零电压转换SEPIC变换器分析

2012 IEEE 7th International Conference on Industrial and Information Systems (ICIIS) Pub Date : 2012-09-17 DOI:10.1109/ICIINFS.2012.6304813

M. Veerachary, M. Goyal, H. Raghuwanshi

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引用次数: 0

摘要

本文对零电压转换(ZVT) SEPIC变换器进行了建模和分析。这种ZVT方案减少了辅助元件上的电流应力，从而降低了传导损耗，提高了效率。此外，还可以减小辅助磁性元件的尺寸。这种软开关转换器能够在相当高的频率下工作在更宽的线路和负载变化上。给出了该变换器的工作原理、详细分析和软开关谐振电路的设计过程。建立并测试了一个100瓦，50 kHz的原型电路。在不同的加载条件下，通过仿真和实验验证了所提出的设计方法。测量观测结果与模拟和分析预测结果非常吻合。

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 Zero Voltage Transition SEPIC converter

In this paper, modeling and analysis of Zero Voltage Transition (ZVT) SEPIC converter is presented. This ZVT scheme yields reduced current stress on the auxiliary elements, which leads to lower conduction losses and improved efficiency. In addition, a reduction in size of auxiliary magnetic elements can be accomplished. This soft-switching converter is capable of operating over wider line and load variations at considerably high frequencies. The operation principles, a detailed analysis and a soft-switching resonant circuit design procedure of the proposed converter are presented. A 100 Watt, 50 kHz prototype circuit is built and tested. The proposed design methodology is verified both in simulation and experiments for different loading conditions. Measurement observations are in close agreement with the simulation and analytical predictions.

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来源期刊

2012 IEEE 7th International Conference on Industrial and Information Systems (ICIIS)

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