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Hybrid resonant bridgeless AC-DC power factor correction converter
Hybrid resonant bridgeless AC-DC power factor correction converter
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机译:混合谐振无桥AC-DC功率因数校正转换器
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摘要
A power converter (e.g., AC-DC converter) includes an input inductor coupled between a first AC voltage source input node and a central node, a first switch coupled between the central node and a first rail node, a second switch coupled between the central node and a second rail node, and a resonant output circuit. The first switch has a body diode that passes current from the first rail node to the central node. The second switch has a body diode that passes current from the central node to the second rail node. A first input device controls current flow between the first rail node and the second AC voltage source input node, and a second input device controls current flow between the second rail node and the second AC voltage source input. The output circuit includes at least one capacitor and at least one inductor which form a resonant network, hence are denominated as resonant capacitor(s) and resonant inductor(s).
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