(GE) Frame 7FA Gas Turbine Cooling & Sealing Air
Course Overview
Learn the purpose and operation of
the cooling & sealing air system.
Topics include the 9th and 13th stage compressor
bleed system, the turbine nozzle cooling air subsystem, the exhaust frame and
#2 bearing are cooling, compressor discharge pressure connections, and water
wash provisions. Typical alarms are
discussed; the alarm source, the implication, the probable causes, and the
actions to be taken.