Abstract
SummaryIn this paper, a modified single‐phase five‐level inverter is proposed with a single DC source and six switches. Comparing with the presented converters, the proposed topology has the advantage of reduced device count and the fundamental switching frequency for high blocking voltage switches. The proposed converter implements without clamping diodes and transformers, which reducing the volume, moreover mass of the inverter. In order to achieve the optimum output voltage, the model predictive controller is proposed as a rapid dynamic and semi‐low‐computation digital control system. This closed‐loop system is implemented in TMS320f28335 digital signal processor to assess the performance of the proposed converter under nonlinear and linear loads. Analytical investigation, including simulation and an experimental result, shows compliance with IEC 62040‐3 for inverters in standalone applications.
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