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Suppression of Three-Phase Short Circuit Current in Dual Three-Phase Surface-Mounted PM Machines with Different Winding Configurations

  • Yidong Du
  • , Yiyang Chen
  • , Lei Yu
  • , Lining Sun
  • , Zekai Lyu
  • , Lijian Wu
  • Soochow University
  • Zhejiang University

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

Abstract

For dual three-phase surface-mounted PM (DTPSPM) machines, three-phase short circuit (3PSC) is usually assumed to happen in only one winding group whilst the remaining one is normally supplied. In this paper, by fully utilizing healthy winding group (HWG), two suppression methods against 3PSC current are proposed for DTPSPM machines with different winding configurations. The first method is regulating HWG current amplitude and angle. For DTPSPM machines with symmetrical winding configuration, it is found that the d- and q-axis peak 3PSC current can be reduced to its minimum value when HWG current angles are about 90 and 135 electrical degrees, respectively. In addition, the suppression effect can be further improved when HWG current amplitude increases. For DTPSPM machines with asymmetric winding configuration, the suppression effect of regulating HWG current heavily depends on 3PSC start rotor position. The second method is forcing HWG into 3PSC. This method leads to an additional inductance component in faulty winding group, which thus reduces 3PSC peak current. Finally, the theoretical analysis is validated by FE simulation.

Original languageEnglish
Title of host publication2023 IEEE 6th International Electrical and Energy Conference, CIEEC 2023
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages4195-4200
Number of pages6
ISBN (Electronic)9798350346671
DOIs
StatePublished - 2023
Externally publishedYes
Event6th IEEE International Electrical and Energy Conference, CIEEC 2023 - Hefei, China
Duration: 12 May 202314 May 2023

Publication series

Name2023 IEEE 6th International Electrical and Energy Conference, CIEEC 2023

Conference

Conference6th IEEE International Electrical and Energy Conference, CIEEC 2023
Country/TerritoryChina
CityHefei
Period12/05/2314/05/23

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
  • PM machine
  • symmetric winding configuration
  • three-phase short circuit

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