Actuator Circuit Breaker


    This work used an available piezoelectric actuators. Contact opening speedsare assessed is characterized under this operating regime. This could permit direct actuation using a piezoelectric actuator. The stroke of the actuator studied here is in the right order of magnitude

    The arc control on the contacts is critical for

    • a successful current interruption 10,000-100,000 A.
    • in low voltage 250 Volts devices




    A novel contact opening mechanism has been developed using a piezoelectric actuator to open the contacts in a low contact opening velocity circuit breaker !


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