Power converting device that uses a sine-wave-shaped current control range to output drive signal
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United States of America Patent
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Jun 5, 2018
Issued Date -
Jul 20, 2017
app pub date -
Aug 5, 2014
filing date -
Aug 5, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A power converting device includes: a rectifying circuit connected to an alternating-current power supply for converting alternating-current power from the alternating-current power supply into direct-current power; a short-circuit unit constituted by a diode bridge and a short-circuit element connected to opposite output ends of the diode bridge for short-circuiting the alternating-current power supply via a reactor; and a control unit that generates plural drive signals to control the short-circuit unit during a half cycle of the alternating-current power supply. The control unit generates a sine-wave-shaped current control range that is a target control range of power supply current of the alternating-current power supply, and maintains values of the power supply current of the alternating-current power supply within the current control range.
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