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Energy storage is one of the key technologies supporting the operation of future power energy systems. The practical engineering applications of large-scale energy storage power stations are increasing, and evaluating their actual operation effects is of great significance. In order to scientifically and reasonably evaluate the operational effectiveness of grid side energy storage power stations, an evaluation method based on the combined weights TOPSIS model is proposed. Firstly, based on a brief introduction of the Jiangsu Zhenjiang energy storage power station project, a relatively complete evaluation indicator system has been established, including three aspects: charging and discharging effect, energy efficiency, and reliability; secondly, the subjective and objective weights of the indicators were calculated using Analytic Hierarchy Process and Entropy Weight Method, respectively. The combination weights were optimized using a combination weighting method based on game theory; then, the combined weights TOPSIS model is used to evaluate the actual operation effect of the power stations; finally, the actual operation data of Zhenjiang energy storage power station was analyzed, and the results verified the rationality and effectiveness of the proposed indicators and evaluation methods.
Wang et al. (Thu,) studied this question.