Sel SEL-421 - Permissive Trip Receiver Logic Diagram

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R.1.96

SEL-421 Relay Reference Manual Date Code 20111215

Protection Functions

Permissive Overreaching Transfer Tripping Scheme

Figure 1.62 Permissive Trip Receiver Logic Diagram

To POTT

Logic

Relay

Word

Bit

ECOMM := POTT

Setting

ECOMM := DCUB1

ECOMM := DCUB2

PT1

PT2

ECOMM := POTT2

Setting

Control

Input

Assigments

Main Page

Table of Contents3
List of Tables9
Jumpers...................................................................................................................................................... U9
Features..............................................................................................................................................11
List of Figures23
Connection............................................................................................................................................24
Manual Overview33
Applications34
Conventions36
Examples36
Commands37
Numbers37
Safety Information37
Logic Diagrams38
SEL-421 Cautions, Warnings, and Dangers39
Protection Functions43
Current and Voltage Source Selection44
Current Source Switching44
Current and Voltage Source Connections for the SEL-421 Relay44
Applications................................................................................................................................................. U44
Main and Alternate Line Current Source Assignments45
Combined Currents for Line Current Source Assignment45
Breaker Current Source Assignments45
Available Current Source Selection Settings Combinations46
Current Source Uses48
Voltage Source Switching and Uses48
Available Voltage Source-Selection Setting Combinations49
Default Applications50
ESS := 1, Single Circuit Breaker Configuration50
ESS := 1, Current and Voltage Source Selection51
ESS := 2, Single Circuit Breaker Configuration51
Configuration—Independent Current Inputs52
ESS := 2, Current and Voltage Source Selection52
ESS := 3, Double Circuit Breaker Configuration52
Configuration—Common Current Inputs53
ESS := 3, Current and Voltage Source Selection53
ESS := 4, Double Circuit Breaker Configuration53
Tapped Line54
ESS := 4, Current and Voltage Source Selection54
Tapped EHV Overhead Transmission Line54
Single Circuit Breaker with Current Polarizing Source55
ESS := Y, Tapped Line55
Using ALTI and ALTV56
Frequency Estimation57
Frequency Estimation Outputs57
Time-Error Calculation58
Frequency Estimation for Protection Functions58
Description and Settings58
Time Error Command59
Time-Error Calculation Inputs and Outputs59
Sample TEC Command Response59
Fault Location60
Fault Location Triggering Elements60
Fault Type61
Fault Location Settings61
Fault Location Relay Word Bit61
Open Phase Detection Logic62
Pole Open Logic62
Open Phase Detection Relay Word Bits62
Pole Open Logic Settings62
EPO Setting Selections63
Pole Open Logic Relay Word Bits63
Pole Open Logic Diagram64
Loss-Of-Potential Logic65
Setting ELOP := N65
Setting ELOP := y66
Setting ELOP := Y166
LOP Logic Setting66
LOP Logic Relay Word Bits66
LOP Logic68
Fault Type Identification Selection Logic69
Ground Directional Element69
FIDS Relay Word Bits69
Directional Elements Supervising Ground Elements69
Settings70
Ground Directional Element Settings70
Ground Directional Element Settings AUTO Calculations70
Detailed Settings Description71
50FP and 50RP71
Z2F and Z2R71
A2 and K271
Directional Element Enables72
A072
Order72
E32Iv72
Q and 32QG Enable Logic Diagram73
V and 32I Enable Logic Diagram73
Ground Directional Element Relay Word Bits74
Best Choice Ground Directional Logic75
Negative-Sequence Voltage-Polarized Directional Element Logic76
Zero-Sequence Voltage-Polarized Directional Element Logic76
Ground Directional Element Output Logic Diagram77
Ground Directional Element Equations78
Phase and Negative-Sequence Directional Elements80
Directionality81
P, Phase Directional Element Logic Diagram81
Q, Negative-Sequence Directional Element Logic Diagram81
CVT Transient Detection82
