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A Family of Random PWM Algorithms for Reduction of Torque Ripple and Current Harmonics of Direct Torque Controlled Open End Winding Induction Motor

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Abstract

In this paper, a family of RPWM techniques for the direct torque control (DTC) of open end winding induction motor (OEWIM) drive are presented. The conventional PWM inverters generate high harmonic content and concentrated power spectrum. Using RPWM techniques the harmonic spectrum of inverter is continuously distributed, and thus, the harmonic content in the current waveform is reduced, resulting reduction of ripple in electro-magnetic torque. The simulation results of the DTC of OEWIM drive prove the effectiveness of RPWM techniques in the reduction of the ripple and harmonic contents.

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Authors and Affiliations

  1. Department of EEE, G.P.R.E.C, Kurnool, Andhra Pradesh, India

    G. Satheesh & T. Bramhananda Reddy

  2. Department of Electrical Engineering, J. N. T. U, Kakinada, Andhra Pradesh, India

    Ch. SaiBabu

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  1. G. Satheesh
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  2. T. Bramhananda Reddy
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  3. Ch. SaiBabu
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Correspondence to G. Satheesh.

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Satheesh, G., Bramhananda Reddy, T. & SaiBabu, C. A Family of Random PWM Algorithms for Reduction of Torque Ripple and Current Harmonics of Direct Torque Controlled Open End Winding Induction Motor. J Control Autom Electr Syst 25, 349–357 (2014). https://doi.org/10.1007/s40313-013-0105-3

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  • DOI: https://doi.org/10.1007/s40313-013-0105-3

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