AC/DC CONVERTER AND AC/DC CONVERTING METHOD
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United States of America Patent
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Issued Date -
Jun 25, 2015
app pub date -
Dec 9, 2014
filing date -
Dec 19, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An AC/DC converter includes: a rectifier circuit that rectifies an alternating current input; a PFC circuit that has an inductance element, a switching element, and a diode and steps up and outputs an output of the rectifier circuit; a DC/DC converting circuit that converts an output of the PFC circuit into a direct current voltage power source of a predetermined voltage value; a target voltage command generating circuit that designates the target voltage so that the target voltage is low in a region; a target voltage converting circuit that generates a converted target voltage by converting the target voltage designated by the target voltage command generating circuit so that the target voltage is changed in a first period; and a voltage command generating circuit that generates an on and off control signal for controlling on and off of the switching element of the PFC circuit.
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