A hermetically sealed vacuum load interrupter switch with...

H - Electricity – 01 – H

Patent

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Details

H01H 33/66 (2006.01) H01H 33/662 (2006.01)

Patent

CA 2263881

The invention concerns a load interrupter switch (I) for voltages in the kV range, with a vacuum interrupter chamber (2) which is surrounded in a gap-free manner by a sleeve (4) formed from elastomer material having high dielectric strength. The sleeve (4) is in turn clamped by the two halves (11 and 12) of the housing of the load interrupter switch (1). In this way, external flashover of the high voltage between the end plates (24 and 25) of the vacuum interrupter chamber (2) is effectively prevented during switching operations without the need for liquid or gaseous media. In this way, in contrast to conventional load interrupter switches, complicated monitoring is unnecessary and the load interrupter switch is not harmful to the environment.

L'invention concerne un commutateur en charge (1) pour des tensions de l'ordre du kilovolt, comportant une chambre de commutation à vide (2) entourée sans fente par une manchette (4) en matériau élastomère à haute résistance diélectrique. La manchette (4) est quant à elle maintenue serrée par les moitiés de boîtier (11 et 12) du commutateur en charge (1). Une éventuelle décharge extérieure de la haute tension entre les plaques avant (24 et 25) de la chambre de commutation à vide (2) est de ce fait évitée efficacement pendant le processus de commutation, sans qu'il soit nécessaire de recourir à des milieux liquides ou gazeux. Contrairement aux commutateurs de charge traditionnels, ce commutateur en charge n'implique par de contrôle complexe et ne présente pas de danger pour l'environnement.

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