Study of the Behavior of Water Droplets Under the Influence of a Uniform Electric Field on Conventional Polyethylene and on Crosslinked Polyethylene (XLPE) with MgO Nanoparticles Samples

  • C. Charalambous Department of Electrical & Computer Engineering, Democritus University of Thrace, Greece
  • M. Danikas Department of Electrical & Computer Engineering, Democritus University of Thrace, Greece
  • Y. Yin Shanghai Jiao Tong University, China
  • N. Vordos Hephaestus Advanced Laboratory, Eastern Macedonia and Thrace Institute of Technology, Greece
  • J. W. Nolan Hephaestus Advanced Laboratory, Eastern Macedonia and Thrace Institute of Technology, Greece
  • A. Mitropoulos Hephaestus Advanced Laboratory, Eastern Macedonia and Thrace Institute of Technology, Greece
Volume: 7 | Issue: 1 | Pages: 1323-1328 | February 2017 | https://doi.org/10.48084/etasr.813

Abstract

It is well known that polyethylene (PE) and cross-linked polyethylene (XLPE) are suitable insulating materials for underground cables. Samples of PE and of XLPE with MgO nanoparticles were investigated regarding their flashover behaviour with a uniform electric field and water droplets of various conductivities. In the present paper, the effect of the mounting arrangement of the water drops on the value of the flashover voltage and the effect of the volume of dripping water on the flashover voltage were also studied. Surface damages were analyzed using Scanning Electron Microscopy (SEM) studies and the study of the nano-structure of the samples was studied using the SAXS system.

Keywords: polyethylene, cross-linked polyethylene, flashover, surface discharges, polymer nanocomposites

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