Patent ID: 6906479

Claim:
A gas turbine engine starter-generator, comprising; a housing; a shaft rotationally mounted within the housing; a main rotor mounted on the shaft; a main stator mounted within the housing and located at least partially around at least a portion of the main rotor; an exciter rotor mounted on the shaft; an exciter stator mounted within the housing and located at least partially around at least a portion of the exciter rotor, the exciter stator having N number of poles extending therefrom, N being an integer greater than one; M number of separate exciter stator windings, M being an integer greater than one, each of the separate exciter stator windings wound in series around each of the N number of poles; and a control circuit electrically coupled to at least a first predetermined number of the M number of separate exciter stator windings and operable (i) to selectively supply AC and DC power thereto and (ii) to selectively couple at least a second predetermined number of the M number of separate exciter stator windings in one of series and parallel with one another.