Direct Torque Control scheme for dual-three-phase induction motor

Zaimeddine, R.; Undeland, Tore

doi:10.1109/ipec.2010.5543696

Cited by 4 publications

(1 citation statement)

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“…When the second set of three‐phase winding is placed at electrical 30° from the first set of three‐phase winding then machine is termed as asymmetrical six‐phase machine. The performance of 0° and 60° displaced six‐phase induction machine is virtually same [4–6].…”

Section: Introductionmentioning

confidence: 99%

Redundant switching state based DTC for six‐phase symmetrical induction motor driven by nine‐switch inverter

Sharma

Aware

Bhowate

2019

IET Electric Power Applications

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This paper presents the implementation of direct torque control (DTC) algorithm on the symmetrical six-phase (0°d isplaced) induction motor supplied by nine-switch inverter (NSI). This configuration provides the better dc bus utilisation in comparison to symmetrical 60° displaced and asymmetrical six-phase induction motor. In the conventional topology, 12-switch two-level inverter is required to control the drive where total 64 switching states are available. In the proposed system, NSI is used to drive the motor which is having 27 switching states. The DTC algorithm is proposed with five-level torque comparator by using large, small and zero voltage vectors for reduction in torque ripples. The elimination of xy-subspace flux without affecting the merits of conventional DTC is achieved by using redundant switching states of the inverter. The experimental results under steady-and dynamic-state operation are provided with DTC algorithm on 0° displaced symmetrical six-phase motor supplied by NSI to validate the effective controlling.

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Section: Introductionmentioning

confidence: 99%