A MOSFET Transformerless Inverter with Reactive Power Capability for Micro-inverter Applications

被引：0

作者：

Chen, Baifeng ^{[1
]}

Zheng, Cong ^{[1
]}

Gu, Bin ^{[1
]}

Zhang, Lanhua ^{[1
]}

Lai, Jih-Sheng ^{[1
]}

机构：

[1] Virginia Polytech Inst & State Univ, Bradley Dept Elect & Comp Engn, Blacksburg, VA 24060 USA

来源：

2015 THIRTIETH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2015) | 2015年

关键词：

high efficiency; reactive power; transformerless inverter; photovoltaic;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The state-of-the-art transformerless inverters can use MOSFET to achieve high efficiency, but difficult to do reactive power generation for upcoming standards. This paper proposed a MOSFET based transformerless inverter and a novel PWM modulation method for reactive power generation. PWM modulation and circuit operation are then detailed under reactive power generation condition. Ground loop voltage is derived with common mode and differential model circuit analysis. The hardware prototype of a two-stage micro-inverter with the proposed MOSFET inverter as the secondary stage has been designed. The experiment results demonstrate the reactive power capability, high efficiency, and high-frequency component free of the ground loop voltage of the proposed transformerless inverter.

引用

页码：658 / 665

页数：8

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