具有Cockroft-Walton电压倍增器的升压变换器的外部特性

2015 International Conference on Electrical Drives and Power Electronics (EDPE) Pub Date : 2015-11-12 DOI:10.1109/EDPE.2015.7325268

B. Axelrod, Y. Berkovich

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引用次数: 5

摘要

本文介绍了利用Cockroft-Walton电压乘法器根据电容器和负载的值计算升压变换器输出电压的方法和结果。升压变换器与电压乘法器的组合提供了一个非常高的电压增益，这可以通过改变升压变换器的占空比来调节。结果表明，变换器的输出电压是开关频率、占空比、电容器的数目和值以及负载电阻的复函数。本文提出的计算外部特性的方法是基于对乘法器电容器能量损耗的分析。给出了输出电压随变换器和负载参数变化的计算公式和图。实验结果证实了理论预期。

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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External characteristics of the boost-converter with Cockroft-Walton voltage multiplier

This paper presents the method and results of calculating the output voltage of the boost-converter with Cockroft-Walton voltage multiplier according to the values of the capacitors and the load. The combination of boost-converter with voltage multiplier provides a very high voltage gain, which can be adjusted by changing the duty cycle of the boost converter. It is shown that the output voltage of the converter is a complex function of the switching frequency, duty cycle, number and value of the capacitors and load resistance. The proposed method for calculating the external characteristic is based on the analysis of the energy losses in the capacitors of the multiplier. The formulas and graphs for estimating the output voltage as a function of the converter and load parameters are obtained. Experimental results confirmed the theoretical expectations.

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2015 International Conference on Electrical Drives and Power Electronics (EDPE)

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