Unipolar converter for variable reluctance machines

Details Unipolar converter for variable reluctance machines Unipolar converter for variable reluctance machines

1990-04-03

1992-01-28

Shoop, Jr., William M.

Electricity: motive power systems

Synchronous motor systems

Hysteresis or reluctance motor systems

363 98, 363138, 318138, G05B 1940, H02K 2902

Patent

active

050846620

ABSTRACT:
The invention is a circuit (60) for controlling the operation of a variable reluctance machine having a plurality of phase windings. Pairs of phase windings (64, 66 or 65, 67) are controlled by a switching circuit having only three power switches which are controlled by a switch controller. Pairs of phase windings may be switched by one or more sets of switches each having the three power switches in several different modes of operation. The invention may be used to control multiple phase machines with an odd number of phases.

REFERENCES:
patent: 3742330 (1973-06-01), Hodges et al.
patent: 4074179 (1978-02-01), Kuo et al.
patent: 4127801 (1978-11-01), Leenhouts
patent: 4208623 (1980-06-01), Leenhouts
patent: 4295083 (1981-10-01), Leenhouts
patent: 4500824 (1985-02-01), Miller
patent: 4570212 (1986-02-01), Edwards et al.
patent: 4763056 (1988-08-01), Byrne et al.
patent: 4783795 (1988-11-01), Yahata

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