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Complete analysis and comparative study of digital modulation techniques for dual three-phase AC motor drives

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5 Author(s)
R. Bojoi ; Dipt. di Ingegneria Elettrica Industriale, Politecnico di Torino, Italy ; A. Tenconi ; F. Profumo ; G. Griva
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The main goal of the paper is to perform a complete analysis and a comparative study of different digital pulsewidth modulation (PWM) techniques for dual three-phase induction machine drives. Six different digital PWM strategies are considered: four of them are present in the literature, the other two have been introduced by the authors in this paper. The comparison between the modulation strategies is based on several criteria: current harmonic minimisation, hardware and software implementation complexity with low cost fixed-point DSP platforms. Simulation results are provided to emphasize the advantages and disadvantages of each method. Experimental tests have been carried out to validate the most promising strategy which gives satisfactory results in terms of current harmonic minimisation and low implementation complexity.

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Power Electronics Specialists Conference, 2002. pesc 02. 2002 IEEE 33rd Annual  (Volume:2 )

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