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This paper presents a three-phase cascaded multilevel inverter that uses five-level transistor-clamped H-bridge power cells. Multicarrier phase-shifted pulse-width modulation method is used to achieve balanced power distribution among the power cells. A new method to balance the midpoint capacitor voltage in each cell is developed and tested. The analysis of the output voltage harmonics and the total...
In this study, a three-phase three-switch buck rectifier with high step-up converter arranged in cascaded form is presented. A two-stage boost converter is modified to include a voltage multiplier cell. The simulation and experimental results are also presented. It is found that the converter shows very high DC voltage gain, near unity power factor and low current THD compared to single stage boost...
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