Multi-criteria Comprehensive Evaluation of Multi-energy Complementary System Based on AHP-EWM and TOPSIS Method

doi:10.11930/j.issn.1004-9649.202212004

Abstract

Abstract: The operation strategy of multi-energy complementary system affects the economy, environment and energy utilization efficiency of power system. To select an optimal operation strategy of the multi-energy complementary system, firstly, the index weights were determined by the integrated weight method combining the analytic hierarchy process and the entropy weight method, and the TOPSIS was introduced to rank the operation strategies. Secondly, the operation strategies of the following thermal load (FTL), following electric load (FEL), and following operation cost (FOC) were analyzed. Finally, the optimal operation strategy of six typical days was determined and a year-round optimum hybrid operation strategy was obtained by optimizing an electricity-gas coupling multi-energy complementary system. The results show that it is better to choose the FEL in the heating season, while it is better to choose the FOC in the cooling season and transition season. It can be concluded from analysis of the annual operation cycle that the hybrid operation strategy has better comprehensive performance than the single operation strategy.

Key words: multi-energy complementary system, operation strategy, analytic hierarchy process, entropy weight method, TOPSIS

JIA Kaihua, YU Yunxia, FAN Xiubo, LI Maoxuan, WANG Dong, TANG Cuicui, JI Zhang. Multi-criteria Comprehensive Evaluation of Multi-energy Complementary System Based on AHP-EWM and TOPSIS Method[J]. Electric Power, 2023, 56(7): 228-238.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202212004

https://www.electricpower.com.cn/EN/Y2023/V56/I7/228

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