Abstract
In order to solve the adverse effects caused by excessive amplitude of suspension current in MPCI method, a solution of midpoint injection of bilateral current method is proposed. On the basis of introducing the principle of radial suspension force generated by bilateral injection of midpoint current in bearingless permanent magnet synchronous motor, the mathematical model of radial suspension force is derived. Through Maxwell finite element analysis software, the distribution of air gap magnetic density of bearingless permanent magnet synchronous motor with midpoint injection under current excitation in static field is analyzed; The law of radial controllable magnetic suspension force changing with magnetic suspension current is analyzed, and the suspension force produced by injecting unilateral and bilateral suspension current into the midpoint is compared and analyzed; The law of unilateral magnetic pull force changing with eccentric distance is analyzed; The mathematical model of radial suspension force is verified and corrected, and the experimental results verify the correctness of the calculation results of Ansys software.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
Chen, B.: Basic Theory Research of Bearingless Permanent Magnet Synchronous Motor. Jiangsu University, Jiangsu (2004)
Zhu, J.: Research on Single Winding Bearingless Permanent Magnet Sheet Motor. Nanjing University of Aeronautics and Astronautics, Jiangsu (2008)
Zhu, J., Deng, Z., Wang, X., et al.: Principle and realization of single-winding bearingless permanent magnet sheet motor. Proc. CSEE 28(33), 68–74 (2008)
Chiba, A., Sotome, K., Yuto Iiyama, M., Rahman, A.: A novel middle-point-current-injection-type bearingless pm synchronous motor for vibration suppression. IEEE Trans. Ind. Appl. 47(4), 1700–1706 (2011)
Gruber, W., Bauer, W., Radman, K.: Comparison of homopolar and heteropolar bearingless reluctance slice motor prototypes. Proc. Inst. Mech. Eng. Part I J. Syst. Control Eng. 231(5), 339–347 (2017)
Sun, Y., Qian, J., Zhu, H., et al.: Radial suspension force model of bearingless permanent magnet slice motor based on rotor eccentric coordinate system. J. Motor Control 20(4), 10–16 (2016)
Zhu, H., Zhao, Y., Yuan, J., et al.: New single winding structure of bearingless permanent magnet slice motor and its precise control. Motor Control Appl. 43(9), 1–7, 19 (2016)
Zhao, Y.: Research on New Winding Structure and Suspension Force Control of Bearingless Permanent Magnet Sheet Motor. Jiangsu University, Jiangsu (2017)
Yuan, J., Zhu, H., Zhao, Y., et al.: Research on the structure principle and control of a new double three-phase bearingless permanent magnet synchronous motor. Adv. Technol. Electr. Eng. Energy 36(1), 16–24 (2017)
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2022 The Author(s), under exclusive license to Springer Nature Switzerland AG
About this paper
Cite this paper
Zeng, Q., Bu, W., Zhang, F. (2022). Mathematical Model of Suspension Force of Single-Winding Bearingless Permanent Magnet Motor with Midpoint Injection. In: Li, X. (eds) Advances in Intelligent Automation and Soft Computing. IASC 2021. Lecture Notes on Data Engineering and Communications Technologies, vol 80. Springer, Cham. https://doi.org/10.1007/978-3-030-81007-8_59
Download citation
DOI: https://doi.org/10.1007/978-3-030-81007-8_59
Published:
Publisher Name: Springer, Cham
Print ISBN: 978-3-030-81006-1
Online ISBN: 978-3-030-81007-8
eBook Packages: Intelligent Technologies and RoboticsIntelligent Technologies and Robotics (R0)