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Adaptive approach to finite element modelling of corona fields

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1 Author(s)
Adamiak, K. ; Dept. of Electr. Eng., Univ. of Western Ontario, London, Ont., Canada

In the finite element modelling of corona fields, the area close to the corona electrode needs the finest discretization due to a significant difference in size and curvature of electrodes. User defined discretization may yield insufficient accuracy. In the approach presented in this paper, the domain is discretized adaptively according to the algorithm based on the information about the solution error. There are two advantages of such an approach: mesh generation is completely automatic; and the resultant mesh has the optimum density for assumed accuracy. This adaptive algorithm is demonstrated on an example of HVDC transmission line

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Industry Applications, IEEE Transactions on  (Volume:30 ,  Issue: 2 )