High-voltage power switch with a field electrode

Details High-voltage power switch with a field electrode High-voltage power switch with a field electrode

H - Electricity

01

H

H01H 33/04 (2006.01) H01H 33/24 (2006.01) H01H 33/91 (2006.01)

Patent

CA 2179201

High-Voltage Power Switch with a Field Electrode According to the invention, in a high-voltage power switch with a first and a second contact piece (1, 2) that delimit an air gap in the switched-off state, a compression piston (3) that surrounds the first contact piece (1), a drivable compression cylinder (4) that surrounds the second contact piece (2) in the switched-on state, and a first field electrode (9) that surrounds the second contact piece (2) in the switched-off state and is axially movable in relation thereto, the first field electrode (9) is insulated from the compression cylinder (4) and axially movable in relation thereto and the compression cylinder (4) exhibits a distance in relation to the second contact piece (2) in the switched-off state:

Un sectionneur de puissance de haute tension comprend des première et deuxième pièces de contact (1, 2) qui délimitent un espace intercontact à l'état hors tension. Un piston de compression (3) entoure la première pièce de contact (1), un cylindre de compression entraînable (4) entoure la deuxième pièce de contact (2) à l'état sous tension et une première électrode de champ (9) axialement mobile par rapport à la deuxième pièce de contact (2) entoure celle-ci à l'état hors tension. La première électrode de champ (9) est séparée du cylindre de compression (4) et peut se déplacer dans le sens axial par rapport à celui-ci, et le cylindre de compression (4) est écarté de la deuxième pièce de contact (2) à l'état hors tension.

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