Power supply circuit having controllable thyristor network and a

Details Power supply circuit having controllable thyristor network and a Power supply circuit having controllable thyristor network and a

1989-03-23

1990-10-23

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

Phase controlled switching using electronic tube or a three...

323258, 323263, 323324, 323342, G05F 1253, G05F 1455

Patent

active

049655086

ABSTRACT:
A load is supplied by a transformer supplied via a voltage regulator and thyristor network. The thyristor network and regulator are simultaneously controlled to respond to changes in the load and in practice the thryistors respond rapidly and are re-adjusted as the regulator is inherently more slowly adjusted. The result is that the thyristors produce minimum reflected harmonics overall in the mains and an optimum power factor can be achieved for each power setting.

REFERENCES:
patent: 3189816 (1965-06-01), Brozek
patent: 3287624 (1966-11-01), Perry
patent: 3601686 (1971-08-01), Gautherin
patent: 4286207 (1981-08-01), Spreadburry et al.
patent: 4454466 (1984-06-01), Ritter

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