Method of commutation and converter circuit for switched relucta

Details Method of commutation and converter circuit for switched relucta Method of commutation and converter circuit for switched relucta

1984-05-21

1985-02-19

Shoop, William M.

Electricity: motive power systems

Synchronous motor systems

Hysteresis or reluctance motor systems

318138, 318139, 318254, 318696, H02K 2902

Patent

active

045008248

ABSTRACT:
Plural stage commutation for a switched reluctance drive is performed by a converter circuit which short-circuits half of a bifilar phase winding, or an entire phase winding, for a controlled period in the second commutation stage so as to increase output power of the drive without increasing peak current in the switching device of the converter.

REFERENCES:
patent: 3560817 (1971-02-01), Amato
patent: 3678352 (1982-07-01), Bedford
patent: 3679953 (1972-07-01), Bedford
patent: 3890554 (1975-06-01), Yoshitake et al.
patent: 3919608 (1975-11-01), Usami et al.
patent: 4270075 (1981-05-01), Nygaard
patent: 4286198 (1981-08-01), de Valroger
R. M. Davis, W. F. Ray, and R. J. Blake, Inverter Drive For Switched Reluctance Motor: Circuits and Component Ratings, IEEE Proc., Mar. 1981.

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