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Published in:
2014 | OriginalPaper | Chapter
Study on Distribution Coefficient in Regulation Services with Energy Storage System
Authors : Shaojie Tan, Xinran Li, Ming Wang, Yawei Huang, Tingting Xu, Xingting Cheng
Published in: Pattern Recognition
Publisher: Springer Berlin Heidelberg
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Renewable energies like wind power and PV come with great fluctuation and uncertainties, and their penetration into power system has brought great challenge to the security and stability of the grid. Energy storage system (ESS) possesses the ability to track power accurately with nearly no delay, which makes it capable of providing regulation services of high quality. Taking into account the State of Charge (SOC) of ESS, this paper analyzes the regulation signal and processes it with blocks of delay, filter, clipping and so on, presenting a method to determine the distribution coefficient of ESS and conventional generator (CG) dynamically based on the available regulation capacity, and an aggregative indicator is used to evaluate the relating effects and SOC maintaining effects. Simulation results show the method proposed can improve the regulation service and maintain the SOC within a desired range, providing technical support to the optimized operation of the grid.