Characterization of magnetic forces
Acoustic noise due to electromagnetic excitations in Asynchronous machines

Article REF: D3580 V3

Characterization of magnetic forces
Acoustic noise due to electromagnetic excitations in Asynchronous machines

Authors : Jean LE BESNERAIS, Vincent LANFRANCHI, Michel HECQUET

Publication date: March 10, 2021 | Lire en français

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2. Characterization of magnetic forces

2.1 Resonance principle

We first assume that Maxwell's forces do not vary along the machine axis, and can therefore only excite bending modes in the stator plate/frame structure, which can be likened to an orthotropic cylindrical shell . Rolling and pressing of the laminations tend to give rise only to purely radial modes

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Bibliography

Bibliography

(1) - BERANEK (L.L.), VER (I.L.) - Noise and vibration control engineering (Ingénierie du contrôle des bruits et vibrations). - Wiley interscience (1992).
(2) - LE BESNERAIS (J.), FASQUELLE (A.), HECQUET (M.), LANFRANCHI (V.), BROCHET (P.),...

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