(GE) Frame 7FA Mk-VI 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 involve 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.