An efficient and economical storage and energy sharing model for multiple multi-energy microgrids

被引:68
作者
Cao, Wenzhi [1 ,2 ]
Xiao, Jiang-Wen [1 ,2 ]
Cui, Shi-Chang [1 ,2 ]
Liu, Xiao-Kang [1 ,2 ]
机构
[1] Huazhong Univ Sci & Technol, Sch Artificial Intelligence & Automat, Wuhan 430074, Peoples R China
[2] Huazhong Univ Sci & Technol, Key Lab Image Proc & Intelligent Control, Minist Educ, Wuhan 430074, Peoples R China
关键词
Multi-energy microgrids; Storage sharing; Energy sharing; Optimization; Nash bargaining; SYSTEM; MANAGEMENT; STRATEGY;
D O I
10.1016/j.energy.2022.123124
中图分类号
O414.1 [热力学];
学科分类号
摘要
Multi-energy microgrids are facing a dilemma that realizing high local energy efficiency requires large-capacity ESS with hefty investment costs. To address the dilemma, an efficient and economic hybrid storage and energy sharing model for multiple microgrids is proposed. Specificly, a hybrid energy storage system (HESS) is introduced, which contains an electrical battery and a heat storage tank and is able to realize energy conversion. The multiple microgrids can share energy through the HESS in a collaborative way. An energy optimization problem is formulated to minimize the overall energy costs including energy purchase cost and HESS operating cost. ADMM algorithm is used to solve the problem in a distributed manner to avoid privacy concerns. The storage and energy sharing benefits of the microgrids and the HESS are determined by Nash bargaining solution. Simulation results show that the model can effectively improve the utilization of the renewable energy, and lead to considerable economic benefits for both the microgrids and the HESS.(c) 2022 Elsevier Ltd. All rights reserved.
引用
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页数:11
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