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Titolo:
Partial discharge and breakdown mechanisms in ultra-dilute SF6/N-2 gas mixtures
Autore:
Yamada, T; Ishida, T; Hayakawa, N; Okubo, H;
Indirizzi:
Nagoya Univ, Dept Elect Engn, Nagoya, Aichi 464, Japan Nagoya Univ NagoyaAichi Japan 464 t Elect Engn, Nagoya, Aichi 464, Japan
Titolo Testata:
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION
fascicolo: 1, volume: 8, anno: 2001,
pagine: 137 - 142
SICI:
1070-9878(200102)8:1<137:PDABMI>2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
9
Recensione:
Indirizzi per estratti:
Indirizzo: Yamada, T Nagoya Univ, Dept Elect Engn, Nagoya, Aichi 464, Japan Nagoya Univ Nagoya Aichi Japan 464 gn, Nagoya, Aichi 464, Japan
Citazione:
T. Yamada et al., "Partial discharge and breakdown mechanisms in ultra-dilute SF6/N-2 gas mixtures", IEEE DIELEC, 8(1), 2001, pp. 137-142

Abstract

With the goal of reducing SF6 gas usage, we investigated partial discharge(PD) and breakdown (BD)mechanisms in ultra-dilute (0 to 1%) SF6/N-2 gas mixtures. The experimental results and discussions are given in this paper. In particular, we focused our research on the transition characteristics of the electrical insulation performance with an extremely small amount of SF6content, the PD behavior an the applied voltage, and the relation among prebreakdown streamer, return stroke and ED. Moreover, we discussed the PD and ED mechanisms with reference of space charge behavior. From these results, the transition threshold at which the influence of SF6 gas on the discharge characteristics began to appear, was clarified to be SF6 content k=10 ppm for a total pressure of 0.1 MPa.

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Documento generato il 30/09/20 alle ore 09:41:21