GE SecoGear - Circuit Breaker Operation; Closing and Opening Operations

SecoGear Medium-voltage Switchgear Application and Technical Guide DET-882
System and Equipment Protection
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Device
Function
HIZ
High Impedance fault detector
HMI
Human machine interface
HST
Historian
LGC
Scheme logic
MET
Substation metering
PDC
Phasor data concentrator
PMU
Phasor measurement unit
PQM
Power quality monitor
RIO
Remote input/output device
RTU
Remote terminal unit/data concentrator
SER
Sequence of events recorder
TCM
Trip circuit monitor
LRSS
Local/remote selector switch
SOTF
Switch on to fault