Modeling and Analysis of an LCL Filter for Grid-Connected Inverters in Wind Power Generation Systems

被引：0
|
作者：
Liu, Bochuan [1 ]
Song, Byeong-Mun [1 ]
机构：
[1] Baylor Univ, Dept Elect & Comp Engn, Waco, TX 76798 USA
来源：
2011 IEEE POWER AND ENERGY SOCIETY GENERAL MEETING | 2011年
关键词：
Wind power; grid-connected wind energy; grid-connected inverter; LCL filter; PR controller;
D O I：
暂无
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：
This paper presents the modeling and analysis of a three-phase grid-connected wind energy conversion system using Matlab. The modeled system is characterized and analyzed for validation. An inverter control algorithm for effective power control is also proposed and evaluated. An LCL filter is designed to reduce the switching frequency ripple. But the LCL filter also makes the system unstable because of the zero impedance at the resonant frequency. Two current-loops with PR control strategy are analyzed in this paper to make sure the stability of the system. All analysis and evaluation have been conducted for a 3.5 kW power system with 208V grid voltage.
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页数：6
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