Parameters modelling of transformer

Authors:
Marius-Constantin Popescu;Gheorghe Manolea;Nikos Mastorakis;Liliana Perescu-Popescu
Affiliations:
Faculty of Electromechanical and Environmental Engineering, University of Craiova, Craiova, Romania;Faculty of Electromechanical and Environmental Engineering, University of Craiova, Craiova, Romania;Technical University of Sofia, Bulgaria;Elena Cuza College of Craiova, Romania
Venue:
WSEAS Transactions on Circuits and Systems
Year:
2009

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Abstract

This paper analyses transformer loss of life attending to the realistic variability of both structural and functional parameters. The article begins with the modelling of load and ambient temperature profiles, by means of chronological series theory. A simple additive model is proposed and validated with realistic data, loss of life resulting from probabilistic functional and structural parameters is analysed through a sensitivity study.