带有源缓冲单元的新型ZVT-PWM升压变换器

8th IEEE Symposium on Diagnostics for Electrical Machines, Power Electronics & Drives Pub Date : 2011-11-01 DOI:10.1109/DEMPED.2011.6063614

H. Bodur, S. Cetin, G. Yanik

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引用次数: 4

摘要

本文提出了一种新型有源缓冲单元的升压变换器。这个缓冲电路为主开关提供ZVT打开和ZVS关闭。此外，辅助开关打开ZCS和关闭ZVS与这个缓冲单元。SS工作条件保持在非常宽的线路和负载范围，没有半导体元件有额外的电压应力。通过将SS能量传递到输出端，减小了辅助开关的电流应力。在主开关上没有额外的电流压力。在本研究中，介绍了新型ZVT PWM DC-DC变换器的工作原理，并利用PSpice仿真软件对其工作原理进行了验证。

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 new ZVT-PWM boost converter with active snubber cell

In this study, boost converter with a new active snubber cell is proposed. This snubber circuit provides ZVT turn on and ZVS turn off for the main switch. Also, the auxiliary switch turns on with ZCS and turns off with ZVS with this snubber cell. SS operation conditions are maintained at very wide line and load ranges and no semiconductor component has an additional voltage stress. The current stress of the auxiliary switch is reduced through transferring of SS energy to the output. There is no additional current stress on the main switch. In this study, the operating principle of the new ZVT PWM DC-DC converter is presented and its operation is verified with PSpice simulation software for a 1 kW and 100 kHz model.

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8th IEEE Symposium on Diagnostics for Electrical Machines, Power Electronics & Drives

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