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Assessing the reliability of adaptive power system protection schemes

Adrianti, A and Abdulhadi, Ibrahim Faiek and Dysko, Adam and Burt, Graeme (2012) Assessing the reliability of adaptive power system protection schemes. In: 11th international conference on developments in power systems protection, 2012. DPSP 2012. IEEE, New York. ISBN 9781849196208

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Abstract

Adaptive power system protection can be used to improve the performance of existing protection schemes under certain network conditions. However, their deployment in the field is impeded by their perceived inferior reliability compared to existing protection arrangements. Moreover, their validation can be problematic due to the perceived high likelihood of the occurrence of failure modes or incorrect setting selection with variable network conditions. Reliability (including risk assessment) is one of the decisive measures that can be used in the process of verifying adaptive protection scheme performance. This paper proposes a generic methodology for assessing the reliability of adaptive protection. The method involves the identification of initiating events and scenarios that lead to protection failures and quantification of the probability of the occurrence of each failure. A numerical example of the methodology for an adaptive distance protection scheme is provided.

Item type: Book Section
ID code: 41176
Keywords: reliability assessment, adaptive power system protection schemes, power system reliability , switches , reliability, relays, adaptive systems, bayesian methods , circuit faults , Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Depositing user: Pure Administrator
Date Deposited: 18 Sep 2012 14:13
Last modified: 26 Mar 2015 20:15
URI: http://strathprints.strath.ac.uk/id/eprint/41176

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