Switched reluctance motor controller

Details Switched reluctance motor controller Switched reluctance motor controller

1997-05-14

1998-11-17

Ro, Bentsu

Electricity: motive power systems

Synchronous motor systems

Hysteresis or reluctance motor systems

318254, H02P 505

Patent

active

058381333

ABSTRACT:
A method and a preferred hardware implementation for selectively energizing a motor winding to maximize its efficiency and output torque under conditions of varying rotor speed, winding temperature, and supply voltage. Motor sensors generate operating condition signals that are transformed by processing circuitry into independent parameters in the translation and dilation domain from which optimal turn-on and turn-off or "conduction angles" are determined. The optimal conduction angles are processed by circuitry to generate actuation signals that selectively control the delivery of energy to the motor winding.

REFERENCES:
patent: 4707650 (1987-11-01), Bose
patent: 4739240 (1988-04-01), MacMinn et al.
patent: 4943760 (1990-07-01), Byrne et al.
patent: 5012171 (1991-04-01), Sember
patent: 5637974 (1997-06-01), McCann
patent: 5663625 (1997-09-01), Sato et al.
patent: 5691591 (1997-11-01), McCann
Optimal Commutation Angles For Current Controlled Switched Reluctance Motors by J.J. Gribble, P.C. Kjaer, C. Cossar & T.J.E. Miller, Dec. 9, 1996.

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