Gas insulated switchgear with grounding and disconnecting switches

Abstract

A switching apparatus includes a grounded, insulating gas-filled housing, the housing having a housing wall, and a power circuit-breaker disposed in the housing. The apparatus further includes a current connection for a first busbar, a current connection for a second busbar, and a current connection for a load outgoer. The apparatus further includes a grounding switch disposed in the housing, the grounding switch being connected between the power circuit-breaker and the current connection for the load outgoer, and a busbar disconnector, the busbar disconnector being connected between the current connection of the first busbar and the power circuit-breaker and between the current connection of the second busbar and the power circuit-breaker. An outwardly extended, first tubular flange arrangement is attached over a first opening in the housing wall, and an outwardly extended, second tubular flange arrangement is attached over a second opening in the housing wall. A first outdoor bushing is provided, the first outdoor bushing being fastened to the first tubular flange attachment, the current connection for the first busbar extending through the first outdoor bushing. A second outdoor bushing is provided, the second outdoor bushing being fastened to the second tubular flange attachment, the current connection for the second busbar extending through the second outdoor bushing. The busbar disconnector is movable between at least three positions, the busbar disconnector having a first and a second fixed contact and a movable contact arrangement, the movable contact arrangement interacting with the first and second fixed contacts and being electrically conductively connected to the power circuit-breaker, the first fixed contact defining an end of the current connection of the first busbar and being disposed in the housing, and the second fixed contact defining an end of the current connection of the second busbar and being disposed in the housing.

Dependencies are inferred from the claim text.