Ramp sinusoidal breakdown of epoxy resin under high voltage waveforms at different frequencies

Conference paper (2021)

Authors

W. Zhao High Voltage Technology Group - EEMCS
T. Luo High Voltage Technology Group - EEMCS
M. Ghaffarian Niasar High Voltage Technology Group - EEMCS
Research Group
High Voltage Technology Group (EEMCS) (TU Delft)
Copyright: © 2021 W. Zhao, T. Luo, M. Ghaffarian Niasar
DOI: https://doi.org/10.1049/icp.2022.0291
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Published Date

2021

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Electrical Sustainable Energy

Research Group

High Voltage Technology Group

Abstract

In this study, the immediate time to breakdown for pure epoxy resin is measured by applying a ramp sinusoidal voltage signal at certain frequency (50Hz, 500Hz and 5000Hz) until breakdown occurs. The HV testing procedures, epoxy resin sample and experimental set-up preparation and Weibull analysis of obtained results are elaborated. The experiments were carried out on epoxy samples with the thickness between 0.1mm and 0.2mm and the thickness was divided into three groups for more accurate statistical analysis.