Electrical circuit interrupting device

H - Electricity – 01 – H

Patent

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Details

H01H 3/22 (2006.01) H01H 9/00 (2006.01) H01H 33/66 (2006.01) H01H 33/666 (2006.01) H01H 75/04 (2006.01) H01H 33/02 (2006.01) H01H 71/12 (2006.01)

Patent

CA 2448487

A circuit interrupting device (10) for use with an electrical power distribution system, comprising a circuit interrupter (18) that includes a primary contact (32) and a movable contact (34) movable relative to the primary contact (32) between a closed position allowing current to pass through the circuit interrupter and an open position separating the contacts (32, 34) and preventing the current from passing through the circuit interrupter (18). An actuator (20) is coupled to the circuit interrupter (18). The actuator (20) includes a shaft (58) coupled to the movable contact (34) of the circuit interrupter (18) for substantially simultaneous movement without insulation being disposed between the shaft (58) and the movable contact (34). The shaft (58) moves the movable contact (34) from the closed position of the open position upon occurrence of a fault current. An electronic control (22) is electrically connected to the actuator (20) and in communication with the actuator (20) to trigger the shaft (58) to move the movable contact (34) of the circuit interrupter (18) from the closed position to the open position.

L'invention concerne un dispositif d'interruption (10) de circuits destiné à être utilisé avec un système de distribution d'énergie électrique, comprenant un interrupteur (18) de circuit lequel comprend un contact primaire (32) et un contact mobile? ¿(34) lequel est mobile par rapport au contact primaire (32) entre une position fermée permettant le passage du courant à travers l'interrupteur du circuit et une position ouverte séparant les contacts (32, 34) et empêchant le courant de passer à travers l'interrupteur (18) de circuit. Un actionneur (20) est couplé à l'interrupteur (18) de circuit. L'actionneur (20) comprend une barrette (58) couplée au contact mobile (34) de l'interrupteur (18) de circuit afin d'avoir un mouvement sensiblement simultané sans qu'une isolation ne soit disposée entre la barrette (58) et le contact mobile (34). La barrette (58) déplace le contact mobile (34) de la position fermée à la position ouverte lorsque se produit un courant de défaut. Une commande électronique (22) est connectée électriquement à l'actionneur (20) et se trouve en communication avec ledit actionneur (20) pour déclencher la tige (58) afin de déplacer le contact mobile (34) de l'interrupteur (18) de circuit de la position fermée à la position ouverte.

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