The Research of Vibrations Levels onto the Damage of the Turbogenerator Engine Rotors

The amplitude of vibrations and the phase angles and their changes when the rotor of turbogenerator has cracks are researched in this paper. This paper deals with two kinds of generator rotor's damage. In the first case of damage of turbogenerator rotor, the cracks appeared at the end of the cogs of the rotor's active part. In the second case cracks occurred in the middle of the cross section of the shaft, on the exciting side at the end of the shaft.