Electricity: motive power systems – Switched reluctance motor commutation control
Patent
1983-01-20
1985-04-16
Truhe, J. V.
Electricity: motive power systems
Switched reluctance motor commutation control
318138, 318439, H02P 602, H02K 2902
Patent
active
045118280
ABSTRACT:
A D.C. commutatorless electric motor comprises a rotor having a permanent magnet, first and second Hall elements for detecting rotational angle of the rotor according a magnetic field formed by the permanent magnet of the rotor, first and second stator coils respectively coupled to the first Hall element through first and second switching elements, third and fourth stator coils respectively coupled to the second Hall element through third and fourth switching elements, first impedance control element for controlling impedances of the first and second switching elements, and a second impedance control element for controlling impedances of the third and fourth switching elements. One terminal of the first and second stator coils is coupled to a positive power source terminal, and the other terminal of the first and second stator coils is coupled at a common connection point to the third and fourth stator coils which have one terminal coupled to a negative power source terminal. The first impedance control element is coupled to the common connection point.
REFERENCES:
patent: 3440506 (1969-04-01), Krestel et al.
patent: 3448359 (1969-06-01), Engel
patent: 4143308 (1979-03-01), Deplante et al.
Ro Bentsu
Truhe J. V.
Victor Company of Japan Ltd.
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