Reluctance machine with fractional pitch winding and drive there

Details Reluctance machine with fractional pitch winding and drive there Reluctance machine with fractional pitch winding and drive there

1996-07-09

1999-03-30

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310168, 318701, H02K 328, H02K 1910, H02P 762

Patent

active

058893474

ABSTRACT:
A reluctance machine including a plurality of phase windings where each phase winding comprises a plurality of fractional-pitched coils. The reluctance machine may be coupled to a drive that can energize one, two or more of the phase windings to provide output torque that is derived from: (i) the self-inductances of the phase windings; (ii) a combination of the self inductances of the phase windings and the mutual inductances between the phase windings; or (iii) the mutual inductances between the phase windings.

REFERENCES:
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patent: 4918347 (1990-04-01), Takaba
patent: 5010267 (1991-04-01), Lipo et al.
patent: 5304882 (1994-04-01), Lipo et al.
patent: 5545938 (1996-08-01), Mecrow
Abstract to SU 1070651 A of Jan. 30, 1984.
International Search Report dated Nov. 7, 1997 for corresponding International Patent Application No. PCT/US97/11827 of Jul. 8, 1997.
B.C. Mecrow, "Fully Pitched-Winding Switched-Reluctance and Stepping-Motor Arrangements," Jan. 1993, IEE Proceedings-B.
P.G. Barrass, et al., "Bipolar Operation of Fully-Pitched Winding Switched Reluctance Drives," Sep. 11-13, 1995, IEE Conference Publication No. 412.
P.G. Barrass, et al., "The Unipolar Operation of Fully Pitched Winding Switched Reluctance Drives," 1994, ICEM Conference Proceedings.
B.C. Mecrow, "New Winding Configurations for Doubly Salient Reluctance Machines," Oct., 1992, IEEE Industrial Applications Society.
Stephenson and Blake, "The Characteristics, Design and Applications of Switched Reluctance Motors and Drives," Jun. 1993, Nuremberg, Germany.

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