Gas Insulated Switchgear
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United States of America Patent
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Oct 7, 2014
Grant Date -
Jul 31, 2014
app pub date -
Apr 16, 2012
filing date -
Jul 19, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A gas insulated switchgear including a circuit breaker, a first through third switches, a voltage transformer, a cable head, a gas insulated busbar unit, and first and second current transformers is provided. The gas insulated busbar unit is connected with the second current transformer and the first and second switches are connected with a bottom of the gas insulated busbar unit. The third switch is connected with the first current transformer, the cable head is connected with the third switch, and the voltage transformer is connected with a top of the cable head. The first and second current transformers are respectively connected with first and second sides of the circuit breaker.
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