GE UR Series Instruction Manual page 466

Line differential relay
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CT/VT ...................................................................... 3-8, 5-6
insertion .......................................................................... 3-4
order codes ..................................................................... 2-6
ordering ........................................................................... 2-6
power supply ................................................................... 3-7
transducer I/O ............................................................... 3-16
VT ................................................................................... 3-9
withdrawal ....................................................................... 3-4
MONITORING ELEMENTS ............................................. 5-142
MOUNTING ........................................................................ 3-1
N
NAMEPLATE ...................................................................... 1-1
NEGATIVE SEQUENCE IOC
commissioning ............................................................. 10-23
logic ............................................................................ 5-102
Modbus registers ........................................................... B-27
settings ....................................................................... 5-102
specifications ................................................................. 2-14
NEGATIVE SEQUENCE TOC
commissioning ............................................................. 10-23
logic ............................................................................ 5-101
Modbus registers ........................................................... B-27
settings ....................................................................... 5-101
specifications ................................................................. 2-14
NEUTRAL DIRECTIONAL OVERCURRENT
commissioning ............................................................. 10-24
logic .............................................................................. 5-98
Modbus registers ........................................................... B-30
polarization .................................................................... 5-96
settings ......................................................................... 5-94
specifications ................................................................. 2-14
NEUTRAL INSTANTANEOUS OVERCURRENT
see entry for NEUTRAL IOC
NEUTRAL IOC .................................................................B-24
commissioning ............................................................. 10-23
logic .............................................................................. 5-93
settings ......................................................................... 5-93
specifications ................................................................. 2-14
NEUTRAL OVERVOLTAGE
commissioning ............................................................. 10-25
logic ............................................................................ 5-115
Modbus registers ........................................................... B-45
settings ....................................................................... 5-115
specifications ................................................................. 2-15
NEUTRAL TIME OVERCURRENT
see entry for NEUTRAL TOC
NEUTRAL TOC
commissioning ............................................................. 10-22
logic .............................................................................. 5-92
Modbus registers ........................................................... B-24
settings ......................................................................... 5-92
specifications ................................................................. 2-14
O
ONE SHOTS .................................................................... 5-42
OPEN BREAKER ECHO
commissioning ............................................................. 10-30
OPEN POLE DETECTOR
commissioning ............................................................. 10-26
logic ............................................................................ 5-122
Modbus registers ........................................................... B-26
settings ....................................................................... 5-120
vi
INDEX
OPERATING CONDITION CALCULATIONS .......................8-18
OPERATING TEMPERATURE ...........................................2-19
OPERATING TIMES .........................................................2-13
ORDER CODES ................................................. 2-5, 6-22, 7-2
ORDER CODES, UPDATING ............................................. 7-2
ORDERING ..........................................................2-4, 2-5, 2-6
OSCILLATORY TRANSIENT TESTING ..............................2-20
OSCILLOGRAPHY
actual values ..................................................................6-20
clearing ........................................................................... 7-1
commissioning ...............................................................10-1
description .....................................................................2-10
Modbus ........................................................................... B-7
Modbus registers .................................................. B-15, B-19
settings ..........................................................................5-16
specifications .................................................................2-16
with URPC ...................................................................... 4-2
OST ........................................................................ 2-15, 5-73
OUT-OF-STEP TRIPPING ........................................ 2-15, 5-73
OUTPUTS
contact outputs .......................................... 3-11, 3-13, 5-154
control power .................................................................2-18
critical failure relay .........................................................2-18
direct outputs ............................................................... 5-159
Fast Form-C relay ..........................................................2-18
Form-A relay ....................................... 2-18, 3-10, 3-11, 3-15
Form-C relay ................................................ 2-18, 3-10, 3-15
remote outputs .................................................. 5-157, 5-158
virtual outputs .............................................................. 5-155
OVERCURRENT CURVE TYPES ......................................5-81
OVERCURRENT CURVES
definite time ...................................................................5-85
FlexCurves™ .................................................................5-85
I2T .................................................................................5-85
IAC ................................................................................5-84
IEC ................................................................................5-83
IEEE ..............................................................................5-82
OVERVIEW ....................................................................... 2-2
OVERVOLTAGE
auxiliary .............................................................. 2-15, 5-117
neutral ................................................................ 2-15, 5-115
phase ................................................................. 2-15, 5-114
P
PANEL CUTOUT ............................................................... 3-1
PASSWORD SECURITY ............................................ 5-7, 10-1
PASSWORDS
changing ........................................................................4-13
lost password .......................................................... 4-14, 5-7
Modbus ........................................................................... B-8
Modbus registers ........................................................... B-17
overview ........................................................................1-10
security ........................................................................... 5-7
settings ........................................................................... 5-7
PC SOFTWARE
see entry for URPC
PERMISSIVE FUNCTIONS .............................................. 5-112
PERMISSIVE OVERREACH TRANSFER TRIP
see entry for POTT
PER-UNIT QUANTITY ........................................................ 5-3
PFLL STATUS ................................................................... 6-7
PHASE .............................................................................2-15
PHASE ANGLE METERING ............................................... 6-9
PHASE CURRENT METERING .........................................6-12
PHASE DETECTION .......................................................... 8-7
L90 Line Differential Relay
GE Power Management

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