Generator for gas turbine engine having dc bus fault short...

B - Operations – Transporting – 64 – D

Patent

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Details

B64D 41/00 (2006.01) B64D 33/00 (2006.01) F01D 15/10 (2006.01) H02H 7/06 (2006.01) H02K 7/18 (2006.01)

Patent

CA 2638648

An aircraft electrical system comprises a generator to be driven as part of a gas turbine engine. The generator supplies electrical power to a plurality of accessories associated with the gas turbine engine, and to an aircraft DC bus in parallel to the supply to the accessories. A battery supplies voltage to a control circuit for the generator through a selectively opened and closed switch. A control detects a short circuit on the aircraft DC bus. The battery switch allows power from the battery to flow to provide control voltage for the generator when the control detects a short circuit on the aircraft DC bus.

Un système électrique d'aéronef comprend une génératrice à entraîner comme faisant partie d'un moteur de turbine à gaz. La génératrice fournit de l'énergie électrique à plusieurs accessoires associés au moteur de turbine à gaz, et à une barre omnibus de courant continu pour aéronef en parallèle à la fourniture des accessoires. Une batterie fournit de la tension à un circuit de commande pour le générateur au moyen d'un contact sélectivement ouvert et fermé. Un capteur détecte un court-circuit sur la barre omnibus de courant continu pour aéronef. Le contact de batterie permet à l'énergie de la batterie de s'écouler afin de fournir une tension de commande pour le générateur si le capteur détecte un court-circuit sur la barre omnibus de courant continu pour aéronef.

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