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In this paper, a soft-switching interleaved circuit applied in three-level inverters is proposed. An interleaved three-level inverter is realized by employing two interleaved power switches in parallel at the most upper and the lowest location in traditional three-level inverters. By further inserting a small current-limiting inductor in each interleaved switch branch, each interleaved power switch...
A parallel technique with a coupled inductor is proposed for an LCL resonant push-pull converter. The coupled inductor is inserted in the front of the common resonant capacitor of two parallel push-pull converters, sharing the current of the two converters. The equivalent circuit and state equation of the proposed converter is described, and then the effects of the mismatch of the equivalent resistor...
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