BIDIRECTIONAL DC-DC CONVERTER
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United States of America Patent
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Issued Date -
Jun 23, 2016
app pub date -
Dec 17, 2014
filing date -
Dec 17, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A bidirectional DC-DC converter applies to a charging and discharging system equipped with a battery and especially to power fluctuations arising from the charging and discharging of the battery. The bidirectional DC-DC converter has a first full-bridge switching unit, transformer, resonance unit, second full-bridge switching unit, and frequency change control module. The first full-bridge switching unit connects with a first DC power source. The transformer has a primary side connected to the first switching unit to receive a power from the first DC power source and has a secondary side connected to the second full-bridge switching unit. The resonance unit connects with the transformer's secondary-side winding and receives power to produce resonance. The second full-bridge switching unit connects with a second DC power source. The frequency change control module instructs the switching units to perform bidirectional buck-boost switching and changes the operating frequency to adjust voltage gain.
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