High or medium voltage circuit breaker

Details High or medium voltage circuit breaker High or medium voltage circuit breaker

H - Electricity

01

H

H01H 33/64 (2006.01) H01H 33/10 (2006.01) H01H 33/18 (2006.01) H01H 77/10 (2006.01)

Patent

CA 2147576

A medium- or high-voltage circuit breaker including, in a casing filled with dielectric gas, an interrupter chamber (30) in which metal plates (14) are arranged to break up the electric arc into several elementary arcs being acted upon by a magnetic field, characterized by a helical insulator (13) applied around a central generator (13a), this insulator being arranged on the inside perimeter of the chamber and around a conductive electrode (12) and the metal plates being arranged along the insulator, around and at some distance from the conductive electrode.

Un disjoncteur à moyenne ou haute tension comprenant, dans une enveloppe remplie d'un gaz diélectrique, une chambre de coupure (30) dans laquelle sont disposées des plaques métalliques (14) pour fractionner un arc électrique en une multitude d'arcs élémentaires sous l'action d'un champ magnétique, caractérisé par une rampe isolante hélicoïdale (13) s'enroulant autour d'une génératrice centrale (13a), cette rampe étant disposée sur la partie périphérique intérieure de la chambre et autour d'une électrode conductrice (12) et les plaques métalliques étant disposées le long de ladite rampe, autour et à distance de l'électrode conductrice.

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