Research on Current Control of Photovoltaic Grid-connected Inverter

被引：0
|
作者：
Zhang, Yan [1 ]
Wang, Wei [2 ]
Wang, Shitao [1 ]
机构：
[1] State Grid China Technol Coll, Jinan, Peoples R China
[2] Shandong Elect Power Econ Res Inst, Jinan, Peoples R China
来源：
ADVANCES IN ENERGY SCIENCE AND TECHNOLOGY, PTS 1-4 | 2013年 / 291-294卷
关键词：
Photovoltaic (PV) system; inverter; grid-connected; grid-voltage feed-forward control;
D O I：
10.4028/www.scientific.net/AMM.291-294.2446
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：
Grid-voltage feed-forward control was added to improve the grid-connected current quality of the photovoltaic grid-connected inverter. The method decreases the phase difference between the grid-connected current and grid voltage and reduces the total harmonics distortion (TEED) of grid-connected current. So the grid-voltage feed-forward compensation can improve grid-connected current availably and keep the current frequency and phase synchronous to the grid. The study is validated through simulations and field experiments. Experimental results obtained on 2.5-kw inverter demonstrate the feasibility of the proposed method.
引用
收藏
页码：2446 / +
页数：2
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