A coupling method for identifying arc faults based on short-observation-window SVDR

Jiang, Run and Bao, Guanghai and Hong, Qiteng and Booth, Campbell (2021) A coupling method for identifying arc faults based on short-observation-window SVDR. IEEE Transactions on Instrumentation and Measurement, 70. 3513810. ISSN 0018-9456 (https://doi.org/10.1109/TIM.2021.3067660)

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Abstract

This article presents a new method for effective detection of ac series arc fault (AF) (SAF) and extraction of SAF characteristics in residential buildings, which addresses the challenges with conventional current detection methods in discriminating arcing and nonarcing current due to their similarity. Different from the traditional method, in the proposed method, the differential magnetic flux is coupled to obtain high-frequency signals by putting the live line and the neutral line through the current transformer, which can effectively solve the problem of SAF features disappearing in the trunk-line current. However, similar to the traditional method, the effectiveness of the proposed coupling method could also be compromised when being used in cases with dimmer load and load starting process. This is found to be caused by the presence of high-Amplitude pulse phenomenon in the nonarcing signals in these scenarios, which are incorrectly detected as arcing signals in other loads. To address this issue, a short-observation-window singular value decomposition and reconstruction algorithm (SOW-SVDR) is used to enhance the capability to identify SAFs by the coupling method. The proposed method has been implemented and validated according to the UL1699 standard with different types of loads connected to the system and also tested under their starting processes. The experimental results show that the proposed approach is more effective in detecting AFs compared with existing methods.

  • Item type:Article
    ID code:75930
    Dates:
    Date
    Event
    22 March 2021
    Published
    22 March 2021
    Published Online
    6 March 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:24 Mar 2021 16:17
    Last modified:15 Apr 2024 10:45
    URI:https://strathprints.strath.ac.uk/id/eprint/75930
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