POWER CONVERSION DEVICE
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United States of America Patent
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Issued Date -
Mar 31, 2016
app pub date -
Sep 18, 2015
filing date -
Sep 25, 2014
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Abstract
A power conversion device includes a transformer, a first power conversion unit that performs power conversion on a primary side of the transformer to convert DC power to AC power on the primary side of the transformer, and a second power conversion unit that performs power conversion on a secondary side of the transformer to convert AC power on the secondary side of the transformer to single-phase AC power. The second power conversion unit performs the power conversion using bidirectional switching elements, and switches the bidirectional switching elements in the first power conversion unit at a zero voltage by synchronizing with switching actions in the first power conversion unit. Consequently, a loss can be lessened by making the configuration simpler.
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