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Erschienen in:
2001 | OriginalPaper | Buchkapitel
New Concept of Switchgear for Replacing SF6 Gas or Gas Mixture
verfasst von : S. Yanabu, S. Arai, Y. Kawaguchi, T. Kawamura
Erschienen in: Gaseous Dielectrics IX
Verlag: Springer US
Enthalten in: Professional Book Archive
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Since 1950 years’, in order to minimize the substation area, SF6 gas insulated switchgear has been energetically developed. Even at this moment, a new principle to improve interruption ability or insulation is considered and further reduction of switchgear size is being made to innovate new GIS. At moment, 550kV-63kA one-break circuit breaker as well as 1100kV UHV breaker is realized and the former is practically used.