CUBICLE TYPE GAS-INSULATED SWITCHGEAR WITH WITHDRAWABLE CIRCUIT BREAKER PART
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United States of America Patent
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Issued Date -
Feb 28, 2013
app pub date -
Dec 30, 2011
filing date -
Aug 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a GIS (Gas Insulated Switchgear) with a withdrawable circuit breaker unit including a main bus compartment having a main bus-bar unit, a transfer bus compartment including a transfer bus-bar unit, a sealing circuit breaker compartment including a circuit breaker unit and an outgoing compartment including a current transforming unit and a cable terminal being electrically coupled to the transfer bus-bar unit. The circuit breaker unit is contained in the sealing circuit breaker compartment that is separately independent from other compartments. The circuit breaker unit is withdrawn and inserted without interrupting power supply of the outgoing compartment. The circuit breaker unit is electrically coupled to or isolated with the main bus-bar unit and the current transforming unit according to whether the circuit breaker unit is withdrawn from or inserted to the sealing circuit breaker compartment. The sealing circuit breaker compartment and the outgoing compartment do not share insulation gas.
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