High-security electric power supply device

H - Electricity – 02 – J

Patent

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Details

H02J 9/06 (2006.01) H02J 1/10 (2006.01)

Patent

CA 2426725

The invention concerns an electrical power supply device, in particular designed to be installed on board an aerodyne, supplying direct current to electric consumers (C1, C2,...Cn) from at least one power system (Rx) selected by a selector circuit (32) of the device, among a plurality of power systems (R1, R2,...Rn). The power supply device comprises an adaptor (A1, A2,...An) per power system (R1, R2,...Rn), each of the adaptors supplying, from the respective power system whereto the adaptor is connected, a pre-adjusted direct current voltage (V1, V2,...Vn), powering the electric consumers. The selection by the selector circuit (32), of the power system (Rx) and its associated adaptor (Ax) powering the consumers, being based on the pre-adjusted direct current voltage level of said adaptors. The invention is useful for powering equipment onboard an aircraft.

La présente invention concerne un dispositif d'alimentation en énergie électrique, notamment pour être embarqué dans un aérodyne, alimentant en courant continu des consommateurs électriques (C1, C2,...Cn) à partir d'au moins un réseau électrique (Rx) choisi part un circuit sélecteur (32) du dispositif, parmi une pluralité de réseaux électriques (R1, R2,...Rn). Le dispositif d'alimentation comporte un adaptateur (A1, A2,...An) par réseau électrique (R1, R2,...Rn), chacun des adaptateurs fournissant, à partir du respectif réseau électrique auquel l'adaptateur se trouve connecté, une tension continue préréglée (V1, V2,...Vn), d'alimentation des consommateurs électriques. Le choix par le circuit sélecteur (32), du réseau électrique (Rx) et son adaptateur associé (Ax) alimentant les consommateurs, étant fonction du niveau de la tension continue préréglée desdits adaptateurs. Application: alimentation des équipements embarqués dans les aéronefs.

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