhead line protection where most faults are transient Unsuccessful autoreclose and back up zone tripping can in such cases be c...

Page 238: ...EVN BLOCK START FW REV STL1 FWL1 REVL1 STL2 FWL2 REVL2 STL3 FWL3 REVL3 STDIR STARTCOMB STN FWN REVN STN FWN REVN PROTECTION 3 IEC16000180 2 en vsdx IEC16000180 V2 EN US Figure 81 Example of the connec...

Page 239: ...d latches the TRIP related outputs The normal selection is Off AutoLock Sets the scheme for lock out Off only activates lock out through the input SETLKOUT On additionally allows lock out activation v...

Page 240: ...nes GUID 0BDD898A 360B 4443 A5CF 7619C80A17F4 v2 Operation On or Off 15 4 Logic for group alarm WRNCALH 15 4 1 Identification GUID 3EBD3D5B F506 4557 88D7 DFC0BD21C690 v4 Function description IEC 6185...

Page 241: ...tegories Configurable logic blocks that do not propagate the time stamp and the quality of signals They do not have the suffix QT at the end of their function block name for example SRMEMORY These log...

Page 242: ...cessible via the local HMI or via the PST tool 15 6 2 1 Configuration GUID D93E383C 1655 46A3 A540 657141F77CF0 v4 Logic is configured using the ACT configuration tool in PCM600 Execution of functions...

Page 243: ...other cases additional time delays must be introduced into the logic schemes to prevent errors for example race between functions 15 7 Fixed signal function block FXDSIGN IP15080 1 v2 15 7 1 Identifi...

Page 244: ...neutral point is available This means that only two inputs are used Since all group connections are mandatory to be connected the third input needs to be connected to something which is the GRP_OFF s...

Page 245: ...r receiving up to 16 booleans input locally If the BLOCK input is activated it will freeze the output at the last value Values of each of the different OUTx from function block B16I for 1 x 16 The sum...

Page 246: ...on the output OUT as a sum of the values of all the inputs INx that are activated OUT is an integer When all INx where 1 x 16 are activated that is Boolean 1 it corresponds to that integer 65535 is av...

Page 247: ...er output signals from one function to binary logical inputs to another function IB16 function does not have a logical node mapping The Boolean 16 to integer conversion function IB16 will transfer a c...

Page 248: ...5535 65535 is the highest boolean value that can be converted to an integer by the IB16 function block 15 11 Integer to Boolean 16 conversion with logic node representation ITBGAPC SEMOD158419 1 v3 15...

Page 249: ...BOOLEAN Output 4 8 0 OUT5 BOOLEAN Output 5 16 0 OUT6 BOOLEAN Output 6 32 0 OUT7 BOOLEAN Output 7 64 0 OUT8 BOOLEAN Output 8 128 0 OUT9 BOOLEAN Output 9 256 0 OUT10 BOOLEAN Output 10 512 0 OUT11 BOOLE...

Page 250: ...ues defined A resolution of 10 ms can be achieved when the settings are defined within the range 1 00 second tAlarm 99 999 99 seconds 1 00 second tWarning 99 999 99 seconds If the values are above thi...

Page 251: ...es Signed Comparison is performed on signed values of input and reference values RefSource This setting is used to select the reference source between input and setting for comparison Input REF The fu...

Page 252: ...e system relative to each other or to a fixed value It is a basic arithmetic function that can be used for monitoring supervision interlocking and other logics 15 14 3 Setting guidelines GUID DE69FF5B...

Page 253: ...mple GUID E7070CF6 B44B 4799 BE18 5C75B9FE2A87 v2 Let us consider a comparison is to be done between current magnitudes in the range of 90 to 110 with nominal rating is 100 and the order is kA For the...

Page 254: ...EqualBandHigh 5 0 of reference value EqualBandLow 5 0 of reference value Section 15 1MRK 511 407 UEN C Logic 248 Phasor measurement unit RES670 2 2 IEC Application manual...

