Gas-insulated switchgear device
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United States of America Patent
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Aug 19, 2008
Grant Date -
Jul 5, 2007
app pub date -
Dec 26, 2006
filing date -
Dec 27, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed is a gas-insulated switchgear device, in which a space for dismantlement and inspection work which facilitates the dismantlement and inspection work of circuit breakers at the time of the occurrence of accidents of the circuit breakers are provided and an installation area for the gas-insulated switchgear device can be reduced.The gas-insulated switchgear device includes a pair of spaced apart main bus lines, three circuit breakers connected between the main bus lines, a common space for dismantlement and inspection work provided between two of the three circuit breakers, and branch bus lines provided above the common dismantlement and inspection work space using the common dismantlement and inspection work space and disposed in such a manner that insulatedly leading-out directions of the branch bus lines cross in order to balance voltage. Even if the three circuit breakers are disposed along axial directions of the main bus lines, the dismantlement and inspection work space can be also used for arranging of the branch bus lines, whereby an installation area for the gas-insulated switchgear device can be reduced in a juxtaposition direction of the circuit breakers.
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