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3. Prediction of audible magnetic noise
This section describes various methods for predicting audible magnetic noise: analytical and semi-analytical, numerical and hybrid (using experimental data). These methods apply to both synchronous and asynchronous machines, with the
3.1 Analytical or semi-analytical models
Analytical methods for calculating the noise emitted by a synchronous machine are similar to those used for asynchronous machines....
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Prediction of audible magnetic noise
Magnetic noise reduction
Bibliography
Bibliography
Standards and norms
IEC 60034-9 Rotating electrical machines – Part 9: Noise limits
Patents
[B1] Electrical machines with reduced cogging US Patent 7714473 B2
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