Partial-Discharge Magnitude Estimation With Three-Dimensional Finite-Element Methods


Prediction of partial-discharge (PD) magnitude for ellipsoidal and spheroidal cavities in bulk insulation is easily addressed using axisymmetric 2-D finite-element methods (FEM), with the cavity on-axis. The introduction of an arbitrary defect even within an axisymmetric device breaks the 2-D symmetry, which makes prediction of PD magnitudes impossible… (More)

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