Results 51 to 60 of about 13,370,810 (198)

Analysis of LLC Resonant Converter considering effects of parasitic components

open access: yes, 2009
Nowadays the trend of power supply market is more inclined to high switching frequency, high efficiency and high power density. To meet this trend, resonant power supply holds more attraction, because it can be operated in high switching frequency with ...
Byoung-Hee Lee   +9 more
core   +1 more source

High-Frequency LLC Resonant Converter with GaN Devices and Integrated Magnetics

open access: yesEnergies, 2019
In this study, a light emitting diode (LED) driver containing an integrated transformer with adjustable leakage inductance in a high-frequency isolated LLC resonant converter was proposed as an LED lighting power converter.
Yu-Chen Liu   +4 more
doaj   +1 more source

A Novel Wide Gain Range LLC Resonant Converter With Multiple Operating Modes

open access: yesIET Power Electronics
This paper proposes a novel LLC resonant converter featuring two completely identical resonant circuits. By adjusting the control strategy of primary‐side switches, the two resonant circuits can operate independently or in series, allowing the entire ...
Yihui Xia   +4 more
doaj   +1 more source

Accurate Design of High-Efficiency LLC Resonant Converter With Wide Output Voltage

open access: yesIEEE Access, 2017
LLC resonant converter is utilized for a 3.3-kW on-board charger (OBC), where high efficiency and wide output voltage are required. In this paper, the resonant frequency and the magnetizing inductor of the converter are first optimized based on the ...
Hengshan Xu   +3 more
doaj   +1 more source

The Influence of Parasitic Components on LLC Resonant Converter [PDF]

open access: yesEnergies, 2019
In recent years, the LLC resonant converter has been widely used in DC–DC conversion applications. However, the parasitic components of the LLC resonant converter have a significant impact in practical applications, such as influence on the conduction loss and the soft-switching of power devices, the voltage oscillation across rectifier diodes, the ...
Fang Li   +4 more
openaire   +1 more source

A series-parallel load-resonant converter for a controlled-current arc-welding power supply [PDF]

open access: yes
A power supply incorporating a series-parallel load-resonant converter, capable of very efficient operation over a wide range of output power is presented. The series-parallel load-resonant converter is shown to have three pairs of resonant frequencies.
Pollock, Helen Geraldine Phyllis
core  

LLC Resonant Converter with asymmetric PWM for hold-up time

open access: yes, 2011
To narrow down the switching frequency variation range of an LLC resonant converter, asymmetric pulse-width modulation (APWM) of the hold-up time is proposed.
Kim, Bong Chul   +2 more
core   +1 more source

Differential Equation Model of the LLC Resonant Converter in the Ideal Case

open access: yesEnergies, 2020
The LLC resonant converter has been widely used in direct current (DC) power supply applications. However, fundamental harmonic approximation or other simplified analyses will introduce inevitable deviations.
Fang Li   +5 more
doaj   +1 more source

Analysis and Design of a 50-kW Two Stage Converters for EV Fast Charger With High Efficiency and Wide Output Voltage of 150–1000 V

open access: yesIEEE Access
Generally, the DC-DC converters used in DC fast chargers must cover a wide output voltage with a fixed input voltage, and a single module needs to supply 30-50 kW of power.
Ha-Min Park   +5 more
doaj   +1 more source

Design of Full-bridge Soft-switching DC/DC Converter Based on LLC Resonant

open access: yes机车电传动, 2019
In order to adapt to the development trend of high frequency and high power density of converter products, the working principle of LLC resonant soft-switching circuit was mainly introduced, the main mathematical relationship of LLC resonant network was ...
Xiaoyong ZHANG   +4 more
doaj  

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