一种用于电动汽车电池充电器的二次侧移相零电压零电流全量程软开关PWM DC-DC变换器

2012 International Conference on Renewable Energy Research and Applications (ICRERA) Pub Date : 2012-11-01 DOI:10.1109/ICRERA.2012.6477257

K. Akamatsu, T. Mishima, M. Nakaoka

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引用次数: 3

摘要

介绍了一种适用于电动汽车电池充电系统的二次侧移相软开关PWM dc-dc变换器样机。在本文提出的dc-dc变换器中，利用高频变压器的寄生电感，实现了从满载到空载的软开关换流。此外，在一次和二次侧全桥电路中都没有循环电流，因此可以最小化相关的空转功率。详细介绍了宽软开关的工作原理。通过1kw - 50khz样机的实验验证了所提出的dc-dc变换器的基本性能和实际有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A secondary-side phase-shifted zero voltage and zero current full-range soft-switching PWM DC-DC converter for EV battery chargers

A new prototype of a secondary-side phase shifted (SPS) soft switching PWM dc-dc converter suitable for electric vehicle (EV) battery charging systems is presented in this paper. In the proposed dc-dc converter, soft switching commutations are achievable from full load to no load by utilizing parasitic inductances of the high frequency (HF) transformer. Beside that, no circulating current in both of the primary and secondary side full-bridge circuits, consequently the related idling power can be minimized. The wide soft switching principle is described in details. The essential performance and its practical effectiveness of the proposed dc-dc converter are originally demonstrated in experiments by a 1kW-50 kHz prototype.

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2012 International Conference on Renewable Energy Research and Applications (ICRERA)

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