An induction motor drive system with improved fault tolerance

An induction motor drive system with improved fault tolerance

This paper investigates the utilization of a simplified topology that permits the fault-tolerant operation of a three-phase induction motor drive system. When one of the inverter legs is lost, the machine can operate with only two stator windings by connecting the machine neutral to a fourth convert...

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Veröffentlicht in:IEEE transactions on industry applications 2001-05, Vol.37 (3), p.873-879
Hauptverfasser: Beltrao de Rossiter Correa, M., Brandao Jacobina, C., Cabral da Silva, E.R., Nogueira Lima, A.M.
Format: Artikel
Sprache:eng
Schlagworte:
Asymmetry
Coils (windings)
Current control
Equations
Fault tolerance
Fault tolerant systems
Induction motor drives
Induction motors
Industry Applications Society
Inverters
Jacobian matrices
Joining
Joining processes
Leg
Legs
Stators
Thyristors
Utilization
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Beschreibung
Zusammenfassung:This paper investigates the utilization of a simplified topology that permits the fault-tolerant operation of a three-phase induction motor drive system. When one of the inverter legs is lost, the machine can operate with only two stator windings by connecting the machine neutral to a fourth converter leg. The structure and the operation principle of the system are presented. The machine model corresponding to the asymmetric two-windings machine is developed and a suitable controller is proposed. Experimental results are presented.
ISSN:0093-9994
1939-9367
DOI:10.1109/28.924770