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Enhanced Phase Current Reconstruction Strategy in Overmodulation Range for Single DC-Link Shunt PMSM Drives

  • School of Electrical Engineering and Automation, Harbin Institute of Technology
  • Ltd

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

To extend the modulation range of the single dc-link shunt based permanent magnet synchronous motor (PMSM) drive, a novel phase current reconstruction strategy is proposed in this paper. A current observer based on Luenberger structure is designed to estimate the unsampled phase current due to the limitation of the voltage vector shifting in the overmodulation range. The estimated current is applied to the reconstruction of three phase currents and closed-loop control. The experimental results show the effectiveness of the proposed method in different operation conditions.

Original languageEnglish
Title of host publication2023 26th International Conference on Electrical Machines and Systems, ICEMS 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages4649-4653
Number of pages5
ISBN (Electronic)9798350317589
DOIs
StatePublished - 2023
Externally publishedYes
Event26th International Conference on Electrical Machines and Systems, ICEMS 2023 - Zhuhai, China
Duration: 5 Nov 20238 Nov 2023

Publication series

Name2023 26th International Conference on Electrical Machines and Systems, ICEMS 2023

Conference

Conference26th International Conference on Electrical Machines and Systems, ICEMS 2023
Country/TerritoryChina
CityZhuhai
Period5/11/238/11/23

Keywords

  • current estimation
  • dual-mode overmodulation
  • permanent magnet synchronous motor (PMSM)
  • phase current reconstruction
  • single dc-link shunt

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