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Electro-Quasistatic High Voltage Field Simulations of Large Scale Insulator Structures Including 2-D Models for Nonlinear Field-Grading Material Layers

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3 Author(s)
Daniel Weida ; Fac. of Electr. Eng., Helmut-Schmidt-Univ., Hamburg ; Thorsten Steinmetz ; Markus Clemens

Resistive field-grading material is applied to nonceramic insulators. For the design of insulator structures, these resistive field-dependent and thus nonlinear material layers are considered as 2-D layers within 3-D transient finite element method (FEM) simulations of electro-quasistatic fields. The 2-D layer modeling approach is validated and compared to conventional 3-D layer modeling for various layer thicknesses. Numerical results for realistic structures are shown herein.

Published in:

IEEE Transactions on Magnetics  (Volume:45 ,  Issue: 3 )