Page 255: ...Voltage sequence component measurement VMSQI U1 U2 U0 SYMBOL TT V1 EN US Phase neutral voltage measurement VNMMXU U SYMBOL UU V1 EN US 16 1 2 Application SEMOD54488 4 v12 Measurement functions are use...

Page 256: ...sion can be used to report measured signal value to station level when change in measured value is above set threshold limit or time integral of all changes since the last time value updating exceeds...

Page 257: ...regarding any settings or parameters Zero clampings are also handled entirely by ZeroDb separately for each function s every output signal For example zero clamping of U12 is handled by UL12ZeroDb in...

Page 258: ...ut of operation Off The following general settings can be set for the Measurement function CVMMXN PowAmpFact Amplitude factor to scale power calculations PowAngComp Angle compensation for phase shift...

Page 259: ...or analog signal X This forms the maximum limit of the range XZeroDb Zero point clamping A signal value less than XZeroDb is forced to zero Observe the related zero point clamping settings in Setting...

Page 260: ...eRef defines the reference Calibration curves It is possible to calibrate the functions CVMMXN CMMXU VMMXU and VNMMXU to get class 0 5 presentations of currents voltages and powers This is accomplishe...

Page 261: ...ication for a 400kV OHL SEMOD54481 12 v11 Single line diagram for this application is given in figure 87 400kV Busbar 400kV OHL P Q 1000 1 A IEC09000039 3 en vsdx IED kV 3 1 0 3 400 IEC09000039 1 EN V...

Page 262: ...quired UGenZeroDb Zero point clamping in of Ubase 25 Set minimum voltage level to 25 Voltage below 25 will force S P and Q to zero IGenZeroDb Zero point clamping in of Ibase 3 Set minimum current leve...

Page 263: ...value Comments IAmpComp5 Amplitude factor to calibrate current at 5 of Ir 0 00 IAmpComp30 Amplitude factor to calibrate current at 30 of Ir 0 00 IAmpComp100 Amplitude factor to calibrate current at 10...

Page 264: ...as indicated in figure 88 it is necessary to do the following 1 Set correctly all CT and VT and phase angle reference channel PhaseAngleRef data using PCM600 for analog input channels 2 Connect in PCM...

Page 265: ...L1L2 Only UL1L2 phase to phase voltage is available k Low pass filter coefficient for power measurement U and I 0 00 Typically no additional filtering is required UGenZeroDb Zero point clamping in of...

Page 266: ...s indicated in figure 89 it is necessary to do the following 1 Set correctly all CT and VT data and phase angle reference channel PhaseAngleRef using PCM600 for analog input channels 2 Connect in PCM6...

Page 267: ...age level in kV 15 65 Set generator rated phase to phase voltage IBase set in Global base Base setting for current level in A 3690 Set generator rated current 16 2 Gas medium supervision SSIMG GUID 35...

Page 268: ...PressureAlarm This is used to set the time delay for a pressure alarm indication given in s tPressureLO This is used to set the time delay for a pressure lockout indication given in s tTempAlarm This...

Page 269: ...GUID 0C8E498B 2A65 44ED 91D6 53EC72F49222 v4 The parameters for Liquid medium supervision SSIML can be set via local HMI or Protection and Control Manager PCM600 Operation This is used to disable ena...

Page 270: ...because there could be a number of abnormal operations or few operations with high level currents within the predetermined maintenance interval Hence condition based maintenance scheduling is an optim...

Page 271: ...50000 20000 10000 2000 5000 1000 100 200 500 10 20 50 0 1 0 2 0 5 1 2 5 10 20 50 100 IEC12000623_1_en vsd IEC12000623 V1 EN US Figure 90 An example for estimating the remaining life of a circuit break...

Page 272: ...he previous value The accumulated energy value can be reset to initial accumulation energy value by using the Reset accumulating energy input RSTIPOW Circuit breaker operation cycles Routine breaker m...

Page 273: ...IPOWLOPH TRVTOPAL and TRVTCLAL signals are not used in SAM600 IO 16 4 3 1 Setting procedure on the IED GUID 4E895FEA 74BF 4B11 A239 0574F8FF5188 v5 The parameters for breaker monitoring SSCBR can be...

