电工技术学报  2019, Vol. 34 Issue (23): 4972-4981    DOI: 10.19595/j.cnki.1000-6753.tces.181408
电力系统 |
中压配电网多目标分布式优化控制策略
乐健, 王曹, 李星锐, 周谦
武汉大学电气与自动化学院 武汉 430072
The Multi-Object Distributed Optimization Control Strategy of Medium Voltage Distribution Networks
Le Jian, Wang Cao, Li Xingrui, Zhou Qian
School of Electrical Engineering and Automation Wuhan University Wuhan 430072 China
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摘要 分布式优化控制具有鲁棒性高,可扩展性强等优点,在高渗透率分布式电源接入的中压配电网的控制中得到了越来越广泛的应用。该文基于分布式电源分组合作的模式,设计了适用于中压配电网的多目标分布式优化控制策略。首先给出配电网分布式优化控制的系统框架和多个优化目标;然后针对中压配电网R/X较大的实际,分别以有功/无功功率利用率为一致性变量,设计了分组实现节点电压控制和配电网有功功率控制,以及全局合作实现配电网无功功率控制的分布式优化控制算法,给出了算法参数的整定方法;最后通过在IEEE 33节点系统中的算例结果验证了该方法的正确性和有效性。该文为实现高渗透率分布式电源接入的中压配电网分布式优化控制提供了技术参考。
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乐健
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周谦
关键词 分布式电源分布式优化控制中压配电网功率利用率一致性算法    
Abstract:Distributed control is more appreciated in the field of optimal operation of medium voltage distribution networks with high penetration of distributed generations, due to its advantages of high robustness, easy extensibility and so on. This paper studies a multiple objects optimization control strategy for medium voltage distribution networks on the basis of distributed generations grouping cooperation. To cater for the fact that a medium voltage distribution network has a larger resistance/reactance ratio, the distributed algorithms for node voltage control and active power control in grouping cooperation mode with the consistency variable of active power utilization ratio, and for reactive power control in global cooperation mode with the consistency variable of reactive power utilization ratio are proposed. The method for tuning the parameter values of the control strategy is presented. The correctness and validity of the proposed strategy are verified by numerical examples in IEEE 33-bus system. This paper provides a technical reference for achieving distributed optimization control of medium voltage distribution networks with high penetration of distributed generations.
Key wordsDistributed generations (DGs)    distributed optimization control    medium voltage distribution network    power utilization ratio    consensus algorithm   
收稿日期: 2018-08-30      出版日期: 2019-12-11
PACS: TM762  
基金资助:国家电网有限公司总部资助项目(52182017000W)
通讯作者: 乐 健 男,1975年生,副教授,研究方向为智能电网运行与控制。E-mail:lej01@mails.tsinghua.edu.cn   
作者简介: 王 曹 男,1995年生,硕士研究生,研究方向为新能源发电并网运行与控制。E-mail:2234861084@qq.com
引用本文:   
乐健, 王曹, 李星锐, 周谦. 中压配电网多目标分布式优化控制策略[J]. 电工技术学报, 2019, 34(23): 4972-4981. Le Jian, Wang Cao, Li Xingrui, Zhou Qian. The Multi-Object Distributed Optimization Control Strategy of Medium Voltage Distribution Networks. Transactions of China Electrotechnical Society, 2019, 34(23): 4972-4981.
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