Communication interface for bus connected circuit breakers

Details Communication interface for bus connected circuit breakers Communication interface for bus connected circuit breakers

H - Electricity

04

B

H04B 3/50 (2006.01) H02B 1/056 (2006.01) H02H 1/00 (2006.01) H02H 7/26 (2006.01) H02J 13/00 (2006.01)

Patent

CA 2095811

2095811 9307597 PCTABS00021 The present invention provides a circuit breaker control arrangement that is reliable, accurate and cost-effective to manufacture, install and maintain. This circuit breaker arrangement also provides increased modularity by alleviating the need for installing wires to connect each circuit breaker with the control station. The present invention uses circuit breakers (12) that contain internal control technology for interrupting and establishing an associated current path. At least one coded signal designates each circuit breaker, and a communication bus (30) carries these coded signals to each circuit breaker. Decoding technology (55) located on each circuit breaker determines whether the coded signal corresponds to that circuit breaker. If the coded signal does correspond to that circuit breaker, then the decoding technology responds by sending the appropriate response signal over the communication bus, and the circuit breaker's internal control technology either interrupts or establishes the associated current path.

Système fiable et précis de commande de disjoncteurs, dont la fabrication, l'installation et l'entretien sont rentables. Il assure une modularité accrue puisqu'il rend superflus les fils reliant chaque disjoncteur au poste de commande. Ledit système emploie des disjoncteurs (12) contenant une technologie interne de commande servant à interrompre et à établir un trajet de courant associé. Au moins un signal codé désigne chaque disjoncteur, et un bus de transmission (30) achemine ces signaux codés vers chaque disjoncteur. Une technologie de décodage (55) située au niveau de chaque disjoncteur détermine si le signal codé correspond au disjoncteur auquel elle est associée. Si c'est le cas, elle répond en émettant un signal de réponse approprié par l'intermédiaire du bus de transmission, et la technologie interne de commande du disjoncteur agit soit pour interrompre le trajet de courant associé, soit pour l'établir.

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