Method of starting a brushless motor for driving a compressor in

Details Method of starting a brushless motor for driving a compressor in Method of starting a brushless motor for driving a compressor in

1995-07-24

1998-03-03

Martin, David S.

Electricity: motive power systems

Switched reluctance motor commutation control

318439, 318701, 318721, 318722, H02K 2300

Patent

active

057239673

ABSTRACT:
In a method of controlling start of a refrigerant-circulating compressor driven by a brushless motor in a refrigerating cycle, the brushless motor is started in accordance with an asynchronous forced commutation operation without use of rotor position detection signals; and when the rotor position detection signals can be detected a predetermined number of times or more due to synchronous commutations during the forced commutation operation, the asynchronous forced commutation operation is shifted to a synchronous commutation starting operation with the use of the rotor position detection signals.

REFERENCES:
patent: 3772526 (1973-11-01), Alwers
patent: 3798522 (1974-03-01), Pisecher et al.
patent: 4443747 (1984-04-01), Chausse et al.
patent: 4565957 (1986-01-01), Gary et al.
patent: 4743815 (1988-05-01), Gee et al.
patent: 5017845 (1991-05-01), Carobolante et al.
patent: 5225759 (1993-07-01), Endo et al.
Patent Abstracts of Japan, vol. 17, No. 47 (E-1313) Jan. 28, 1993 (abstract of JP-A-04 261 388, published Sep. 17, 1992).

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