Gas-insulated three-pole high-voltage switch

Details Gas-insulated three-pole high-voltage switch Gas-insulated three-pole high-voltage switch

H - Electricity

01

H

306/230

H01H 33/91 (2006.01) H01H 33/02 (2006.01) H01H 33/22 (2006.01) H02B 13/035 (2006.01)

Patent

CA 2031481

A high-voltage switch 10, with a sealed metal enclosure 12 is filled with SF6, and houses three pole-units 14, 16, 18 actuated by an operating bar 78. Each pole-unit comprises a pair of stationary contacts 36 and movable contacts 54, a compression gas-blast device 64, the assembly being capped by an insulating revolution chamber 58. The latter comprises a bearing 66 guiding the sliding rod 55 in translation, and a fixed cylinder 62 cooperating with the piston 68 of the gas-blast device 64. The base of the chamber 58 is fixed by screws to the metal enclosure 12 which plays the role of ground ring for the three pole-units.

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