Induction Motor Direct Torque Control with Synchronous PWM

Alessandro Benevieri, Gianmarco Maragliano, Mario Marchesoni, Massimiliano Passalacqua and Luis Vaccaro
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Alessandro Benevieri: Department of Electrical, Electronic, Tlc Engineering and Naval Architecture (DITEN), University of Genova, via all’Opera Pia 11a, 16145 Genova, Italy
Gianmarco Maragliano: Department of Electrical, Electronic, Tlc Engineering and Naval Architecture (DITEN), University of Genova, via all’Opera Pia 11a, 16145 Genova, Italy
Mario Marchesoni: Department of Electrical, Electronic, Tlc Engineering and Naval Architecture (DITEN), University of Genova, via all’Opera Pia 11a, 16145 Genova, Italy
Massimiliano Passalacqua: Department of Electrical, Electronic, Tlc Engineering and Naval Architecture (DITEN), University of Genova, via all’Opera Pia 11a, 16145 Genova, Italy
Luis Vaccaro: Department of Electrical, Electronic, Tlc Engineering and Naval Architecture (DITEN), University of Genova, via all’Opera Pia 11a, 16145 Genova, Italy

Energies, 2021, vol. 14, issue 16, 1-17

Abstract: A novel induction motor direct torque control (DTC) algorithm with synchronous modulation is presented. Compared to the traditional DTC method, whose main drawback is the presence of low-frequency torque harmonics (sub-harmonics), in the proposed method, the PWM switching frequency is imposed to be an integer multiple of the main supply frequency. This is achieved by continuously adjusting the PWM switching period to significantly reduce low-frequency harmonics. The devised algorithm has been tested on an inverter-fed induction motor drive system, and the obtained results show an important reduction of the sub-harmonic spectral content of the developed torque with respect to a conventional direct torque control while maintaining at the same time a high dynamic response.

Keywords: direct torque control; synchronous PWM; induction motor drive (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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