Optimal Decision-making Method for Restoration of Interconnected Distribution Networks With Multi-terminal Soft Open Point

被引：0
|
作者：
Lu J. [1 ]
Yang X. [1 ]
Zhang Y. [1 ]
Weng G. [1 ]
Wang L. [1 ]
Xu Z. [2 ]
机构：
[1] College of Information Engineering, Zhejiang University of Technology, Zhejiang Province, Hangzhou
[2] State Grid Energy Research Institute Co., Ltd., Changping District, Beijing
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2023年 / 43卷 / 12期
基金：
中国国家自然科学基金;
关键词：
interconnected distribution network; multi-terminal soft open points; sequential restoration;
D O I：
10.13334/j.0258-8013.pcsee.220762
中图分类号：
学科分类号：
摘要：
Under fault scenarios, the voltage support and load transferring of soft open points (SOPs) can improve the recovery performance of distribution networks effectively. In order to improve the operational flexibility and power supply reliability of interconnected distribution network, this paper establishes an optimal decision-making method for the restoration of interconnected distribution network with multi-terminal SOP. First, the models of the multi-terminal SOP, distributed generation, energy storage system and cold load pickup in the interconnected distribution network are built. Moreover, the control method of each SOP port during recovery process are analyzed, and the connection between changes of topology constraints and actions of electrical devices are discussed. Then, with the maximum load recovery and the minimum total system loss as the optimization goals, the restoration model of the interconnected power grid is constructed. In addition, second-order cone relaxation and logic constraint linearization are performed on the basis of the original model, and the converted mixed integer second-order cone programming model is solved. Finally, an IEEE 33 node system and an IEEE 69 nodes system connected by a 5-terminal SOP are taken as example to verify the effectiveness of the restoration method. ©2023 Chin.Soc.for Elec.Eng.
引用
收藏
页码：4554 / 4567
页数：13
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