Abstract
Wind power generation is featured by variability, uncertainty, difficult to control and abundance at off-peak hours. These present challenges in large scale integration of wind power into electrical grids including peak-shaving, safety and grid stability, which contribute to serious wind power curtailment and reduction in economic benefits of many wind farms. Vanadium redox flow battery energy storage systems provide a solution to smooth the power output of wind farms and enhance the capability of tracking generation plan coordinate with the power forecasting system which are helpful to integration of wind power. This paper gives an introduction to the 5 MW/10 MW·h all-vanadium redox flow battery energy storage power station, co-developed by Dalian Rongke Power Co. Ltd. and Dalian Institute of Chemical Physics of Chinese Academy of Sciences, for Woniushi wind farm of China Guodian Longyuan Power Group. This all-vanadium redox flow battery system is currently the world's largest one.
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