Abstract:Electrolytic capacitors (ECs) are important components in power
converters. However, their lifespan is much shorter than other
components, and their sizes increase greatly with larger capacitance. As
a result, ECs limit power converters’ lifespans and contribute to larger
sizes. This study proposes three schemes of eliminating ECs in the
quasi-Z-source DC-DC converter (QZSC). In scheme A, a non-electrolytic
capacitor quasi-Z-source DC-DC converter (NEC-A-QZSC) is realized to
minimize the converter size and wit… Show more
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