Hitachi Energy Ltd

Alberto Zanetti

Dariusz Bednarowski

Lukasz Malinowski

Pierre Elser

Robert Platek

An insulator for a gas-insulated device is provided, including an injection-molded insulator disc and a conductor, wherein the insulator disc includes a first circumferential surface, a second circumferential surface disposed radially outwards from the first circumferential surface, and a web portion connecting the first circumferential surface and the second circumferential surface, characterized in that the web portion includes a wave structure, the web portion having an inner wave profile at the first circumferential surface and an outer wave profile at the second circumferential surface, and the inner wave profile and the outer wave profile have a radius of curvature of 2 mm or more and 10,000 mm or less.

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Zürich, Switzerland

Alberto Zanetti