Impact of Different Static Air-Gap Eccentricity Forms on Rotor UMP of Turbogenerator

Figure 8

Rotor UMP caused by mixed eccentricity faults: (a) time domain waves and (b) UMP spectra, respectively, in the case of 12.5% rotor offset and 12.5% stator core ellipse, 25% rotor offset and 25% stator core ellipse, and 37.5% rotor offset and 37.5% stator core ellipse (from left to right).

(a)

(b)