GCM Communication interface module with carrier of GPS
receiver module
GDE Graphical display editor within PCM600
GI General interrogation command
GIS Gas-insulated switchgear
GOOSE Generic object-oriented substation event
GPS Global positioning system
GSAL Generic security application
GSE Generic substation event
GSM GPS time synchronization module
GTM GPS Time Module
HDLC protocol High-level data link control, protocol based on the HDLC
standard
HFBR connector type Plastic fiber connector
HLV circuit Hazardous Live Voltage according to IEC60255-27
HMI Human-machine interface
HSAR High speed autoreclosing
HSR High-availability Seamless Redundancy
HV High-voltage
HVDC High-voltage direct current
ICT Installation and Commissioning Tool for injection based
protection in REG670
IDBS Integrating deadband supervision
IEC International Electrical Committee
IEC 60044-6 IEC Standard, Instrument transformers – Part 6:
Requirements for protective current transformers for
transient performance
IEC 60870-5-103 Communication standard for protection equipment. A
serial master/slave protocol for point-to-point
communication
IEC 61850 Substation automation communication standard
IEC 61850–8–1 Communication protocol standard
IEEE Institute of Electrical and Electronics Engineers
IEEE 802.12 A network technology standard that provides 100 Mbits/s
on twisted-pair or optical fiber cable
IEEE P1386.1 PCI Mezzanine Card (PMC) standard for local bus
modules. References the CMC (IEEE P1386, also known
Section 12 1MRK 511 398-UEN C
Glossary
162 670 series 2.2 IEC
Engineering manual
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