Power control using at least 540 degrees of phase

A circuit and method for generating an electrical alternating current power signal in which the alternating current signal is dropped once at a non-zero crossing point in every 540 plus N degrees, where N is a non-negative number. This manner of controlling power to a device enables wide ranges of p...

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Bibliographische Detailangaben
Hauptverfasser: Thurlow, Barry J, Stevenson, Duncan I, Potter, Scott M, Cooper, John W D
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A circuit and method for generating an electrical alternating current power signal in which the alternating current signal is dropped once at a non-zero crossing point in every 540 plus N degrees, where N is a non-negative number. This manner of controlling power to a device enables wide ranges of power control while generating acceptable levels of power line harmonics and while conforming to existing international regulations governing voltage variations.