High step-up quasi-Z-source DC-DC converters with single switched capacitor branch

被引:36
作者
Zhu, Xiaoquan [1 ]
Zhang, Bo [1 ]
机构
[1] South China Univ Technol, Sch Elect Power, Guangzhou 510640, Guangdong, Peoples R China
基金
中国国家自然科学基金;
关键词
DC-DC converter; High voltage gain; Quasi-Z-source network; Switched-capacitor; Z-SOURCE INVERTERS; HIGH-VOLTAGE GAIN; BOOST CONVERTER; COUPLED-INDUCTOR; CONVERSION RATIO; HIGH-EFFICIENCY; PWM CONVERTERS; ENERGY; CELL;
D O I
10.1007/s40565-017-0304-1
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Aiming to integrate the respective merits of the switched-capacitor converter and the quasi-Z-source converter. An novel high step-up quasi-Z-source DC-DC converter with a single switched-capacitor branch is proposed. Compared to other high boost DC-DC converters, the proposed converter can provide higher output voltage gain, lower current stress across the switches, and lower voltage stress across the output diodes by using the same or similar passive and active components. Therefore, the efficiency and reliability of the converter can be improved. The topological derivation, operating principle, parameter selection, and comparison with other DC-DC converters are presented. Finally, both simulations and experimental results are given to verify the characteristics of the proposed converter.
引用
收藏
页码:537 / 547
页数:11
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