Page 274: ...re lockout DirCoef Directional coefficient for circuit breaker life calculation RatedOperCurr Rated operating current of the circuit breaker RatedFltCurr Rated fault current of the circuit breaker Ope...

Page 275: ...puts can be set individually as NoEvents OnSet at pick up of the signal OnReset at drop out of the signal OnChange at both pick up and drop out of the signal AutoDetect the EVENT function makes the re...

Page 276: ...rove existing equipment and so on This information can also be used in a longer perspective when planning for and designing new installations that is a disturbance recording could be a part of Functio...

Page 277: ...It is possible to handle up to 40 analog and 352 binary signals either internal signals or signals coming from external inputs The binary signals are identical in all functions that is Disturbance rec...

Page 278: ...hree LED indications placed above the LCD screen makes it possible to get quick status information about the IED Green LED Steady light In Service Flashing light Internal failure Dark No power supply...

Page 279: ...recordings stored in the IED is 100 The oldest recording will be overwritten when a new recording arrives FIFO To be able to delete disturbance records Operation parameter has to be On The maximum nu...

Page 280: ...line In order to capture the new disturbance it is possible to allow retriggering PostRetrig On during the post fault time In this case a new complete recording will start and during a period run in...

Page 281: ...o trig the disturbance recorder If OperationM On waveform samples will also be recorded and reported in graph NomValueM Nominal value for input M OverTrigOpM UnderTrigOpM Over or Under trig operation...

Page 282: ...ty of recording equipment in power systems is increasing since the number of modern IEDs where recorders are included is increasing This leads to a vast number of recordings at every single disturbanc...

Page 283: ...EE C37 2 device number Logical signal status report BINSTATREP 16 7 2 Application GUID F9D225B1 68F7 4D15 AA89 C9211B450D19 v3 The Logical signal status report BINSTATREP function makes it possible to...

Page 284: ...he four limit reach indication outputs can be utilized to initiate proceeding actions The output indicators remain high until the reset of the function It is also possible to initiate the counter from...

Page 285: ...ne Settable time limits for warning and alarm are provided The time limit for overflow indication is fixed to 99999 9 hours At overflow the accumulated time resets and the accumulation starts from zer...

Page 286: ...280...

Page 287: ...e substation automation system or read via the station monitoring system as a service value When using IEC 61850 8 1 a scaled service value is available over the station bus The normal use for this fu...

Page 288: ...the same board used for pulse counting 17 2 Function for energy calculation and demand handling ETPMMTR SEMOD153638 1 v2 17 2 1 Identification SEMOD175537 2 v4 Function description IEC 61850 identifi...

Page 289: ...with the pulse output setting values EAFAccPlsQty EARAccPlsQty ERFAccPlsQty and ERVAccPlsQty of the energy metering function and then the pulse counter can be set up to present the correct values by...

Page 290: ...Wh value in each pulse It should be selected together with the setting of the Pulse counter PCGGIO settings to give the correct total pulse value ERFAccPlsQty and ERVAccPlsQty gives the MVArh value in...

Page 291: ...iguration tool ECT in PCM600 The access point is activated if the Operation checkbox is checked for the respective access point and a partial or common write to IED is performed To increase security i...

Page 292: ...he other subnetwork By default this is set to 0 0 0 0 which means that no default gateway is selected ECT validates the entered value but the default gateway has to be in the same subnetwork as the ac...

Page 293: ...h availability Seamless Redundancy HSR provides redundant communication over station bus running the available communication protocols The redundant communication uses two Ethernet ports IEC09000758 4...

Page 294: ...d when the parameter is set to PRP 0 PRP 1 or HSR The settings for the next access point will be hidden and PhyPortB will show the second port information Redundant communication is activated after a...

Page 295: ...Merging Units MU The rear access points are used for the communication The merging units MU are called so because they can gather analog values from one or more measuring transformers sample the data...

Page 296: ...e specifies that when a package is sent to the destination device it should be sent through the selected router If no route is specified the source device will not find the destination device 18 4 2 S...

