CPC H02M 7/527 (2013.01) [H02M 1/4258 (2013.01); H02M 7/5395 (2013.01); H02M 1/42 (2013.01); H02M 7/217 (2013.01)] | 20 Claims |
1. A method for generating a split-phase power signal via a power converter comprising a first leg, a second leg, and a third leg, wherein the method comprises:
switching, at a first frequency, the first leg comprising a first switch and a second switch of a first type to generate a first signal;
switching, at a second frequency, the second leg comprising a third switch and a fourth switch of a second type to generate a second signal, wherein:
the first frequency is higher than the second frequency,
the second frequency is associated with a fundamental frequency of a power system,
the first type of switch is configured to switch at the first frequency, and the second type of switch is configured to switch at the second frequency;
generating a neutral leg control signal for switching the third leg comprising a fifth switch and a sixth switch of a third type;
switching, by the neutral leg control signal, the third leg to generate a third signal; and
generating, based on the first signal, the second signal, and the third signal, the split-phase power signal.
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