Term Description
SPS Single Point Status
SQRT Square Root
STP Spanning Tree Protocol
SV Sampled Values
SVM Sampled Value Model
TAF Turbine Abnormal Frequency
TCP Transmission Control Protocol
TCS Trip Circuit Supervision
TD Time Dial. The time dial multiplier setting: Applied to inverse-time curves (ANSI/IEEE).
TE Unit for case measurements: One inch = 5TE units
THD Total Harmonic Distortion
TICS Technical Issues Conformance Statement
TIFF Tagged Image File Format – a file format for a computer graphic
TLS Transport Layer Security protocol
TMS Time Multiplier Setting: Applied to inverse-time curves (IEC)
TOC Trip On Close ("line check") protection. Offers SOTF and TOR functionality.
TOR Trip On Reclose protection. Modified protection on autoreclosure of the circuit breaker.
TP Two-Part
TUC Timed UnderCurrent
TVE Total Vector Error
Tx Transmit
UDP User Datagram Protocol
UPCT User Programmable Curve Tool
USB Universal Serial bus
UTC Universal Time Coordinated
V Voltage
VA Phase A voltage: Sometimes L1, or red phase
VB Phase B voltage: Sometimes L2, or yellow phase
VC Phase C voltage: Sometimes L3, or blue phase
VDR Voltage Dependant Resistor
VT Voltage Transformer
VTS Voltage Transformer Supervision: To detect VT input failure.
WAN Wide Area Network
XML Extensible Markup Language
XSD XML Schema Definition
ZS / ZL Source to Line Impedance Ratio
MiCOM P747 Appendix A - Symbols and Glossary
P747-TM-EN-1 413
To Next Page
Loading...
