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Soft-Switched PFC Boost Rectifier With Integrated ZVS Two-Switch Forward Converter

机译:集成ZVS两开关正激转换器的软开关PFC升压整流器

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摘要

A soft-switched continuous-conduction-mode boost power factor correction front-end converter with an integrated zero-voltage-switched two-switch forward second-stage converter is introduced. In the proposed approach, a single transformer is commonly used by the two stages to provide isolation of the power supply and soft switching of all semiconductor switches including a controlled di/dt turn-off rate of the boost rectifier. The performance of the proposed approach was evaluated on a 150-kHz, 430-W/12-V, universal-line range prototype converter
机译:介绍了一种集成了零电压开关两开关正向第二级转换器的软开关连续导通模式升压功率因数校正前端转换器。在提出的方法中,两个阶段通常使用单个变压器来提供电源隔离和所有半导体开关的软开关,包括升压整流器的受控di / dt关断速率。在150kHz,430W / 12V,通用线路范围原型转换器上评估了该方法的性能

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