Reduction in Selected Torque Harmonics in a Three-Level NPC Inverter-Fed Induction Motor Drive

Piotr Chudzik, Marcin Steczek and Karol Tatar
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Piotr Chudzik: Institute of Automatic Control, Faculty of Electrical, Electronic, Computer and Control Engineering, Lodz University of Technology, 90-924 Łódź, Poland
Marcin Steczek: Institute of Electrical Power Engineering, Faculty of Electrical Engineering, Warsaw University of Technology, 00-661 Warszawa, Poland
Karol Tatar: Institute of Automatic Control, Faculty of Electrical, Electronic, Computer and Control Engineering, Lodz University of Technology, 90-924 Łódź, Poland

Energies, 2022, vol. 15, issue 11, 1-12

Abstract: The reduction or elimination of selected torque and current harmonics is widely used in multilevel inverter fed induction motor drives. A wide range of methods are employed to achieve this goal. Those modes of operation allow the avoidance of certain torque and current harmonics that may lead to disturbance and even mechanical and electrical resonance. In this paper, the selective harmonic elimination technique (SHE-PWM) is employed to reduce the chosen torque harmonics in a three-level NPC inverter-fed induction motor drive. The proposed method is compared with the synchronized carrier pulse width modulation technique (SCPWM). For both schemes of control simulation, a model is proposed using Simulink software. Furthermore, laboratory stand experiments are carried out to verify the correctness of torque harmonics formation.

Keywords: selective harmonic elimination; three-level NPC inverter; mechanical disturbance reduction (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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