储能科学与技术 ›› 2019, Vol. 8 ›› Issue (4): 645-653.doi: 10.12028/j.issn.2095-4239.2019.0105

• 微电网与分布式储能技术专刊 • 上一篇    下一篇

多微电网参与下的配电侧直接电能交易纳什议价模型

张进1, 胡存刚1,2, 芮涛2   

  1. 1 安徽大学电气工程与自动化学院, 安徽 合肥 230601;
    2 安徽省工业节电与电能质量控制协同创新中心(安徽大学), 安徽 合肥 230601
  • 收稿日期:2019-05-24 修回日期:2019-06-12 出版日期:2019-07-01 发布日期:2019-07-01
  • 通讯作者: 胡存刚,教授,E-mail:hucungang@163.com。
  • 作者简介:张进(1994-),男,硕士研究生,E-mail:18297957022@139.com
  • 基金资助:
    国家重点研发计划项目(2016YFB0900400)。

Nash bargaining model for direct electricity trading on distribution side with multi-microgrids participation

ZHANG Jin1, HU Cungang1,2, RUI Tao2   

  1. 1 School of Electrical Engineering and Automation Anhui University, Hefei 230601, Anhui, China;
    2 Anhui Provincial Collaborative Innovation Center of Industrial Energy Saving and Power Quality Control(Anhui University), Hefei 230601, Anhui, China
  • Received:2019-05-24 Revised:2019-06-12 Online:2019-07-01 Published:2019-07-01

摘要: 随着售电侧电力市场改革的不断深入,研究多微电网参与下的配电侧直接电能交易具有重要意义。针对多微电网与负荷聚合商之间的直接电能交易,以各主体在传统交易方式下的最优效益作为谈判破裂点,提出了一种基于合作博弈论的纳什议价模型,模型中博弈参与者可获得帕累托最优效益。模型为非线性非凸问题,不易直接求解,将其分成求解支付和联盟效益最大化两个子问题。为保护交易主体内部隐私,联盟效益最大化问题采用交替方向乘子法进行分布式求解,交易双方在求解过程中仅需相互交换期望的交易电量。仿真结果表明该模型可以有效地提升交易双方的运营效益。

关键词: 微电网, 直接电能交易, 合作博弈, 纳什议价解, 交替方向乘子法

Abstract: With the deepening reform of the electricity market in the retail side, it is of great signifcance to study the direct electricity trading on the distribution side with the participation of multimicrogrids. In this paper, a Nash bargaining model based on cooperative game theory is proposed to deal with the direct electricity transaction between multi-microgrid and load aggregator, taking the optimal beneft of each participant under the traditional transaction mode as the disagreement point of bargaining, so that the participants of the game can obtain Pareto optimal beneft. The model is a non-linear and non-convex problem, which is diffcult to solve directly. Therefore, it is divided it into two sub-problems:solving payment and maximizing alliance benefts. In order to protect the privacy of each agent, the maximizing alliance benefits uses alternating direction method of multiplier to solve the distributed optimization problem. In the process of solving the model, only the expected transaction power is exchanged between the two parties. The simulation results show that the model can effectively improve the operational effciency of both sides of the transaction.

Key words: microgrid, direct electricity trading, cooperative game theory, Nash bargaining solution, alternating direction method of multiplier

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