Analytical approximations of critical clearing time for parametric analysis of power system transient stability

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Roberts, Lewis G. W. and Champneys, Alan R. and Bell, Keith R. W. and di Bernardo, Mario (2015) Analytical approximations of critical clearing time for parametric analysis of power system transient stability. IEEE Journal on Emerging and Selected Topics in Circuits and Systems. (https://doi.org/10.1109/JETCAS.2015.2467111)

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Abstract

An analytic approximation for the critical clearing time (CCT) metric is derived from direct methods for power system stability. The formula has been designed to incorporate as many features of transient stability analysis as possible such as different fault locations and different post-fault network states. The purpose of this metric is to analyse trends in stability (in terms of CCT) of power systems under the variation of a system parameter. The performance of this metric to measure stability trends is demonstrated on an aggregated power network, the so-called two machine infinite bus network, by varying load parameters in the full bus admittance matrix using numerical continuation. The metric is compared to two other expressions for the CCT which incorporate additional non-linearities present in the model.

ORCID iDs

Roberts, Lewis G. W., Champneys, Alan R., Bell, Keith R. W. ORCID logoORCID: https://orcid.org/0000-0001-9612-7345 and di Bernardo, Mario;
  • Item type:Article
    ID code:54100
    Dates:
    Date
    Event
    2015
    Published
    20 August 2015
    Published Online
    16 July 2015
    Accepted
    Notes:(c) 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, 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 components 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:28 Aug 2015 08:26
    Last modified:11 Nov 2024 11:10
    URI:https://strathprints.strath.ac.uk/id/eprint/54100
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