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Investigation of Surface Degradation in Polymer Dielectrics with Micro-fillers

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Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 671))

Abstract

Dielectrics used in high voltage applications are prone to partial discharge. Recent studies have indicated that addition of fillers in epoxy polymers lead to considerable improvement in dielectric properties. This paper illustrates an experimental study on how incorporation of micro-fillers lead to improvement of surface properties on application of voltage stress via surface degradation experiment. For the experimental study, Al2O3 micro-fillers were dispersed in Bisphenol-A type epoxy resin. Surface discharge was performed on both neat epoxy and micro-filled specimen with 4% w/w loading for comparison. Both effect of time and voltage level was noted. High resolution microscopic photographs were used to compare eroded area in both specimen. Simulation of electrical field intensity was performed on ANSYS Maxwell to illustrate the field distribution around the periphery of electrode.

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Correspondence to R. R. Patel .

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Nair, N.V., Patel, R.R. (2018). Investigation of Surface Degradation in Polymer Dielectrics with Micro-fillers. In: Kher, R., Gondaliya, D., Bhesaniya, M., Ladid, L., Atiquzzaman, M. (eds) Proceedings of the International Conference on Intelligent Systems and Signal Processing . Advances in Intelligent Systems and Computing, vol 671. Springer, Singapore. https://doi.org/10.1007/978-981-10-6977-2_15

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  • DOI: https://doi.org/10.1007/978-981-10-6977-2_15

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-6976-5

  • Online ISBN: 978-981-10-6977-2

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