Zone Directional Settings82
CVT Transient Detection Logic Setting82
CVT Transient Detection Logic Relay Word Bit82
Series-Compensation Line Logic83
CVT Transient Detection Logic83
Series-Compensation Line Logic Relay Settings83
Load-Encroachment Logic84
Load-Encroachment Logic Diagram84
Load-Encroachment Characteristics84
Out-Of-Step Logic85
Load-Encroachment Logic Relay Settings85
Load-Encroachment Logic Relay Word Bits85
OOS Characteristics86
OOS Logic Relay Settings87
OOS Logic Relay Word Bits88
OOS Override Logic89
OOS Positive-Sequence Measurements89
OOS Logic Diagram90
Mho Ground Distance Elements91
Open-Pole OSB Unblock Logic91
Mho Ground Distance Element Settings92
Mho Ground Distance Elements Relay Word Bits92
Zone 1 Mho Ground Distance Element Logic Diagram93
Zone 2 Mho Ground Distance Element Logic Diagram94
Zones 3, 4, and 5 Mho Ground Distance Element Logic Diagram95
Quadrilateral Ground Distance Elements96
Quadrilateral Ground Distance Element Settings96
Quadrilateral Ground Distance Elements Relay Word Bits97
Zone 1 Quadrilateral Ground Distance Element Logic Diagram97
Zone 2 Quadrilateral Distance Element Logic Diagram98
Zones 3, 4, and 5 Quadrilateral Ground Distance Element Logic99
Mho Phase Distance Elements100
Mho Phase Distance Element Settings100
Mho Phase Distance Elements Relay Word Bits100
Zone 1 Mho Phase Distance Element Logic Diagram101
Zone 2 Mho Phase Distance Element Logic Diagram102
Zone Time Delay103
Independent Zone Timing103
Zones 3, 4, and 5 Mho Phase Distance Element Logic Diagram103
Common Zone Timing104
Zone Delay Settings104
Zone Time Delay Relay Word Bits104
Zone Timers105
Instantaneous Line Overcurrent Elements106
Phase Overcurrent Element Settings106
Negative-Sequence Overcurrent Element Settings107
Residual Ground Overcurrent Element Settings107
Phase Instantaneous/Definite-Time Line Overcurrent Relay Word Bits108
Phase Instantaneous/Definite-Time Overcurrent Elements110
Residual Ground Instantaneous/Directional Overcurrent Elements111
Inverse-Time Overcurrent Elements112
Selectable Current Quantities113
Selectable Inverse-Time Overcurrent Settings113
Time-Current Operating Characteristics114
Equations Associated with U.S. Curves115
Equations Associated with IEC Curves115
Multiples of Pickup116
Switch-Onto-Fault Logic126
Selectable Inverse-Time Overcurrent Element Logic Diagram126
Circuit Breaker Opened SOTF Logic126
Circuit Breaker Closed SOTF Logic127
SOTF Options127
SOTF Settings127
SOTF Relay Word Bits127
SOTF Logic Diagram128
Communications-Assisted Tripping Logic129
ECOMM Setting129
Required Zone Directional Settings129
Directional Comparison Blocking Scheme130
Coordination Timers130
Starting Elements131
Nondirectional Start131
Directional Start131
Extension of the Blocking Signal131
Stopping Elements132
Three-Terminal Line132
DCB Settings132
DCB Relay Word Bits132
Permissive Overreaching Transfer Tripping Scheme133
DCB Logic Diagram133
POTT Scheme133
Pott134
Pott2134
Pott3134
POTT Scheme Logic134
Weak-Infeed Logic135
Echo135
Three-Terminal Lines136
Cross-Country Faults136
POTT Settings136
POTT Relay Word Bits137
Permissive Trip Receiver Logic Diagram138
POTT Logic Diagram139
POTT Cross-Country Logic Diagram140
POTT Scheme Logic (ECOMM := POTT3) with Echo and Weak Infeed141
Directional Comparison Unblocking Scheme Logic142
DCUB Settings143
GARD1D: Guard-Present Delay143
UBDURD: DCUB Disable Delay144
UBEND: DCUB Duration Delay144
DCUB Relay Word Bits144
Permissive Trip Received Logic Diagram145
DCUB Logic Diagram146
Trip Logic147
Three-Pole Tripping147
Single-Pole Tripping147
Additional Settings for Single Pole Tripping (SPT)147
Trip Unlatch Options148
DTA, DTB, and DTC148
Trsotf148
Trcomm148
Timers149
Setting TULO Unlatch Trip Options149
Ultr149
Minimum Trip Duration149
Trip Output Signals150
Manual Trip Logic150
Trip Logic Settings and Relay Word Bits150
Trip Logic Relay Word Bits (Sheet 1 of 2)151
Trip Logic Diagram154
Circuit Breaker Failure Protection157
Trip a Unlatch Logic157
Trip During Open Pole157
Failure to Interrupt158
