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静止无功发生器在风电场电网故障时作用的研究
引用本文:王兴贵,宋磊,郑伟,拜润卿.静止无功发生器在风电场电网故障时作用的研究[J].电网与水力发电进展,2012,28(8):64-67.
作者姓名:王兴贵  宋磊  郑伟  拜润卿
作者单位:兰州理工大学 电气工程与信息工程学院, 甘肃 兰州 730050;兰州理工大学 电气工程与信息工程学院, 甘肃 兰州 730050;甘肃电力科学研究院, 甘肃 兰州 730050;甘肃电力科学研究院, 甘肃 兰州 730050
基金项目:甘肃省自然科学基金项目资助(1014RJZA031)
摘    要:分析了双馈异步发电机(DFIG)在电网电压跌落时的暂态过程,通过人工接地短路试验测试了风电场升压站内110 kV母线电压和风机出口处电压、电流的故障波形。针对风电场在故障时存在的问题,对静止无功发生器(SVG)在提高DFIG低电压穿越能力中的作用进行了仿真,并通过现场试验对仿真的结论进行了验证。

关 键 词:双馈异步发电机    暂态过程    低电压穿越    静止无功发生器

Effects of STATCOM on Wind Farm Grid in Fault Conditions
Authors:WANG Xing-gui  SONG Lei  ZHENG Wei and BAI Run-qing
Affiliation:1. College of Electrical and Information Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, China; 2. Gansu Electric Power Research Institute, Lanzhou 730050, Gansu, China)
Abstract:The paper, analyzes the transient course of the doubly-fed induction generator (DFIG) under fault conditions is analyzed, and tests the voltage on the 110 kV Bus of the boost station and the fault waveforms of the voltage and current at the feed-out of the wind turbine through the artificial shortcircuit test, the voltage on the 110 kV Bus of the boost station and the fault waveforms of the voltage and current at the feedout of the wind turbine within the are tested. Targeting at the problem of the wind farm under fault conditions, the effects of static var generator (SVG) in improving the low voltage ride through ability are simulated, and the simulation results are verified with the site experiment.
Keywords:doubly-fed induction generator (DFIG)  transientprocess  low voltage ride through(LVRT)  static vargenerator (SVG)
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