Control of Multiphase Induction Motors With an Odd Number of Phases Under Open-Circuit Phase Faults

Control of Multiphase Induction Motors With an Odd Number of Phases Under Open-Circuit Phase Faults

In this paper, a control scheme for multiphase induction motor drives is presented and assessed. This control scheme ensures the operation of a multiphase drive under an open-circuit phase fault that can occur in one or more phases at the same time. A fault-tolerant control strategy is developed. Th...

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Veröffentlicht in:IEEE transactions on power electronics 2012-02, Vol.27 (2), p.565-577
Hauptverfasser: Tani, A., Mengoni, M., Zarri, L., Serra, G., Casadei, D.
Format: Artikel
Sprache:eng
Schlagworte:
Circuits
Control systems
Electronics
Fault tolerance
Fault tolerant systems
Faults
Induction motors
Mathematical analysis
Motors
Multiphase
multiphase drives
Phases
Prototypes
Stator windings
Steady-state
Strategy
variable speed drives
Vector space
Windings
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Beschreibung
Zusammenfassung:In this paper, a control scheme for multiphase induction motor drives is presented and assessed. This control scheme ensures the operation of a multiphase drive under an open-circuit phase fault that can occur in one or more phases at the same time. A fault-tolerant control strategy is developed. The mathematical analysis is based on the space vector representation of the multiphase system and is valid either in transient or steady-state operating conditions. The feasibility of the drive is verified by means of experimental tests carried out on a prototype of seven-phase induction motor.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2011.2140334