Suzhou Electric Appliance Research Institute
期刊号: CN32-1800/TM| ISSN1007-3175

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提高双馈风力发电机低电压穿越能力技术分析

来源:电工电气发布时间:2016-03-10 14:10 浏览次数:11

提高双馈风力发电机低电压穿越能力技术分析 

裴泽阳,王致杰,肖浩 
(上海电机学院 电气学院,上海 200240) 
 

摘 要: 针对双馈风力发电机(DFIG) 低电压穿越(LVRT) 难的问题,结合目前国内外发展现状分析了电网电压跌落对DFIG 的影响,指出针对这一影响目前常用到的几种解决办法,并结合目前国内外风电发展方向,给出了两种更具综合意义的解决方法,一是采用柔性直流的并网方式,二是添加基于超级电容的动态电压补偿器。
关键词: 双馈风力发电机;低电压穿越;柔性直流;动态电压补偿器
中图分类号:TM315 文献标识码:A 文章编号:1007-3175(2015)07-0001-05


Technical Analysis of Improving Ability of Double-Fed Induction Generator Low Voltage Ride Through 

PEI Ze-yang, WANG Zhi-jie, XIAO Hao 
(School Electrical Engineering, Shanghai Dianji University, Shanghai 200240, China) 
 

Abstract: In allusion to the hard problem of double-fed induction generator (DFIG) low voltage ride through(LVRT), combining with the current situation of the development at home and abroad, this paper analyzed the impact of grid voltage drop on DFIG, pointing out several kinds of solutions on the influence of this question. Combining with the current development orientation of wind power at home and abroad, this paper gave two more comprehensive meaning solutions. One is to use the flexible direct current interconnection, and the other is to add the dynamic voltage compensator based on super capacitors.
Key words: double-fed Induction generator; low voltage ride through; flexible direct current; dynamic voltage compensator


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