Digitalization of Distribution Transformer Failure Probability Using Weibull Approach towards Digital Transformation of Power Distribution Systems

A. M. Sakura R. H. Attanayake () and R. M. Chandima Ratnayake ()
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A. M. Sakura R. H. Attanayake: Department of Mechanical and Structural Engineering and Materials Science, University of Stavanger, P.O. Box 8600 Forus, N-4036 Stavanger, Norway
R. M. Chandima Ratnayake: Department of Mechanical and Structural Engineering and Materials Science, University of Stavanger, P.O. Box 8600 Forus, N-4036 Stavanger, Norway

Future Internet, 2023, vol. 15, issue 2, 1-17

Abstract: Digitalization of the failure-probability modeling of crucial components in power-distribution systems is important for improving risk and reliability analysis for system-maintenance and asset-management practices. This paper aims to implement a Python programming-based Weibull approach for digitalization of distribution-transformer (DT) failures, considering a regional section of DTs in Sri Lanka as a case study. A comprehensive analysis for DT-failure data for six years has been utilized to derive a Weibull distribution analysis for DTs. The interpretation of the resulting beta and alpha parameters of the Weibull analysis for different categories of DTs in the selected region is also presented. The resulting data can be uploaded to computerized maintenance-management systems (CMMS), to adopt conclusions or resolutions reached by the asset and maintenance managers. Ultimately, failure-probability modeling is beneficial for decision-making processes for higher management aiming for the digital transformation of power-distribution systems.

Keywords: CMMS; digitalization; distribution transformers; failure probability; risk and reliability; Weibull approach (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2023
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