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A computing comparison of the conduction losses and switching losses between three-level and two-level inverters is proposed under SVPWM (Space Vector Pulse Width Modulation). The model of simulation is established. Partial results are verified in the experiment. This paper compares the efficiency of three-level and two-level inverter under SVPWM. The simulation and experimental results demonstrate...
The recently proposed current-fed quasi-Z-source inverter (QZSI) can buck/boost voltage and provide bidirectional power flow. A crucial criterion for the size of three phase PWM converters is the cooling of the power semiconductors and thus determination of power dissipation at certain operating points. A complete analytical calculation of the power loss for current-fed QZSI is presented. Inverter...
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