Energy management accessory for circuit breaker

Details Energy management accessory for circuit breaker Energy management accessory for circuit breaker

H - Electricity

01

H

H01H 75/00 (2006.01) H01H 3/00 (2006.01) H01H 3/26 (2006.01) H01H 71/70 (2006.01) H01H 83/00 (2006.01) H01H 83/20 (2006.01)

Patent

CA 2066714

A circuit breaker control system (24) includes a motor driven fork assembly (36), activated from a remote location, for simultaneously opening all of the breaker load contacts (54) and locking them in an open position. A DC voltage is selectively applied to energize the reversible DC motor (32). The switch (66) at the remote location can be operated to enable a user-customer to return the breaker to operable condition at the breaker site. This is accomplished with an SCR circuit (70) that is enabled by the remote switch (66) and actuated by the user to operate the motor in a reverse direction to release the load contacts.

Système de commande de disjoncteur (24) comprenant un ensemble fourche (36) entraîné par un moteur, actionné à distance, pour ouvrir en même temps tous les contacts de charge du disjoncteur (54) et les verrouiller en position ouverte. Une tension continue est sélectivement appliquée afin d'exciter le moteur CC réversible (32). Le contact (66) à l'endroit distant peut être actionné pour permettre au client/à l'utilisateur de réarmer le disjoncteur à l'endroit où ce dernier est situé. Cela est rendu possible grâce à un circuit à thyristor (70) qui est commandé à partir d'un contact à distance (66) et actionné par l'utilisateur pour inverser la marche du moteur et libérer les contacts du disjoncteur.

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