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市场环境下输配电系统一体化分布式交易优化方法
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作者单位:

1. 中国电力科学研究院有限公司, 北京市 100192; 2. Rober W. Galvin电力创新中心(伊利诺伊理工大学), 芝加哥 60616, 美国; 3. 国家电力调度控制中心, 北京市 100031; 4. 广东工业大学自动化学院, 广东省广州市 510006; 5. 浙江大学电气工程学院, 浙江省杭州市 310027

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基金项目:

国家电网公司科技项目“跨区省间富余可再生能源现货市场关键技术研究和应用”


Optimization Method for Decentral Transaction of Integrated Transmission and Distribution System in Market Environment
Author:
Affiliation:

1. China Electric Power Research Institute, Beijing 100192, China;2. Robert W. Galvin Center for Electricity Innovation(Illinois Institute of Technology), Chicago 60616, USA;3. National Electric Power Dispatching and Control Center, Beijing 100031, China;4. School of Automation, Guangdong University of Technology, Guangzhou 510006, China;5. College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China

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    摘要:

    随着可再生能源的高渗透率接入和主动配电网的规模化发展,系统之间对于能量交易和灵活性资源共享的需求迫切。文中基于广义主从分解协调方法,将一体化输配电市场分解为输电系统批发市场主问题和多个配电系统零售市场子问题,并建立了基于混合整数线性规划的考虑备用需求约束的输电网络模型和基于混合整数二阶锥规划的适用于网络重构的配电网络模型,同时提出了适用于输配电市场一体化问题的分布式优化的分解协调方法,可有效降低市场的购电成本。在模型中模拟了配电系统运营商进行策略性报价意愿的约束,且配电网系统采用的网络重构模型能有效地精细化网损和模拟远程开关控制,提高市场的流动性。基于库恩-塔克(KKT)条件从理论上证明了该模型和方法的最优性,并通过算例证明了方法的有效性。

    Abstract:

    As the high-penetration access of renewable energy and the development of active distribution network, there is an urgent need for energy transaction and flexibility resource sharing. Based on generalized master-slave splitting(G-MSS)method, the integrated market is equivalently decomposed into a main problem of the wholesale market of transmission systems and sub-problems of the retail market of multiple distribution systems. This paper develops a transmission network model based on mixed integer linear programming considering reserve demand constraints and a distribution network model suitable for network reconstruction based on mixed integer second-order cone programming. At the same time, a decomposition coordination method suitable for the distributed optimization of the integration problem of transmission and distribution market is proposed, which can effectively reduce the purchasing cost of the integrated system. The strategic bidding willingness constraint of distribution system operators(DSOs)is embedded in wholesale market, and the network reconfiguration model of DSO is conducted to elaborate the power losses, simulate remote switch control and enhance the market liquidity. The Karush-Kuhn-Tucker(KKT)condition is applied to verify the optimization of the proposed method and model in theory. The effectiveness of the method is demonstrated in the case study.

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刘聪,周京阳,Mohammad SHAHIDEHPOUR,等.市场环境下输配电系统一体化分布式交易优化方法[J].电力系统自动化,2019,43(21):103-110. DOI:10.7500/AEPS20190202001.
LIU Cong, ZHOU Jingyang, Mohammad SHAHIDEHPOUR,et al.Optimization Method for Decentral Transaction of Integrated Transmission and Distribution System in Market Environment[J].Automation of Electric Power Systems,2019,43(21):103-110. DOI:10.7500/AEPS20190202001.

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历史
  • 收稿日期:2019-02-02
  • 最后修改日期:2019-08-30
  • 录用日期:2019-06-26
  • 在线发布日期: 2019-08-27
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