Numerical Analysis of Eddy Current Field in the Ascending Flange for the Bushings and Tank Wall of a Large Transformer

2008 ◽  
Author(s):  
Y. Li ◽  
S.L. Ho ◽  
N. Wang ◽  
R.Y. Tang
Keyword(s):  
Numerical Analysis ◽  
Eddy Current ◽  
Tank Wall ◽  
Current Field

Calculation of Eddy Current Field in the Ascending Flange for the Bushings and Tank Wall of a Large Power Transformer

2008 ◽  
Vol 44 (6) ◽  
pp. 1522-1525 ◽  
Author(s):  
S.L. Ho ◽  
Y. Li ◽  
R.Y. Tang ◽  
K.W.E. Cheng ◽  
S.Y. Yang
Keyword(s):  
Eddy Current ◽  
Power Transformer ◽  
Tank Wall ◽  
Current Field ◽  
Large Power

Numerical Analysis of 3D Eddy Current Fields in Laminated Media Under Various Frequencies

2012 ◽  
Vol 48 (2) ◽  
pp. 267-270 ◽  
Author(s):  
Jian Wang ◽  
Heyun Lin ◽  
Yunkai Huang ◽  
Lei Huang
Keyword(s):  
Numerical Analysis ◽  
Eddy Current

Eddy Current Loss and Shielding Research of the Tank in Power Transformer

2012 ◽  
Vol 468-471 ◽  
pp. 1086-1089 ◽  
Author(s):  
Yong Ming Xu ◽  
Chao Du ◽  
Da Wei Meng
Keyword(s):  
Magnetic Field ◽  
Eddy Current ◽  
Power Transformer ◽  
Element Model ◽  
Eddy Current Loss ◽  
Calculation Model ◽  
Ultrahigh Pressure ◽  
Tank Wall ◽  
Current Loss ◽  
Leakage Magnetic Field

The problem about the eddy current loss which is caused by leakage magnetic field in ultrahigh pressure large capacity power transformer is becoming more extrusive. It is very significant to research the power transformer leakage magnetic field and eddy current loss on the tank wall thoroughly and accurately. 3D finite element model of power transformer leakage magnetic field and eddy current loss is established in this paper, the eddy current loss on the tank wall is calculated and the distribution is analyzed. For the eddy current loss could be reduced by magnetic shielding, new calculation model are established respectively, then eddy current loss on tank wall could be got with shielding. The best size and location of the shielding could be analyzed after changing the height of the shielding, which provided the important evidence to reduce tank wall eddy current loss effectively. The calculating methods have been proved to be accuracy after experiment.

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