Gassing insulator, and arc chute assembly and electrical...

Details Gassing insulator, and arc chute assembly and electrical... Gassing insulator, and arc chute assembly and electrical...

H - Electricity

01

H

H01H 9/34 (2006.01)

Patent

CA 2663582

A gassing insulator (300) for the arc chute assembly (50) of a circuit breaker (2) includes a number of insulating members (302,304). The arc chute assembly (50) includes first and second opposing sidewalls (102,104), and arc plates (100) having first and second ends (106,108) and first and second legs (102,104). Each insulating member (302,304) includes a first side (306,308) coupled to one of the first and second opposing sidewalls (52,54) of the arc chute assembly (50), a second side (310,312) disposed generally opposite the first side (306,308), a first end (314,316) disposed at or about the first ends (108) of the arc plates (100), and a second end (318,320) disposed distal from the first end (314,316) of the insulating member (302,304) and extending toward the second ends (108) of the arc plates (100). The first side (306,308) of the insulating member (302,304) overlays at least one of the first and second legs (102,104) of the arc plates (100), in order to electrically insulate them. An arc chute assembly (50) and an electrical switching apparatus (2) are also disclosed.

Isolateur d'isolation gazeuse (300) pour ensemble boîte de soufflage (50) de coupe-circuit (2) comprenant un certain nombre d'éléments isolants (302, 304). L'ensemble (50) comprend une première et une seconde parois latérales opposées (102, 104) et des plaques d'arc (100) à première extrémité et seconde extrémités (106, 108) et premier montant et second montant (102, 104). Chaque élément isolant (302, 304) comprend un premier côté (306, 308) couplé à l'une des deux parois opposées (52, 54) de l'ensemble (50)., un second côté (310, 312) placé en général en position opposée au premier côté (306, 308), une première extrémité (314, 316) à la première extrémité (108) des plaques d'arc (100), ou à proximité d'elle, et une seconde extrémité (318, 320) éloignée de la première extrémité (314, 316) de l'élément isolant (302, 304) et s'étendant vers la seconde extrémité (108) des plaques d'arc (100). Le premier côté (306, 308) de l'élément isolant (302, 304) chevauche au moins l'un des deux montants (102, 104) des plaques d'arc (100) de façon à les isoler. On décrit aussi un ensemble boîte de soufflage (50) et un dispositif de commutation électrique (2).

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