Page 297: ...tal communication between two or more intelligent electronic devices IEDs from one or several vendors to exchange information and to use it in the performance of their functions and for correct co ope...

Page 298: ...with IEC 61850 8 1 M16925 3 v4 Figure99 shows the GOOSE peer to peer communication Control Protection Control Protection Control and protection GOOSE en05000734 vsd Station HSI MicroSCADA Gateway IED...

Page 299: ...on for Single Point Value SPGAPC function is used to send one single logical output to other systems or equipment in the substation SP16GAPC can be used to send up to 16 single point values from the a...

Page 300: ...plication GUID 808177B7 02CA 40DF B41B 8B580E38478B v1 The GOOSE receive function blocks are used to receive subscribed data from the GOOSE protocol The validity of the data value is exposed as output...

Page 301: ...nd the inaccuracy added by the merging unit must be coordinated with the requirement for the actual type of protection function Factors influencing the accuracy of the sampled values from the merging...

Page 302: ...erging units MU are called so because they can gather analog values from one or more measuring transformers sample the data and send the data over process bus to other clients or subscribers in the sy...

Page 303: ...s IEC61850 8 1 en08000069 3 vsd IEC08000069 V2 EN US Figure 102 Example of a station configuration with the IED receiving analog values from both classical measuring transformers and merging units 19...

Page 304: ...is set to Block and the IED hardware time synchronization is lost or the synchronization to the MU time is lost the protection functions in the list 30 will be blocked due to conditional blocking If...

Page 305: ...and processd normally DTT from the remote end is still processed IEC13000299 2 en vsd Direct transfer trip DTT local remote IED IED MU Not OK OK IEC13000299 V2 EN US Figure 104 MU failed mixed system...

Page 306: ...ailure protection CCRBRF PoleSlip Out of step protection PSPPPAM Breaker failure protection single phase version CCSRBRF Restricted earth fault protection low impedance REFPDIF Current circuit supervi...

Page 307: ...R1ATCC Generator stator overload protection GSPTTR Automatic voltage control for tapchanger parallel control TR8ATCC Directional Underpower protection GUPPDUP Thermal overload protection two time cons...

Page 308: ...uadrilateral for earth faults ZMMAPDIS Loss of voltage check LOVPTUV Fullscheme distance protection quadrilateral for earth faults ZMMPDIS Line differential protection 3 CT sets with inzone transforme...

Page 309: ...s from different sources refer to the correct phase angle When only one MU is used as an analog source it is theoretically possible to do without time synchronization However this would mean that time...

Page 310: ...PTP SyncLostMode set to Block to block protection functions if time synchronization is lost or set to BlockOnLostUTC if the protection functions are to be blocked when global common synchronization i...

Page 311: ...tion Settings on the local HMI under Main menu Configuration Time Synchronization TIMESYNCHGEN 1 IEC61850 9 2 SyncLostMode set to Block to block protection functions if time synchronization is lost Sy...

Page 312: ...onitoring signals with no time synchronization SYNCH signal on the MUx function block indicates that protection functions are blocked due to loss of internal time synchronization to the IED Since Sync...

Page 313: ...epicts the usage of the quality expander block in ACT IEC16000073 1 en vsdx IEC16000073 V1 EN US Figure 109 Quality expander block in ACT The expanded quality bits are visible on the outputs as per IE...

Page 314: ...l center and also from other IEDs via bay to bay horizontal communication For LON communication an SLM card should be ordered for the IEDs The fiber optic LON bus is implemented using either glass cor...

Page 315: ...module is used for control functions in the IEDs The module contains a process picture dialogues and a tool to generate a process database for the control application in MicroSCADA When using MicroSC...

Page 316: ...915 1 v1 Settings M14789 4 v3 The parameters for the multiple command function are set via PCM600 The Mode setting sets the outputs to either a Steady or Pulsed mode 19 5 SPA communication protocol IP...

Page 317: ...ple where the IED is a slave and the PC is the master Only one master can be applied on each fiber optic loop A program is required in the master computer for interpretation of the SPA bus codes and f...

