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风电引起的电压波动与闪变的仿真研究
引用本文:吴义纯,丁明.风电引起的电压波动与闪变的仿真研究[J].电网技术,2009(20).
作者姓名:吴义纯  丁明
作者单位:安徽电气工程职业技术学院;合肥工业大学电气与自动化工程学院;
基金项目:国家自然科学基金资助项目(50837001); 安徽省高等学校青年教师科研资助计划(2007jq1192)~~
摘    要:风能存在随机性,大规模风电并网后会引起附近电网电压波动,风况、风电机组特性和电网状况会对风电引起的电压波动与闪变有影响。文章从风能和风力发电机组特性出发,建立了含风电机组的电网仿真模型,基于Matlab/Simulink搭建了仿真模型,研究了风电场所接入电网状况对风电引起的电压波动与闪变的影响。算例结果表明,系统短路容量和线路电抗与电阻比等对风电场的电压波动与闪变有较大的影响,通过选取合适的并网点和电压等级、合适的线路电抗与电阻比,能够有效抑制风电引起的电压波动与闪变。

关 键 词:风力发电  电能质量  电网状况  电压波动与闪变  Matlab/Simulink  

Simulation Study on Voltage Fluctuations and Flicker Caused by Wind Farms
WU Yi-chun,DING Ming.Simulation Study on Voltage Fluctuations and Flicker Caused by Wind Farms[J].Power System Technology,2009(20).
Authors:WU Yi-chun  DING Ming
Affiliation:WU Yi-chun1,DING Ming2(1.Anhui Electrical Engineering Professional Technique College,Hefei 230022,Anhui Province,China,2.School of Electrical Engineering and Automation,Hefei University of Technology,Hefei 230009,China)
Abstract:Due to the randomicity of wind power energy,the voltage fluctuation of power grid will occur after large-scale wind farms are connected with power grid.The factors such as wind regime,characteristics of wind power generators and system condition of power gird impact the voltage fluctuation and flicker caused by wind power generation.Based on the features of wind power and characteristics of wind power generators,a simulation model of power grid in which the wind power generation units are included is built....
Keywords:wind power generation  power quality  state of power grid  voltage fluctuations and flicker  Matlab/Simulink  
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