Configuration and investment benefit analysis of decentralized shared energy storage for multiple types of industrial users

被引：0
|
作者：
Liu Y. [1 ]
Dai H. [1 ]
Liu Z. [1 ]
Liu R. [1 ]
机构：
[1] Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming
来源：
Liu, Zhijian (248400248@qq.com) | 1600年 / Electric Power Automation Equipment Press卷 / 41期
关键词：
Cooperative game; Decentralized shared energy storage; Industrial users; Optimal configuration; Rate of return on investment; Shapley value method; Time-sharing subsidy strategy;
D O I：
10.16081/j.epae.202110004
中图分类号：
学科分类号：
摘要：
Aiming at the problems of traditional integrated shared energy storage system, such as poor flexibility and unable to take into account the different electricity demand of multiple types of users, an optimal configuration and scheduling method of decentralized shared energy storage system is proposed. Aiming at the problem that users cheat the benefits of energy storage subsidy through the loopholes of subsidy policy, an improved time-sharing subsidy strategy is proposed on the basis of the existing government subsidy policy. Firstly, the energy interaction mechanism between the distributed shared energy storage system and multiple industrial users is analyzed in depth with the application background of industrial park. Then, a cooperative game-based month-ahead and day-ahead two-stage optimization scheduling model is constructed to maximize the overall net profit of multiple users, and the cooperative profit is distributed by Shapley value method.Furthermore, the energy storage investment evaluation method is designed, which takes the life cycle net profit, the dynamic investment payback period and the rate of return on investment of energy storage as the indexes. Finally, the effectiveness of the proposed method is verified by comparing the configuration cost and operation economy of the integrated shared energy storage and the distributed shared energy storage. The numerical results show that the proposed configuration method of distributed shared energy storage is advanced in reducing the initial investment cost and electricity cost of industrial users, and the proposed improved time-sharing subsidy strategy is effective in preventing users from speculation and fraud. It has theoretical guiding significance for promoting the diversified development of user-side energy storage. © 2021, Electric Power Automation Equipment Press. All right reserved.
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页码：256 / 264
页数：8
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