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Comparative Analysis of Simulation and Analysis of Bubble Motion Characteristics in Transformer Oil Based on Horizontal Set Method and Phase Field Method

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DOI: 10.23977/jeeem.2022.050207 | Downloads: 18 | Views: 706

Author(s)

Luyuan Wang 1, Tiansheng Sun 2

Affiliation(s)

1 Faculty of Energy and Power, Shenyang Institute of Engineering, Shenyang, 110136, China
2 Faculty of Electrical Engineering, Yingkou Institute of Technology, Yingkou, 115000, China

Corresponding Author

Tiansheng Sun

ABSTRACT

Large power transformer is the key equipment for realizing power energy transmission and voltage conversion in the power system, but in actual operation, its internal transformer oil is prone to cause partial discharge of suspended bubbles due to various factors, which endangers the safe operation of the transformer. Therefore, this paper conducts simulation research on the generation mechanism and motion law of suspended bubbles in transformer oil, first of all, based on Comsol simulation software, the motion model of suspended bubbles is constructed, considering the degree of distortion of bubbles and the regular characteristics of motion trajectories under different bubble number, initial position, size, and other influencing factors, and then comparing and analyzing the difference between the simulation results under the horizontal set method and the phase field method two interface tracking methods, and finally obtaining the multi-faceted motion mechanism of suspended bubbles in multiple physics.

KEYWORDS

Transformer, Insulating oil, Suspension bubble, Multiphysics, Bubble motion

CITE THIS PAPER

Luyuan Wang, Tiansheng Sun, Comparative Analysis of Simulation and Analysis of Bubble Motion Characteristics in Transformer Oil Based on Horizontal Set Method and Phase Field Method. Journal of Electrotechnology, Electrical Engineering and Management (2022) Vol. 5: 48-56. DOI: http://dx.doi.org/10.23977/jeeem.2022.050207.

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