The role of multifractality in charge distribution on electric strength

The authors present an investigation of the influence of nonuniform charge distribution over the electrode surface on the electrode area dependent average delay time of breakdown using a multifractal model. The dependence of the average delay time of breakdown on the electrode area and the average f...

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Bibliographic Details
Main Authors: Noskov, M.D., Kukhta, V.R., Lopatin, V.V.
Format: Conference Proceeding
Language:English
Subjects:
Delay effects
Dielectric breakdown
Electric breakdown
Electrodes
Fractals
Impurities
Rough surfaces
Statistical analysis
Stress
Surface roughness
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Summary:The authors present an investigation of the influence of nonuniform charge distribution over the electrode surface on the electrode area dependent average delay time of breakdown using a multifractal model. The dependence of the average delay time of breakdown on the electrode area and the average field stress. In large inter-electrode gaps the electric strength strongly depends on the weak sites distribution over the dielectric bulk. The proposed model can only be applied to describe the breakdown in large bulk dielectrics.
DOI:10.1109/ICDL.1993.593940