ABSTRACT
The classical or conventional DC-DC boost converter is widely employed in voltage step-up, and is also being studied in many books on power electronics (Mohan, 2007; Erickson, 2007). But for high-power applications, the boost converter is not a feasible solution because the load power is processed by using only two semiconductors, while appreciable current and/or voltage stresses exist. Particularly, in high-current applications, conduction losses lead to the significant reduction of efficiency because these increase with the square of the RMS current through the semiconductors. Although the parallelism of switches or even converters is possible, current sharing is compromised because of the intrinsic differences of the involved elements (Klimczak, 2008).
