Power converter
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United States of America Patent
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Nov 5, 2019
Grant Date -
Nov 8, 2018
app pub date -
Jan 28, 2016
filing date -
Jan 28, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A power converter includes a rectifier that converts AC power from an AC power supply into DC power, a short circuit unit that short-circuits the AC power supply via a reactor, and a controller that controls the short circuit operation of the short circuit unit. The controller changes the number of the short circuit operation during a half cycle of an output waveform of the AC power supply on the basis of a load condition, and causes a delay time before short circuit from a zero crossing point of the output waveform of the AC power supply after changing the number of the short circuit operation to vary from a delay time before short circuit from a zero crossing point of the output waveform of the AC power supply before changing the number of the short circuit operation.
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