A novel fault isolation scheme in power system with dynamic topology using wide-area information

Zhang, Guangxiao and Tong, Xiaoyang and Hong, Qiteng and Lu, Xuemin and Booth, Campbell (2021) A novel fault isolation scheme in power system with dynamic topology using wide-area information. IEEE Transactions on Industrial Informatics. ISSN 1551-3203 (https://doi.org/10.1109/TII.2021.3095254)

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Abstract

A novel fault isolation scheme in a power system based on wide-area information is proposed. Based on graph theory, the adjacency matrices for electrical components and circuit breakers are set up. To achieve this new scheme of fault isolation on a complex network, the wide-area switch status information is used. The real-time fault isolation set for each protected electrical component is obtained according to the changeable power network structures. The effectiveness of the proposed scheme is tested on a power system with the typical main electrical connection under a single fault, multiple faults, circuit breaker failure, and substation with the outage of DC power supply, and given the circumstances under which the circuit breakers cannot trip. Since the tripping sequence of circuit breakers is detected before the fault occurs, even with dynamic changes of power system conditions, the fault isolation zone can be minimized with lower fault clearance time.

  • Item type:Article
    ID code:77154
    Dates:
    Date
    Event
    7 July 2021
    Published
    7 July 2021
    Published Online
    2 July 2021
    Accepted
    Notes:© 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Depositing user: Pure Administrator
    Date deposited:21 Jul 2021 14:42
    Last modified:15 Apr 2024 00:27
    URI:https://strathprints.strath.ac.uk/id/eprint/77154
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