Circuit Breaker Failure Protection Logic158
Retrip Logic158
Circuit Breaker Failure Protection Logic: Multiphase Faults159
Circuit Breaker Failure Protection Logic: Single-Phase Faults159
Current-Supervised Three-Pole Retrip Logic160
Scheme 2 Single-Pole Circuit Breaker Failure Protection Logic160
Circuit Breaker Failure Initiation Dropout and Seal-In161
Current-Supervised Single-Pole Retrip Logic161
Load Current Detection: 50LP1162
Time Delay on Pickup: LCPU1162
Circuit Breaker Flashover Protection163
Circuit Breaker Failure Trip Logic163
Load Current Circuit Breaker Failure Initiation: BFILC1163
Unlatch Circuit Breaker Failure Trip Equation163
Circuit Breaker Failure Protection Logic Settings164
Circuit Breaker Failure Relay Word Bits164
Circuit Breaker Failure Seal-In Logic Diagram166
Failure to Interrupt Load Current Logic Diagram166
Flashover Protection Logic Diagram167
Circuit Breaker Failure Trip Logic Diagram167
Auto-Reclosing and Synchronism Check169
Auto-Reclosing170
Logical States170
Start (79STRT)170
Reset (BK1RS, BK2RS)170
Single-Pole Auto-Reclose (79CY1)171
Three-Pole Auto-Reclose (79CY3)171
Lockout (BK1LO, BK2LO)171
State Diagram171
One-Circuit-Breaker Auto-Reclosing172
One Circuit Breaker Auto-Reclose Modes172
Single-Pole Mode173
SPRCD Reclaim Timing173
Three-Pole Mode174
Lockout State from 79CY1174
3PRCD Reclaim Timing174
Single- and Three-Pole Mode175
Lockout State from 79CY3175
Three-Pole Priority175
Active Circuit Breakers176
Enable Auto-Reclose Logic for One Circuit Breaker176
Three-Pole Trip Circuit Breaker176
Single-Pole Trip Circuit Breaker176
Recloser Mode Enables177
Trip Logic and Reclose Sources177
Internal Recloser177
One Circuit Breaker Modes of Operation177
Two-Circuit-Breaker Auto-Reclosing178
External Recloser178
SPLSHT Deasserted (Single-Pole Shot Remains)180
3PLSHT Deasserted (Three-Pole Shot Remains)182
3PLSHT Asserted (Last Shot)182
Example One: no Follower186
Reset State and 79CY3 Cycle State186
Lockout State187
Reset State after Reclaim Time187
Block Reclosing with Enable Settings187
Example Two: BK2 as Successful Follower and Dynamic Leader188
Reset State188
Example Three: BK2 as Conditional Follower189
79CY3 Cycle State189
Example Four: Input Selection of Leader190
Three-Pole Trip Circuit Breakers191
Two-Circuit-Breaker Three-Pole Reclose Initial Settings192
Two-Circuit-Breaker Single-Pole Reclose Initial Settings192
Auto-Reclosing.............................................................................................................................................r192
Circuit Breaker BK1 Modes of Operation193
Circuit Breaker BK2 Modes of Operation193
Trip Logic Enable Options194
Auto-Reclose Logic Diagrams195
Circuit Breaker Pole-Open Logic Diagram195
Line-Open Logic Diagram When E79 := y196
Line-Open Logic Diagram When E79 := Y1196
Single-Pole Reclose Enable197
Three-Pole Reclose Enable197
One Circuit Breaker Single-Pole Cycle State (79CY1)198
One Circuit Breaker Three-Pole Cycle State (79CY3)199
Two Circuit Breakers Single-Pole Cycle State (79CY1) When E79 := y200
Two Circuit Breakers Single-Pole Cycle State (79CY1) When E79 := Y1202
Two Circuit Breakers Three-Pole Cycle State (79CY3) When E79 := y204
Two Circuit Breakers Three-Pole Cycle State (79CY3) When E79 := Y1207
Manual Closing209
If a Manual Close Is Successfully Issued for Breaker BK1209
If Breaker BK1 Closes Successfully210
If Breaker BK1 Does Not Close Successfully210
Manual Close Logic211
Voltage Checks for Auto-Reclosing and Manual Closing212
Live Line/Live Bus212
Supervising Auto-Reclosing213
Supervising Manual Closing213
Voltage Check Element Applications213
Voltage Check Element Logic214
Auto-Reclose Logic Settings214
Auto-Reclose Logic Relay Word Bits216
Synchronism Check218
Generalized System218
Paralleled and Asynchronous Systems219
Voltage Angle Difference Estimate219
Partial Breaker-And-A-Half or Partial Ring-Bus Breaker Arrangement219
Single-Phase Voltage Inputs220
Voltage Angle Difference in a Paralleled System220
Synchronism-Check Voltages for Two Circuit Breakers220
Synchronism-Check Logic Outputs221
