崔杨;严干贵;孟磊;穆钢;

• 1:华北电力大学电气与电子工程学院
• 2:东北电力大学电气工程学院

摘要(Abstract)：

分析了双馈感应(doubly fed induction generator,DFIG)风电机组因转子回路撬棒保护动作诱发机组脱网的过程,撬棒保护动作远快于定子并网接触器动作,因而机组脱网前存在短时鼠笼异步运行状态的现象。建立了双馈感应发电机DFIG正常运行状态及鼠笼异步运行状态的数学模型,分析了双馈感应风电机组脱网时对电网的无功需求,总结了机组异常脱网时的转差–无功特性。最后提出了风电场无功补偿措施,如配置无功补偿设备等。

关键词(KeyWords)： 双馈感应风电机组;撬棒保护;鼠笼异步运行;无功补偿

Abstract:

Keywords:

基金项目(Foundation): “十一五”国家科技支撑计划重大项目(2008BAA14B01);; 国家自然科学基金项目(60934005)~~

作者(Author): 崔杨;严干贵;孟磊;穆钢;

Email:

DOI: 10.13335/j.1000-3673.pst.2011.01.025

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