Design and Control Scheme of Three-phase Photovoltaic Grid-connected Inverter

被引：0

作者：

Meng Wei ^{[1
]}

Meng Lei ^{[2
]}

Chen Changzhe ^{[3
]}

机构：

[1] Wuhan Univ Technol, Sch Automat, Wuhan 430070, Peoples R China

[2] Wuhan Univ Technol, Sch Informat Engn, Wuhan 430070, Peoples R China

[3] China City Environm Protect Engn Ltd Co, Wuhan 430077, Peoples R China

来源：

ADVANCES IN APPLIED SCIENCES AND MANUFACTURING, PTS 1 AND 2 | 2014年 / 850-851卷

关键词：

unbalanced load; three-phase four-leg inverter; 3D-SVPWM; ENERGY;

D O I：

10.4028/www.scientific.net/AMR.850-851.445

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

With the development of power electronics technology, a variety of unbalanced load are connected to the grid, causing the grid voltage imbalance and power quality decline, seriously affect the user's normal use. Traditional three-leg inverter can output three-phase symmetrical voltage in the case of three-phase symmetrical load. But it is difficult to output three-phase symmetrical voltage when the three-phase load is asymmetric. In order to solve the impact of unbalanced load on the power quality, the three-phase four-leg inverter which is obtained with the addition of a bridge arm on the basis of traditional three-leg inverter is adopted in this paper. Therefore, the three-phase symmetrical voltage can be acquired in the case of unbalanced load, at the same time, with the advantages of simple structure, small size, light weight, higher voltage utilization.

引用

页码：445 / +

页数：2

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