Wind Farm Reliability Evaluation Considering Operation Characteristics of Battery Energy Storage Devices
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Based on time series model of output power of wind farm containing battery energy storage system,two series models to assess reliability of the wind farm containing power-type battery energy storage system and energy-type battery energy storage system are built respectively.Taking RTBS as calculation example,the reliability improvement extents of wind farm by the two kinds of battery energy storage systems are analyzed while three kinds of energy storage strategies are applied,and the impacts of operation parameters of energy storage system on reliability of wind power generation system are further analyzed.Calculation results of RBTS show that under the same capacity of battery energy storage system the reliability improvement extents of wind farm are not identical;under the same energy storage strategy the energy-type battery energy storage system can improve wind farm reliability better;operation parameter variation of battery energy storage system affects reliability index of wind farm a certain extent.