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Titolo:
Correlation between space charge distribution and water-tree location in aged XLPE cable
Autore:
Suzuki, K; Tanaka, Y; Takada, T; Ohki, Y; Takeya, C;
Indirizzi:
Musashi Inst Technol, Tokyo 158, Japan Musashi Inst Technol Tokyo Japan 158 ashi Inst Technol, Tokyo 158, Japan Waseda Univ, Tokyo 160, Japan Waseda Univ Tokyo Japan 160Waseda Univ, Tokyo 160, Japan Tatsuta Elect Wire & Cable Co Ltd, Osaka, Japan Tatsuta Elect Wire & CableCo Ltd Osaka Japan able Co Ltd, Osaka, Japan
Titolo Testata:
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION
fascicolo: 1, volume: 8, anno: 2001,
pagine: 78 - 81
SICI:
1070-9878(200102)8:1<78:CBSCDA>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
5
Recensione:
Indirizzi per estratti:
Indirizzo: Suzuki, K Musashi Inst Technol, Tokyo 158, Japan Musashi Inst Technol Tokyo Japan 158 Technol, Tokyo 158, Japan
Citazione:
K. Suzuki et al., "Correlation between space charge distribution and water-tree location in aged XLPE cable", IEEE DIELEC, 8(1), 2001, pp. 78-81

Abstract

The correlation between charge distribution in an aged crosslinked polyethylene (XLPE) cable and the location of water trees has been studied. The space charge radial distributions at different angle in the insulating wall of a service-aged XLPE coaxial cable, induced by application of a de stress,were measured using the pulsed electroacoustic (PEA) method. Furthermore, a cross section of sliced insulating wall was observed with an optical microscope to compare with the radial space charge distribution. The cable under investigation was electrically aged in service at 6.6 kV ac for 25 years in wet conditions. Water trees were found at the position in which space charge was observed. On the other hand, no water tree was found at the position in which the space charge was not observed. Judging from these results, the space charge measurement seems to be useful for the diagnosis of water trees in aged cables.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/07/20 alle ore 20:29:12