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Vol. 173, Issue 6, June 2014, pp. 75-81

 

Bullet

 

Vibration Finite Element Analysis of SC10 Dry-type Transformer Core
 

Gao Sheng Wei, Li Xin, Li Qiang, Wang Hong, Zhaoxin, Duanchunjian

Key Laboratory of Advanced Electrical Engineering and Energy Technology, Tianjin Polytechnic University, Tianjin 300387 China

E-mail: 1014800063@qq.com

 

 

Received: 6 June 2014 /Accepted: 30 May 2014 /Published: 30 June 2014

Digital Sensors and Sensor Sysstems

 

Abstract: As the popularization and application of dry-type power transformer, its work when the vibration noise problem widely concerned, on the basis of time-varying electromagnetic field and structural mechanics equation, this paper established a finite element analysis model of dry-type transformer, through the electromagnetic field Structural mechanics field sound field more than physical field coupling calculation analysis, obtained in no load and the vibration modes of the core under different load and frequency. According to the transformer vibration mechanism, compared with the experimental data, verified the accuracy of the calculation results, as the core of how to provide the theory foundation and to reduce the noise of the experiment.

 

Keywords: Dry-type transformer, Multi-physical field finite element analysis, Vibration and noise, Modal analysis.

 

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