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Oyake; Takashi
Hitachi, JP
No. of patents:

Patent Number Title Of Patent Date Issued
8115445 Operation control method and operation control apparatus for variable speed generator-motor February 14, 2012
An excitation device supplies a three-phase AC excitation current to a variable speed generator-motor, and controls the variable speed generator-motor based on a three-phase AC excitation current command value obtained by vector-synthesizing, based on a slip phase from an exciting ph

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