Hitachi Energy Ltd

Loic Fave

Richard Thomas

Hauke Peters

Peter Stengard

Ulrich Straumann

Saskia Buffoni

Johannes Hengstler

Manuel Naef

A power device includes a gas chamber adapted to include an insulation gas under a set of use conditions including a predetermined installation pressure, and an insulation component including a material in which said insulation gas is soluble and being arranged in relation to said gas chamber so as to be at least partly exposed to said insulation gas when the power device is in said use state. The power device has a delivery state, being a state of said power device before and/or at an installation time at which the power device is installed in said electric energy power arrangement under said set of use conditions including said installation pressure of said insulation gas in said gas chamber, wherein, in said delivery state, said insulation component includes an amount of pre-filled insulation gas which is dissolved in the material of the insulation component.

Power device comprising an insulation gas for use in an electric energy power arrangement

The present invention relates to a method for re-establishing an electrical apparatus of medium or high voltage. The method includes

Method for re-establishing an electrical apparatus of medium or high voltage

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Fribourg, Switzerland

Loic Fave