Recloser-automatic switch for aerial power lines of the tel...

H - Electricity – 02 – B

Patent

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Details

H02B 13/035 (2006.01) H01H 71/00 (2006.01) H01H 73/02 (2006.01) H02B 13/01 (2006.01) H01H 33/66 (2006.01) H02B 5/02 (2006.01)

Patent

CA 2296429

The present invention relates to a recloser that comprises a vacuum switch having its contacts in the shape of current inputs as well as transmission- type transformers connected to said current inputs. These components are all coated with a polymeric isolation material which is covered by a metallic protection casing attached to the isolation of the current inputs. All conductive parts are isolated so that a loss in the casing tightness has no incidence on the operation capacity of the apparatus. The current inputs are connected to isolated conductors by collet clamps and protected by an atmosphere-resistant resin-based isolation. The lower part of the casing is made of an atmosphere-resistant semi-unbreakable glass of the Lexan type so that the position indicator of the switch remains clearly visible and that the operation of the vacuum switch can be visually monitored.

Cette invention concerne un réenclencheur qui comprend un commutateur sous vide, dont les contacts se présentent sous forme d'entrées de courant, ainsi que des transformateurs de courant de type transmission qui sont connectés aux entrées de courant. Ces composants sont tous recouverts d'un isolant polymère sur lequel on place un boîtier de protection métallique que l'on fixe à l'isolation des entrées de courant. Toutes les parties conductrices sont isolées de manière à ce qu'une perte d'étanchéité du boîtier n'ait aucune influence sur la capacité de fonctionnement de l'appareil. Les entrées de courant sont connectées à des conducteurs isolés par des fixations de type manchon, et sont protégées par une isolation à base de résine résistant aux attaques de l'atmosphère. La partie inférieure du boîtier est faite d'un verre résistant aux attaques de l'atmosphère et semi-incassable de type Lexan, lequel permet d'observer clairement l'indicateur de position de l'interrupteur et de contrôler visuellement le fonctionnement de l'interrupteur sous vide.

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