Abstract: To adapt to medium-voltage DC grids, a dual-active-bridge (DAB) converter with four-level nested neutral point-clamped (NNPC) legs is proposed in this paper. The voltage stress on each power ...
Abstract: The four-level nested neutral-point-clamped (4L-NNPC) inverter is a competitive topology among the various medium-voltage multilevel converters, and its main issue is flying-capacitor ...
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