© The Institution of Engineering and Technology
The interconnection of basic switching converters to increase power handling capabilities in dc applications has been widely reported in technical literature. This study presents a family of switching step-up dc–dc converters based on the principle of reduced redundant power processing (R 2 P 2). This principle states that the power transfer from input port and output port on interconnected converters is reduced when a non-cascading connection is used. As shown in this study, the principle R 2 P 2 is useful for developing new converters. These have wide conversion ratios and quadratic dependence with respect to the duty ratio. In this study, the voltage conversion ratios, average models and steady-state operating conditions for proposed converters are derived, which are verified by experimental results.
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