GE 745 Instruction Manual page 310

INDEX
vi
O
ONLOAD TAP CHANGER
OPERATING TIME
............................................................................................. 7-18
ORDER CODES
.................................................................................................... 2-3
OUTPUT RELAYS
commissioning
........................................................................................... 7-7, 7-8
default FlexLogic™
........................................................................................ 5-103
description
....................................................................................................... 3-16
setpoints
............................................................................................. 5-102, 5-107
specifications
.................................................................................................... 2-9
typical wiring
................................................................................................... 3-16
OVERCURRENT
ground instantaneous
..................................................................................... 5-71
ground time
..................................................................................................... 5-70
negative sequence instantaneous
negative sequence time
neutral instantaneous
..................................................................................... 5-68
neutral time
..................................................................................................... 5-66
phase
............................................................................................................... 5-58
OVERCURRENT CURVES
definite time
.................................................................................................... 5-59
FlexCurves™
.................................................................................................... 5-59
IEEE
.................................................................................................................. 5-60
OVEREXCITATION
5th harmonic level
........................................................................................... 5-84
description
....................................................................................................... 5-83
setpoints
.......................................................................................................... 5-84
specifications
.................................................................................................... 2-8
volts-per-hertz
................................................................................................. 5-85
OVERFREQUENCY
setpoints
.......................................................................................................... 5-82
specifications
.................................................................................................... 2-8
testing
............................................................................................................. 7-47
OVERVIEW
.......................................................................................................... 2-1
P
PANEL CUTOUT
.................................................................................................. 3-2
PASSCODE
changing
......................................................................................... 1-9, 1-10, 1-11
security
.................................................................................................... 1-9, 1-10
setpoints
.......................................................................................................... 5-25
PERCENT DIFFERENTIAL
dual-slope characteristic
harmonic restrained
........................................................................................ 7-16
operating principle
.......................................................................................... 5-49
setpoints
.......................................................................................................... 5-49
specifications
.................................................................................................... 2-6
zones of protection
......................................................................................... 5-74
PHASE A INDICATOR
......................................................................................... 4-3
PHASE ANGLE CORRECTION
PHASE B INDICATOR
......................................................................................... 4-3
PHASE C INDICATOR
......................................................................................... 4-3
PHASE INSTANTANEOUS OVERCURRENT
setpoints
.......................................................................................................... 5-65
.................................................................................. 5-37
.................................................................. 5-77
.................................................................................. 5-76
................................................................................ 5-50
.......................................................................... 5-10
745 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER B: INDEX