Device for automatic excitation of brushless electrical...

Details Device for automatic excitation of brushless electrical... Device for automatic excitation of brushless electrical...

H - Electricity

02

P

322/11, 322/24

H02P 9/30 (2006.01) H02K 19/36 (2006.01)

Patent

CA 1047601

DEVICE FOR AUTOMATIC EXCITATION OF BRUSHLESS ELECTRICAL MACHINES ABSTRACT OF THE DISCLOSURE A device for automatic excitation of brushless electrical machines, comprising: an A.C. exciter feeding a power converter built around controlled rectifiers disposed on the machine shaft; a converter control circuit employing optoelectronic elements with light-emitting diodes, composed of a booster unit, an inverter unit, and a unit intended for transfer of the converter into a non-controlled rectifier mode; and a photo- detector receiving light signals from a stationary light source and located on the machine shaft. The device permits continuous control from boosting modes to inversion.

214657

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