Patent ID: 6946613
Filing Date: 2005-09-20
Classification: H01H

Abstract:
1. A gas-insulated switchgear comprising: a tank filled with an electrically insulating gas; first and second conductors disposed within said tank; a disconnector for disconnecting said first conductor and said second conductor from each other; and a grounding switch for grounding said first conductor when said disconnector is in an open position; wherein said disconnector includes a first and second fixed electrode disposed on said first and second conductors, respectively, a bridging movable electrode that is always maintained in contact with said first electrode and that is slidably movable for contacting with and separating from said second fixed electrode to connect and disconnect said first and second fixed electrodes, and an operating mechanism for opening and closing operation of said movable electrode; said grounding switch includes said bridging movable electrode which is in contact with said first contact, and a third fixed grounding electrode disposed within said tank and being capable of contacting with said movable electrode when said movable electrode is separated from said second electrode; and wherein said operating mechanism is provided with an electrically insulating operating rod extending through said first fixed electrode in the direction of movement of said movable electrode.