Optimized Power and Capacity Configuration Strategy of a Grid-Side Energy Storage System for Peak Regulation

Feng Guo, Jian Li, Chi Zhang, Yizhi Zhu, Caiyang Yu, Qingsong Wang () and Giuseppe Buja
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Feng Guo: Taizhou Power Supply Company, State Grid Zhejiang Electric Power Co., Ltd., Taizhou 318000, China
Jian Li: Taizhou Power Supply Company, State Grid Zhejiang Electric Power Co., Ltd., Taizhou 318000, China
Chi Zhang: Taizhou Power Supply Company, State Grid Zhejiang Electric Power Co., Ltd., Taizhou 318000, China
Yizhi Zhu: Taizhou Power Supply Company, State Grid Zhejiang Electric Power Co., Ltd., Taizhou 318000, China
Caiyang Yu: Taizhou Power Supply Company, State Grid Zhejiang Electric Power Co., Ltd., Taizhou 318000, China
Qingsong Wang: School of Electrical Engineering, Southeast University, Nanjing 210096, China
Giuseppe Buja: Department of Industrial Engineering, University of Padova, 35131 Padova, Italy

Energies, 2023, vol. 16, issue 15, 1-13

Abstract: The optimal configuration of the rated capacity, rated power and daily output power is an important prerequisite for energy storage systems to participate in peak regulation on the grid side. Economic benefits are the main reason driving investment in energy storage systems. In this paper, the relationship between the economic indicators of an energy storage system and its configuration is first analyzed, and the optimization objective function is formulated. Then, according to the objective limitations of the energy storage system configuration and operation, the constraints are formulated. A set of typical parameters is selected, and the CPLEX (IBM ILOG CPLEX Optimization Studio) solver is used in MATLAB to solve the optimal configuration results. Several sets of optimization results are obtained by taking different subjective coefficient β values, and the economic and social benefits of the optimization results are analyzed. When the economic benefits of the energy storage system are more important, the value of β needs to be smaller, such as a value of 1000. Conversely, when the peak-regulation effect is more important, the value of β should be larger. Finally, configuration results of the control groups are given, and the effect of optimizing the calculation for improving economic benefits is verified.

Keywords: energy storage; optimize configuration; peak regulation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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