低電圧出力に対応した2次側位相シフトPWM高周波リンクソフトスイッチングDC-DCコンバータ(エネルギー技術,半導体変換技術,一般)

概要

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The primary-side phase shifted (PPS) PWM DC-DC converter suffers from severe power losses due to a circulating current and a narrow range of soft switching (S-SW) operation. As an effective solution to those technical problems, a secondary-side phase shifted (SPS) S-SW PWM DC-DC converter with a ZCS active rectifier controlled by phase shifted have been proposed and developed by the authors. In this paper, the secondary-side phase shifted S-SW PWM DC-DC converter with a ZCS center tap rectifier suitable for the application of low voltage and large current power, e.g., a battery charging system in Electric Vehicles is proposed, and its typical operations is theoretically analyzed. In addition to this, the design guideline of circuit parameters are denoted by the steady-state analysis.
2012-07-23