Analysis of thermal models to determine the loss of life of mineral oil immersed transformers

Citation

Askar, Mohammad Tolou and Mohammadi, Mohammad Javad and Pasupuleti, Jagadeesh and Tahmasebi, Mehrdad and Raveendran, Shangari K. and Ab Kadir, Mohd Zainal Abidin (2021) Analysis of thermal models to determine the loss of life of mineral oil immersed transformers. Bulletin of Electrical Engineering and Informatics, 10 (5). 2327 - 2336. ISSN 2302-9285

Abstract

Hot spot as well as top oil temperatures have played the most effective parameters on the life of the electrical transformers. The prognostication of these factors is very vital for determining the residual life of the electrical transformers in the transmission and distribution systems. Thus, an accurate mathematical method is required to calculate the critical temperature such as hot spot and top oil temperature based on the different types of thermal models. In this study calculates the service life of the transformers based on an accurate top oil temperature. Accordingly, An approach solution is given for calculating the thermal model. Also, findings are validated with true temperatures. Finally, this method is implemented on 2500 KVA electrical transformer.

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Official URL or Download Paper: https://beei.org/index.php/EEI/article/view/3131

Additional Metadata

Item Type:	Article
Divisions:	Faculty of Engineering
DOI Number:	https://doi.org/10.11591/eei.v10i5.3131
Publisher:	Institute of Advanced Engineering and Science (IAES)
Keywords:	Electrical transformer; Hot spot temperature; Numerical analysis; Thermal model
Depositing User:	Ms. Nuraida Ibrahim
Date Deposited:	31 Mar 2023 02:58
Last Modified:	31 Mar 2023 02:58
Altmetrics:	http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.11591/eei.v10i5.3131
URI:	http://psasir.upm.edu.my/id/eprint/95799
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