A new algorithm for detecting failure to clear mode of circuit breakers using fundamental frequency component of voltage signals

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Feizifar, Behnam and Muller, Zdenek and Usta, Omer (2020) A new algorithm for detecting failure to clear mode of circuit breakers using fundamental frequency component of voltage signals. IEEE Transactions on Power Delivery, 35 (2). 794 - 801. ISSN 0885-8977 (https://doi.org/10.1109/TPWRD.2019.2927102)

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Abstract

This paper introduces a new algorithm for the early detection of abnormal arcing conditions of circuit breakers (CBs). Any interruption with a higher arcing time compared to maximum permissible arcing time (MPAT) of CB is defined as a CB failure to clear mode. Measuring CB arcing time is not easy because there is no control on the mechanical opening and closing instants of CB contacts. Nevertheless, there is a correlation between the spectral energy densities of CB arcing voltages and arcing times of CB. This correlation is used by calculating the spectral energy densities of the instantaneous system voltage and the instantaneous CB voltage across its terminals utilizing discrete Fourier transform (DFT) for two periods of the system frequency. The difference between the spectral energy densities at the fundamental frequency is defined as a criterion for identifying a failure to clear mode. Whenever this criterion exceeds a predefined trip level, it indicates the occurrence of a failure to clear mode. In this situation, a trip signal is initiated for adjacent CBs to isolate the faulted CB and the fault. The results obtained from computer simulations and measurements show that the algorithm discriminates between normal and abnormal arcing conditions of CB.

ORCID iDs

Feizifar, Behnam ORCID logoORCID: https://orcid.org/0000-0003-0583-5800, Muller, Zdenek and Usta, Omer;
  • Item type:Article
    ID code:70228
    Dates:
    Date
    Event
    30 April 2020
    Published
    5 July 2019
    Published Online
    24 June 2019
    Accepted
    Notes:© 2019 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:22 Oct 2019 13:52
    Last modified:11 Nov 2024 12:28
    URI:https://strathprints.strath.ac.uk/id/eprint/70228
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