Method of Power System Energy Storage Configuration Based on Flexibility Promotion

doi:10.16182/j.issn1004731x.joss.201801030

Abstract

Abstract: To solve the problem of renewable energy access and aiming at system’s response capability to short-term uncertainty, power system flexibility and its evaluation index are defined. A method of energy storage configuration based on flexibility evaluation is proposed. The uncertainty from power supply is analyzed. Aiming at the uncertainty of renewable energy, a source flexibility evaluation index is defined. The principle and method of energy storage configuration are presented from the aspect of siting and sizing. The energy storage configuration model is created and solved considering both the system flexibility requirements and energy storage costs based on the evaluation of power flexibility. Finally, case study on IEEE 118-bus test system shows that the proposed method is effective.

Key words: renewable energy, uncertainty, flexibility promotion, energy storage configuration

CLC Number:

TM743

Sun Weiqing, Li Zhen, Tan Yiming, Lü Fenglei, Qiu Wenping, Li Hongzhong. Method of Power System Energy Storage Configuration Based on Flexibility Promotion[J]. Journal of System Simulation, 2018, 30(1): 235-241.

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