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Standard Abbreviations; Abbreviations; F.2.1 Abbreviations - GE UR Series Instruction Manual

Line differential relay.
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F.2 STANDARD ABBREVIATIONS
F.2 STANDARD ABBREVIATIONS
A..................... ampere
AC .................. alternating current
A/D ................. analog to digital
AE .................. accidental energization
AE .................. application entity
AMP ............... ampere
ANSI............... American National Standards Institute
AR .................. automatic reclosure
AUTO ............. automatic
AUX ................ auxiliary
AVG ................ average
BER................ bit error rate
BF................... breaker fail
BFI.................. breaker failure initiate
BKR................ breaker
BLK ................ block
BLKG.............. blocking
BPNT.............. breakpoint of a characteristic
CAP ................ capacitor
CC .................. coupling capacitor
CCVT ............. coupling capacitor voltage transformer
CFG................ configure / configurable
.CFG............... file name extension for oscillography files
CHK................ check
CHNL ............. channel
CLS ................ close
CLSD.............. closed
CMND ............ command
CMPRSN........ comparison
CO .................. contact output
COM............... communication
COMM ............ communications
COMP ............ compensated
CONN............. connection
CO-ORD......... coordination
CPU................ central processing unit
CRT, CRNT .... current
CT .................. current transformer
F
CVT ................ capacitive voltage transformer
D/A ................. digital to analog
DC (dc)........... direct current
DD .................. disturbance detector
DFLT .............. default
DGNST........... diagnostics
DI.................... digital input
DIFF ............... differential
DIR ................. directional
DISCREP ....... discrepancy
DIST ............... distance
DMD ............... demand
DPO ............... dropout
DSP ................ digital signal processor
DTT ................ direct transfer trip
DUTT.............. direct under-reaching transfer trip
EPRI............... Electric Power Research Institute
.EVT ............... file name extension for event recorder files
EXT ................ extension
F ..................... field
FAIL................ failure
FD .................. fault detector
FDH................ fault detector high-set
FDL ................ fault detector low-set
FLA................. full load current
FO .................. fiber optic
FREQ ............. frequency
FSK ................ frequency-shift keying
FWD ............... forward
G .................... generator
GE .................. General Electric
GND ............... ground
GNTR ............. generator
F-4
GOOSE.......... general object oriented substation event
HARM ............ harmonic / harmonics
HGF ............... high-impedance ground fault (CT)
HIZ ................. high-impedance & arcing ground
HMI ................ human-machine interface
HYB ............... hybrid
I ...................... instantaneous
I_0 .................. zero sequence current
I_1 .................. positive sequence current
I_2 .................. negative sequence current
IA ................... phase A current
IAB ................. phase A minus B current
IB ................... phase B current
IBC................. phase B minus C current
IC ................... phase C current
ICA ................. phase C minus A current
ID ................... identification
IEEE............... Institute of Electrical & Electronic Engineers
IG ................... ground (not residual) current
Igd .................. differential ground current
IN ................... CT residual current (3Io) or input
INC SEQ ........ incomplete sequence
INIT ................ initiate
INST............... instantaneous
INV ................. inverse
I/O .................. input/output
IOC ................ instantaneous overcurrent
IOV................. instantaneous overvoltage
IRIG ............... inter-range instrumentation group
IUV ................. instantaneous undervoltage
K0 .................. zero sequence current compensation
kA................... kiloAmpere
kV................... kiloVolt
LED ................ light emitting diode
LEO................ line end open
LOOP............. loopback
LPU ................ line pickup
LRA ................ locked-rotor current
LTC ................ load tap-changer
M .................... machine
mA ................. milliAmpere
MAN............... manual / manually
MMI ................ man machine interface
MMS .............. Manufacturing Message Specification
MSG............... message
MTA................ maximum torque angle
MTR ............... motor
MVA ............... MegaVolt-Ampere (total 3-phase)
MVA_A ........... MegaVolt-Ampere (phase A)
MVA_B ........... MegaVolt-Ampere (phase B)
MVA_C........... MegaVolt-Ampere (phase C)
MVAR............. MegaVar (total 3-phase)
MVAR_A ........ MegaVar (phase A)
MVAR_B ........ MegaVar (phase B)
MVAR_C ........ MegaVar (phase C)
MVARH .......... MegaVar-Hour
MW ................ MegaWatt (total 3-phase)
MW_A ............ MegaWatt (phase A)
MW_B ............ MegaWatt (phase B)
MW_C ............ MegaWatt (phase C)
MWH .............. MegaWatt-Hour
N .................... neutral
N/A, n/a.......... not applicable
NEG ............... negative
NMPLT ........... nameplate
NOM .............. nominal
NTR ............... neutral
O .................... over
OC, O/C ......... overcurrent
O/P, Op .......... output
OP.................. operate
L90 Line Differential Relay
APPENDIX F

F.2.1 ABBREVIATIONS

GE Power Management

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