Synchronism-Check Settings221
Synchronism-Check Relay Word Bits222
Supervising Auto-Reclosing of Circuit Breaker BK1223
PT Connections223
Manual Closing of Circuit Breaker BK1223
Voltage Magnitude and Angle Compensation224
Synchronism-Check Voltage Reference225
Normalized Synchronism225
Voltage Checks and Blocking Logic226
Voltage Magnitude Checks226
Normalized Synchronism-Check Voltage Sources VS1 and VS2226
Block Synchronism Check227
Synchronism-Check Enable Logic227
Healthy Voltage Window and Indication227
Angle Difference Settings ANG1BK1 and ANG2BK1228
Synchronism-Check Element Outputs 25W1BK1 and 25A1BK1228
“No Slip” Synchronism Check228
Slip Frequency and SFZBK1229
Synchronism-Check Element Output Effects229
Positive Slip Frequency230
Negative Slip Frequency231
“No-Slip” Condition231
Selogic Control Equation Programming237
Selogic Control Equation History237
Separation of Protection and Automation Areas238
Protection and Automation Separation239
Fixed Selogic Control Equations240
Assignment Statements241
Comments242
Control Equation Setting Structure242
Protection243
Control Equation Programming Areas243
Multiple Setting Groups244
Automation244
Outputs244
Setting Groups: Application Ideas245
Active Setting Group Indication245
Active Setting Group Selection245
Active Setting Group Changes246
Active Setting: Nonvolatile State246
Power Loss246
Settings Change246
Control Equation Capacity247
Control Equation Elements248
Relay Word Bits and Analog Quantities248
Special Condition Bits248
Control Equation Variables249
First Execution Bit Operation on Power-Up249
First Execution Bit Operation on Automation Settings Change249
Control Equation Variable Quantities249
Control Equation Math Variable Quantities250
Control Equation Math Variables250
Latch Bits251
Latch Bit Quantities251
Latch Bit Parameters251
Protection Latch Bits251
EXAMPLE 3.6 Protection Latch Bits252
Conditioning Timers253
Automation Latch Bits253
Conditioning Timer Quantities253
Conditioning Timer Parameters253
Conditioning Timer with Pickup and no Dropout Timing Diagram254
Conditioning Timer with Pickup Not Satisfied Timing Diagram254
Conditioning Timer with Dropout and no Pickup Timing Diagram255
Conditioning Timer with Pickup and Dropout Timing Diagram255
Sequencing Timers256
EXAMPLE 3.7 Conditioning Timer Programming and Operation256
Sequencing Timer Quantities257
Sequencing Timer Parameters257
Sequencing Timer Timing Diagram257
Counters258
Automation Sequencing Timer Programming258
Counter Quantities259
Counter Parameters259
Counter Programming259
Aliases260
Assigning and Removing Aliases260
Control Equation Operators261
Operator Precedence261
Boolean Operators261
Operator Precedence from Highest to Lowest261
Parentheses262
Boolean Operator Summary262
Parentheses Operation in Boolean Equation262
Not263
And263
Or263
R_Trig263
F_Trig264
R_TRIG Timing Diagram264
F_TRIG Timing Diagram264
Comparison265
Math Operators265
Comparison Operations265
Math Operator Summary265
Math Error Detection266
EXAMPLE 3.13 Using Parentheses in Math Equations266
Math Error Examples266
Arithmetic266
Using Arithmetic Operations267
Sqrt267
Using the SQRT Operator267
LN, EXP, and LOG268
Using the LN, EXP, and LOG Operators268
Using the sin and COS Operators268
ASIN and ACOS269
Using the ASIN and ACOS Operators269
Using the ABS Operator269
Using the CEIL Operator269
Effective Programming270
Using the FLOOR Operator270
Using the Negation Operator270
Planning and Documentation270
Testing271
SEL-311 and SEL-351 Series Users272
Converting SEL-311273
Converting SEL-311 Series Relay Latch Bits274
Communications Interfaces275
Communications Protocols275
Serial Communication276
Eia-232276
SEL-421 3U Chassis Front-Panel Layout276
EIA-232 Communications Cables277
SEL-421 3U Rear-Panel Layout277
EIA-232 Connector Pin Numbers277
EIA-232 Pin Assignments277
Communications Interfaces ..........................................................................................................................R277
Communications Card278
Fiber-Optic Interface278
