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Small signal dynamic modelling and additionaller damping controller designing for large wind generation system based on DFIG
Author(s): 
Pages: 127-133
Year: Issue:  18
Journal: Relay

Keyword:  大规模风电场广域阻尼控制器极点配置系统辨识低频振荡双馈风力发电机;
Abstract: 由于风电场输出功率的波动性及远距离输电等原因,大规模风电场接入互联电力系统后会面临不同区域电网间的低频振荡问题.建立了大型双馈风力发电系统的小信号动态模型,该模型包括风力机及传动系统动态方程、异步发电机动态方程、变频器动态方程以及变频器控制系统动态方程4个部分,具有一般性.以双馈风力发电机转子侧变流器有功功率参考值为输入,以互联电力系统区域间同步发电机功角差值为输出,通过系统辨识方法得到二者间的开...
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