전력전자학회논문지 (The Transactions of the Korean Institute of Power Electronics)

  • 제23권4호
  • /
  • Pages.240-246
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  • 2018
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  • 1229-2214(pISSN)
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  • 2288-6281(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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SPMSM의 센서리스 V/f 운전 시 MTPA 제어 기법

A MTPA Control Method for Sensorless V/f Operation of SPMSMs

  • Kim, Won-Jae (Dept. of Electrical and Electronic Engineering, Kangwon National University) ;
  • Kim, Sang-Hoon (Dept. of Electrical and Electronic Engineering, Kangwon National University)
  • 투고 : 2018.03.13
  • 심사 : 2018.04.11
  • 발행 : 2018.08.20
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초록

In this paper, a sensorless V/f control based on maximum torque per ampere (MTPA) operation for PMSMs is proposed. Given that the MTPA operation is not considered in the conventional sensorless V/f control, efficient PMSM drives cannot be achieved. Therefore, this paper proposes an improved technique based on the d-axis current control to enable the MTPA operation in the V/f control for PMSMs. A stabilization technique is also proposed to improve the dynamic characteristics and stability against load variation. The effectiveness of the proposed technique is verified by conducting experiments with a 250 W SPMSM for driving a blower.

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참고문헌

  1. N. C. Park and S. H. Kim, "Simple sensorless algorithm for interior permanent magnet synchronous motors based on high-frequency voltage injection method," in IET Electric Power Applications, Vol. 8, No. 2, pp. 68-75, Feb. 2014. https://doi.org/10.1049/iet-epa.2013.0221
  2. S. Kim, J. I. Ha, and S. K. Sul, "PWM switching frequency signal injection sensorless method in IPMSM," IEEE Trans. Ind. Appl., Vol. 48, pp. 1576-1587, Sep./Oct. 2012. https://doi.org/10.1109/TIA.2012.2210175
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  5. P. D. C. Perera, et al., “A sensorless, stable V/f control method for permanent-magnet synchronous motor drives,” IEEE Trans. Ind. Appl., Vol. 39, No. 3, pp. 783-791, May/Jun. 2003. https://doi.org/10.1109/TIA.2003.810624
  6. S. M. Sue, et al., "A new MTPA control strategy for sensorless V/f controlled PMSM drives," Ind. Appl (ICIEA), 6th IEEE Conf., pp. 4400-4415, Jun. 2011.
  7. Z. Tang, X. Li, S. Dusmez, and B. Akin, “A new V/f based sensorless MTPA control for IPMSM drives,” IEEE Trans. Power Electron., Vol. 31, No. 6, pp. 4400-4415, Jun. 2016. https://doi.org/10.1109/TPEL.2015.2470177
  8. S. H. Kim, Electric Motor Control, DC AC and BLDC Motors, Elsevier Inc., Ch. 3-4, 2017.