A High Step-up PWM DC-DC Converter With Coupled-Inductor and Resonant Switched-Capacitor

被引：96
作者：
Ye, Yuanmao [1 ]
Cheng, K. W. E. [2 ]
Chen, Sizhe [1 ]
机构：
[1] Guangdong Univ Technol, Sch Automat, Guangzhou 510006, Guangdong, Peoples R China
[2] Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2017年 / 32卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Coupled-inductor; dc-dc converter; soft-switching; switched-capacitor; HIGH-VOLTAGE GAIN; EFFICIENCY;
D O I：
10.1109/TPEL.2016.2633381
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：
In this paper, a novel high step-up pulse width modulation dc-dc converter integrating coupled-inductor and switched-capacitor (SC) techniques is presented. The proposed converter consists of a synchronous rectification Boost unit and multiple coupled-inductor-SC units. Its structure can therefore be easily extended for ultrahigh voltage gain. The diodes employed in the proposed converter can operate under soft-switching condition by utilizing leakage inductance of the coupled inductor. Low-voltage-rated transistors can be used to improve the efficiency as the voltage stress on the main switches of the proposed converter is reduced. The feasibility of the proposed converter is experimentally demonstrated by a 200 W prototype converter.
引用
收藏
页码：7739 / 7749
页数：11
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