Patent ID: 6521855
Filing Date: 2003-02-18
Classification: H01H,H02B

Abstract:
A hybrid gas insulation switchgear apparatus comprising:an enclosure in which an insulating gas is sealed; a bushing unit provided for the enclosure and including a plurality of bushings; a breaker unit disposed inside the enclosure; a disconnector unit disposed inside the enclosure and including disconnectors to be connected electrically in series to both sides of the breaker unit, said disconnector being provided with a movable electrode and a stationary electrode in which said movable electrode is disposed on a side of the bushing; an earth switch unit disposed inside the enclosure and including earth switches disposed between the breaker unit and the disconnectors, respectively, and said earth switches being provided with main pole side electrodes disposed on the side of the breaker unit; and a current transformer unit mounted to the enclosure, each of said bushings having a conductor connected to the movable electrode of the disconnector on a side opposite to the breaker unit, and said conductor of the bushing and the movable electrode of the disconnector being supported and fixed in the enclosure by insulating members.