An electronic trip device comprising a power supply device

Details An electronic trip device comprising a power supply device An electronic trip device comprising a power supply device

H - Electricity

02

H

H02H 3/08 (2006.01) G05F 1/618 (2006.01) H02H 1/06 (2006.01)

Patent

CA 2198273

The invention relates to an electronic trip device for a circuit breaker comprising at least one current sensor (T1, T2, T3) supplying a current to a first power supply circuit (7). A distribution line (10) connected to an output of the first power supply circuit distributes an electrical voltage regulated by a first chopping regulator (16) to electronic circuits of the trip device. The trip device comprises a second power supply circuit (9) connected to an external power source (11) and a second chopping regulator (17) connected between the second power supply circuit (9) and the distribution line (10) The second chopping regulator (17) operates in synchronized manner with the first chopping regulator.

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