Effect of Natural Ester Insulating Oil on Temperature Rise and Overload Characteristics of Winding for Power Transformer
1State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300130, China
2Key Laboratory of Electro-magnetic Field and Electrical Apparatus Reliability of Hebei Province, Hebei University of Technology, Tianjin 300130, China
3Hebei Provincial Key Laboratory of Electromagnetic & Structural Performance of Power Transmission and Transformation Equipment, Baoding Tianwei Baobian Electric Co., Ltd., Baoding 071056, China
4Department of Power Engineering, North China Electric Power University, Baoding 071003, China
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