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논문검색

Analysis of Cogging Torque Reduction of IPMSM applying Skew Method

원문정보

In-Soo Song, Do-Hyun Kim, Ki-Chan Kim

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초록

영어

Background/Objectives: In a rotating machine such as Interior Permanent Magnet Synchronous Motor (IPMSM), which is widely used in industrial fields. The reluctance torque is generated by the difference when magnetic energy varies according to the relative position of the pole and slot in a slot shaped motor. The reluctance torque acts as a torque ripple in electrical equipment and causes noise and vibration. It generated by the influence of the slot in the permanent magnet device is called cogging torque, and a skew was applied as a method to reduce the cogging torque to analyze the characteristics of the motor. In this paper, we analyze the back electromotive force and torque characteristics of IPMSM motors applying 3-stage skew among various cogging torque reduction methods, and reduce torque ripple in the instantaneous and continuous sections of the motor through Finite Element Method (FEM). Findings: Therefore, in this paper, we discuss how to apply skew among many analysis methods for reducing cogging torque. It shows the procedure for reducing cogging torque by applying skew from the comparative model. Finally, it analyzes the characteristics of the existing model and the model to which the skew is applied, and indicates how much it has increased. Improvements/Applications: By applying a three-stage skew to the model applied in this paper, the effect of noise and vibration can be reduced through cogging torque reduction.

목차

Abstract
I. INTRODUCTION
II. THE ANALYSIS MODEL
A. Base model 1kW IPMSM
B. Select Optimal Design
III. FEA ANALYSIS
IV. CONCLUSION
ACKNOWLEDGMENT
REFERENCES

저자정보

  • In-Soo Song Department of Electrical Engineering, Hanbat National University, Daejeon-si, CO 34158, Korea
  • Do-Hyun Kim Department of Electrical Engineering, Hanbat National University, Daejeon-si, CO 34158, Korea
  • Ki-Chan Kim Department of Electrical Engineering, Hanbat National University, Daejeon-si, CO 34158, Korea

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자료제공 : 네이버학술정보

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