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Analysis of Model Predictive Current-Controlled Permanent Magnet Synchronous Motor Drives with Inaccurate DC Bus Voltage Measurement

Author

Listed:
  • Wei Wang

    (School of Electrical Engineering, Southeast University, Nanjing 210096, China)

  • Zhixiang Lu

    (School of Electrical Engineering, Southeast University, Nanjing 210096, China)

Abstract

In this paper, the effects of inaccurate DC bus voltage measurement are analyzed to model predictive current-controlled permanent magnet synchronous motor (PMSM) drives. It is found that the selection of the optimal space vector is affected by inaccurate DC bus voltage measurements, and the shortest distance principle is proposed to evaluate the effects. With the under-voltage measurement, the actual q axis current is always larger than the reference value, and PMSM may be damaged by the over-current phenomenon. However, the actual q axis current is always smaller than the reference value with the over-voltage measurement, and the rated torque capacity cannot be properly used. The effects of the over-voltage measurement are more serious than those of the under-voltage measurement. Additionally, the larger DC bus voltage measurement error can result in more serious effects than with the over-voltage measurement. Considering the limited variation range of the actual DC bus voltage, the rated value can be set as the measured value and the effects can be neglected. However, the effects should be taken into account if the variation range of the actual DC bus voltage is large. All the theoretical analyses are verified by experimental results.

Suggested Citation

  • Wei Wang & Zhixiang Lu, 2020. "Analysis of Model Predictive Current-Controlled Permanent Magnet Synchronous Motor Drives with Inaccurate DC Bus Voltage Measurement," Energies, MDPI, vol. 13(2), pages 1-15, January.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:2:p:353-:d:307385
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    References listed on IDEAS

    as
    1. Wei Wang & Zhixiang Lu & Wei Hua & Zheng Wang & Ming Cheng, 2019. "Simplified Model Predictive Current Control of Primary Permanent-Magnet Linear Motor Traction Systems for Subway Applications," Energies, MDPI, vol. 12(21), pages 1-17, October.
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    Cited by:

    1. Xuesong Zhou & Yongliang Zhou & Youjie Ma & Luyong Yang & Xia Yang & Bo Zhang, 2020. "DC Bus Voltage Control of Grid-Side Converter in Permanent Magnet Synchronous Generator Based on Improved Second-Order Linear Active Disturbance Rejection Control," Energies, MDPI, vol. 13(18), pages 1-19, September.
    2. Jonathan Muñoz Tabora & Lauro Correa dos Santos Júnior & Edson Ortiz de Matos & Thiago Mota Soares & Allan Rodrigo Arrifano Manito & Maria Emília de Lima Tostes & Ubiratan Holanda Bezerra, 2023. "Exploring the Effects of Voltage Variation and Load on the Electrical and Thermal Performance of Permanent-Magnet Synchronous Motors," Energies, MDPI, vol. 17(1), pages 1-16, December.

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