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. 2022 Apr 2;22(7):2738.
doi: 10.3390/s22072738.

Damper Winding for Noise and Vibration Reduction of a Permanent Magnet Synchronous Machine

Sijie Ni  1 , Grégory Bauw  1 , Raphaël Romary  1 , Bertrand Cassoret  1 , Jean Le Besnerais  2
Affiliations

Damper Winding for Noise and Vibration Reduction of a Permanent Magnet Synchronous Machine

Sijie Ni et al. Sensors (Basel). .

Abstract

In this paper, a passive method for the noise reduction of the PMSM (Permanent Magnet Synchronous Machine) is presented. The principle is to add an auxiliary three-phase winding into the same slots as the initial stator winding, short-circuited via three capacitors of suitable values. The aim is to create a damping effect for flux density harmonic components, especially high-frequency harmonics from the PWM (PulseWidth Modulation), in the air gap in order to reduce the noise and vibration of the PMSM. The method can significantly reduce the global sound pressure level and vibrations for specific frequencies. Because of passive features, the additional winding effectively mitigates magnetic noise without greatly increasing the complexity of design and manufacturing, which also extends its applicability to different PMSMs.

Keywords: PMSM; PWM; damper winding; harmonic; noise; passive; reduction.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Modelling of a PMSM with the auxiliary winding.
Figure 2
Figure 2
Representation of the damper winding.
Figure 3
Figure 3
Interactions between the stator and rotor.
Figure 4
Figure 4
Representation of a PMSM in the d−q frame.
Figure 5
Figure 5
Equivalent electrical circuits on the primary winding side. In the d-axis (top). In the q-axis (bottom).
Figure 6
Figure 6
Flowchart of the research process.
Figure 7
Figure 7
Magnetizing currents versus capacitor values under different frequencies estimated by analytical method. Magnetizing currents in the d-axis (Idμh(Ca), top). Magnetizing currents in the q-axis (Iqμh(Ca), bottom).
Figure 8
Figure 8
Radial flux density spectra (Bδhr); initial system and with different capacitors Ca in the damper.
Figure 9
Figure 9
Global sound pressure level in dB with fswi=3kHz.
Figure 10
Figure 10
One-third octave spectra of the sound pressure in dB with fswi=3kHz.
Figure 11
Figure 11
Electromotive force (one turn) spectra with fswi=3kHz.
See this image and copyright information in PMC

References

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