Modelling of ambient temperature profiles in transformer

Authors:
Marius-Constantin Popescu;Gheorghe Manolea;Cornelia Aida Bulucea;Liliana Perescu-Popescu;Adrian Drighiciu
Affiliations:
Faculty of Electromechanical and Environmental Engineering, University of Craiova, Romania;Faculty of Electromechanical and Environmental Engineering, University of Craiova, Romania;Faculty of Electromechanical and Environmental Engineering, University of Craiova, Romania;Charles Laguie College of Craiova, Romania;Faculty of Electromechanical and Environmental Engineering, University of Craiova, Romania
Venue:
ICC'09 Proceedings of the 13th WSEAS international conference on Circuits
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.