PEEMS (단국대학교 전력전자연구실)

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Byeol Han, June-Seok Lee, Yeongsu Bak, and Kyo-Beum Lee, "Six-step Operation Strategy for the Direct Self-Control Method of an Interior Permanent Magnet Synchronous Motor based on the Torque Angle," Journal of Power Electronics, vol. 21, no. 9, pp. 1352-1364, Sep. 2021.

2021

PEEMS

Oct. 4, 2023

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1. Authors: Byeol Han, June-Seok Lee, Yeongsu Bak, and Kyo-Beum Lee

2. Title: Six-step Operation Strategy for the Direct Self-Control Method of an Interior Permanent Magnet Synchronous Motor based on the Torque Angle

3. Journal: Journal of Power Electronics

4. Vol/no/pp: vol. 21, no. 9, pp. 1352-1364

5. Date: Sep. 2021

6. Abstract

: This paper proposes a six-step operation strategy for direct self-control (DSC) method of interior permanent magnet synchronous motor (IPMSM) based on the torque angle. Conventional DSC methods for induction motors (IMs) have been studied for railway applications since these methods are suitable for controlling high-power traction drives and for extending voltage utilization through a six-step inverter operation. However, IPMSMs controlled via conventional DSC methods for IMs cannot be properly controlled through a six-step operation since the torque angle is not considered. In addition, synchronous frame rotation causes a phase error at high speeds owing to the time delay of digital controllers. This paper presents a torque angle compensation that improves the dynamic performance. The effectiveness of the proposed DSC method was verified through experimental results.

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