A Novel FLC Based Closed-Loop V/f Control of Five-Level Inverter Fed Open-End Winding Induction Motor Drive

  • Sanjiv KumarEmail author
  • Pramod Agarwal
Original Contribution


A fuzzy logic based closed-loop V/f control scheme for five-level inverter-fed open-end winding induction motor drive is proposed and experimentally validated in this paper. To the best of the authors’ knowledge, closed-loop V/f control for open-end winding induction motor has not been explored so far. The five-level inversion operation is achieved by feeding one end of the open-end winding induction motor by 3-phase, 3-level cascade inverter and other by 3-phase, 2-level inverter. To achieve the closed-loop V/f speed control, a fuzzy logic based auto tuned controller is designed. The controller is capable of reducing undesired sustained oscillations under different loading conditions. A hardware prototype model of the drive is developed to investigate the performance of the proposed controller for the full range of speed under light and high loading conditions.


Constant V/f control Fuzzy logic controller Multilevel inverter Open-end winding induction motor drive 



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Copyright information

© The Institution of Engineers (India) 2019

Authors and Affiliations

  1. 1.Harcourt Butler Technical University (Formerly HBTI Kanpur)KanpurIndia
  2. 2.Indian Institute of TechnologyRoorkeeIndia

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