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성종국(Jong Kook Seong),최명준(Myung Jun Choi),우상길(Sang Gil Woo),백병산(Byung San Baek),허종성(Jong Sung Hur) 대한기계학회 2012 대한기계학회 춘추학술대회 Vol.2012 No.11
As the capacity of a transformer has been increased, the overheating by a magnetic field from high current is becoming one of the main issues of the transformer. To solve this problem, efficient cooling system design is needed. In this paper, the cooling capacity of the radiator was analyzed to improve the cooling performance for an oil immersed transformer. The heat transfer rates depending on the radiator and the number of the fin were obtained by using numerical simulation method. From this analysis, we proposed an efficient cooling system for the transformer. And the effectiveness of the proposed analysis method was verified by comparing with the temperature rise test.