A Function Decoupling Partially Isolated High Voltage Gain DC/DC Converter for PV Application

被引：1
|
作者：
Wei, Yuqi [1 ]
Luo, Quanming [2 ]
Mantooth, Alan [1 ]
机构：
[1] Univ Arkansas, Fayetteville, AR 72701 USA
[2] Chongqing Univ, Chongqing, Peoples R China
来源：
2020 IEEE TRANSPORTATION ELECTRIFICATION CONFERENCE & EXPO (ITEC) | 2020年
关键词：
High voltage gain; LLC converter; function decoupling; RESONANT-FREQUENCY TRACKING; BOOST CONVERTER;
D O I：
10.1109/itec48692.2020.9161728
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：
Traditionally, the maximum voltage gain for a boost converter is limited due to a few parameters. Some of these are the extreme duty cycle, high components stress. In this paper, a novel DC/DC converter with high voltage gain is proposed. It consists of an LLC resonant converter and an auxiliary non-inverting buck-boost converter. For the proposed converter, the LLC converter is designed to operate at resonant frequency to achieve high efficiency conversion, while buck-boost converter is used to achieve output voltage regulation. Then, the design considerations by taking the soft switching for semiconductors and root-mean-square (RMS) current limitation are presented. Finally, experimental results from a 400 W laboratory prototype were performed.
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页数：5
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