Encapsulated Switchgear
AssigneeABB Technology AG
InventorsMaik Hyrenbach, Ole Granhaug, Max-Steffen Claessens, Per Skarby
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Abstract
An encapsulated switchgear that includes a housing defining, an insulating space, and an electrical active part arranged in the insulating space, the insulating space with an insulation medium. The switchgear is characterized in that the insulation medium with a dielectric compound having a boiling point of above −5° C.
Claims19
An encapsulated switchgear comprising a housing defining an insulating space and an electrical active part arranged in the insulating space, said insulating space comprising an insulation medium, characterized in that the insulation medium comprises a dielectric compound having a boiling point of above −5° C.
The encapsulated switchgear according 3, characterized in that the fluoroketone is a perfluorinated ketone having the molecular formula C6F12O.
A method of providing an insulation medium for an encapsulated switchgear, comprising the step of utilizing a dielectric compound having a boiling point of above −5° C. in said insulation medium for the encapsulated switchgear, said insulation medium comprising at operational conditions an insulation gas comprising a gaseous part of the dielectric compound, said gaseous part being in equilibrium with a liquid part of the dielectric compound.
The encapsulated switchgear according 4, characterized in that the fluoroketone is dodecafluoro-2-methylpentan-3-one.
Dependencies are inferred from the claim text.