Space charge distribution measurement methods and particle loaded insulating materialsReportar como inadecuado




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1 LISIF - Laboratoire des Instruments et Systèmes d-Ile de France 2 G2ELab - Laboratoire de Génie Electrique de Grenoble 3 SE - Schneider Electric SA

Abstract : In this paper the authors discuss the effects of particles fillers mixed in a composite polymer on the space charge measurement techniques. The origin of particle-induced spurious signals is determined and silica filled epoxy resin is analysed by using the laser-induced-pressure-pulse LIPP, the pulsed-electroacoustic PEA and the laser-induced-thermal-pulse LITP methods. A spurious signal identified as the consequence of a piezoelectric effect of some silica particles is visible for all the methods. Moreover, space charges are clearly detected at the epoxy-silica interface after a 10-kV-mm poling at room temperature for 2 hours.

Keywords : PEA Space charge





Autor: S. Holé - A. Sylvestre - Olivier Gallot-Lavallée - C. Guillermin - P. Rain - S. Rowe -

Fuente: https://hal.archives-ouvertes.fr/



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