CPC H02M 7/49 (2013.01) [H02P 27/14 (2013.01)] | 13 Claims |
1. A drive system for driving a multi-phase alternating current (AC) motor having a plurality of windings, the drive system comprising: a first power converter configured to cause a current to flow through a winding of a first phase of the multi-phase AC motor; a second power converter configured to cause a current to flow through a winding of a second phase of the multi-phase AC motor; a first conversion controller configured to decide on either a three-level phase voltage waveform or a five-level phase voltage waveform on a basis of setting information for designating a type of phase voltage waveform and control the first power converter so that the decided phase voltage waveform is output from the first power converter; and a second conversion controller configured to control the second power converter so that a phase voltage waveform having the same type as the phase voltage waveform of the first power converter is output from the second power converter on the basis of the setting information for designating the type of phase voltage waveform.
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