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Comparative analysis of multi-physical fields of vegetable and mineral insulating oil power transformer

Liang, Suning ; Yang, Zhi ; Shao, Xianjun ; Jin, Lingfeng ; Wang, Qiang ; Huang, Zhengyong

Cogent engineering, 2024-12, Vol.11 (1) [Peer Reviewed Journal]

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Title:
Comparative analysis of multi-physical fields of vegetable and mineral insulating oil power transformer
Author: Liang, Suning ; Yang, Zhi ; Shao, Xianjun ; Jin, Lingfeng ; Wang, Qiang ; Huang, Zhengyong
Subjects: Ai Qingsong, Wuhan University of Technology, CHINA ; mineral oil ; Multi-physical fields ; power transformer ; Technology ; vegetable oil
Is Part Of: Cogent engineering, 2024-12, Vol.11 (1)
Description: AbstractThis article calculates and studies the oil flow distribution, temperature distribution and electric field distribution of vegetable and mineral Insulating oil in the low-voltage winding of the transformer with finite element method (FEM). The results show that the maximum flow rates of vegetable Insulating oil and mineral oil are located on the side wall of low-voltage winding at 0.1, 0.3 and 0.6 m/s inlet velocities, and the maximum flow rate of mineral oil is higher. In addition, the increase of inlet flow rate will also cause the temperature inside the low voltage (LV) winding to drop. Due to the low viscosity of mineral oil, its heat transfer efficiency is higher. In addition, at the same flow rate, the pressure of mineral oil in the low-voltage winding is smaller, which is also due to the low viscosity and strong fluidity of mineral oil.
Publisher: Taylor & Francis Group
Language: English

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