Bidirectional DC-DC converter, power conditioner, and distributed power system
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United States of America Patent
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Apr 16, 2019
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Jan 11, 2018
app pub date -
Jan 25, 2016
filing date -
Jan 28, 2015
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Abstract
A low-voltage circuit in a bidirectional DC-DC converter converts output AC power from a high-voltage circuit to DC power to charge a smoothing reactor and discharge the smoothing reactor, and includes an active snubber circuit including switching elements and each having a backward diode and a snubber capacitor. The snubber capacitor of the active snubber circuit has its one end connected to a drain end of the switching elements, and has its other end connected to a node between a center tap of a high-frequency transformer and a smoothing reactor.
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