Partial discharge inception V-t characteristics for pressurized liquid nitrogen/PPLP® composite insulation system

M. Hazeyama*, N. Hayakawa, S. Honjo, T. Masuda, H. Okubo

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

3 Citations (Scopus)

Abstract

In this paper, we discussed partial discharge (PD) inception characteristics and V-t characteristics of PD inception in liquid nitrogen (LN2)/polypropylene laminated paper (PPLP®) composite insulation system for high temperature superconducting (HTS) cable. Experimental results revealed that the magnitude of initial PD was in the range of 2.0-30 pC irrespective of butt gap condition and the initial PD was generated at the first and third quadrant of voltage phase independent of the pressurized condition of LN2. Furthermore, life time indices n of V-t characteristics at PD inception were experimentally identified and the dependency on the pressure of LN2 was clarified.

Original languageEnglish
Pages123-126
Number of pages4
Publication statusPublished - 2002
Externally publishedYes
EventProceedings of the 2000 14th IEEE International Conference on Dielectric Liquids (ICDL '02) - Graz, Australia
Duration: 2002 Jul 72002 Jul 12

Conference

ConferenceProceedings of the 2000 14th IEEE International Conference on Dielectric Liquids (ICDL '02)
Country/TerritoryAustralia
CityGraz
Period02/7/702/7/12

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

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