Modified direct torque control for single-phase induction motor drives

  • Authors:

  • Thanatchai Kulworawanichpong;Tawat Chuchit

  • Affiliations:

  • School of Electrical Engineering, Suranaree University of Technology, Nakhon Ratchasima, Thailand;School of Electrical Engineering, Suranaree University of Technology, Nakhon Ratchasima, Thailand

  • Venue:
  • WSEAS Transactions on Circuits and Systems
  • Year:
  • 2009

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Abstract

This paper illustrated a modified strategy of direct torque control for single-phase induction motors. The proposed strategy was based on classical six-sector hysteresis-type direct torque control scheme developed by using stator reference frame. The modification made in this paper led to two control strategies called modified six and twelve sectors, respectively. A switching table was derived based on the voltage vectors generated by the three-leg two-phase inverter topology. Simulations were carried out and performance analysis was presented.