GE D90 Plus Instruction Manual page 694

Test mode
force contact inputs ......................................................................... 617
force contact outputs ...................................................................... 618
overview ................................................................................................. 617
TFTP protocol
settings ......................................................................................................94
Time overcurrent curves
definite time curve ............................................................................ 232
FlexCurves ............................................................................................. 231
I2t curves ............................................................................................... 231
IAC curves .............................................................................................. 229
IEC curves .............................................................................................. 228
IEEE curves ............................................................................................ 227
overview ................................................................................................. 226
recloser curves .................................................................................... 232
Tracking frequency
operands ................................................................................................ 580
Transient recorder
analog channels ................................................................................. 518
description ............................................................................................ 512
digital channels .................................................................................. 517
front panel indications .................................................................... 514
logic .......................................................................................................... 516
overview ....................................................................................................24
settings ................................................................................................... 515
specifications ..........................................................................................41
Trip output
description ............................................................................................ 322
logic .......................................................................................................... 325
operands ................................................................................................ 426
settings ................................................................................................... 322
single-pole operation ....................................................................... 322
specifications ..........................................................................................36
three-pole operation ........................................................................ 322
Type tests .....................................................................................................46
Typical wiring
.............................................................................................49
U
Underfrequency
description ............................................................................................ 358
logic .......................................................................................................... 360
settings ................................................................................................... 359
specifications ..........................................................................................37
Uninstall files ........................................................................................... 672
Upgrade firmware
................................................................................ 671
Upgrade software
................................................................................ 670
USB port
specifications ..........................................................................................44
User-configurable operands
communications ........................................164, 413, 487, 502, 575
User-programmable self-tests
settings ................................................................................................... 142
V
Voltage cut-off level
............................................................................ 173
684
Voltage elements
..................................................................................262
Voltage inputs
settings ....................................................................................................172
Voltage metering
operands ................................................................................................579
specifications ..........................................................................................39
VT fuse failure
description .............................................................................................330
logic ..........................................................................................................331
operands ................................................................................................426
settings ....................................................................................................331
specifications ..........................................................................................37
W
Warnings
......................................................................................................... 1
Warranty
....................................................................................................675
Wattmetric zero-sequence directional
description .............................................................................................284
logic ..........................................................................................................288
settings ....................................................................................................284
specifications ..........................................................................................37
Wiring
..............................................................................................................49
Z
Zero-sequence CBCT
..............................................................................55
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
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