Method for regulating a turbomachine
AssigneeSafran
InventorsGuillaume François Daniel BIDAN, Antoine Pierre Emmanuel FERRAND
Life of this patent
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Abstract
A turbomachine may include a high-pressure turbine connected to a high-pressure shaft and a low-pressure turbine connected to a low-pressure shaft, the hot gases leaving the high-pressure turbine driving the low-pressure turbine. A method for regulating the turbomachine includes electrically assisting the high-pressure shaft in order to provide said high-pressure shaft with electrical energy in addition to thermal energy obtained from a combustion chamber of the turbomachine, for an assistance period, and correcting the speed of the low-pressure shaft to achieve a reference speed of the low-pressure shaft that was previously determined in the absence of electrical assistance.
Claims13
1-11. (canceled)
Method for regulating a turbomachine, the turbomachine comprising an electric machine, a combustion chamber, a high-pressure turbine connected to a high-pressure shaft and a low-pressure turbine connected to a low-pressure shaft, wherein hot gases exiting the high-pressure turbine drive the low-pressure turbine, the method comprising:
- assisting the high-pressure shaft by means of the electric machine, in order to provide said high-pressure shaft with mechanical energy coming from electrical energy supplied to the electric machine, to supplement thermal energy coming from the combustion chamber of the turbomachine, during an assistance period;
- and
- correcting a speed of the low-pressure shaft in order to reach a reference speed of the low-pressure shaft that was previously determined in absence of electrical assistance by the electric machine.
Dependencies are inferred from the claim text.