Safety device for a semiconductor switch

Details Safety device for a semiconductor switch Safety device for a semiconductor switch

H - Electricity

03

K

H03K 17/082 (2006.01) H02H 9/00 (2006.01)

Patent

CA 2649225

The purpose of the invention is a safety device for a semiconductor switch controlling a secondary line (2) provided with a fuse (3) on the input side of the switch device that comprises component (4) to create a short circuit in the secondary line, so as to cut off the fuse (3), and means (5, 6, 7) of activating this component (4) following detection of an overcurrent in the secondary line.

L'objet de l'invention est un dispositif de sécurité, pour dispositif interrupteur semi-conducteur commandant une ligne secondaire (2) munie d'un fusible (3) en amont du dispositif interrupteur qui comporte un composant (4) de mise en court circuit de la ligne secondaire, en sorte de couper le fusible (3), et des moyens (5, 6, 7) d'activation de ce composant (4) sur détection d'une surintensité dans la ligne secondaire.

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