Detection and isolation of asymmetrical short-circuit faults in permanent-magnet synchronous machines

Yuxue Ge, Yves Mollet, Song Bifeng, Johan Gyselinck

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

6 Scopus citations

Abstract

Phase-to-phase short-circuit faults in a permanent-magnet synchronous machines are quite dangerous because of the extremely high short-circuit transient current after fault. This paper presents a fault detection and identification diagnosis approach for asymmetrical faults in permanent-magnet synchronous machines, considering both inter-turn and phase-to-phase short-circuit faults, and employing both current- and voltage-based residual along with the cumulative-sum algorithm. The sum of positive- and negative-sequence current- and voltage-phase angles is used to identify the faulty phase(s); the two fault types are distinguished by defining different detection thresholds for the residuals. Simulations of phase-to-phase short-circuit with different short-circuit resistance have been carried to obtain the values of faulty phase indicators. Both the simulation results and the proposed diagnosis have been verified by practical experiments on a 2-kW test bench.

Original languageEnglish
Title of host publication2016 IEEE International Energy Conference, ENERGYCON 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781467384636
DOIs
StatePublished - 14 Jul 2016
Event2016 IEEE International Energy Conference, ENERGYCON 2016 - Leuven, Belgium
Duration: 4 Apr 20168 Apr 2016

Publication series

Name2016 IEEE International Energy Conference, ENERGYCON 2016

Conference

Conference2016 IEEE International Energy Conference, ENERGYCON 2016
Country/TerritoryBelgium
CityLeuven
Period4/04/168/04/16

Keywords

  • Fault diagnosis
  • Permanent-magnet synchronous machine
  • Phase-to-phase short-circuit

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