DISCONNECTOR HAVING GROUNDING SWITCH

摘要

PROBLEM TO BE SOLVED: To achieve an improvement in reliability of a device and downsizing the whole device by using a simple structure in an opening/closing section of a three-position disconnector.

SOLUTION: A gas-insulated switchgear disposed in a closed container comprises: two hollow conductors arranged so as to be substantially orthogonal to each other; two movable contacts for sliding the hollow conductors; two fixed contacts opposite to the movable contacts; two curved links to which the two movable contacts are connected; and a lever having two holes to which the curved links are connected and that rotates around a driving shaft. The driving shaft is arranged on a bisector of an angle formed by axes of the two hollow conductors. When two connection points where the movable contacts and the lever having two holes are respectively connected to the curved link at a side of a disconnector and two connection points where the movable contacts and the lever having two holes are respectively connected to the curved link at a side of a grounding switch are positioned in line symmetry with respect to the bisector, both the disconnector and the grounding switch are in an open state.

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