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| Space charge distribution measurement methods and particle loaded insulating materials |
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| S. Holé1A. Sylvestre2Olivier Gallot-Lavallée2C. Guillermin3P. Rain2S. Rowe3 |
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| 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. |
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| 1 : | LISIF - Laboratoire des Instruments et Systèmes d'Ile de France |
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| 2 : | G2ELab - Laboratoire de Génie Electrique de Grenoble |
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| 3 : | SE - Schneider Electric SA |
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| PEA – Space charge |
| hal-00019778, version 1 | |
| http://hal.archives-ouvertes.fr/hal-00019778 | |
| oai:hal.archives-ouvertes.fr:hal-00019778 | |
| Contributeur : Olivier Gallot-Lavallée | |
| Soumis le : Lundi 27 Février 2006, 17:44:35 | |
| Dernière modification le : Vendredi 26 Octobre 2007, 13:25:27 | |
