A novel control method of single-phase photovoltaic inverter

被引：0
|
作者：
Meng Jun [1 ,2 ]
Xu Xian-yong [2 ]
机构：
[1] Cent S Univ, Changsha 410000, Hunan, Peoples R China
[2] Hunan Elect Power Co, Changsha PT-410007, Peoples R China
来源：
2013 FOURTH INTERNATIONAL CONFERENCE ON INTELLIGENT SYSTEMS DESIGN AND ENGINEERING APPLICATIONS | 2013年
关键词：
Single-phase photovoltaic inverter; Reactive power compensation; Closed-loop control;
D O I：
10.1109/ISDEA.2013.415
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A compound control method taking reactive power compensation into account for single-phase photovoltaic(PV) inverter is proposed. According to the power balance principle of single-phase PV, the output third harmonic current of photovoltaic inverter can be corrected and eliminated by deducing the value of DC-side secondary ripple voltage. Based on the steady-state mathematical model of the single-phase inverter, the feed forward fundamental modulation signal of inverter can be calculated, and then the output current closed-loop control by using deadbeat controller is realized. As a result, the feed forward-feedback compound control method can achieve a fast and zero-error tracking of output current. The simulation results show that the compound control can effectively improve the dynamic performance of the single-phase PV inverter and perfect the power quality of the distribution grid.
引用
收藏
页码：36 / 39
页数：4
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