Research Article
Impact of Different Static Air-Gap Eccentricity Forms on Rotor UMP of Turbogenerator
Table 1
UMP amplitudes and influential factors.
| | SAGE cases | Components | Amplitudes | Influential factors |
| | Rotor offset | DC component | | 2Λ0Λs π/4μ0 | Rotor offset degree, exciting current | | 0 | — | | 2f pulsating component | | Λ0Λs π/4μ0 | Rotor offset degree, exciting current | | Λ0Λs π/4μ0 |
| | Stator deformation | DC component | | 2Λ0Σ π/4μ0 | Stator deformation numbers & degrees,
Deformation locations and directions,
and exciting current | | 2Λ0Σ π/4μ0 | | 2f pulsating component | | Λ0Σ π/4μ0 | | Λ0Σ π/4μ0 |
| | Mixed SAGE | DC component | | (2Λ0Λs+2Λ0Σ) π/4μ0 | Rotor offset degree,
stator deformation numbers & degrees,
deformation locations and directions,
and exciting current | | 2Λ0Σ π/4μ0 | | 2f pulsating component | | (Σ) π/4μ0 | | (Λ0Λs+Λ0Σ) π/4μ0 |
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