Safran Electrical & Power

Vincent Chaperon

Abdoulahad Thiam

Samir Nehme

Rémi Goncalves

Damien Elmaalouf

Raïs M'fumu Ambil

A device for monitoring and protecting equipment powered by at least one solid-state power controller (SSPC) including at least one current measurement circuit having a current measuring transformer receiving at a primary at least three phases of a three-phase power supply of the equipment, a measuring and testing module including a controller for measuring a current at a secondary I, representative of a differential current Iat the primary, and a channel for injecting current into said transformer, the channel having a current Igenerator controlled by an output of the controller and connected to an injection winding on the transformer, the injection winding including a number of turns Nso that the current Iproduces in said measurement windings a test current Iof said secondary in the absence of current at the primary.

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Blagnac, France

Vincent Chaperon