The component outage model for power systems using availability approximations

Viswanathan Arunachalam (), Alvaro Calvache and Ayşe Tansu
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Viswanathan Arunachalam: Department of Statistics
Alvaro Calvache: Department of Mathematics
Ayşe Tansu: Industrial Engineering Department

OPSEARCH, 2024, vol. 61, issue 4, No 10, 1948-1967

Abstract: Abstract The traditional outage models with constant failure rates do not truly reflect the environmental and operating conditions nor the effect of repair operations on power systems. This paper proposes two useful approximations for the availability function based only on the first three of the lifetime distribution. We compare the availability function of a power transformer using the numerical inverse of the transformed availability function. It also suggests methods to verify the effectiveness of the approaches. Finally, it outlines the proposed approximations to validate the efficacy of the approximations.

Keywords: Outage model; Availability approximation; Transient failure rate; Staircase function (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s12597-024-00753-5

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