(GE) Frame 7EA Mk-V Trip Systems
Course Overview
Discussions include the trip header, the 20TV-1 and
20FG-1 solenoids, generation of trip signals to the gas and liquid fuel system
and how the control cabinet communicates to the fuel valves. Then the discussion involves the generation
of the master trip signals, L4, in the primary cores and the generation of trip
signal in the protective cores. Alarm
discussions are included; implications, probable causes, and actions to be
taken.