基于电网线路传输安全的电力市场分布式交易模型研究  

Research on Distributed Power Market Trading Model Based on Grid Line Transmission Security

作　　者：李远征[1] 张虎[1] 刘江平 赵勇[1] 连义成 LI Yuan-Zheng;ZHANG Hu;LIU Jiang-Ping;ZHAO Yong;LIAN Yi-Cheng(School of Artificial Intelligence and Automation,Huazhong University of Science and Technology,Wuhan 430074;Hubei Electric Power Exchange Center Limited Company,Wuhan 430077)

机构地区：[1]华中科技大学人工智能与自动化学院,武汉430074 [2]湖北电力交易中心有限公司,武汉430077

出　　处：《自动化学报》2024年第10期1938-1952,共15页Acta Automatica Sinica

基　　金：国家电网总部科技项目(1400-202099523A-0-0-00)资助。

摘　　要：电力市场分布式交易模型可有效缓解传统集中模型下市场主体的隐私安全等问题,但难以在保障市场主体收益和电力系统安全稳定运行的同时,实现社会福利最大化.因此,基于电网线路传输安全,首先以社会福利最大化为目标,构建集中式交易模型,并采用拉格朗日乘子法和对偶定理,将其等价分解为各市场主体自身利益最大化的分布式交易模型.在此基础上,设计2种适用于不同情形的分布式交易方法及其求解算法,并构造电网安全成本影响市场主体的决策,从而保证电网线路传输安全.最后,基于算例分析,验证了2种交易方法的有效性.The distributed power market trading model can effectively alleviate the problems among market entities such as privacy problem in the traditional centralized trading model.However,there is still a lack of distributed trading models that can maximize social welfare while ensuring the benefits of market entities and the safe and stable operation of the power system.Therefore,a centralized trading model with the objective of maximizing social welfare is constructed,which considers the power grid line transmission security.Then,it is equivalently decomposed into a distributed trading model that maximizes the interests of each market agent using the Lagrange multiplier method and dual duality theorem.On this basis,two distributed trading methods and the corresponding solution algorithms suitable for different scenarios are designed,and the grid security cost is used to influence the decision-making of market entities,thereby ensuring grid line transmission security.Finally,the effectiveness of the two trading methods are verified based on simulation analysis.

关 键 词：区域配电网 分布式电能交易 线路传输安全 市场交易模型 

分 类 号：TM73[电气工程—电力系统及自动化]