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This paper presents an Integrated switched-coupled-inductor boost-flyback converter (abbreviated as SCIBFC), which has benefits of both Integrated boost-flyback converter (IBFC) and switched coupled-inductor boost converter. The principle of the proposed converter, analysis of operation (including the effects of parasitic parameters), and design guideline are included. SCIBFC achieves soft-switching...
This paper presents a multilevel modular step-down DC-DC switched-capacitor converter that utilizes soft switching resonant operation. Previous versions of traditional multilevel modular switched-capacitor dc-dc converters (MMSCC) have a low switching device voltage rating. Moreover, capacitor voltage stress increases proportionally as the voltage conversion ratio increments. Significant advantage...
An edge-resonant soft-switching time-sharing (TS) multiple-input (MI) dc-dc converter is introduced in this paper. The proposed converter can achieve high efficiency with zero-current switching (ZCS) and zero-voltage switching (ZVS). The zero-current switching (ZCS) can be realized on switch turned-on states, and the zero-voltage switching (ZVS) can be realized on switch turned-off states. In addition,...
A reliable modular dc-dc converter that is well-suited to the MVDC grid applications is proposed in this paper. This converter benefits from zero current turn-off and soft turn-on switching; hence, it can use naturally commutated switches such as silicon-controlled rectifiers (SCR). SCRs offer numerous advantages over other types of switches, among them are simple control, long lifetime, low losses,...
A current-fed soft-switching three-phase dc-dc converter suitable for high-power high-voltage-gain applications is presented in this paper. Proposed converter consists of constant-current-fed three-phase inverting bridge with reverse-blocking switches, primary-Y-connected three-phase transformer and voltage-doubler rectifier modules at the output. The rectifier modules are connected in series at the...
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