GE L90 Instruction Manual page 739

APPENDIX F F.2 ABBREVIATIONS
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
NSAP ............. Network Service Access Protocol
NTR................ Neutral
O .................... Over
OC, O/C ......... Overcurrent
O/P, Op........... Output
OP .................. Operate
OPER ............. Operate
OPERATG...... Operating
O/S ................. Operating System
OSI ................. Open Systems Interconnect
OSB................ Out-of-Step Blocking
OUT................ Output
OV .................. Overvoltage
OVERFREQ ... Overfrequency
OVLD ............. Overload
P..................... Phase
PC .................. Phase Comparison, Personal Computer
PCNT ............. Percent
PF................... Power Factor (total 3-phase)
PF_A .............. Power Factor (phase A)
PF_B .............. Power Factor (phase B)
PF_C .............. Power Factor (phase C)
PFLL............... Phase and Frequency Lock Loop
PHS................ Phase
PICS............... Protocol Implementation & Conformance Statement
F
PKP ................ Pickup
PLC ................ Power Line Carrier
POS................ Positive
POTT.............. Permissive Over-reaching Transfer Trip
PRESS ........... Pressure
PRI ................. Primary
PROT ............. Protection
PSEL .............. Presentation Selector
pu ................... Per Unit
PUIB............... Pickup Current Block
PUIT ............... Pickup Current Trip
PUSHBTN ...... Pushbutton
PUTT.............. Permissive Under-reaching Transfer Trip
PWM .............. Pulse Width Modulated
PWR............... Power
QUAD............. Quadrilateral
R..................... Rate, Reverse
RCA................ Reach Characteristic Angle
REF ................ Reference
REM ............... Remote
REV................ Reverse
RI.................... Reclose Initiate
RIP ................. Reclose In Progress
RGT BLD........ Right Blinder
ROD ............... Remote Open Detector
RST ................ Reset
RSTR ............. Restrained
RTD................ Resistance Temperature Detector
RTU................ Remote Terminal Unit
RX (Rx) .......... Receive, Receiver
s ..................... second
S..................... Sensitive
SAT ................ CT Saturation
SBO................ Select Before Operate
SCADA........... Supervisory Control and Data Acquisition
GE Multilin L90 Line Current Differential System F-13