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Wireless partial discharge tracking on cross-linked polyethylene MV and HV cables

  • Autori: Madonia, A.; Sanseverino, E.; Romano, P.; Troia, I.; Bononi, S.; Albertini, M.; Giannini, S.; Mazzanti, G.
  • Anno di pubblicazione: 2018
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • Parole Chiave: cable insulation; cross-linked polyethylene insulation; fault diagnosis; fault location; partial discharge; power cable; power cable testing; Electronic, Optical and Magnetic Materials; Electrical and Electronic Engineering
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Medium voltage (MV)/high voltage (HV) cable lines are high-value assets and require substantial costs for their installation or replacement. For this reason, the capability to assess the condition of cable lengths and accessories on site is of great importance. Cross-linked polyethylene (XLPE) insulation is extensively used for MV, HV, and extra-high voltage (EHV) class cables [1] thanks to its excellent voltage-endurance and thermomechanical properties. In particular, XLPE-insulated cables feature substantially lower losses, easier manufacturing and jointing procedures, better environmental compatibility, and higher operating temperature compared with impregnated paper cables, which lead to lower costs in procurement and operation [2], [3].