Page 318: ...fferent communication speeds are used in the same fiber optical loop or RS485 network take this into account when making the communication setup in the communication master the PC With local fiber opt...

Page 319: ...RTU connected to the Communication and processing module the only hardware needed is optical fibers and an opto electrical converter for the PC RTU or a RS 485 connection depending on the used IED com...

Page 320: ...he PC RTU PC RTU Commands M17109 62 v4 The commands defined in the IEC 60870 5 103 protocol are represented in dedicated function blocks These blocks have output signals for all available commands acc...

Page 321: ...ORMATION NUMBER parameter for each input signal Supervision indications in monitor direction Function block with defined functions for supervision indications in monitor direction I103Superv This bloc...

Page 322: ...ted when the fault locator function is included in the IED Disturbance recordings M17109 111 v9 The transfer functionality is based on the Disturbance recorder function The analog and binary signals r...

Page 323: ...onfiguration Communication Station Communication IEC60870 5 103 config selector SlaveAddress BaudRate RevPolarity optical channel only CycMeasRepTime MasterTimeDomain TimeSyncMode EvalTimeAccuracy Eve...

Page 324: ...delivered All GI data from a single block will come from the same cycle If EventRepMode HiPriSpont spontaneous events will be delivered prior to GI event To prevent old GI data from being delivered a...

Page 325: ...on the disturbance recorder for each input The user must set these parameters to whatever he connects to the corresponding input Refer to description of Main Function type set on the local HMI Recorde...

Page 326: ...nge 36 91 Private range 37 92 Private range 38 93 Private range 39 94 Private range 40 95 Private range 19 6 3 Function and information types M17109 145 v7 Product type IEC103mainFunType value Comment...

Page 327: ...astic fiber should be used BFOC 2 5 is the recommended interface to use BFOC 2 5 is the same as ST connectors ST connectors are used with the optical power as specified in standard For more informatio...

Page 328: ...322...

Page 329: ...n addition to this there are application possibilities for example blocking enabling functionality in the remote substation changing setting group in the remote IED depending on the switching situatio...

Page 330: ...h the local three currents In order to forward the logic signals for example inter trip or inter block between IED A and IED C the setting LinkForwarded should be defined In IED B it is set to LDCM313...

Page 331: ...16 LDCM with an external optical to galvanic converter and a multiplexer When an external modem G 703 is used the connection between LDCM and the modem is made with a multimode fiber of max 3 km lengt...

Page 332: ...ommunication system If the same number is used for TerminalNo in some of the LDCMs a loop back test in the communication system can give an incorrect trip RemoteTermNo is used to assign a number to ea...

Page 333: ...m and HighPower for fibers greater than 1 km Medium range LDCM Typical distance 80 km for both LowPower and HighPower Long range LDCM Typical distance 120 km for both LowPower and HighPower An optical...

Page 334: ...m 0 32 dB km 0 21 dB km Attenuation Contact 1 5 dB ST 1 5 dB ST 0 3 dB FC PC 0 3 dB FC PC Factory splice attenuation 0 5 dB splice 0 3 splices km 0 5 dB splice 0 1 splices km 0 08 dB splice 0 1 splice...

Page 335: ...es asymmetry which is defined as transmission delay minus receive delay If fixed asymmetry is known Echo synchronization method can be used provided that AsymDelay is properly set From the definition...

Page 336: ...es the current peak value over which truncation is made To set this value knowledge of fault current levels is required It is recommended to set the minimum range that will cover the expected fault cu...

Page 337: ...included self supervision with internal event list function block provides good supervision of the IED The fault signals make it easier to analyze and locate a fault Both hardware and software supervi...

Page 338: ...8775D0 ACF0 49C6 A7F6 69AF37F1C68F v1 21 3 1 Application GUID 51EEC9C7 8ECF 4546 BC26 326861654340 v4 Change lock function CHNGLCK is used to block further changes to the IED configuration once the co...

Page 339: ...ad that can be produced by Ethernet network traffic on the IED The communication facilities must not be allowed to compromise the primary functionality of the device All inbound network traffic will b...