Eia-485278
Ethernet Card278
Network Configuration279
Ethernet Card Network Configuration Settings279
DEFRTR Address Setting Examples280
Network Port Fail-Over Operation280
Network Address Resolution281
Data Access Settings281
IP Network Address Resolution Settings281
Ftp281
File Structure282
Basic File Structure282
Access Control283
Telnet283
Ethernet Card FTP Settings283
Ethernet Card Commands284
Ethernet Card Telnet Settings284
Using Commands284
Command Summary285
Control Characters285
Access Levels285
Ethernet Card Access Levels285
2Access286
Access Level User Names and Passwords286
Access287
Date287
Dnpmap287
Goose288
Help290
ID290
ID Command Internal Parameters Displayed290
Memory291
Ping291
Quit291
Status292
Time292
Table 4.18 Communications Card Database Regions293
SEL-421 Communications Card Database Structure293
Data Region METER Map300
SEL Communications Protocols301
Serial Port Hardware Protocol301
Hardware Handshaking301
Software Protocol Selections302
Data Frame302
Supported Serial Command Sets302
Protocol Active When Setting PROTO := SEL303
Virtual Serial Ports303
SEL ASCII Commands303
SEL Compressed ASCII Commands304
Selected ASCII Control Characters304
Compressed ASCII Message Format305
Compressed ASCII Commands305
Interleaved ASCII and Binary Messages307
Software Flow Control307
Automatic Messages308
Timeout308
Fast Commands and Response Descriptions309
Fast Operate Command Types309
Virtual File Interface311
System Data Format311
Comma-Delimited Text Rules311
Root Directory312
Settings Directory312
Reports Directory313
Events Directory313
Settings Directory Files313
Ethernet Card Subdirectory314
EVENTS Directory Files (for Event 10001)314
CARD Subdirectory314
SEL Mirrored Bits Communications315
Mb8316
Message Transmission316
Message Reception Overview317
Message Decoding and Integrity Checks317
Channel Synchronization318
Loopback Testing318
Channel Monitoring318
Protocol for the Pulsar 9600-BPS Modem318
SEL Distributed Port Switch Protocol (LMD)321
Initialization321
SEL-2885 Initialization String [MODE PREFIX ADDR:SPEED]322
SEL-2600A RTD Module Operation323
Operational Overview323
SEL-2600A RTD Module and the SEL-421323
RTD Status Bits323
MET T Command Response324
MET T Command Response for Status Problem324
MET T Command Status Messages324
DNP3 Communications325
Introduction to DNP3325
DNP3 Specifications325
Data Handling326
Objects326
DNP3 Implementation Levels326
Access Methods327
Function Codes327
Qualifier Codes and Ranges327
Selected DNP3 Function Codes327
Binary Control Operations328
Conformance Testing328
Data Link Layer Operation328
DNP Access Methods328
DNP3 in the SEL-421329
Network Medium Contention329
Data Access329
DNP Access Methods (Sheet 1 of 2)329
Collision Avoidance330
Transmission Control330
Event Data330
Binary Controls331
SEL-421 Event Buffer Capacity331
Time Synchronization332
Modem Support332
DNP3 Settings332
SEL-421 Port DNP Protocol Settings333
Configurable Data Mapping334
SEL-421 DNP Map Settings334
Warm Start and Cold Start335
DNP3 Documentation336
Device Profile336
SEL-421 DNP3 Device Profile336
Object List337
SEL-421 DNP Object List337
Default Data Map340
SEL-421 DNP3 Default Data Map341
SEL-421 Object 1, 2 Relay Word Bit Mapping345
Object 1, 2 Indices 1600—1615 Front-Panel Targets347
Reading Relay Event Data348
Control Point Operation348
Object 30, 32, Index 176 Upper Byte—Event Cause348
Object 30, I32, Index 176 Lower Byte—Fault Type348
SEL-421 Object 12 Trip/Close Pair Operation349
SEL-421 Object 12 Code Selection Operation350
Application Example351
DNP Application Network Diagram351
DNP3 Application Example Data Map351
SEL-421 Example DNP Map Settings354
SEL-421 Port 3 Example Settings354
Dnp Lan/Wan356
DNP LAN/WAN in the SEL-421356
DNP LAN/WAN Access Methods357
SEL-421 Ethernet Port DNP3 Protocol Settings359
Custom Data Mapping362
SEL-421 DNP LAN/WAN Map Settings362
Binary Inputs363
Analog Inputs364
Binary Outputs364
Analog Outputs364
DNP Map Command364
DNP LAN/WAN Documentation365
SEL-421 DNP LAN/WAN Device Profile365
SEL-421 DNP3 Object List366
