Motorbromssystem för en gasturbin samt förfarande för motorbromsning av en gasturbin

摘要

Method and arrangement for providing a gas turbine ( 1 ) having a first compressor ( 2 ), a combustion chamber ( 16 ) and a first turbine ( 11 ), the turbine being adapted to drive the compressor via a first shaft ( 10 a, 10 b). The gas turbine also has a bleed valve ( 12 ) arranged upstream of the first turbine for conducting part of a gas compressed by the compressor past it during engine braking. The invention also relates to a method for engine-braking a gas turbine.