AC-DC power converter
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United States of America Patent
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Dec 9, 2008
Grant Date -
May 3, 2007
app pub date -
Oct 31, 2005
filing date -
Oct 31, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
An AC-DC power converter is composed of AC input, a first rectifying circuit, a second rectifying circuit, a DC-DC converter and a DC output. The DC-DC converter has a DC input. The first rectifying circuit and the second rectifying circuit are connected in parallel between the AC input and the DC input of the DC-DC converter. At least one of the rectifying circuits comprises a phase shifting element that provides a phase shift at the AC line frequency.
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