Residual differential device equipped with a surveillance...

Details Residual differential device equipped with a surveillance... Residual differential device equipped with a surveillance...

H - Electricity

02

H

348/26

H02H 3/16 (2006.01) H02H 1/06 (2006.01) H02H 3/08 (2006.01) H02H 3/253 (2006.01)

Patent

CA 1207425

ABSTRACT RESIDUAL DIFFERENTIAL DEVICE EQUIPPED WITH A SURVEILLANCE SYSTEM FOR THE ELECTRONIC POWER SUPPLY The electronics of a residual differential device is powered by means of several sources derived from the electrical system (14, 16, 18). A supply anomaly detector (36) signals the failure of one of the supply sources caused, for example, by a break in one of the wires (14, 16, 18). The anomaly detector signals the break in this wire and sends a tripping order to the protection circuit breaker (10).

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