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Erschienen in:
2001 | OriginalPaper | Buchkapitel
Creeping Flashover Characteristics of Under Pulse Voltage in N2/SF6 Mixtures
verfasst von : Hideki Ueno, Fumimasa Kamatani, Yoshihiro Egawa, Hiroshi Nakayama
Erschienen in: Gaseous Dielectrics IX
Verlag: Springer US
Enthalten in: Professional Book Archive
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SF6 gas has excellent dielectric insulating properties, and the application to the electric power apparatuses such as a GIS has contributed to the improvement of the reliability and miniaturization.1 However, a significant decrease of dielectric strength is induced under a nonuniform electric field by the existence of a protrusion on the conductor or a metal particle, or by invasion of an steep front surge.2,3 Moreover, recently the leakage of SF6 is regulated like CO2, because the ability of contribution to green-house effect is very high compared with that of CO2.4