2021
DOI: 10.3390/app11114849
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Optimum Slot and Pole Design for Vibration Reduction in Permanent Magnet Synchronous Motors

Abstract: Permanent Magnet Synchronous Motors (PMSMs) are increasingly being used and are required to satisfy noise and vibration specifications. Thus, it is necessary to develop design guidelines for electric motors that consider vibration response as a key output of the design. This work shows the influence of the main design parameters regarding PMSMs: the number of slots and the number of poles. First, the influence of the number of slots in the natural frequencies is analysed by Finite Element calculations, which a… Show more

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Cited by 7 publications
(5 citation statements)
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“…where µ 0 is the magnetic permeability of the air. The calculation procedure of the vibration response is explained in [26]. The pressure can be expressed as a sum of harmonic waves, as shown in Equation ( 16):…”
Section: Calculation Of the Vibration Responsementioning
confidence: 99%
See 1 more Smart Citation
“…where µ 0 is the magnetic permeability of the air. The calculation procedure of the vibration response is explained in [26]. The pressure can be expressed as a sum of harmonic waves, as shown in Equation ( 16):…”
Section: Calculation Of the Vibration Responsementioning
confidence: 99%
“…In addition, some authors propose modifying the length of the air gap [12,23], implementing a skewed rotor [24], or changing the slot and pole number combination [25,26] in order to reduce the vibrations and noise of the electric machines.…”
Section: Introductionmentioning
confidence: 99%
“…The output torque is important not to be affected during the optimization of motor electromagnetic performance, Wang et al [10] did torque ripple reduction by rotor slotting, which optimized motor's NVH performance but affected the output torque. This also applies to the motor characteristics by Mendizabal et al [14]. Jung et al [15] used the equivalent magnetization current method to evaluate the electromagnetic excitation force acting on the motor stator system.…”
Section: Introductionmentioning
confidence: 99%
“…The average torque, torque ripple and noise under normal and fault conditions are compared to analyze the sound power. In reference [14], the influence of PMSM number of slots and number of poles on the vibration and noise in the design stage is studied. The vibration characteristics of the motor with different slot number and pole number combinations are analyzed by FEM, and the optimal combination mode is obtained according to the results.…”
Section: Introductionmentioning
confidence: 99%