Method of operating a gas turbine engine

Details Method of operating a gas turbine engine Method of operating a gas turbine engine

F - Mech Eng,Light,Heat,Weapons

02

C

F02C 9/48 (2006.01) F02C 9/56 (2006.01)

Patent

CA 2687113

A method of operating a gas turbine engine (10) having a rotatable turbine shaft (14) with an electric machine (24) mounted to the shaft (14). The method includes providing supplemental acceleration and/or deceleration of the turbine shaft (14) of the gas turbine engine (10) through the use of the electric machine (24) operated as an electric motor and/or an electric generator, in order to avoid an undesirable engine speed range during engine operation.

L'invention concerne un procédé de fonctionnement d'une turbine à gaz (10) munie d'un arbre de turbine rotatif (14) et d'une machine électrique (24) montée sur l'arbre (14). Le procédé consiste à fournir une accélération et/ou une décélération supplémentaires à l'arbre de turbine (14) du moteur à turbine à gaz (10) en utilisant la machine électrique (24) comme moteur électrique et/ou générateur électrique, de façon à éviter les plages de vitesse indésirables pendant le fonctionnement du moteur.

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