Schematic diagram and cross-section
view of a typical 500 MW Synchronous Generator and its 2400 kw dc
exciter. The dc exciting current Ix (6000A) flows through the commutator and two skip-rings.
the dc control current Ic from the pilot exciter permits variable field control on of the main exciter,which in turn controls Ix.
Total rewinding GE Rotor Generator 180 MW 3000 RPM
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