This work demonstrates a novel modeling approach for non-isolated high step-up converters, suggesting improved design efficiency.
This work introduces a systematic small-signal modeling framework for a family of non-isolated high step-up dc–dc converters based on the multistate switching cell (MSSC) operating in continuous conduction mode (CCM). By analyzing the current and voltage waveforms associated with the switching cell, an averaged circuit model based on the pulse width modulation (PWM) switch technique is derived. The proposed method relies only on basic circuit principles, avoiding complex matrix manipulations. To validate the theoretical assumptions, a non-isolated dc–dc boost converter with a high voltage gain is evaluated, and its response is compared with that of the derived model.
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Feretti et al. (2026) studied this question.
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