Multiphase DC motor and starting method thereof

Details Multiphase DC motor and starting method thereof Multiphase DC motor and starting method thereof

1993-12-06

1996-05-28

Cabeca, John W.

Electricity: motive power systems

Switched reluctance motor commutation control

318139, 318263, 318778, H02K 2300

Patent

active

055214720

ABSTRACT:
A starting method for starting a multiphase DC motor having a stator provided with stator coils, a rotor provided with a rotor magnet and detector for detecting revolutions of the rotor, has stepping process and acceleration process. In the stepping process, a plurality of stepping steps is performed. The accelerating process is performed after the stepping process is completed. The plurality of the stepping steps include counter-exciting operation. Each of the plurality of stepping steps is provided by a rotation detection step. The stepping process is completed and the accelerating process is performed when a rotation detector detects that the revolutions of the rotor exceeds a predetermined value.

REFERENCES:
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patent: 4928043 (1990-05-01), Plunkett
patent: 4965502 (1990-10-01), Ogasawara
patent: 4988101 (1984-12-01), Studtman
patent: 5019756 (1991-05-01), Schwarz
patent: 5235264 (1993-08-01), Kaneda et al.
patent: 5323094 (1994-06-01), Kaneda et al.

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