推挽全橋雙向直流變換器的研究

摘要：本文研究了推挽全橋雙向直流變換器，分析了變換器的兩種工作模式。研究了開關管上電壓尖峰形成的原因，基于電壓尖峰問題提出了幾種解決方案，最后采用了RCD緩沖電路，分析了緩沖電路的工作原理，給出了實驗波形。 敘詞：雙向直流變換器 緩沖電路 Abstract：This paper describes the research of push-pull full-bridge bi-directional DC/DC converter and the analysis of two modes of this converter. Spike voltage is analyzed. Several methods are put forward. At last the RCD snubber spike voltage suppression circuit is given and operation principle is analyzed. Experimental results are presented. Keyword：bi-directional DC/DC converter snubber circuit