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Influence of the Shielding Winding on the Bearing Voltage in a Permanent Magnet Synchronous Machine

Author

Listed:
  • Sebastian Berhausen

    (Faculty of Electrical Engineering, Silesian University of Technology, 44-100 Gliwice, Poland)

  • Tomasz Jarek

    (Łukasiewicz Research Network—Institute of Electrical Drives and Machines KOMEL, 40-203 Katowice, Poland)

  • Petr Orság

    (Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava, 17. listopadu 15, 708 00 Ostrava, Czech Republic)

Abstract

This article presents selected methods of limiting the bearing voltages of synchronous machines with permanent magnets supplied from power electronic converters. The authors analyzed methods based on the use of various shielding windings placed in slot wedges and mounted in the stator end-winding region. The values of the parasitic capacitances of the machine, on which the levels of bearing voltages depend, were determined using the finite element method. Three-dimensional simulation models were used for the calculations. The analysis of the influence of the shielding windings on the bearing voltage waveforms was conducted on the basis of circuit models with two- and three-level converters. The obtained calculation results indicate a high potential in limiting bearing voltages.

Suggested Citation

  • Sebastian Berhausen & Tomasz Jarek & Petr Orság, 2022. "Influence of the Shielding Winding on the Bearing Voltage in a Permanent Magnet Synchronous Machine," Energies, MDPI, vol. 15(21), pages 1-19, October.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:21:p:8001-:d:955596
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    References listed on IDEAS

    as
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    4. Sebastian Berhausen & Tomasz Jarek, 2022. "Analysis of Impact of Design Solutions of an Electric Machine with Permanent Magnets for Bearing Voltages with Inverter Power Supply," Energies, MDPI, vol. 15(12), pages 1-19, June.
    5. Usha Sengamalai & T. M. Thamizh Thentral & Palanisamy Ramasamy & Mohit Bajaj & Syed Sabir Hussain Bukhari & Ehab E. Elattar & Ahmed Althobaiti & Salah Kamel, 2022. "Mitigation of Circulating Bearing Current in Induction Motor Drive Using Modified ANN Based MRAS for Traction Application," Mathematics, MDPI, vol. 10(8), pages 1-24, April.
    6. Maosong Zhang & Ying Cui & Qunjing Wang & Jun Tao & Xiuqin Wang & Hongsheng Zhao & Guoli Li, 2019. "A Study on Neutral-Point Potential in Three-Level NPC Converters," Energies, MDPI, vol. 12(17), pages 1-22, September.
    7. Sebastian Berhausen & Tomasz Jarek, 2021. "Method of Limiting Shaft Voltages in AC Electric Machines," Energies, MDPI, vol. 14(11), pages 1-19, June.
    8. Sebastian Berhausen & Stefan Paszek, 2021. "Determination of the Leakage Reactance of End Windings of a High-Power Synchronous Generator Stator Winding Using the Finite Element Method," Energies, MDPI, vol. 14(21), pages 1-15, October.
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