Regenerative unipolar converter for switched reluctance motors u

Details Regenerative unipolar converter for switched reluctance motors u Regenerative unipolar converter for switched reluctance motors u

1984-05-31

1987-08-04

Smith, Jr., David

Electricity: motive power systems

Synchronous motor systems

Hysteresis or reluctance motor systems

318757, H02P 540

Patent

active

046848673

ABSTRACT:
In a converter for a switched reluctance motor, a dump capacitor receives freewheeling current from each phase and resupplies the charge to the dc supply. In this manner, residual magnetic energy is recovered and phase current quickly reduced while the converter requires only one main switching device and one freewheeling device per phase and the converter allows a unipolar source to be used.

REFERENCES:
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patent: 3560820 (1971-02-01), Unnewehr
patent: 3639818 (1972-02-01), Wiart
patent: 3678352 (1982-07-01), Bedford
patent: 3679953 (1972-07-01), Bedford
patent: 3697839 (1972-10-01), Unnewehr
patent: 3697840 (1972-10-01), Koch
patent: 3845379 (1974-10-01), Kawamata
patent: 4253053 (1981-02-01), Ray et al.
patent: 4348619 (1982-09-01), Ray et al.
patent: 4563619 (1986-01-01), Davis et al.
patent: 4687851 (1978-05-01), Klautschek
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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