Patent ID: 8605412
Filing Date: 2013-12-10
Classification: H02B

Abstract:
1. A gas insulated switchgear comprising a three-phase unit, the three-phase unit including breaker units for three phases, the breaker units being juxtaposed in a second direction that is a horizontal direction, orthogonal to a horizontal, first direction, each of the breaker units including first to third breakers arranged between first and second main buses that extend in the first direction at the same height, the first to third breakers being arranged and connected in series while matching axes of their breaker tanks to one another on the same line parallel to the first direction; and a pair of disconnectors annexed to both sides of an upper portion of each of the breakers, wherein: each of the disconnectors annexed to the first to third breakers is arranged while a longitudinal direction of the disconnector is set to the second direction so that a switching direction of the disconnector is equal to the second direction; one of the disconnectors annexed to the first breaker is connected to the first main bus; the other of the disconnectors annexed to the first breaker is connected to a first line bus and to one of the disconnectors annexed to the second breaker; the other disconnector annexed to the second breaker is connected to a second line bus and to one of the disconnectors annexed to the third breaker; and the other of the disconnectors annexed to the third breaker is connected to the second main bus.