Magnetic noise reduction
Acoustic noise due to electromagnetic excitations in synchronous machines
Article REF: D3581 V2
Magnetic noise reduction
Acoustic noise due to electromagnetic excitations in synchronous machines

Authors : Jean LE BESNERAIS, Pierre PELLEREY, Vincent LANFRANCHI, Michel HECQUET

Publication date: April 10, 2021 | Lire en français

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4. Magnetic noise reduction

4.1 General

As in the case of asynchronous machines [D 3 580] , there are three main ways of reducing the magnetic noise radiated by the machine right from the design phase:

  • 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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