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Direct Torque Control of Induction Motor Load Generator



Author(s)

Hamid R. Tolue

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DOI:10.17265/2328-2223/2017.02.001

DTC (direct torque control) of induction motor drives has many outstanding performance and implementation properties. This paper presents an innovative direct torque controlled load generator based on space vector modulation suitable for the emerging applications such as electrical test benches that require extremely fast large-signal torque and dynamic responses. To realize system performance, two methods based on the classical DTC (with six-sector switch table) and the proposed twelve-sector DTC have been analyzed and used for modelling the dynamometer. The performance of the proposed dynamometer is investigated by simulating different parts of the system and results are presented for several industrial load profiles. Finally, limitations and advantages of each
controller are presented and analyzed.

DTC, motor control, induction motor, load generator.