Analysis of Temperature Distribution in Cast-resin Dry-type Transformers |
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Authors: | Ebrahim Rahimpour Davood Azizian |
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Affiliation: | (1) Electrical Engineering Department, Faculty of Engineering, University of Zanjan, Daneshgah road (Tabriz road km 5), P. O. Box 45195-313 Zanjan, Iran;(2) Iran Transformer Research Institute (ITRI), Zanjan, Iran |
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Abstract: | Non-flammable characteristic of dry-type cast- resin transformers make them suitable for residential and hospital usages. However, because of resin’s property, thermal behavior of these transformers is undesirable, so it is important to analyze their thermal behavior. Temperature distribution of cast-resin transformers is mathematically modeled in this paper. The solution of the model was carried out successfully by finite difference method. In order to validate the model, the simulation results were compared with the experimental data measured from an 800 kVA transformer. Finally, the influences of some construction parameters and environmental conditions on temperature distribution of cast-resin transformers were discussed. |
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Keywords: | Thermal modeling Dry-type transformer Cast-resin Finite difference |
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