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F.2 ABBREVIATIONS
APPENDIX F
SIR ................. Source Impedance Ratio
SNTP.............. Simple Network Time Protocol
SRC................ Source
SSB ................ Single Side Band
SSEL .............. Session Selector
STATS ............ Statistics
SUPN ............. Supervision
SUPV ............. Supervise / Supervision
SV .................. Supervision, Service
SYNC ............. Synchrocheck
SYNCHCHK ... Synchrocheck
T ..................... Time, transformer
TC .................. Thermal Capacity
TCP ................ Transmission Control Protocol
TCU................ Thermal Capacity Used
TD MULT ........ Time Dial Multiplier
TEMP ............. Temperature
TFTP .............. Trivial File Transfer Protocol
THD................ Total Harmonic Distortion
TMR ............... Timer
TOC................ Time Overcurrent
TOV ................ Time Overvoltage
TRANS ........... Transient
TRANSF......... Transfer
TSEL .............. Transport Selector
TUC................ Time Undercurrent
TUV ................ Time Undervoltage
TX (Tx) ........... Transmit, Transmitter
U..................... Under
UC .................. Undercurrent
UCA................ Utility Communications Architecture
UDP................ User Datagram Protocol
UL................... Underwriters Laboratories
UNBAL ........... Unbalance
UR .................. Universal Relay
URC ............... Universal Recloser Control
.URS............... Filename extension for settings files
UV .................. Undervoltage
V/Hz ............... Volts per Hertz
V_0................. Zero Sequence voltage
F
V_1................. Positive Sequence voltage
V_2................. Negative Sequence voltage
VA................... Phase A voltage
VAB ................ Phase A to B voltage
VAG ................ Phase A to Ground voltage
VARH ............. Var-hour voltage
VB .................. Phase B voltage
VBA ................ Phase B to A voltage
VBG................ Phase B to Ground voltage
VC .................. Phase C voltage
VCA................ Phase C to A voltage
VCG ............... Phase C to Ground voltage
VF................... Variable Frequency
VIBR............... Vibration
VT................... Voltage Transformer
VTFF .............. Voltage Transformer Fuse Failure
VTLOS ........... Voltage Transformer Loss Of Signal
WDG .............. Winding
WH ................. Watt-hour
w/ opt.............. With Option
WRT ............... With Respect To
X..................... Reactance
XDUCER ........ Transducer
XFMR ............. Transformer
Z ..................... Impedance, Zone
F-8
L90 Line Current Differential System
GE Multilin
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