Cyclically controlled electrical equipment having a control angl

Details Cyclically controlled electrical equipment having a control angl Cyclically controlled electrical equipment having a control angl

1980-04-09

1983-02-22

Beha, Jr., William H.

Electric power conversion systems

Current conversion

Having plural converters for single conversion

318345G, 363128, H02M 7155

Patent

active

043750761

ABSTRACT:
An electrical converter equipment for providing a d.c. voltage from an alternating current source. The converter has a unique operating cycle wherein a variable control angle is effected. The operating cycle for the converter comprises a series of half periods of the alternating current source. During different periods of time, the converter operates with different control angles. The control cycles comprise n periods of the input signal, where n is an odd number not less than three. During two half periods of a cycle, the control angle is varied. During two other half periods of the cycle, the converter operates at a fixed control angle. The half periods during which the converter is controlled with a variable control angle are time equidistant.

REFERENCES:
patent: 4245291 (1981-01-01), Tsutsui et al.
patent: 4306283 (1981-12-01), Kiwaki et al.

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