Control of a switched reluctance drive

Details Control of a switched reluctance drive Control of a switched reluctance drive

2005-12-06

2005-12-06

Duda, Rina (Department: 2837)

Electricity: motive power systems

Switched reluctance motor commutation control

C318S434000, C318S132000, C318S700000, C318S701000

Reexamination Certificate

active

06972533

ABSTRACT:
A switched reluctance drive, operating either as a motor or a generator, is controlled in a stable manner in the continuous current mode in the presence of supply voltage or electrical load variation. The use of a current control parameter Ixin addition to the conventional on- and off-angles θon, θoffgives the ability to operate smoothly in the continuous current mode and to transition smoothly between operating modes. Once the phase current reaches a pre-determined level Ix, the phase winding may be placed in a freewheel state, thereby controlling the standing current in the phase winding and/or the output voltage.

REFERENCES:
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Stephenson, et al., “The Characteristics, Design and Applications of Switched Reluctance Motors and Drives,” PCIM '93, Nürnberg, Germany, Conference & Exhibition, Jun. 21-24, 1993, pp. 1-68.

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