Page 340: ...334...

Page 341: ...geable data that uniquely identifies the IED Product information data is visible on the local HMI under Main menu Diagnostics IED status Product identifiers and under Main menu Diagnostics IED Status...

Page 342: ...s Product identifiers Firmware version numbers run independently from the release production numbers For every release number there can be one or more firmware versions depending on the small issues c...

Page 343: ...ing groups IP1745 1 v1 22 4 1 Application M12007 6 v10 Six sets of settings are available to optimize IED operation for different power system conditions By creating and switching between fine tuned s...

Page 344: ...ly the selected number of setting groups will be available in the Parameter Setting tool PST for activation with the ActiveGroup function block 22 5 Rated system frequency PRIMVAL IP15064 1 v2 22 5 1...

Page 345: ...minal system frequency ExternalDFTRef This setting means that the DFT samples per cycle adaptive DFT will be controlled by SMAI1 SPFCOUT FreqMeasMinVal The minimum value of the voltage for which the f...

Page 346: ...unctions throughout the IED typically SBase 3 UBase IBase 22 8 Signal matrix for binary inputs SMBI SEMOD55793 1 v2 22 8 1 Application M15310 3 v2 The Signal matrix for binary inputs function SMBI is...

Page 347: ...ool SMMI represents the way milliamp mA inputs are brought in for one IED configuration 22 10 2 Setting guidelines SEMOD55247 5 v2 There are no setting parameters for the Signal matrix for mA inputs S...

Page 348: ...ng ConnectionType is Ph Ph the user is advised to connect two not three of the inputs GRPxL1 GRPxL2 and GRPxL3 to the same voltage input as shown in figure 118 to make SMAI calculate a positive sequen...

Page 349: ...TRef will use fixed DFT reference based on set system frequency DFTRefGrp n will use DFT reference from the selected group block when own group is selected an adaptive DFT reference will be used based...

Page 350: ...ncy tracking Preprocessing block shall only be used to feed functions within the same execution cycles e g use preprocessing block with cycle 1 to feed transformer differential protection The only exc...

Page 351: ...000197 V2 EN US Figure 119 Twelve SMAI instances are grouped within one task time SMAI blocks are available in three different task times in the IED Two pointed instances are used in the following exa...

Page 352: ...ence voltage is used for the frequency tracking feature For task time group 1 this gives the following settings see Figure 119 for numbering SMAI1 1 DFTRefExtOut DFTRefGrp7 to route SMAI7 7 reference...

Page 353: ...e Observe that positive sequence voltage is used for the frequency tracking feature For task time group 1 this gives the following settings see Figure 119 for numbering SMAI1 1 SMAI12 12 DFTReference...

Page 354: ...protocol manual IEC 61850 Edition 1 and Edition 2 There is no setting in PCM600 via PST for the TESTMODE function block To be able to set the function block TESTMODE remotely the setting via path on L...

Page 355: ...te the abnormal operation of the IED The IEC 61850 7 4 gives a detailed overview over all aspects of the test mode and other states of mode and behavior The status of a function block behavior Beh is...

Page 356: ...f Time Zones 22 13 1 2 Synchronization M11348 143 v5 The setting parameters for the real time clock with external time synchronization are set via local HMI or PCM600 The path for Time Synchronization...

Page 357: ...parameters IRIG B 1 are as follows SynchType TimeDomain Encoding TimeZoneAs1344 SynchType This parameter is used to select the type of IRIG B synchronization The options are BNC or Opto The IRIG B mod...

Page 358: ...Off or Slave only When set to Slave only the IED is connected to the PTP group and will synchronize to the grandmaster but cannot function as the grandmaster A PTP group is set up by connecting the IE...

Page 359: ...parameter FineSyncSource under Configuration Time Synchronization TIMESYNCHGEN 1 General is set to GPS if there is a GPS antenna attached If the GTM is used as a PPS output only the FineSynchSource i...

Page 360: ...t provides PPS as synchronization use PPS as HwSyncSrc If either PMU or LDCM in GPS mode is used that is the hardware and software clocks are connected to each other HwSyncSrc is not used and other me...

