改进辅助电路的电流馈电全桥变换器分析

2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING Pub Date : 2011-12-01 DOI:10.1109/ICONRAEECE.2011.6129768

R. Arivazhagan, S. Prakash

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引用次数: 6

摘要

提出了一种新型零电流开关(ZCS)脉宽调制(PWM)直流馈电全桥升压变换器。在电流馈电隔离变换器中，辅助电路是必不可少的，以钳住由变压器漏感引起的桥式开关之间的高瞬态电压。该变换器具有辅助电路，可以将变换器一次侧的箝位能量传递到输出端。此外，辅助电路还用于桥式开关的软开关。本文详细介绍了该变换器的工作原理，并对其特点和设计进行了讨论。仿真结果验证了所提变换器的改进性能。

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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Analysis of current-fed full bridge converter with modified auxiliary circuit

A new zero current switching (ZCS) pulse width modulation (PWM) dc-dc current fed full-bridge boost converter is proposed in this paper. In current fed isolated converters, an auxiliary circuit is essential to clamp high transient voltage across bridge switches caused by transformer leakage inductance. The proposed converter has auxiliary circuit that can transfer clamped energy from primary side of converter to the output. Further the auxiliary circuit is also utilized for soft switching of bridge switches. In this paper, the operation of the proposed converter is explained in detail, and its features and design are discussed. Simulation results are presented to verify the improved performance of proposed converter.

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来源期刊

2011 INTERNATIONAL CONFERENCE ON RECENT ADVANCEMENTS IN ELECTRICAL, ELECTRONICS AND CONTROL ENGINEERING

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