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Shock and Vibration
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Shock and Vibration
/
2016
/
Article
/
Tab 1
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Research Article
Stator Vibration Characteristic Identification of Turbogenerator among Single and Composite Faults Composed of Static Air-Gap Eccentricity and Rotor Interturn Short Circuit
Table 1
Upper amplitude expressions of MPPUA for different conditions.
Component
Performing condition
Amplitude formulas
Influential factors
DC component
Normal condition
SAGE
,
RISC
,
CF
,
,
1st harmonic
Normal condition
—
—
SAGE
—
—
RISC
,
CF
,
,
2nd harmonic
Normal condition
SAGE
,
RISC
,
CF
,
,
3rd harmonic
Normal condition
—
—
SAGE
—
—
RISC
,
CF
,
,
4th harmonic
Normal condition
—
—
SAGE
—
—
RISC
,
CF
,
,