Mechanical Dynamics & Analysis performed a 7FH2 Partial Re-Stack of the core step iron & Full Stator Rewind on a GE® 7FH2 generator. Several 7FH2 units have experienced failures of the core step iron, ...
Major Inspection of a 330H gas-turbine generator indicated that a stator rewind was needed. The unit failed electrical tests and had suffered with indications of heavy wedge slot and bar tie greasing.
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