计及碳交易和新能源不确定性的多微电网合作运行优化策略

doi:10.11930/j.issn.1004-9649.202209050

摘要/Abstract

摘要： 大力发展可再生能源、持续推进碳减排工作成为电力系统的重要发展方向。针对当前电力系统在碳交易机制下未充分考虑新能源不确定性和多主体之间的利益互动关系，提出一种计及碳交易和新能源不确定性的多微电网合作运行优化策略。首先，考虑碳配额和碳交易机制，建立微电网模型，并采用机会约束方法考虑新能源不确定性。然后，基于微电网间的能量互动机理，利用纳什议价理论建立多微电网协同运行模型，并进一步分解成2个易于求解的子问题，即多微电网系统收益最大化子问题和利润分配子问题，采用交替方向乘子法进行分布式求解，以充分保护各主体隐私。最后，仿真结果表明：所提策略可以有效减少系统碳排放量，提高各主体运行效益并兼顾一定的鲁棒性。

关键词: 微电网, 低碳运行, 碳交易, 纳什议价, 交替方向乘子法, 协同运行

Abstract: Vigorously developing renewable energy and continuously promoting carbon emission reduction have become important development directions of the power system. Since the current power system under the carbon trading mechanism does not fully consider the interest interaction between multiple entities and renewable energy uncertainties, this paper proposes a multi-microgrid cooperative operation optimization strategy considering carbon trading and renewable energy uncertainties. Firstly, the carbon quota and carbon trading mechanism are considered, and the microgrid model is established. The chance constraint method is adopted to consider renewable energy uncertainties. Then, according to the energy interaction mechanism between microgrids, the multi-microgrid cooperative operation model is established by using Nash bargaining theory and further decomposed into two sub problems that can be easily solved, namely, the multi-microgrid system revenue maximization and the profit distribution. The alternating direction multiplier method is used for distributed solutions to fully protect the privacy of each entity. Finally, the simulation results show that the proposed strategy can effectively reduce the carbon emissions of the system and improve the operating efficiency of each entity and have certain robustness.

Key words: microgrid, low carbon operation, carbon trading, Nash bargaining, alternating direction multiplier method, cooperative operation

赵军, 张敏, 张世锋, 杨琦. 计及碳交易和新能源不确定性的多微电网合作运行优化策略[J]. 中国电力, 2023, 56(5): 62-71.

ZHAO Jun, ZHANG Min, ZHANG Shifeng, YANG Qi. Optimization Strategy of Multi-microgrid Cooperative Operation Considering Carbon Trading and Renewable Energy Uncertainties[J]. Electric Power, 2023, 56(5): 62-71.

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链接本文: https://www.electricpower.com.cn/CN/10.11930/j.issn.1004-9649.202209050

https://www.electricpower.com.cn/CN/Y2023/V56/I5/62

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