带倍压整流器的准z源DC-DC变换器降压模式实现可能性分析

2015 IEEE 5th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG) Pub Date : 2015-05-11 DOI:10.1109/POWERENG.2015.7266379

J. Zakis, I. Rankis, Liisa Liivik, A. Chub

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引用次数: 7

摘要

在带倍压整流器的准z源DC-DC变换器中加入串联谐振槽，通过增加降压模式实现的可能性，可以显著增加输入电压调节范围。本文讨论了qZS系列谐振DC-DC变换器在降压模式下的两种不同控制方法:变频控制和移相调制。用稳态分析的方法对两种方法进行了解释。为了验证理论背景，建立了一个200w的实验样机。实验结果与理论预测结果进行了比较。

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Analysis of buck mode realization possibilities in quasi-Z-source DC-DC converters with voltage doubler rectifier

A series resonant tank in the quasi-Z-source (qZS) DC-DC converter with a voltage doubler rectifier could significantly increase the input voltage regulation range by adding the buck mode realization possibility. This paper discusses two different control approaches of the qZS series resonant DC-DC converter in the buck mode: variable frequency control and phase shift modulation. Both methods are explained by means of steady-state analysis. To verify the theoretical background, a 200 W experimental prototype was built. Experimental results are compared with theoretical predictions.

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2015 IEEE 5th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG)

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