GAS INSULATED ELECTRIC APPARATUS

The invention relates to a gas insulated electric apparatus (1) comprising an enclosure (2), an electric high voltage appliance (3) arranged inside the enclosure (2) and a permeation barrier (5) arranged within the enclosure (2) and circumferentially surrounding the electric high voltage appliance (...

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Bibliographic Details
Main Authors Fave, Loïc, Kochetov, Roman, Kruesi, Urs, Boehm, Moritz, Keller, Markus M, Hengstler, Johannes
Format Patent
LanguageEnglish
French
German
Published 01.03.2023
Subjects
BASIC ELECTRIC ELEMENTS
BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER
CABLES
CONDUCTORS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
GENERATION
INSULATORS
RELAYS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
SELECTORS
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Summary:The invention relates to a gas insulated electric apparatus (1) comprising an enclosure (2), an electric high voltage appliance (3) arranged inside the enclosure (2) and a permeation barrier (5) arranged within the enclosure (2) and circumferentially surrounding the electric high voltage appliance (3), whereby the enclosure (2) contains an insulation gas (4) comprising at least 70 % by volume of CO2 and comprising an elevated and pre-determined operating gas pressure level, and the permeation barrier (5) comprises a permeation layer (6) surrounded on at least one side by a flow promoter layer (7) and/or a surface activation and/or primer layer (8).
Bibliography:Application Number: EP20210193652