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4. Magnetic noise reduction
4.1 General
As in the case of asynchronous machines
act on the amplitude of the excitation alone (weak tooth lines, weak MLI lines, high spatial orders, etc.);
act on the amplitude of the response alone (good rigidity and low radiation from the structure);
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Magnetic noise reduction
Experimental characterization
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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