SEL-421 DNP LAN/WAN Object 12 Control Point Operation372
DNP LAN/WAN Application Example373
DNP LAN/WAN Application Example Ethernet Network373
DNP LAN/WAN Application Example Custom Data Map374
DNP LAN/WAN Application Example Protocol Settings374
Application Example Binary Input Map376
Application Example Binary Output Map376
Application Example Analog Input Map376
DNP LAN/WAN Application Example Analog Output Map377
Synchrophasors379
Real-Time Control380
Real-Time Control Application381
Remote Relay Global Settings382
Local Relay Global Settings383
Remote Relay Port Settings383
Local Relay Port Settings383
Synchrophasor Measurement384
Example COM RTC Command Response384
High Accuracy Clock Controls Reference Signal (60 Hz System)384
Waveform at Relay Terminals May Have a Phase Shift385
Correction of Measured Phase Angle385
Settings for Synchrophasors387
Accuracy387
PMU Settings in the SEL-421 for C37.118 Protocol in Global Setting388
Time and Date Management389
SEL-421 Serial Port Settings for Synchrophasors389
SEL-421 Ethernet Port Settings for Synchrophasors390
Descriptions of Synchrophasor Settings390
Mfrmt390
Mrate390
Phcomp391
PMSTN and PMID391
PHDATAV and VCOMP391
PHDATAI, PHCURR, IWCOMP, and IXCOMP391
Synchrophasor Order in Data Stream (Voltages and Currents)392
Phnr393
Phfmt393
Fnr393
Numana394
Numdsw394
User-Defined Analog Values Selected by the NUMANA Setting394
TREA1, TREA2, TREA3, TREA4, and PMTRIG395
User-Defined Digital Status Words Selected by the NUMDSW Setting395
PM Trigger Reason Bits—Ieee C37.118 Assignments395
Mrtcdly396
Rtcrate396
Pmumode396
Rtcid396
Synchrophasor Relay Word Bits397
Synchrophasor Trigger Relay Word Bits397
Time Synchronization Relay Word Bits397
Synchrophasor Client Status Bits397
Synchrophasor Analog Quantities398
Remote Synchrophasor Data Bits398
Synchrophasor Aligned Analog Quantities400
View Synchrophasors by Using the MET PM Command402
C37.118 Synchrophasor Protocol403
Sample MET PM Command Response403
Settings Affect Message Contents404
Communications Bandwidth404
Size of a C37.118 Synchrophasor Message404
Serial Port Bandwidth for Synchrophasors (in Bytes)405
Protocol Operation405
Transmit Mode Control405
PMU Setting Example406
Independent Ports406
Determining Settings407
Example Synchrophasor Global Settings407
Example Synchrophasor Protection Free-Form Logic Settings408
Example Synchrophasor Port Settings408
SEL Fast Message Synchrophasor Protocol409
SEL-421 Fast Message Synchrophasorsettings410
Descriptions of Fast Message Synchrophasor Settings411
Pmid411
PHDATAV, PHDATAI, and PHCURR411
Other Settings Not Present412
Upgrading Previous SEL-421 Synchrophasor Settings412
Size of an SEL Fast Message Synchrophasor Message413
Synchrophasor Protocols and SEL Fast Operate Commands415
IEC 61850 Communications417
Introduction to IEC 61850418
IEC 61850 Document Set418
IEC 61850 Operation419
Ethernet Networking419
Object Models419
Data Mapping420
Mms420
Example IEC 61850 Descriptor Components420
SEL-421 Logical Devices420
File Services421
SCL Files421
Reports421
SEL-421 Predefined Reports422
Buffered Report Control Block Client Access422
Unbuffered Report Control Block Client Access423
Datasets424
SEL-421 Datasets424
Time Stamps and Quality425
GOOSE Quality425
GOOSE Processing426
GOOSE Performance427
IEC 61850 Configuration428
IEC 61850 Settings428
SEL ICD File Versions428
CID File Conversion429
ICD Logical Nodes Summary430
Logical Nodes432
Logical Device: PRO (Protection)432
Logical Device: MET (Metering)436
Logical Device: con (Remote Control)437
Logical Device: ANN (Annunciation)438
Protocol Implementation Conformance Statement: SEL-400 Series Devices447
PICS for A-Profile Support447
PICS for T-Profile Support447
MMS Conformance447
MMS Parameter CBB450
Alternateaccessselection Conformance Statement450
Variableaccessspecification Conformance Statement450
Variablespecification Conformance Statement451
Read Conformance Statement451
Getvariableaccessattributes Conformance Statement451
Definenamedvariablelist Conformance Statement451
