Areva T&d Sa

Supergrid Institute

Eric Courbon

Jean-Pierre Dupraz

Jean-Luc Thomas

Ernst Suter

Serge Poullain

Robert Lüscher

Alberto Bertinato

Sylvain Plante

Boussaad Ismail

Serge Poulain

Alessandro Tundo

Fabrizio Callari

Ludovic Boyer

A device for controlling a circuit-breaker intended for opening and closing this electric power cut-off device comprising a mobile contact, this control device comprising a motor with a rotary output shaft and being connected to power supply means and actuating means transforming the output displacement of the motor into a displacement of the contact, this device also comprising a mechanical spring arrangement involved in opening and closing the contact. The actuation means include a set of jointed elements providing the connection of the rotary shaft and of the ring, and, in the closed position of the contact, the set of jointed elements is near a dead centre position, a so-called open dead centre, the opening spring being only able to drive it towards the open position upon moving past this dead centre during opening.

Device for controlling an electric power cutoff device

Growing community of inventors

Arpajon, France

Eric Courbon