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

Table 2

Primary parameters of SDF-9 type generator.

Parameter	Value
Rated capacity	7.5 kVA
Rated voltage	400 V
Power factor	0.8
Rated speed	rpm
Number of pole pairs
Radial air-gap length	mm
Stator series conductors per phase
Axial length	mm
Number of stator slots
Ratio of pitch to polar distance
Pitch-shortening value
Distribution coefficient
Number of parallel branches
Number of exciting turns for each pole