GE D90 Plus Instruction Manual page 596

Auxiliary overvoltage
description ............................................................................................ 232
logic .......................................................................................................... 233
operands ................................................................................................ 360
settings ................................................................................................... 232
specifications ..........................................................................................25
Auxiliary undervoltage
description ............................................................................................ 230
logic .......................................................................................................... 232
operands ................................................................................................ 360
settings ................................................................................................... 231
specifications ..........................................................................................25
B
Backup
........................................................................................................ 579
Battery monitor
description ............................................................................................ 439
indications ............................................................................................. 439
logic .......................................................................................................... 442
operands ................................................................................................ 444
settings ................................................................................................... 440
specifications ..........................................................................................37
wiring ....................................................................................................... 440
Breaker arcing current
logic .......................................................................................................... 438
measurement ...................................................................................... 436
operands ................................................................................................ 445
settings ................................................................................................... 437
specifications ..........................................................................................37
Breaker configuration
description ............................................................................................ 316
logic .......................................................................................................... 319
operands ................................................................................................ 360
settings ................................................................................................... 316
Breaker control
description ............................................................................................ 375
logic .......................................................................................................... 377
operands ................................................................................................ 431
settings ................................................................................................... 375
specifications ..........................................................................................37
Breaker failure
determination ...................................................................................... 235
initiation stage .................................................................................... 234
logic .......................................................................................................... 240
operands ................................................................................................ 361
overview ..........................................................................................20, 233
settings ................................................................................................... 236
specifications ..........................................................................................26
Breaker flashover
description ............................................................................................ 323
logic .......................................................................................................... 325
operands ................................................................................................ 361
settings ................................................................................................... 324
six VT application ............................................................................... 327
specifications ..........................................................................................26
three VT application ......................................................................... 327
588
Breaker interlocking
description .............................................................................................378
logic ..........................................................................................................380
operands ................................................................................................431
settings ....................................................................................................378
specifications ..........................................................................................37
C
Cautions ........................................................................................................... 1
Certifications
...............................................................................................44
Communications
overview ............................................................................................ 24, 81
Contact inputs
connections .............................................................................................55
specifications .................................................................................. 26, 41
Contact outputs
connections .............................................................................................55
specifications ..........................................................................................41
Control
front panel display ................................................................................63
CT/VT channel configuration
Current cut-off level
.............................................................................140
Current inputs
settings ....................................................................................................139
Current metering
specifications ..........................................................................................38
D
Data logger
channel configuration ......................................................................498
operands ................................................................................................502
overview .................................................................................................496
settings ....................................................................................................496
specifications ..........................................................................................38
Dielectric strength
...................................................................................50
Digital counters
description .............................................................................................328
logic ..........................................................................................................330
operands ................................................................................................362
settings ....................................................................................................328
Digital fault recorder
description .............................................................................................447
front panel display ................................................................................64
overview ....................................................................................................23
Dimensions
..................................................................................................45
Directional comparison blocking
description .............................................................................................262
logic ..........................................................................................................266
operands ................................................................................................362
settings ....................................................................................................263
Directional comparison unblocking
description .............................................................................................267
logic ..........................................................................................................272
operands ................................................................................................362
settings ....................................................................................................267
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
INDEX
..........................................................146