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

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. Th...

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Veröffentlicht in:	IEEE transactions on magnetics 2009-03, Vol.45 (3), p.980-983
Hauptverfasser:	Weida, D., Steinmetz, T., Clemens, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Computational modeling Computer simulation Conducting materials Cross-disciplinary physics: materials science rheology Dielectrics and electrical insulation Electromagnetic transients Exact sciences and technology Finite element method Finite element methods High voltages High-voltage techniques Insulators Large-scale systems Magnetism Materials science Mathematical analysis Mathematical models nonlinearities Nonlinearity Other topics in materials science Physics Polymers silicone rubber insulators Varistors Voltage Zinc oxide
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Beschreibung
Zusammenfassung:	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.
ISSN:	0018-9464 1941-0069
DOI:	10.1109/TMAG.2009.2012492