[논문]A Novel Zero-Voltage-Switching Push-Pull DC-DC Converter for High Input Voltage and High Power Applications

Mao Saijun; Wang Huizhen; Yan Yangguang

A Novel Zero-Voltage-Switching Push-Pull DC-DC Converter for High Input Voltage and High Power Applications 원문보기

KIEE international transactions on electrical machinery and energy conversion systems, v.5B no.4, 2005년, pp.343 - 349

Mao Saijun (College of Automation Engineering, Nanjing University of Aeronautics and Astronautics) , Wang Huizhen (College of Automation Engineering, Nanjing University of Aeronautics and Astronautics) , Yan Yangguang (College of Automation Engineering, Nanjing University of Aeronautics and Astronautics)

Abstract ▼ AI-Helper

This paper proposes a novel zero-voltage-switching (ZVS) Push-pull DC-DC Converter for high input voltage and high power applications. This topology utilizes two switches in series to replace one switch in conventional push-pull converter, and two clamping diodes are introduced. The voltage stress of the switches is the input voltage, and the switches can realize ZVS with the use of the leakage inductance of the transformer. Furthermore, secondary full-wave rectifier with a clamping capacitor is used to eliminate the voltage oscillation and spike of the rectifier diodes due to the reverse recovery. Therefore, the electromagnetic interference is reduced effectively. The operation principle of the proposed converter is analyzed theoretically. The output characteristic, ZVS condition and design principle of the clamping capacitor are discussed. Experimental results obtained from a 270V input 2kW prototype with $95.8\%$ high efficiency confirms the design.

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참고문헌 (16)

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A Novel Zero-Voltage-Switching Push-Pull DC-DC Converter for High Input Voltage and High Power Applications 원문보기

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