Collaborative method for an active distribution network reconfiguration and component repair for resilience improvement

被引：0
|
作者：
Peng H. [1 ,2 ]
Liu Z. [1 ]
Tan M. [1 ,2 ]
Wang W. [1 ]
Su Y. [1 ,2 ]
机构：
[1] College of Automation and Electronic Information, Xiangtan University, Xiangtan
[2] Hunan Engineering Research Center of Multi-energy Cooperative Control Technology, Xiangtan University, Xiangtan
来源：
Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | 2022年 / 50卷 / 17期
基金：
中国国家自然科学基金;
关键词：
active distribution network; collaborative method; component repair; reconfiguration; resilience improvement;
D O I：
10.19783/j.cnki.pspc.211517
中图分类号：
学科分类号：
摘要：
Extreme events will cause multiple failures in an active distribution network and involve a long repair time for faulty components. Traditional failure recovery methods will make the system less resilient. Considering the fault recovery stage of an active distribution network, we propose a collaborative method of reconfiguration and faulty component repair oriented to resilience improvement. First, combined with a resilience index of the active distribution network that takes into account the importance of the load, the main measures of resilience improvement in the fault recovery stage are analyzed. Then a framework for collaborative strategies for reconfiguration and faulty component repair is proposed, and the update and correlation of line state and node load power supply state variables in alternate coordination are given. Then, the objective functions of faulty component repair in the whole process and reconfiguration are established. There is a problem that it is difficult to distinguish the upstream and downstream relationship of faulty components. This is because of the characteristics of active distribution network with multiple distributed power sources. To tackle this problem, a distinguishing method based on the method of eliminating the fault loop and circling source equivalent method is proposed. Finally, example results show that the proposed method can effectively improve the resilience of the active distribution network. © 2022 Power System Protection and Control Press. All rights reserved.
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收藏
页码：35 / 44
页数：9
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