- ISBN: 9781420027730 | 1420027735
- Cover:
- Copyright: 12/12/2005
| Generation and Radiation of Noise in Electrical Machines | |
| Vibration, Sound, and Noise | |
| Sound Waves | |
| Sources of Noise in Electrical Machines | |
| Energy Conversion Process | |
| Noise Limits and Measurement Procedures for Electrical Machines | |
| Deterministic and Statistical Methods of Noise Prediction | |
| Economical Aspects | |
| Accuracy of Noise Prediction | |
| Magnetic Fields and Radial Forces in Polyphase Motors fed With Sinusoidal Currents | |
| Construction of Induction Motors | |
| Construction of Permanent Magnet Synchronous Brushless Motors | |
| A.C. Stator Windings | |
| Stator Winding MMF | |
| Rotor Magnetic Field | |
| Calculation of Air Gap Magnetic Field | |
| Radial Forces | |
| Other Sources of Electromagnetic Vibration and Noise | |
| Inverter-fed Motors | |
| Generation of Higher Time Harmonics | |
| Analysis of Radial Forces for Nonsinusoidal Currents | |
| Higher Time Harmonic Torques in Induction Machines | |
| Higher Time Harmonic Torques in Permanent Magnet (PM) Brushless Machines | |
| Influence of the Switching Frequency of an Inverter | |
| Noise Reduction of Inverter-Fed Motors | |
| Torque Pulsations | |
| Analytical Methods of Instantaneous Torque Calculation | |
| Numerical Methods of Instantaneous Torque Calculation | |
| Electromagnetic Torque Components | |
| Sources of Torque Pulsations | |
| Higher Harmonic Torques of Induction Motors | |
| Cogging Torque in Permanent Magnet (PM) Brushless Motors | |
| Torque Ripple Due to Distortion of EMF and Current Waveforms in Permanent Magnet (PM) Brushless Motors | |
| Tangential Forces vs. Radial Forces | |
| Minimization of Torque Ripple in PM Brushless Motors | |
| Stator System Vibration Analysis | |
| Forced Vibration | |
| Simplified Calculation of Natural Frequencies of the Stator System | |
| Improved Analytical Method of Calculation of Natural Frequencies | |
| Numerical Verification | |
| Acoustic Calculations | |
| Sound Radiation Efficiency | |
| Plane Radiator | |
| Infinitely Long Cylindrical Radiator | |
| Finite Length Cylindrical Radiator | |
| Calculations of Sound Power Level | |
| Noise and Vibration of Mechanical and Aerodynamic Origin | |
| Mechanical Noise Due to Shaft and Rotor Irregularities | |
| Bearing Noise | |
| Noise Due to Toothed Gear Trains | |
| Aerodynamic Noise | |
| Mechanical Noise Generated by the Load | |
| Acoustic and Vibration Instrumentation | |
| Measuring System and Transducers | |
| Measurement of Sound Pressure | |
| Acoustic Measurement Procedure | |
| Vibration Measurements | |
| Frequency Analyzers | |
| Sound Power and Sound Pressure | |
| Indirect Methods of Sound Power Measurement | |
| Direct Method of Sound Power Measurement: Sound Intensity Technique | |
| Standard for Testing Acoustic Performance of Rotating Electrical Machines | |
| Numerical Analysis | |
| Introduction | |
| FEM Model for Radial Magnetic Pressure | |
| FEM for Structural Modeling | |
| BEM for Acoustic Radiation | |
| Discussion | |
| Statistical Energy Analysis | |
| Introduction | |
| Power Flow Between Linearly Coupled Oscillators | |
| Coupled Multimodal Systems | |
| Experimental SEA | |
| Application to Electrical Motors | |
| Noise Control | |
| Mounting | |
| Standard Methods of Noise Reduction | |
| Active Noise and Vibration Control | |
| Basics of Acoustics | |
| Sound Field Variables and Wave Equations | |
| Sound Radiation from a Point Source | |
| Decibel Levels and Their Calculations | |
| Spectrum Analysis | |
| Permeance of Nonuniform Air Gap | |
| Permeance Calculation | |
| Eccentricity Effect | |
| Magnetic Saturation | |
| Basics of Vibration | |
| A Mass-Spring-Damper Oscillator | |
| Lumped Parameter Systems | |
| Continuous Systems | |
| Symbols and Abbreviations | |
| Bibliography | |
| INdex | |
| Table of Contents provided by Publisher. All Rights Reserved. |
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