Experimental Investigation of Decoupled Discontinuous PWM Strategies in Open-End Winding Induction Motor Supplied by a Common DC-link

Mohammed Zerdani, Sid Ahmed El-Mehdi Ardjoun, Houcine Chafouk, Mouloud Denai

Research output: Contribution to journalArticlepeer-review

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Abstract

Currently, open-end winding induction motors fed by a dual inverter (OEWIM-DI) present an innovative approach to enhance the performance of modern electric drive systems, such as electrical vehicles and electric aircraft applications. However, the DI topology requires a proper switching control strategy to enable the OEWIM drive to fully achieve its performance. This work aims to investigate experimentally the impact of different decoupled discontinuous pulsewidth modulation (DDPWM) control strategies on the performance of the OEWIM-DI supplied by a common dc-link. The criteria performances adopted in this study are: 1) the total harmonic distortion (THD) of the current and voltage; 2) the zero sequence voltage (ZSV); 3) the common mode voltage (CMV); and 4) the DI losses. The various DDPWM control schemes for the 1.5-kW OEWIM-DI motor drive are implemented on a dSPACE 1104 board, and the results are compared with the popular and widely used space-vector PWM (SVPWM) strategy. From the results, it can be concluded that the optimized DDPWM technique gives the best performance. This technique has reduced the CMV by one level and reduces the losses by 50% while having the same THD and ZSV obtained with the SVPWM technique.
Original languageEnglish
Pages (from-to)3087-3096
Number of pages10
JournalIEEE Journal of Emerging and Selected Topics in Power Electronics
Volume11
Issue number3
Early online date17 Mar 2023
DOIs
Publication statusPublished - 1 Jun 2023

Keywords

  • Open-end winding induction motor, Common DC-link , dual inverter , decoupled discontinuous PWM , Efficiency , common mode voltage , zero sequence component , THD Optimization
  • efficiency
  • total harmonic distortion (THD) optimization
  • Common dc-link
  • zero sequence component
  • decoupled discontinuous pulsewidth modulation (DDPWM)
  • open-end winding induction motor (OEWIM)
  • common mode voltage (CMV)
  • dual inverter (DI)

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