Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1994-06-30
1995-06-06
Budd, Mark O.
Electrical generator or motor structure
Dynamoelectric
Rotary
310197, 310269, G01B 714
Patent
active
054225256
ABSTRACT:
A switched reluctance machine comprises a stator having an even plurality of salient stator poles, each of which having a stator winding disposed thereon and electrically coupled one to another to form diametrically opposed pole pairs which may be coupled to an external source of electrical energy, a rotor having an even plurality of salient rotor poles, and at least one compensation coil disposed on each of the rotor poles. The compensation coils are electrically coupled one to another to form diametrically opposed compensation pairs in which flows a flux generating current when one of the stator windings of a pole pair is either open of shorted. The flux generated equalizes the unbalance forces resulting from the faulted stator winding, thereby increasing the fault tolerant capability of the switched reluctance machine.
REFERENCES:
patent: 4099076 (1978-07-01), Hucker
patent: 5294857 (1994-03-01), Auinger et al.
patent: 5304882 (1994-04-01), Lipo et al.
patent: 5376851 (1994-12-01), Lipo et al.
An article entitled Faults and Unbalance Forces in the Switched Reluctance Machine by T J E Miller of SPEED Laboratory, University of Glasgow, G12, 8LT, UK (IEEE-I-AS 28th Annual Meeting, Toronto, Oct. 3-8, 1993).
Budd Mark O.
Makeever Jeffery J.
Sundstrand Corporation
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