Fault Location Method for Communication Link with Multi-information Fusion Modeling of Smart Substation

doi:10.11930/j.issn.1004-9649.202212075

Abstract

Abstract: In order to solve such problems of smart substations as numerous alarm information caused by communication link failure and poor operation efficiency, a fault location method for communication link is proposed with multi-information fusion modeling of smart substation. Firstly, a communication network numbering principle is proposed by traversing the device nodes of SCD. Secondly, by fusing multiple alarm information, the node and link coding rules are formulated, and the node-link mapping relationship and positioning model are established. And then, the adaptive genetic particle swarm algorithm is used to solve the positioning model to achieve accurate positioning of link faults. Finally, taking the secondary network of a 220 kV smart substation as an example, the effectiveness of the proposed method is verified under different link failure scenarios.

Key words: smart substation, link fault location, alarm information, expected mapping, adaptive genetic particle swarm optimization

PI Zhiyong, ZHU Yi, LIAO Xuan, LI Zhenxing, FANG Hao, WU Pei. Fault Location Method for Communication Link with Multi-information Fusion Modeling of Smart Substation[J]. Electric Power, 2023, 56(8): 207-215.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202212075

https://www.electricpower.com.cn/EN/Y2023/V56/I8/207

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