Dynamic reconfiguration of distribution networks considering the real-time topology variation

被引:17
|
作者
Wen, Juan [1 ,2 ]
Tan, Yanghong [1 ]
Jiang, Lin [2 ]
Lei, Kejun [1 ]
机构
[1] Hunan Univ, Coll Elect & Informat Engn, Changsha, Hunan, Peoples R China
[2] Univ South China, Coll Elect & Informat Engn, Hengyang, Hunan, Peoples R China
基金
中国国家自然科学基金;
关键词
optimisation; distribution networks; distribution network reconfiguration; distribution system; DS; distribution feeder; switch; fault trip; equipment maintenance; system extension; dynamic reconfiguration method; real-time initial topology variation; optimisation problem; network connectivity restoration; out-of-service area identification; power loss reduction; SERVICE RESTORATION; DISTRIBUTION-SYSTEM; ALGORITHM; RELIABILITY; GENERATION;
D O I
10.1049/iet-gtd.2017.1304
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Network reconfiguration is a vital analysis process for optimising and controlling distribution systems (DSs). Given a stable initial DS, the distribution feeders can be reconfigured by changing the status of the switches to improve the operational performance. Owing to the fault trip, equipment maintenance, and system extension, the removal or addition of a branch can change the structure of the initial topology. This study proposes a dynamic reconfiguration method that considers the real-time initial topology variation. The method combines the dynamic topology analysis with network reconfiguration to address the optimisation problem of the real-time distribution network. A set of independent topological parameters represents the initial topology of a DS. After the changes in the initial topology are detected, the dynamic topology analysis is used to restore network connectivity and identify out-of-service areas. Then the real-time initial topology is obtained by updating the topological parameters. In accordance with network reconfiguration, the optimal configuration is identified to reduce power loss and improve the voltage profile of the real-time distribution network. Illustrative examples verify the effectiveness of the proposed method.
引用
收藏
页码:1509 / 1517
页数:9
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