Importance

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Abstract

An electric power conversion apparatus includes: a first electric power terminal; a switching circuit including a switching device; a transformer including first and second windings; a rectifying circuit including a switching device; a smoothing circuit; a second electric power terminal; a control circuit, and a driving circuit. The control circuit is configured to perform a first operation and a second operation alternately before causing electric power to be supplied from the first electric power terminal toward the second electric power terminal, and is configured to control operations of the switching circuit and the rectifying circuit to cause, in the first operation, first electric power to be supplied from the second electric power terminal to the first electric power terminal, and to cause, in the second operation, second electric power lower than the first electric power to be supplied from the second electric power terminal to the first electric power terminal.

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First Claim