| 摘要 |
A stall detection and recovery system ( 10 ) for a gas turbine engine ( 1 ) comprises surge detection means ( 50 for detecting an engine surge and providing a surge detection signal ( 154 ) for indicating said engine surge. The system also includes stall detection means to provide a stall detection signal ( 48 ) relating to a condition of gas flowing through the engine ( 1 ). The system ( 10 ) also includes stall recovery means ( 58 ) to receive the surge detection signal ( 154 ) and the stall detection signal. The stall recovery means ( 58 ) is arranged to control combustor operating means, whereby when the stall detection signal ( 48 ) indicates an engine stall, the stall recovery means controls the combustor operating means to effect recover from the stall.
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