Power supply circuit having controllable thyristor network and adjustable voltage regulator
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United States of America Patent
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Oct 23, 1990
Grant Date -
N/A
app pub date -
Mar 23, 1989
filing date -
Mar 29, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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