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Operation-Area-Selected Overmodulation Strategy for Flux-Weakening Control of Surface-Mounted Permanent Magnet Synchronous Motor

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

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

Abstract

In the traditional overmodulation, the reference of voltage loop is selected as a constant. However, it keeps the motor working in the six-step mode regardless of torque demand, resulting in current and speed harmonics. To address this problem, an operation-area-selected (OAS) overmodulation strategy is proposed for flux-weakening control of surface-mounted permanent magnet synchronous motor. The compensation of the inscribed circle reference voltage is obtained by logical judgments of two designed reference voltages in an auxiliary closed-loop. The proposed scheme can adjust the reference of voltage loop dynamically according to different working conditions, leading to reduced current and speed ripples. The simulation results verify the effectiveness of the studied scheme.

Original languageEnglish
Title of host publicationIECON 2021 - 47th Annual Conference of the IEEE Industrial Electronics Society
PublisherIEEE Computer Society
ISBN (Electronic)9781665435543
DOIs
StatePublished - 13 Oct 2021
Externally publishedYes
Event47th Annual Conference of the IEEE Industrial Electronics Society, IECON 2021 - Toronto, Canada
Duration: 13 Oct 202116 Oct 2021

Publication series

NameIECON Proceedings (Industrial Electronics Conference)
Volume2021-October

Conference

Conference47th Annual Conference of the IEEE Industrial Electronics Society, IECON 2021
Country/TerritoryCanada
CityToronto
Period13/10/2116/10/21

Keywords

  • flux-weakening control
  • operation area selection
  • overmodulation
  • surface-mounted permanent magnet synchronous motor drives

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