Vibrations and Audible Noise in Alternating Current Machines

by R. Belmans (Editor), K.J. Binns (Editor), W. Geysen (Editor), A. Vandenput (Editor)

Overview

Proceedings of the NATO Advanced Research Workshop on Mechanical Vibrations and Audible Noise in Alternating Current Machines, Leuven, Belgium, August 4-8, 1986

Product Details

ISBN-13:	9789024737321
Publisher:	Springer Netherlands
Publication date:	07/31/1988
Series:	NATO Science Series E: , #148
Edition description:	1988
Pages:	564
Product dimensions:	6.14(w) x 9.21(h) x 0.05(d)

Table of Contents

Introductory Lecture.- 1. Dynamic Behaviour and Oscillating Problems in Synchronous Generators with a Superconducting Field-Winding.- 2. Some Methods for the Reduction of Electromagnetically Excited Vibrations and Noise in Induction Machines Due to the Slot Openings.- 3. Torsional Vibration in the Rotor of a Superconducting Turbogenerator.- 4. Torsional Vibrations of Superconducting Generators.- 5. Electromagnetic Influence on the Radial Vibrations of Two-Pole Induction Motors.- 6. Design of Foundations for Alternating Current Machines with Respect to the Dynamic Effects: Experimental and Mathematical Analyses.- 7. The Active Magnetic Bearing Enables Optimum Control of Machine Vibrations.- 8. Analysis of Effect Damper Circuit Modelling and the Fault Clearing Process Has on Amplitude and Decay of Torsional Vibrations in Turbine-Generator Shafts Following Severe Disturbances on the Grid Supply.- 9. Transients of Induction Machines in Driving Systems.- 10. Measurement of Induction Motor Torque Pulsations Due to Inverter Supply.- 11. Determination of the No-Load Currents and the Associated Winding and Iron-Core Forces of Saturable Induction Machines for Sinusoidal and Nonsinusoidal Terminal Voltages.- 12. General Torsional Fatigue of Turbogroup Shafts Due to Electrical Disturbances — Part I: Electromechanical System: Modelisation — Computation of Torsional Stress.- 13. General Torsional Fatigue of Turbogroup Shafts Due to Electrical Disturbances — Part II: Determination of Shaft Fatigue.- 14. Estimation and Measurement of Torque Vibrations in Synchronous Machines.- 15. CAE-Techniques for Calculating Natural Frequencies of Machine Stators.- 16. Development of Parasitic Torques Leading to Shaft Vibrations in Induction Motors.- 17. Scale Aspects of Electromagnetic NoiseEmission by Cage Induction Machines.- 18. Results of Computer Simulation of Subsynchronous Resonance of Synchronous Generators.- 19. Mechanical and Electromagnetic Vibrations in Salient Poles Hydrogenerators.- 20. How to Avoid Torque Vibrations at Low Speed in Inverter Fed Machines.- 21. Measurements of Vibrations for Electrical Machines.- 22. A Test Rig for Measurement of Vibrations of Electrical Rotating Machines.- 23. Effects of Voltage/Current Harmonics on Noise Emission from Induction Motors.- 24. About the Multiples of Netfrequency in the Noise of Small Asynchronous Machines.- 25. Effects of Rotor Cage Asymmetry on the Performance of Three-Phase Induction Motors.- 26. Vibration Behaviour of Stators of Electrical Machines.- 27. The Electro-Mechanical Torsional Vibration Behaviour of A.C. Machines and Drives.- 28. On-Line Diagnostics of Large Induction Motors.