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  1. 1 Open Physics

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  1. 1 2005

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  1. 1 Dai L.

  2. 1 Luo L.

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Analysis of nonlinear electric field of hvdc wall bushing with a finite element approach

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Dai L., Luo L.
Open Physics
|
2005
|
vol. 3
|
issue 4
581-590
EN
The present research intends to establish a numerical model, on the basis of a theoretical analysis, for describing and analyzing the electric field of High Voltage Direct Current (HVDC) wall bushing that demonstrates highly nonlinear characteristics. The wall bushing is subjected high voltage with nonlinear electric field and the relationship between the electric field intensity and the resistance of the insulators of the wall bushing is highly nonlinear. With a parameter design language of a Finite Element Analysis software package for carrying out the numerical calculations, the effects of the nonlinearity on the electric field can be well taken into consideration in performing the numerical assessment. A technique utilizing the numerical iteration is developed for quantifying the electric intensity of the electric field. With the model and the iteration technique established, the nonlinear characteristics of the HVDC wall bushing can be investigated with efficiency.
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