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Current Injection-Based VSI Nonlinearity Self-learning Method for Dual Three-Phase PMSM Drives Considering the Effect of Zero-axis Voltage

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

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

Abstract

Self-commissioning has become an important feature of modern electric drives, of which the voltage source inverter (VSI) nonlinearity self-learning is a part. This paper investigates a VSI nonlinearity self-learning method for dual three-phase permanent magnet synchronous motor (DTP-PMSM) drives based on harmonic plane current injection. First, the zero-axis voltage effect of the six-phase inverter is analyzed, which shows that the error caused by the zero-axis voltage can be eliminated by keeping one phase current at zero. Then, a special harmonic plane current injection method is proposed to eliminate the zero-axis voltage effect at arbitrary rotor initial position. In this way, the VSI nonlinearity self-learning considering the zero-axis voltage is achieved. In addition, a novel self-learning process is designed to resist the unbalance factors in the power device and winding, which is easy to implement. Experimental results are in support of the features of the proposed method.

Original languageEnglish
Title of host publication2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages5297-5302
Number of pages6
ISBN (Electronic)9798350316445
DOIs
StatePublished - 2023
Externally publishedYes
Event2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023 - Nashville, United States
Duration: 29 Oct 20232 Nov 2023

Publication series

Name2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023

Conference

Conference2023 IEEE Energy Conversion Congress and Exposition, ECCE 2023
Country/TerritoryUnited States
CityNashville
Period29/10/232/11/23

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Dual three-phase permanent magnet synchronous motor drives
  • current injection
  • inverter nonlinearity
  • self-learning
  • zero-axis voltage

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