Abstract: Crack failures continually occur in shafts of turbine generator, where grid disturbance is an important cause. To estimate influences of grid disturbance, coupled torsional vibration and fatigue damage of turbine generator ...

Abstract: In recent years, bowing of steam turbine rotor under long time service occurs in several highparameter units. Collected data show that the bending of the haywire rotor is increasing continuously, which results in excessive ...