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http://dx.doi.org/10.5370/KIEEP.2014.63.4.327

Temperature Characteristic Analysis according to Variation of Properties of Transformer Insulating Oil  

Kim, Ji-Ho (Enertech Co., Ltd.)
Rhee, Wook (Dept. of Electrical and Information System Engineering, Daejin University)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers P / v.63, no.4, 2014 , pp. 327-332 More about this Journal
Abstract
In this paper, the temperature distribution according to the property change of the insulating oil of the power transformer and max temperature were predicted through the ductility interpretation which heat-flow is coupled. By using CFD (Computation Fluid Dynamics) for the interpretation, the temperature distribution of 154kV the class single phase power transformer was predicted. The power loss causing the temperature rise of the transformer was changed to the heat source and we used as the input value for the heat-flow analysis. The temperature distribution was predicted according to the change of the density, specific heat, thermal conductivity and viscosity, that is the ingredient having an effect on the temperature rise of the transformer oil. The mineral oil of 4 kinds used in domestic and international based on the interpreted result was selected and the temperature distribution according to each load and Hot Spot temperature was predicted.
Keywords
CFD(Computation fluid dynamics); Hot spot; Insulating oil; Temperature distribution; Transformer;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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