Getnamedvariablelistattributes Conformance Statement452
Deletenamedvariablelist Conformance Statement452
GOOSE Conformance452
ACSI Conformance Statements453
ACSI Basic Conformance Statement453
ACSI Models Conformance Statement453
ACSI Services Conformance Statement454
ASCII Command Reference459
Description of Commands460
Aaccess460
Bname460
Breaker460
BRE N461
BRE N C and BRE N R461
BRE C a and BRE R a461
BRE N H461
Cal462
Cascii462
Cbreaker462
Cbr462
Cevent463
Cbr Terse463
Cev463
Cev Ack463
Cev C464
Cev L464
CEV Lyyy464
Cev Next464
Cev Nset465
CEV N Command465
CEV NSET Command465
CEV NSUM Command465
Cev Terse466
CEV Command Option Combinations466
CEV Command Option Groups466
Chi Terse467
CLOSE N467
Communications468
COM C468
COM C C and COM C R468
COM C L M N and COM C L Date1 Date2469
COM C L Command469
Com Rtc470
COM RTC C C and COM RTC C R470
CONTROL Nn470
Copy471
Cser471
Cse471
CSE Command472
CSE TERSE Command472
Cstatus473
Csummary473
Csu473
Csu Ack474
Csu Mb474
Csu Next474
Csu Terse474
Dname X475
Dnp475
Event475
Eve a476
Eve Ack476
Eve C476
Eve D477
Eve L477
EVE Lyyy477
Eve Next478
Eve Nset478
Eve Nsum478
EVE Sx478
EVE Command Option Combinations479
EVE Command Option Groups479
EVE Command Examples479
Group480
His481
HIS C and HIS R481
HIS CA and HIS RA481
HIS CA and HIS RA Commands482
ID Command482
Irig483
Loopback483
Loop484
Loop Data484
Loop R485
Map485
LOOP DATA Command485
MAP 1 Region and MAP 1 Region BL485
Meter486
MAP 1 Region Command486
MET Command486
Met Amv487
Met Ana487
Met Bat487
Met D488
Met E488
Met M488
Met Pm489
MET M Command489
Met Pmv490
Met Rms490
Met Rtc491
Met Syn491
Met T491
Oaccess492
OPEN N492
Paccess493
Password493
PAS Level New_Password493
PAS Level DISABLE493
Port494
PORT KILL N494
Pulse495
Rtc495
Ser496
SER C and SER R496
SER CA and SER RA497
SER CV and SER RV497
Ser D497
SET Command Overview498
Set a498
SET D Command499
SET F Command499
Set L500
Set M500
Set O500
Set P501
Set R501
Set T501
Set Terse501
Show502
SET TERSE Command Examples502
SHO Command Overview502
Sho a503
Sho D503
Sho F503
Sho G503
Sho L504
Sho M504
Sho O504
Sns505
Sho P505
Sho R505
Sho T505
Sta506
Sta a506
STA C and STA R506
Sta S507
STA SC and STA SR507
Sum507
Sum Ack507
Target508
Sum Next508
Tar508
Tec509
Tar All509
Tar R509
Tar X509
Test Db510
Test Db off511
Test Dnp511
Test Fm512
DNP Status Bytes512
Test Dnp off512
Test Fm dem513
Test Fm off513
Fast Meter Status Byte513
Test Fm Peak514
Time Q514
Trigger515
Version515
View516
Sample VER Command Response516
VIEW 1 Commands—Region517
VIEW 1 Commands—Register Item517
VIEW 1 Commands—Bit517
Alias Settings521
Global Settings522
Global Settings Categories522
Global Enables523
Station DC1 Monitor (and Station DC2 Monitor523
Control Inputs524
Main Board Control Inputs524
Interface Board #1 Control Inputs525
Interface Board #2 Control Inputs525
Settings Group Selection526
Data Reset Control526
Synchronized Phasor Measurement527
Breaker Monitor Settings529
Breaker Monitor Settings Categories529
Breaker Configuration529
Breaker 1 Inputs530
Breaker 2 Inputs530
Breaker 1 Monitor (and Breaker 2 Monitor530
Breaker 1 Contact Wear531
Breaker 1 Electrical Operating Time531
Breaker 1 Mechanical Operating Time531
Breaker 1 Inactivity Time Elapsed531
Group Settings532
Breaker 1 Motor Running Time532
Breaker 1 Current Interrupted532
Line Configuration533
Relay Configuration534
Mho Phase Distance Element Reach534
Series Compensation535
Mho Phase Distance Element Time Delay535
Mho Ground Distance Element Reach535
Quad Ground Distance Element Reach536
Zero-Sequence Compensation Factor537
Ground Distance Element Time Delay537
Distance Element Common Time Delay537
Switch-Onto-Fault Scheme538
Out-Of-Step Tripping/Blocking538
Load Encroachment539
Phase Instantaneous Overcurrent Pickup540
Phase Definite-Time Overcurrent Time Delay540
Phase Instantaneous Definite-Time Overcurrent Torque Control540
Residual Ground Instantaneous Overcurrent Pickup540
Residual Ground Definite-Time Overcurrent Time Delay541
Negative-Sequence Instantaneous Overcurrent Pickup541
Negative-Sequence Definite-Time Overcurrent Time Delay542
