Comprehensive Benefit Evaluation of Hybrid Pumped-Storage Power Stations Based on Improved Rank Correlation-Entropy Weight Method

Yudong Tan, Guosheng Xie, Yunhao Xiao, Yi Luo (), Xintao Xie and Ming Wen
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Yudong Tan: Hunan Key Laboratory of Energy Internet Supply and Demand Operation, Economic and Technical Research Institute of State Grid Hunan Electric Power Co., Changsha 410004, China
Guosheng Xie: State Grid Hunan Electric Power Co., Changsha 410004, China
Yunhao Xiao: School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 410004, China
Yi Luo: School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 410004, China
Xintao Xie: State Grid Hunan Electric Power Co., Changsha 410004, China
Ming Wen: Hunan Key Laboratory of Energy Internet Supply and Demand Operation, Economic and Technical Research Institute of State Grid Hunan Electric Power Co., Changsha 410004, China

Energies, 2022, vol. 15, issue 22, 1-17

Abstract: Over the past decade, the growth of new power plants has become a trend, with new energy stations growing particularly fast. In order to solve the problem of electricity consumption, the development of hybrid pumped storage based on hydropower stations has become a focus, so it is necessary to evaluate and analyze its technical and economic characteristics. Based on the characteristics of pumped-storage power stations, this paper proposes a comprehensive benefit evaluation model for the functional, financial, and environmental benefits. The model uses the fuzzy Delphi method to improve the rank correlation analysis method and introduces the entropy weighting method, calculating the comprehensive weight of indicators by the subjective and objective combination weighting method. The fuzzy comprehensive evaluation method is used to establish a comprehensive evaluation model and calculate the comprehensive benefit evaluation grade of hybrid pumped-storage power plants. Finally, the practicality and validity of the evaluation model are verified through case studies, and the technical and economic characteristics and superiority of the hybrid pumped-storage power plants are analyzed based on the evaluation results.

Keywords: hybrid pumped-storage power station; comprehensive benefit evaluation; rank correlation analysis method; entropy weight method; fuzzy Delphi method (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: 2022
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