Wound field synchronous machine control system and method

Details Wound field synchronous machine control system and method Wound field synchronous machine control system and method

2005-03-22

2005-03-22

Schuberg, Darren (Department: 2834)

Electricity: single generator systems

Automatic control of generator or driving means

Voltage of generator or circuit supplied

C322S052000, C322S059000, C318S700000

Reexamination Certificate

active

06870350

ABSTRACT:
A wound field synchronous machine control system comprises: an auxiliary winding for obtaining auxiliary AC voltage from the wound field synchronous machine; a phase controlled rectifier for rectifying the auxiliary AC voltage and supplying rectified DC voltage to the wound field synchronous machine; and a controller. The controller is configured for using a voltage signal across the auxiliary winding to obtain volt-second values of the auxiliary winding and using the volt-second values for firing angle control of switches of the phase controlled rectifier. Alternatively or additionally, the controller is configured for obtaining airgap flux values of the wound field synchronous machine and using the airgap flux values for firing angle control of switches of the phase controlled rectifier.

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