Optical and electrical investigations on creeping discharges over solid/liquid interfaces under impulse voltage

作者: L. Kebbabi , A. Beroual

DOI: 10.1109/ICDL.2005.1490044

关键词: WaveformSolid liquidImpulse (physics)Solid insulatorElectrodeComposite materialLiquid dielectricElectrical engineeringElectrical treeingVoltageMaterials science

摘要: This paper deals with the experimental characterization of discharges propagating on solid/liquid interfaces under impulse voltages using a point-plane electrode arrangement. It's shown that nature and thickness solid insulating significantly influence characteristics creepage discharge especially density branches. later decreases when insulator increases. indicates important role capacitive effect in propagation mechanism. For given thickness, final length these increases quasi-linearly voltage. The current waveform depends polarity

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