一种基于辅助网络的软开关二次型Boost高增益变换器

doi:10.19595/j.cnki.1000-6753.tces.160513

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Abstract By adding an auxiliary circuit to the novel quadratic Boost converter based on the reduced redundant power processing (R²P²) principle, a soft-switched high step-up quadratic Boost converter with auxiliary circuit is proposed in this paper. This converter can not only reduce the overall power loss but also achieve zero-voltage-switched (ZVS) turn-on of active switches and zero-current-switched (ZCS) turn-off of output diodes, reducing switching loss. Owing to the output-series of the auxiliary circuit and the novel quadratic converter, the proposed converter can achieve high voltage gain and low switch stress. Thus, a low-voltage-rated MOSFET can be utilized to improve the efficiency and reduce the cost. The operating characteristics of steady-state, requirement of the ZVS and the duty ratio loss of the proposed converter are analyzed in detail. Experimental results of a 100W prototype are presented to verify the analysis of the proposed converter.

Key words： Soft-switched high step-up voltage gain quadratic Boost converter reduced redundant power processing (R2P2) principle

Published: 16 January 2018

PACS:

TM46

Fund:国家自然科学基金项目（51177140、61371033）和中央高校基本科研业务费专项资金科技创新项目（2682015CX024）资助

Corresponding Authors: 张建丰男,1991年生,硕士研究生,研究方向为电力电子与电力传动。E-mail: jfzhang_pece@163.com

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	Zhang Jianfeng
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	Li Ninghao

Cite this article:

Zhang Jianfeng,Xu Jianping,Zhou Xiang等. A Soft-Switched High Step-Up Quadratic Boost Converter with Auxiliary Circuit[J]. Transactions of China Electrotechnical Society, 2017, 32(24): 71-79.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.160513 OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I24/71

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