Abstract
In this paper, new SVPWM switching sequences for six-phase asymmetrical induction motor drives are derived with the aim to reduce inverter's switching losses. Total three switching sequences are introduced in this paper. These sequences are derived such that the phases get continuously clamped when a current of the phases is around its peak magnitude and hence reduced switching losses are recorded. The comparative performances of these modulation techniques are studied with two existing switching sequences. Simulation, analytical and experimental results are presented. Based on these results, it is found that new switching sequences reduce switching losses effectively in dual three phase inverters.
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