GAS-INSULATED MEDIUM-OR HIGH-VOLTAGE ELECTRICAL APPARATUS INCLUDING HEPTAFLUOROISOBUTYRONITRILE AND TETRAFLUOROMETHANE

The present invention relates to medium- or high-voltage equipment comprising a leaktight enclosure in which there are located electrical components and a gas mixture for providing electrical insulation and/or for extinguishing electric arcs that are likely to occur in the enclosure, the gas mixture...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Willieme Jean-Marc, Kieffel Yannick
Format:	Patent
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	The present invention relates to medium- or high-voltage equipment comprising a leaktight enclosure in which there are located electrical components and a gas mixture for providing electrical insulation and/or for extinguishing electric arcs that are likely to occur in the enclosure, the gas mixture comprising heptafluoroisobutyronitrile and tetrafluoromethane. Electrical components covered in solid dielectric layers of varying thickness are located inside the leaktight enclosure of the equipment of the invention.