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

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Central European Journal of Physics

Abstract

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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Authors and Affiliations

  1. Industrial Systems Engineering, University of Regina, 3737 Wascana Parkway, Regina, S4S 0A2, Saskatchewan, Canada

    Liming Dai

  2. College of Electrical & Information Engineering, Hunan University, 410082, Changsha, P.R. China

    Longfu Luo

Authors
  1. Liming Dai
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  2. Longfu Luo
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Dai, L., Luo, L. Analysis of nonlinear electric field of hvdc wall bushing with a finite element approach. centr.eur.j.phys. 3, 581–590 (2005). https://doi.org/10.2478/BF02475614

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  • DOI: https://doi.org/10.2478/BF02475614

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