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A systematic approach to developing single-stage soft switching PWM converters

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2 Author(s)
Tsai-Fu Wu ; Dept. of Electron. Eng., Nat. Chung Cheng Univ., Chia-Yi, Taiwan ; Sihh-An Liang

A systematic approach to developing soft switching PWM converters based on the synchronous switch scheme is presented in this paper. With the approach, several families of passive and active soft switching PWM converters, such as buck-boost, Zeta, Cuk, and Sepic, can be generated from the two basic converters, buck and boost. Also, the approach is used to integrate multiple converters to form a single-stage soft switching PWM converter. It has been shown that analysis of the converters can be conveniently performed from the derived general configurations, reducing the complexity significantly. Therefore, employing the technique can not only explore more physical insights into the converters in a family but reveal more relationships among the soft switching converters over conventional approaches. Measured results from a prototype have verified the feasibility of the derived single-stage converters

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Power Electronics, IEEE Transactions on  (Volume:16 ,  Issue: 5 )