High-Efficiency Inverter with H6-Type Configuration for Photovoltaic Non-Isolated AC Module Applications

被引：80

作者：

Yu, Wensong ^{[1
]}

Lai, Jih-Sheng ^{[1
]}

Qian, Hao ^{[1
]}

Hutchens, Chris ^{[1
]}

Zhang, Jianhui ^{[2
]}

Lisi, Gianpaolo ^{[2
]}

Djabbari, Ali ^{[2
]}

Smith, Greg ^{[2
]}

Hegarty, Tim ^{[2
]}

机构：

[1] Virginia Polytech Inst & State Univ, Bradley Dept Elect & Comp Engn, Blacksburg, VA 24061 USA

[2] Natl Semicond Corp, Santa Clara, CA 95051 USA

来源：

2010 TWENTY-FIFTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2010年

关键词：

CONVERTER; INTERFACE;

D O I：

10.1109/APEC.2010.5433372

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：

A novel, high-efficiency inverter using MOSFETs for all active switches is presented for photovoltaic, non-isolated, ac module applications. The proposed H6-type configuration features high efficiency over a wide load range, low ground leakage current, no need for split capacitors, and low output ac-current distortion. The detailed power stage operating principles, PWM scheme, and novel bootstrap power supply for the proposed inverter are described. Experimental results of a 300 W hardware prototype show that not only are MOSFET body diode reverse-recovery and ground leakage current issues alleviated in the proposed inverter, but also that 98.3% maximum efficiency and 98.1% European Union efficiency are achieved.

引用

页码：1056 / 1061

页数：6

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