Page 361: ...ese types are related to the design of the iron core and the presence of airgaps Airgaps affects the properties of the remanent flux The following three different types of protection CTs have been spe...

Page 362: ...ves a remanent flux higher than 80 of the saturation flux The High Remanence HR type is a CT with closed iron core for example protection classes TPX P PX according to IEC class C K according to ANSI...

Page 363: ...ormed in our network simulator The current transformer models are representative for current transformers of high remanence and low remanence type The results may not always be valid for non remanence...

Page 364: ...mum fault current for the relevant fault position should be used and therefore both fault types have to be considered 23 1 4 Secondary wire resistance and additional load M11614 3 v1 M11614 4 v4 The v...

Page 365: ...rrent transformers of high remanence and low remanence type that fulfill the requirements on the rated equivalent limiting secondary e m f Eal below can be used The characteristic of the non remanence...

Page 366: ...he Eal Therefore the CTs according to class PX PXR X and TPS must have a rated knee point e m f Eknee that fulfills the following knee k kneeBS al alreq E E E U 0 8 maximumof E EQUATION2100 V2 EN US E...

Page 367: ...etic or capacitive voltage transformers can be used The capacitive voltage transformers CVTs should fulfill the requirements according to the IEC 61869 5 standard regarding ferro resonance and transie...

Page 368: ...e BER for high availability of the differential protection 10 8 10 9 during normal operation 10 6 during disturbed operation During disturbed conditions the trip security function can cope with high b...

Page 369: ...9 2LE standard This part of the IEC 61850 is specifying Communication Service Mapping SCSM Sampled values over ISO IEC 8802 in other words sampled data over Ethernet The 9 2 part of the IEC 61850 prot...

Page 370: ...the merging unit are for example anti aliasing filters frequency range step response truncating A D conversion inaccuracy time tagging accuracy etc In principle the accuracy of the current and voltag...

Page 371: ...rican Wire Gauge standard BBP Busbar protection BFOC 2 5 Bayonet fiber optic connector BFP Breaker failure protection BI Binary input BIM Binary input module BOM Binary output module BOS Binary output...

Page 372: ...urbance recorder according to IEEE ANSI C37 111 1999 IEC 60255 24 Contra directional Way of transmitting G 703 over a balanced line Involves four twisted pairs two of which are used for transmitting d...

Page 373: ...rformance architecture ESD Electrostatic discharge F SMA Type of optical fiber connector FAN Fault number FCB Flow control bit Frame count bit FOX 20 Modular 20 channel telecommunication system for sp...

Page 374: ...urrent transformers for transient performance IEC 60870 5 103 Communication standard for protection equipment A serial master slave protocol for point to point communication IEC 61850 Substation autom...

Page 375: ...l It provides packet routing fragmentation and reassembly through the data link layer 2 Ingression protection according to IEC 60529 IP 20 Ingression protection according to IEC 60529 level 20 IP 40 I...

Page 376: ...rhaps it should not have seen it PCI Peripheral component interconnect a local data bus PCM Pulse code modulation PCM600 Protection and control IED manager PC MIP Mezzanine card standard PELV circuit...

Page 377: ...ptical Ethernet port explanation SLM Serial communication module SMA connector Subminiature version A A threaded connector with constant impedance SMT Signal matrix tool within PCM600 SMS Station moni...

Page 378: ...Transformer Module This module transforms currents and voltages taken from the process into levels suitable for further signal processing TYP Type identification UMT User management tool Underreach A...

Page 379: ...s for Z which stands for longitude zero UV Undervoltage WEI Weak end infeed logic VT Voltage transformer X 21 A digital signalling interface primarily used for telecom equipment 3IO Three times zero s...

Page 380: ...374...

Page 381: ...375...

Page 382: ...AB Grid Automation Products 721 59 V ster s Sweden Phone 46 0 21 32 50 00 abb com protection control Copyright 2017 ABB All rights reserved Specifications subject to change without notice 1MRK 511 407...

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