H - Electricity – 01 – H
Patent
H - Electricity
01
H
H01H 71/46 (2006.01) H01H 33/666 (2006.01) H01H 71/12 (2006.01) H01H 31/00 (2006.01) H01H 33/02 (2006.01) H01H 33/12 (2006.01)
Patent
CA 2322901
A gas insulating switchgear comprising: a first switching unit for connecting or breaking an electric circuit between a power source and a load; a second switching unit being mechanically and electrically connected with the first switching unit and being selectively movable to an electrically conducting position, an electrically breaking position or an electrically grounding position; and an actuator being connected to supply a driving force to the second switching unit so that the second switching unit can be moved. In case that the gas insulating switch gear is applied to a switchgear having a rated insulating breakage voltage level of 125 KV, the switch gear can have a rated breakage insulating voltage of more than 125 KV (150 KV) by using the vacuum interrupter and the second switching unit each having the rated insulating voltage level of about 75 KV. In addition, by adding the earthing function using the ground terminal, a worker can do a job such as a power source or load cable installation, cable maintenance and repairing in a more safe circumstance.
Fetherstonhaugh & Co.
Lg Industrial Systems Co. Ltd.
LandOfFree
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