Research of three-loop Control Method Of PV Grid-connected Inverter

被引：0
|
作者：
Yi Lingzhi [1 ]
Li Ming [1 ]
Liu Xiang [1 ]
Deng Dong [1 ]
Yao Zhezhi [1 ]
机构：
[1] Xiangtan Univ, Coll Informat Engn, Xiangtan 410005, Hunan, Peoples R China
来源：
2010 CHINESE CONTROL AND DECISION CONFERENCE, VOLS 1-5 | 2010年
关键词：
Three-loop Control; Hysteresis Band; PV grid-connected Inverter;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The traditional control method for PV grid-connected inverter is two closed loop, if this control method is used for PV grid-connected system, the indication of slow response or increased troubles of system design which is caused by instability of switching frequency. This paper presents a three-loop control to overcome such problems, voltage external loop, current middle loop and frequency inner loop are included, this method can solve above-mentioned disadvantages and make the output current THD of grid-connected inverter is a little value. Through building a mathematic model for the PV grid-connected system, the MATLAB/SIMULINK simulation results show that the presented control method is feasible and effective.
引用
收藏
页码：4281 / 4285
页数：5
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