Gas-insulated switchgear device
AssigneeABB Service S.r.l.
InventorsCostante Piazza, Libero Sfondrini, Aldo Sciacca
Life of this patent
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Abstract
A gas-insulated switchgear device which has a first bushing which accommodates a first terminal, a second bushing which accommodates a second terminal, a first enclosure which contains an interruption unit, and at least one first disconnection unit which has a first fixed contact electrically connected to the interruption unit and a second fixed contact at ground voltage, a first moving contact which is electrically connected to the first terminal and can be coupled to the first and second fixed contacts, the moving contact being fixed to a rotary operating element and rotating rigidly therewith, the fixed contacts that can be coupled to the moving contact lying on the rotation plane of the moving contact.
Claims16
A gas-insulated switchgear device, having:
- a first bushing which accommodates a first terminal and a second bushing which accommodates a second terminal;
- a first enclosure which contains an interruption unit;
- and
- at least one first disconnection unit which has a at fixed contact which is electrically connected to said interruption unit, and a second fixed contact at ground voltage, and a first moving contact which is electrically connected to the first terminal and can be coupled to said first and second fixed contacts, said fit moving contact being fixed to a rotary operating element and rotating rigidly therewith, the first and second fixed contacts lying on the rotation plane of said first moving contact, where said rotary operating element comprises a shaft made of insulating material, said shaft having an end which is connected to the first terminal and being suitable to support it structurally.
Dependencies are inferred from the claim text.