电工技术学报  2016, Vol. 31 Issue (18): 75-82    DOI:
电力电子 |
一种单级隔离型Sepic逆变器
王立乔, 祝百年, 孙孝峰
燕山大学电力电子节能与传动控制河北省重点实验室 秦皇岛 066004
A Single-Stage Isolated Sepic Inverter
Wang Liqiao, Zhu Bainian, Sun Xiaofeng
Key Lab of Power Electronics for Energy Conservation and Motor Drive of Hebei Province Yanshan University Qinhuangdao 066004 China
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摘要 提出了一种新型单级隔离型Sepic逆变器。该逆变器只需三个有源开关和一个高频变压器,结构简单、易于实现。该逆变器由直流Sepic变换器扩展而来,因而具有升降压能力,适于直流侧电压宽范围波动的可再生能源发电系统。介绍了所提逆变器的电路结构和工作原理,采用单周期控制实现了系统的闭环控制;给出了该逆变器的磁集成设计方案;在理论分析的基础上,进行了仿真和实验验证。仿真和实验结果表明,该逆变器具有良好的动、静态性能。
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王立乔
祝百年
孙孝峰
关键词 单级隔离型Sepic逆变器 可再生能源发电系统 直流侧电压宽范围变化 单周期控制 磁集成    
Abstract:A novel single-stage isolated Sepic inverter is proposed. The proposed inverter only needs three power devices and a high frequency transformer. Its structure is simple and easy to implement. As derived from Sepic DC converter, the proposed inverter is of the ability to buck/boost input voltage and is much suitable for renewable resource generation system with DC link voltage of wide range fluctuation. The circuit structure and operation principle are introduced. One cycle control is applied to realize the closed-loop control. The magnetic integration design scheme of the proposed inverter is presented. Simulation and experiments are performed. The results indicate that the proposed inverter is of excellent dynamic and stable performance.
Key wordsSingle-stage isolated Sepic inverter    renewable resource generation system    wide range fluctuation of DC voltage    single cycle control    magnetic integration   
收稿日期: 2014-08-27      出版日期: 2016-10-13
PACS: TM464  
基金资助:国家自然科学基金(50837003)和河北省自然科学基金(E2012203085)资助项目
通讯作者: 王立乔 男,1974年生,博士,教授,研究方向为高频功率变换、大功率变流及其调制、可再生能源发电及微电网控制。E-mail: brent@ysu.edu.cn(通信作者)   
作者简介: 祝百年 男,1986年生,硕士,研究方向为逆变电源。E-mail: zbn228@yahoo.com.cn
引用本文:   
王立乔, 祝百年, 孙孝峰. 一种单级隔离型Sepic逆变器[J]. 电工技术学报, 2016, 31(18): 75-82. Wang Liqiao, Zhu Bainian, Sun Xiaofeng. A Single-Stage Isolated Sepic Inverter. Transactions of China Electrotechnical Society, 2016, 31(18): 75-82.
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