Results 11 to 20 of about 11,901 (212)

Novel Soft-Switching Integrated Boost DC-DC Converter for PV Power System

open access: yesEnergies, 2020
This paper presents a novel soft-switching boost DC-DC converter, which uses an edge-resonant switch capacitor based on the pulse width modulation PWM technique.
Khairy Sayed   +2 more
doaj   +1 more source

Dynamic Level Changing for Full Range ZVS in Flying Capacitor Multi-Level Converters

open access: yesIEEE Open Journal of Power Electronics, 2022
This paper presents a control technique for flying capacitor multi-level (FCML) converters to achieve zero-voltage switching (ZVS) across the full range of duty cycles, with application in high power density and high efficiency power converters. Previous
Margaret E. Blackwell   +2 more
doaj   +1 more source

A T-Type DC-DC Converter With Reduced Middle-Leg Switch Current Stress and Improved Light-Load Efficiency

open access: yesIEEE Open Journal of Power Electronics, 2020
The ZVS T-type converter can be used as an alternative to the conventional ZVS-PWM full-bridge (FB) converter for applications where improved light-load operation is required.
Javad Khodabakhsh, Gerry Moschopoulos
doaj   +1 more source

High‐frequency single‐switch PFC with frequency‐modulation controlled class‐E2 converter

open access: yesIET Power Electronics, 2021
This paper presents a single‐switch zero‐voltage switching (ZVS) power‐factor correction converter based on the class‐E2 converter at 1 MHz switching frequency. A design method for ensuring the ZVS for the entire line‐voltage period is proposed.
Wenqi Zhu   +5 more
doaj   +1 more source

A Full Load Range ZVS Isolated Three-Level DC/DC Converter with Active Commutation Auxiliary Circuit Suitable for Electric Vehicle Charging Application

open access: yesApplied Sciences, 2022
The isolated three-level DC/DC converter (ITLDC) can be used to charge electric vehicles. During the constant current charging stage, the ITLDC can be designed to realize nature zero voltage switching (ZVS).
Shaogui Fan   +4 more
doaj   +1 more source

Zero-Voltage-Switching Analysis Model of the Triple-Active-Bridge Converter

open access: yesEnergies, 2023
This study aims to analyze the zero-voltage-switching (ZVS) region of a Triple-Active-Bridge (TAB) converter with five degrees of freedom. A TAB converter is an isolated converter derived from a dual-active-bridge (DAB) converter and composed of three ...
Hyung-Jun Byun   +3 more
doaj   +1 more source

A simplified zero‐voltage switching detection circuit and switching loss dynamic optimisation method for synchronous buck converter

open access: yesElectronics Letters, 2021
This letter proposes a simplified zero‐voltage switching (ZVS) detection circuit and switching loss dynamic optimisation method. The proposed circuit and tuning method can automatically adjust the switching frequency of a synchronous buck converter to ...
Sizhao Lu, Xiaoting Deng, Siqi Li
doaj   +1 more source

Influence of Parasitic Parameters on DC–DC Converters and Their Method of Suppression in High Frequency Link 35 kV PV Systems

open access: yesEnergies, 2019
Photovoltaic (PV) power generation has shown a trend towards large-scale medium- or high-voltage integration in recent years. The development of high-frequency link PV systems is necessary for the further improvement of system efficiency and the ...
Rui Li, Fangyuan Shi, Xu Cai, Haibo Xu
doaj   +1 more source

An Effective Charger for Plug-In Hybrid Electric Vehicles (PHEV) with an Enhanced PFC Rectifier and ZVS-ZCS DC/DC High-Frequency Converter

open access: yesJournal of Advanced Transportation, 2022
A plug-in hybrid electric vehicles (PHEV) charger adapter consists of an AC/DC power factor correction (PFC) circuit accompanied by a full-bridge isolated DC/DC converter. This paper introduces an efficient two-stage charger topology with an improved PFC
G. Kanimozhi   +3 more
semanticscholar   +1 more source

An Improved Charge-Based Method Extended to Estimating Appropriate Dead Time for Zero-Voltage-Switching Analysis in Dual-Active-Bridge Converter

open access: yesEnergies, 2022
This paper presents a comprehensive analysis of zero-voltage-switching (ZVS) realization with an improved charge-based method by considering both voltage dependency parasitic capacitance and dead time in dual-active-bridge (DAB) converters, when the ...
Haoyu Zhang, Takanori Isobe
doaj   +1 more source

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