DSP
Digital signal processor
DTT
Direct transfer trip scheme
EHV network
Extra high voltage network
EIA
Electronic Industries Association
EMC
Electro magnetic compatibility
EMF
Electro motive force
EMI
Electro magnetic interference
EnFP
End fault protection
ESD
Electrostatic discharge
FOX 20
Modular 20 channel telecommunication system for speech,
data and protection signals
FOX 512/515
Access multiplexer
FOX 6Plus
Compact, time-division multiplexer for the transmission of up
to seven duplex channels of digital data over optical fibers
G.703
Electrical and functional description for digital lines used by
local telephone companies. Can be transported over balanced
and unbalanced lines
GCM
Communication interface module with carrier of GPS receiver
module
GI
General interrogation command
GIS
Gas insulated switchgear
GOOSE
Generic object oriented substation event
GPS
Global positioning system
GSM
GPS time synchronization module
HDLC protocol
High level data link control, protocol based on the HDLC
standard
HFBR connector
type
Plastic fiber connector
HMI
Human machine interface
HSAR
High speed auto reclosing
HV
High voltage
HVDC
High voltage direct current
IDBS
Integrating dead band supervision
IEC
International Electrical Committee
IEC 60044-6
IEC Standard, Instrument transformers – Part 6: Requirements
for protective current transformers for transient performance
Section 15
Glossary
RET 670
Operator's manual
1MRK504049-UEN rev. D
87