This study was supported by Science Founda-tion of Jiangsu Province(No.BK2011137);National Key Technology R&D Program(No.2011BAA07B03);State Grid Corporation of China,2012 research and demonstration project on the key technol-ogies for large scale grid friendly wind farms.
With the development of wind energy,it is necessary to develop equivalent models to represent dynamic behaviors of wind farms in power systems.The equivalent wind method is investigated for the aggregation of doubly-f...