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

页码：36 / 39

页数：4

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