Frequency-Adaptive Repetitive Control Based Zero-Sequence Current Elimination in Leg Sharing Post-Fault Operation of OW Machine Drives

Abd Alrahman Dawara*, Roland Seebacher, Annette Muetze

*Korrespondierende/r Autor/-in für diese Arbeit

Publikation: Beitrag in Buch/Bericht/KonferenzbandBeitrag in einem KonferenzbandBegutachtung

Abstract

Existing zero-sequence current (ZSC) elimination methods have unsatisfactory elimination performance in the post-fault operation (PFO) mode due to unequal dead time effects on the terminals of the open-end winding (OW) machine, resulting in a significant ZSC and unbalanced three-phase currents. This article proposes a new ZSC elimination strategy based on frequency-adaptive repetitive control for OW machine drives to fully eliminate the ZSC during the PFO mode following inverter open circuit faults. To this aim, a frequency-adaptive repetitive controller (FARC) is designed to realize a zero steady-state tracking error of the ZSC loop by eliminating periodic disturbances originated from both inverter and machine sides. In addition, a decoupled space vector modulation technique is developed to produce the required zero-sequence voltage (ZSV) by unequally distributing the ZSC control signal duration time among the duty cycles of the dual inverter legs. Finally, the proposed strategy is verified via simulations and experiments on a dSPACE platform with an OW induction machine.

Originalspracheenglisch
Titel2024 IEEE 10th International Power Electronics and Motion Control Conference, IPEMC 2024 ECCE Asia
Herausgeber (Verlag)IEEE
Seiten2906-2911
Seitenumfang6
ISBN (elektronisch)9798350351330
DOIs
PublikationsstatusVeröffentlicht - 2024
Veranstaltung10th IEEE International Power Electronics and Motion Control Conference: IPEMC 2024-ECCE Asia - Chengdu, China
Dauer: 17 Mai 202420 Mai 2024

Konferenz

Konferenz10th IEEE International Power Electronics and Motion Control Conference
Land/GebietChina
OrtChengdu
Zeitraum17/05/2420/05/24

ASJC Scopus subject areas

  • Energieanlagenbau und Kraftwerkstechnik
  • Steuerungs- und Systemtechnik
  • Elektrotechnik und Elektronik
  • Sicherheit, Risiko, Zuverlässigkeit und Qualität
  • Steuerung und Optimierung
  • Instrumentierung

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