Comparative study of CFSI,Trans-CFSI and SL-QSBI

This paper presents the comparative analysis of the three types of inverters which are Current-Fed Switched Inverter (CFSI), Trans-Current-Fed Switched Inverter (Trans-CFSI), and improved Switched Inductor-Quasi Switched Boosted Inverter (SL-QSBI). Also, a simple boost Pulse-Width-Modulation (PWM) Scheme is applied to CFSI, Trans-CFSI, and improved SL-QSBI. Each inverter category is analyzed separately for evaluating the effect of variation in duty ratio on the modulation index and boost factor. The comparisons of these inverters are rendered to quantify the voltage boost ability, voltage stress on the switching device and the voltage gain ability. Moreover, a simple boost control scheme is also modified to attain high modulation index. The efficacy of the proposed results is verified using the Saber software simulations.

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