Direct torque control of induction motor using three-level diode clamped inverter with DC-link capacitors voltage balancing

Dharmaprakash, R.; Henry, Joseph

doi:10.1504/ijied.2015.076296

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2021

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“…In recent years, DTC strategies of induction motor (IM) drives have been widely implemented in industrial variable speed applications (Dharmaprakash and Henry, 2015). Introduced in the middle of the 1980s, the first DTC strategy involves a simple control scheme which makes it possible rapid real-time implementation (Takahashi and Noguchi, 1986).…”

Section: Introductionmentioning

confidence: 99%

Conventional inverter emulation-based DTC strategy dedicated to delta inverter

Badsi

Ahmed

2021

IJPELEC

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The paper proposes a novel direct torque control (DTC) strategy for induction motor (IM) drives fed by (B3-VSI). The introduced strategy, noted 3 DTC , Emu B is based on the emulation of the operation of the conventional inverter (B6-VSI). The limitation associated with the reduced number of the intrinsic voltage vectors generated by the B3-VSI has been eradicated by suitable synthesis of the look-up table incorporated in the DTC scheme. A suitable combinations of the three voltage vectors intrinsically generated by the B3-VSI, lead to the synthesis of the six balanced voltage vectors of the B6-VSI. This approach has been adopted in the design of the look-up table of the proposed DTC strategy. Simulation and experimental results have revealed that B3-VSI fed IM drives exhibit interesting performance. These have been experimentally validated.

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Section: Introductionmentioning

confidence: 99%