AC VOLTAGE CONTROL DEVICE
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United States of America Patent
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Issued Date -
Aug 18, 2011
app pub date -
Oct 28, 2008
filing date -
Oct 27, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is an AC voltage control device for adjusting the voltage of a load to be connected with an AC power source, by a convenient method.In this AC voltage control device, a magnetic energy recovery switch including a capacitor and an AC switch circuit connected in parallel is connected between the AC power source and the load. The AC switch circuit is turned on several ms from such a timing of a zero capacitor voltage as occurs twice for one current cycle, so that a capacitor current is bypassed to reduce a reactance voltage thereby to adjust the voltage of the load.
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