Zone/Level Direction544
Directional Control Element544
Pole Open Detection544
POTT Trip Scheme545
DCUB Trip Scheme545
DCB Trip Scheme546
Breaker 1 Failure Logic (and Breaker 2 Failure Logic546
Synchronism Check Element Reference547
Breaker 1 Synchronism Check547
Breaker 2 Synchronism Check548
Recloser and Manual Closing548
Single-Pole Reclose Settings549
Three-Pole Reclose Settings550
Voltage Elements551
Demand Metering551
Protection Free-Form SEL Control Equations552
Automation Free-Form SEL Control Equations553
Output Settings553
Output Settings Categories553
Main Board553
Interface Board #1554
Interface Board #2554
Communications Card Outputs554
Front-Panel Settings555
Mirrored Bits Transmit Equations555
Front-Panel Settings Categories555
Front Panel Settings555
Selectable Screens for the Front Panel560
Selectable Operator Pushbuttons561
Front-Panel Event Display561
Boolean Display Points561
Analog Display Points562
Local Control and Aliases562
Local Bit SEL562
Report Settings Categories562
SER Chatter Criteria563
SER Points and Aliases563
Event Reporting563
Port Settings564
Event Reporting Digital Elements564
Port Settings Categories564
Protocol Selection564
SEL Protocol Settings565
DNP3 Serial Port Protocol Settings565
RTD Protocol Settings567
PMU Protocol Settings567
DNP3 Settings—Serial Port568
DNP3 Settings Categories568
DNP Reference Map Selection568
Binary Input Map568
Relay Word Bits571
Alphabetic571
Alphabetic List of Relay Word Bits571
Alphabetic............................................................................................................................................573
Row List592
A.2 Relay Word Bits: Enable and Target Leds592
A.3 Relay Word Bits: Distance Elements592
A.4 Relay Word Bits: Series Compensated Line Logic595
A.5 Relay Word Bits: Out-Of-Step Elements595
A.6 Relay Word Bits: Directional Elements596
A.7 Relay Word Bits: Overcurrent Elements597
A.8 Relay Word Bits: Synchronism-Check Elements598
Relay Word Bits: Reclosing Elements599
Relay Word Bits: Miscellaneous Elements601
Relay Word Bits: Trip Logic Elements601
Relay Word Bits: Pilot Tripping Elements603
Relay Word Bits: Circuit Breaker 1 Failure604
Relay Word Bits: Circuit Breaker 2 Failure Elements606
Relay Word Bits: Circuit Breaker Status and Open Phase607
Relay Word Bits: Circuit Breaker Monitor608
Relay Word Bits: RTD Status609
Relay Word Bits: DC Supply Monitor610
Relay Word Bits: Metering Elements610
Relay Word Bits: Open and Close Command610
Relay Word Bits: Local Bits611
Relay Word Bits: Remote Bits612
Relay Word Bits: Active Protection Settings Group612
Relay Word Bits: Input Elements613
Relay Word Bits: Protection Variables614
Relay Word Bits: Protection Latches616
Relay Word Bits: Protection Conditioning Timers617
Relay Word Bits: Protection Sequencing Timers618
Relay Word Bits: Protection Counters619
Relay Word Bits: Automation Latches627
Relay Word Bits: Automation Sequencing Timers628
Relay Word Bits: Automation Counters630
Relay Word Bits: Relay Alarms633
Relay Word Bits: Time Synchronization633
Relay Word Bits: Output Elements633
Relay Word Bits: Pushbutton Elements634
Relay Word Bits: Data Reset Bits635
Relay Word Bits: Target Logic Bits636
Relay Word Bits: Test Bits637
Relay Word Bits: Communications Card Input Points638
Relay Word Bits: Communications Card Status Points642
Relay Word Bits: Fast SER Enable Bits643
Relay Word Bits: Source Selection Elements643
Relay Word Bits: High-Speed Distance Elements643
Synchrophasor Trigger SEL644
Time and Synchronization Control Bits645
Pushbuttons, Pushbutton Leds, and Target Leds for New HMI647
Relay Word Bits: Local Bit Supervision and Status648
RTC Remote Digital Status649
Fast Operate Transmit Bits650
Analog Quantities655
Quantities Listed Alphabetically655
Quantities Listed by Function662
Analog Quantities Sorted by Function662
Glossary669
Index691
SEL-421 Relay Command Summary701
SET/SHOW Command Options702

Sel SEL-421 - Permissive Trip Receiver Logic Diagram

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