Electricity: motive power systems – Motor-reversing – Armature or primary circuit control
Patent
1974-11-22
1976-02-24
Rubinson, G. Z.
Electricity: motive power systems
Motor-reversing
Armature or primary circuit control
318230, 321 45C, H02P 540
Patent
active
039406695
ABSTRACT:
A control system for an A.C. motor which is connected to the output terminals of a thyristor inverter, a capacitor is connected between the D.C. input terminals of the thyristor inverter, and the respective thyristors constituting the inverter are extinguished by self commutation due to an oscillating current produced by the capacitance of the capacitor and the reactance component of the armature coils of the A.C. motor connected to the A.C. output terminals of the thyristor inverter, and a current in the waveform of pulses produced by electric oscillation is delivered in a predetermined phase sequence to the armature coils of the A.C. motor.
REFERENCES:
patent: 3321697 (1967-05-01), Etter
patent: 3569819 (1971-03-01), Martzloff et al.
patent: 3675099 (1972-07-01), Johnston
Tanamachi Tokunosuke
Tsuboi Takashi
Hitachi , Ltd.
Rubinson G. Z.
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