This paper proposes an AC/DC single-stage structure by integrating a boost topology and active clamp flyback (ACF) circuit with power-factor-correction (PFC) function. The PFC function can be achieved controlling operated in the discontinuous conduction mode. With coordination of clamping components, resonant technique is obtained zero-voltage-switching (ZVS) achieved. proposed converter combin...

This article investigates the gallium nitride based bridgeless dual single-ended primary inductor converter (SEPIC) power factor correction (PFC) with full input voltage range zero-voltage-switching (ZVS) turn- on for application of step down ac–dc converter. The operation principle Dual-SEPIC ...

Abstmct Several new schemes of constructing 39 low harmonic rectifiers are introduced here. These 39 ac-dc topologies are derived fiom parent dc-dc converter topologies. With a single active switch featuring the zero-voltage switching property (ZVS) in addition to the diode rectifier bridge, the rectifiers are capable of naturally drawing approximately sinusoidal input current waveforms at near...

This study offers a thorough examination of the zero voltage switching (ZVS) operation range and deadband conditions for bidirectional DC-DC converter with phase shift control, featuring dual H-bridge. The analysis considers soft DAB converter, accounting impact headband ZVS capacitor. By applying differential equation circuit during time, sufficient constraint input output bridges can be calcu...

In this paper, a parallel modular multi-inverter (PMMI) topology is proposed to supply high power for wireless charging electric vehicles (EVs). A major challenge in the implementation of PMMI zero-voltage switching (ZVS) all inverters avoid high-frequency losses. Therefore, centralized-ZVS control and master–slave frequency following (MSFF) strategy are presented realize ZVS PMMIs by single co...

This paper presents the design and analysis and of the proposed zero voltage zero current switching (ZVZCS) full bridge dc-dc converter with transformer isolation and current doubler rectifier for high power and high performance by introducing ZVS for lagging leg and ZCS for leading leg operation It has a simple and robust structure with asymmetrical shifted pulse width modulation technique. Th...

A systematic approach to the analysis and design of a bi-directional Cûk converter for the cell voltage balancing control of a series-connected lithium-ion battery string is presented in this paper. The proposed individual cell equalizers (ICE) are designed to operate at discontinuous-capacitor-voltage mode (DCVM) to achieve the zero-voltage switching (ZVS) for reducing the switching loss of th...

This study presents a two-switch continuous conduction mode pulse width modulation flyback converter that employs an LC snubber circuit. The snubber circuit is used to achieve zero voltage switching (ZVS) operation for the main switches during the turn-off transition and soft switching for power diodes. With the proposed LC snubber, the magnetic energy in the transformer leakage inductance can ...

─ This paper presents a voltage doubler in to a half bridge converter is derived for electric vehicle battery chargers. The proposed converter provides wide ZVS range, reduced circulating current and also voltage stress. Circulating current during the freewheeling phases of phase shift full bridge circuit are reset by the sum of LLC circuit output voltage and resonant capacitor voltage by achie...