部分共振方式ソフトスイッチングPWM 昇圧形DC-DCコンバータの動作領域とその実証評価

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タイトル別名
  • Operating Range of An Edge-Resonant Soft Switching PWM Boost DC-DC Converter and Its Experimental Evaluations
  • ブブン キョウシン ホウシキ ソフトスイッチング PWMショウアツケイ DC-DC コンバータ ノ ドウサ リョウイキ ト ソノ ジッショウ ヒョウカ

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抄録

This paper presents a soft switching PWM non-isolated boost DC-DC converter embedding an edge-resonant switched capacitor (ER-SWC) modular. The DC-DC converter treated here can achieve a high frequency ZCS turn-on and ZVS turn-off operations in active switches and minimization of a reverse recovering current in the freewheeling diode under DCM including CRM operation of the input DC current. In this paper, the soft switching operating range is described in connection with the output power range as well as the practical design procedure for the circuit parameters.For demonstrating the soft switching operations in detail, a 1[kW]-44[kHz] laboratory prototype designed in accordance with the guideline is evaluated by experiments, then actual performances of the proposed DC-DC converter are discussed from the practical point of view.

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