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概述了DC/DC全桥变换器软开关技术的9种控制策略,并详细研究了移相控制全桥零电压开关脉宽调制变换器ZVS的工作原理,分析占空比丢失原因,介绍此种现象的一些改善措施。
Nine kinds of control strategies of DC / DC full-bridge converter soft-switching technology are summarized, and the working principle of the phase-shifted control full-bridge zero voltage switching PWM converter ZVS is studied in detail, and the reasons for the loss of duty cycle are introduced Phenomenon of some improvement measures.