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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Chaudhary, Sunny
University of Southampton
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Space charge accumulation and DC breakdown strength of epoxy nanocomposites
- 2024Impact of particle thermal treatment on dielectric properties of core-shell filled epoxy nano-composites
- 2022Dynamic mechanical response in epoxy nanocomposites incorporating various nano-silica architectures
- 2022Dielectric response in epoxy nanocomposites incorporating various nano-silica architecturescitations
- 2022Molecular dynamics of epoxy nanocomposites filled with core–shell and hollow nanosilica architecturescitations
- 2021Assessment of the chemical and electrical properties of nano structured polyethylene with antioxidant-grafted nanosilica
- 2021Effect of nanoparticle volume and surface characteristics on the bulk properties of epoxy nanocompositecitations
- 2021Investigation of the functional network modifier loading on the stoichiometric ratio of epoxy resins and their dielectric propertiescitations
- 2021Effect of shell-thickness on the dielectric properties of TiO2/SiO2 core-shell nanoparticles filled epoxy nanocompositescitations
- 2020Effect of core-shell particles on the dielectric properties of epoxy nanocompositescitations
Places of action
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conferencepaper
Space charge accumulation and DC breakdown strength of epoxy nanocomposites
Abstract
Introduction of inorganic nanoparticles to epoxy composite material has been demonstrated to have a significant advantage in electrical insulation performance for use in power apparatus. In order to apply nanocomposites to solid insulators in DC power equipment, it is important to evaluate the electrical insulation properties of nanocomposites under DC high voltage. It is well understood that space charges accumulating inside insulating materials can lead to premature failure. In this work, the space charge and DC breakdown of epoxy nanocomposites with nano-BN or TiO2 were investigated. The space charge accumulation can locally increase the effective electric field strength in a region of the insulator and thus leads to a dielectric breakdown. It was previously demonstrated that specific types of nanocomposites can reduce space charge accumulation. The nanocomposites prepared in this study do not suppress space charge accumulation, which could be due to the presence of micrometric-size agglomerates in the nanocomposites prepared in this study. Furthermore, the effect of the agglomerates on space charge accumulation and DC breakdown strength depends on the nanofiller.