High-Efficiency DC-DC Converter With Fast Dynamic Response for Low-Voltage Photovoltaic Sources

被引：37

作者：

Choi, Woo-Young ^{[1
]}

机构：

[1] Chonbuk Natl Univ, Div Elect Engn, Jeonju 561756, South Korea

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2013年 / 28卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

DC-DC converter; dynamic response; photovoltaic (PV); power efficiency; SYSTEM; INVERTER;

D O I：

10.1109/TPEL.2012.2201504

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：

This paper proposes a high-efficiency dc-dc converter with fast dynamic response for low-voltage photovoltaic (PV) sources. The voltage stress of power switches is reduced at low-voltage side. Zero-current turn-off of output diodes is achieved at high-voltage side. Power efficiency is improved by reducing switching power losses. A modified proportional and integral controller is also suggested to achieve fast output voltage control. The dynamic response of the proposed converter is improved. The performance of the proposed converter is verified based on an experimental prototype for a 200-W PV module.

引用

页码：706 / 716

页数：11

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