Driving method of motor fed by electric valve feeding apparatus

Details Driving method of motor fed by electric valve feeding apparatus Driving method of motor fed by electric valve feeding apparatus

1979-12-17

1982-01-05

Truhe, J. V.

Electricity: motive power systems

Reciprocating or oscillating motor

Energizing winding circuit control

318714, 318715, 318721, 318722, 318723, 318717, 318254, H02K 2900, H02P 700

Patent

active

043096433

ABSTRACT:
An AC motor having AC windings with an internal electromotive force is driven by an electric valve feeding apparatus having electric valves commutated by the internal electromotive force of the AC windings. The commutation of the electric valve is carried out under the condition of U>.pi./m where m designates the number of commutation times per AC cycle of the electric valve feeding apparatus and U designates a commutation overlapping angle of the electric angle to feed the current to the AC windings whereby the motor is driven by the electric valve feeding apparatus.

REFERENCES:
patent: 3749991 (1973-07-01), Kuniyoshi
patent: 3949283 (1976-04-01), Okuyama et al.
patent: 3997825 (1976-12-01), Miyasita et al.
patent: 4004203 (1977-01-01), Chalmers et al.
patent: 4160938 (1979-07-01), Akamatsu

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