(GE) Frame 7FA Gas Turbine Construction
Course Overview
In this Learning-Doc, the learner will be able to describe
the 7FA gas turbine major components, including the purpose / function and
construction of these major components. Discussion
will include the base and supports, the compressor (casing, inlet guide vanes,
casing & rotor), combustion (can arrangement and components, spark plugs,
flame detectors, and the DLN2.6 nozzles), turbine section (structure,
wheelspace, turbine buckets and the turbine shell), exhaust frame, bearings,
turning gear, and instruments. Alarms
relative to the turbine will be discussed, including the implication of the
said alarm, likely causes, and actions to be taken.