Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1992-05-22
1993-01-05
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310114, 310181, H02K 122, H02K 2104, H02K 1602
Patent
active
051773910
ABSTRACT:
An a.c. generator having a stator including an armature core and a polyphase output winding wound around the armature core. A plurality of rotors mounted on a rotary shaft to establish a first and a second field magnetic circuits are arranged in parallel with respect to the armature core. The first field magnetic circuit includes permanent magnets acting as a source of exciting magnetomotive force, while the second field magnetic circuit includes a field winding acting as a source of exciting magnetomotive force. The magnetic fluxes generated from the first and second field magnetic circuits penetrate the armature core inducing an output voltage across the polyphase output winding. The magnetic flux from the second field magnetic circuit is changed so as to increase or decrease the total magnetic flux penetrating the armature core thereby controlling the induced output voltage.
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LaBalle C.
Nippondenso Co. Ltd.
Skudy R.
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