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US 12,413,053 B2Granted
Insulated earthing switch for an air insulated or mixed switchgear
AssigneeGE Vernova Infrastructure Technology LLC
InventorsLutz Drews, Detlef Braun
Life of this patent
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Abstract
The application concerns an air insulated or mixed air and gas insulated switchgear assembly including a switchgear and an earthing switch. The switchgear includes a switchgear housing. The earthing switch includes a switch housing. The earthing switch includes an insulator flange including a metallic body and a dielectric insulating layer on the metallic body. The switch housing is mechanically connected to the switchgear housing through the insulator flange.
Claims12
An air insulated or mixed air and gas insulated switchgear assembly, comprising:
- an air insulated or mixed air and gas insulated switchgear comprising a switchgear housing and a central conductor extending within the switchgear housing;
- an earthing switch comprising a switch housing, a movable contact rod and a fixed electrical contact;
- wherein the fixed electrical contact is secured to the central conductor;
- wherein the movable contact rod is movable relative to the switch housing and to the fixed electrical contact;
- wherein the movable contact rod electrically engages the fixed electrical contact when the earthing switch is in a closed position, and wherein the movable contact rod is electrically disconnected from the fixed electrical contact when the earthing switch is an opened position;
- wherein the earthing switch comprises an insulator flange comprising a metallic body and a dielectric insulating layer on the metallic body, and in that the switch housing is mechanically connected to the switchgear housing through the insulator flange.
3 more elements
Dependencies are inferred from the claim text.