A Dual-Input High Step-Up DC/DC Converter With ZVT Auxiliary Circuit

被引：83

作者：

Zhu, Binxin ^{[1
]}

Zeng, Qingdian ^{[1
]}

Chen, Yao ^{[1
]}

Zhao, Yuhui ^{[1
]}

Liu, Song ^{[1
]}

机构：

[1] China Three Gorges Univ, Coll Elect Engn & New Energy, Yichang 443002, Peoples R China

来源：

IEEE TRANSACTIONS ON ENERGY CONVERSION | 2019年 / 34卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Zero voltage turn-off; photovoltaic; dual-input maximum power point tracking; DC-DC CONVERTER; HIGH-VOLTAGE-GAIN; INTERLEAVED BOOST CONVERTERS; HIGH-EFFICIENCY;

D O I：

10.1109/TEC.2018.2876303

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A dual-input high step-up DC/DC converter with zero voltage turn-off (ZVT) auxiliary circuit is presented in this paper. The cost of whole photovoltaic (PV) power could be decreased significantly by the proposed converter because it allows two PV panels to be connected at the same time. ZVT auxiliary circuit provides soft switching in a wide range of load variations with six passive components. Turn-off switching losses could be decreased and the efficiency of the whole converter could be improved. In Section II, the operation principle and performance characteristics of the proposed converter have been analyzed and an 800 W experimental prototype has been built to validate the analytical results in Section III. In Section IV, a dual-input maximum power point tracking (DMPPT) control algorithm has been designed for the proposed converter. Experimental results show that two PV panels can achieve the maximum power output state separately by the proposed DMPPT control algorithm.

引用

页码：161 / 169

页数：9

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