MULTI-SOURCE NON-ELECTROLYTIC CAPACITOR BI-DIRECTIONAL ONBOARD CHARGER
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United States of America
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Issued Date -
Apr 3, 2025
app pub date -
Oct 1, 2023
filing date -
Oct 1, 2023
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Abstract
The present invention relates to a multi-source bi-directional onboard charger. The bi-directional onboard charger comprises input relays, an AC/DC converter, a staged circuit, and a DC/DC converter. The charger can either charge a battery by a power supplier or supply power to external loads by discharging the battery. The input relays are configured to accommodate multiple power sources including single-phase AC, three-phase AC, and DC power sources. Using relays and means for controlling the AC/DC converter with the staged circuit, the staged circuit is configured to perform various functions including a power decoupling circuit to replace electrolytic capacitor. The magnet of the DC/DC converter is optionally configured to be a 4-winding coupled inductor.
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