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9.
Abbreviations
Abbreviation
Description
CAN
Controller area network
CB
Circuit-breaker
CT
Current transformer
DC
Direct current
EMC
Electromagnetic compatibility
GIS
Gas insulated switchgear
GPS
Global positioning system
HMI
Human-machine interface
IDMT
Inverse definite minimum time characteristic
LAG
Lon application guide
LCD
Liquid crystal display
LED
Light-emitting diode
LON
Local operating network
LV
Low voltage
MC
Micro controller
MV
Medium voltage
RMS
Root mean square
RTU
Remote terminal unit
SLD
Single-line diagram
SPA
Data communication protocol developed by ABB
ST
Straight-tip; a connector type for fibre optic cable
TCP
Transmission Control Protocol
VDEW
Association of German Electrical Utilities
VDN
Association of German Electrical Utilities
VT
Voltage transformer
Multifunction Protection and Switchbay Control
Unit
Technical Reference Manual
REF 542plus
REF 542plus
1MRS755859