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AssigneeHuawei Digital Power Technologies Co., Ltd.
InventorsZhuyong Huang, Xiaofei Zhang, Peng Shuai, Peiguo Liu
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Embodiments of this application provide a power conversion circuit. The power conversion circuit includes at least one first power conversion unit connected in series to a first phase line, at least one second power conversion unit connected in series to a second phase line, at least one third power conversion unit connected in series to a third phase line, a plurality of first start circuits connected in series to the first phase line, and a plurality of second start circuits connected in series to the second phase line. Each first start circuit includes a first relay and a first resistor that are connected in parallel, and first relays in all the first start circuits are sequentially closed after the power conversion circuit is powered on, to start the power conversion circuit. Each second start circuit includes a second relay and a second resistor that are connected in parallel.
A power conversion circuit, comprising:
A method, comprising:
A transformer, comprising a controller and a power conversion circuit, wherein the controller is configured to control a relay in the power conversion circuit to be opened or closed;
Dependencies are inferred from the claim text.