Stator Vibration Characteristic Identification of Turbogenerator among Single and Composite Faults Composed of Static Air-Gap Eccentricity and Rotor Interturn Short Circuit

Figure 1

Air gap and MMFs of turbogenerator under different conditions.

(a) Normal ()

(b) SAGE ()

(c) MMF under normal condition and SAGE

(d) MMF under RISC and CF