Modelling of Magnetic Forces and Vibrations in the Stator of Hydro Generators

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Titelei/Inhaltsverzeichnis No access Pages I - XIII
1. 1.1 General Considerations No access
2. 1.2 Objectives of the Dissertation No access
3. 1.3 Methodology and Dissertation Structure No access
1. 2.1 Mechanical Model No access
2. 2.2 Electromagnetic Model No access
1. 3.1 Mechanics No access
2. 3.2 Electromagnetics No access
1. 4.1 Constructive Aspects of Hydro Generators No access
2. 4.2 FE Model with the Frame No access
3. 4.3 Stator Sector Specimen for Core Material Parameter Determination No access
4. 4.4 Validation of the Eigenfrequencies on the Complete Stator No access
5. 4.5 Partial Conclusions No access
1. 5.1 Beam Element Model No access
2. 5.2 Shell Element Model No access
3. 5.3 Example Cases and Validation No access
4. 5.4 Partial Conclusions No access
1. 6.1 The Vibration Cause Diagram (VCD) No access
2. 6.2 FE Model No access
3. 6.3 Determination of the Connection Impedances in the Damper Winding No access
4. 6.4 Results and Validation Measurements No access
5. 6.5 Partial Conclusions No access
1. 7.1 Forced Vibration Calculation No access
2. 7.2 Load Tests in the 55MVA Hydro Generator No access
3. 7.3 Comparison of Measured and Calculated Results No access
8 Conclusion and Outlook No access Pages 120 - 123
Appendix No access Pages 124 - 152