2-on coil arrangement for a switched reluctance motor

Details 2-on coil arrangement for a switched reluctance motor 2-on coil arrangement for a switched reluctance motor

1996-09-20

1998-02-17

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310185, 310179, 318 42, 318716, H02K 1100

Patent

active

057194530

ABSTRACT:
Apparatus controlling switching of a polyphase switched reluctance motor (M). There is a set (10-16) of windings for each motor phase, each set of windings including at least two separate windings (10A, 10B-16A, 16B). One winding (10B) from one set (10) of windings is connected together with one (12A) winding from another set (12) of windings to form a combined set (10C) of windings. Each winding from the one set of windings is connected only to the one winding from the other sets of windings thereby to produce a number of combined sets of windings corresponding to the number of motor phases. A motor controller (18) selectively energizes and de-energizes the combined sets of windings in a predetermined sequence through an inverter (20). One switch (22a) operated by the inverter is interposed between the controller and one side of each of the combined sets of windings; and, a second switch (22b) is interposed between the inverter and the other side of each of the combined sets of windings. Closing the switches causes energization of windings in two of the motor phase so at least two motor phases are simultaneously energized at any time during motor operation.

REFERENCES:
patent: 3688306 (1972-08-01), Oishi et al.
patent: 4995159 (1991-02-01), Hancock et al.
patent: 5256923 (1993-10-01), Bartos et al.
IBM Technical Disclosure Bulletin, vol. 18 No. 1 Jun. 1975.
English Translation of Japanese Patent 4-127861, Dec. 1996.

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