一种新型有源整流PWM开关稳压器

Proceedings IPEMC 2000. Third International Power Electronics and Motion Control Conference (IEEE Cat. No.00EX435) Pub Date : 2000-08-15 DOI:10.1109/IPEMC.2000.884591

T. Morimoto, K. Saitoh, M. Nakamura, H. Iwamoto, M. Nakaoka

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引用次数: 0

摘要

本文提出了一种新的移相变压器寄生元件辅助ZVS-PWM DC-DC变换器的原型，该变换器采用扼流圈输入型直流平滑滤波器，将ZCS有源功率开关串联在高频变压器二次侧的每个整流二极管上。这种高效的DC-DC变换器具有宽ZVS工作范围，适用于大功率应用，可以在无循环电流的情况下实现软开关操作。介绍了其工作原理和特点。基于2 kW-40 kHz面包板的仿真和一些实验结果，对所提出的DC-DC变换器拓扑结构的稳态工作特性进行了说明和讨论。

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A novel switching regulator with active commutation PWM rectifier

This paper presents a new prototype of phase-shifted transformer parasitic components-assisted ZVS-PWM DC-DC converter with choke input type DC smoothing filter which incorporates ZCS active power switches in series with each rectifier diode in high-frequency transformer secondary-side. This efficient DC-DC converter with a wide ZVS operation ranges which is suitable for high-power applications can achieve soft-switching operation under a condition of no circulating current. Its operating principle and unique features are described. The steady-state operating characteristics of the proposed DC-DC converter topology are illustrated and discussed on the basis of the simulation and some experimental results of 2 kW-40 kHz breadboard set up.

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Proceedings IPEMC 2000. Third International Power Electronics and Motion Control Conference (IEEE Cat. No.00EX435)

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