Research Article

Impact of Single and Combined Faults Composed of Rotor Eccentricity and Stator Interturn Short Circuit on Electromagnetic Torque Ripples in Synchronous Generator

Table 1

EMT upper amplitude formulas and influential factors.

HarmonicCaseAmplitude formulas (x0.5∏If0)FactorsTrend

2ndNormal
SAGEIf0, δs
SISCIf0, If2
CFIf0, δs, If2

HarmonicCaseAmplitude formulas (x0.5∏If0)FactorsTrend

4thNormal
SAGE
SISCIf0, If2
CFIf0, δs, If2

6thNormal
SAGE
SISC
CFIf0, δs, If2