Results 21 to 30 of about 3,542 (265)

A cascaded three‐level buck‐LLC DC/DC converter with high power density for high‐frequency applications

IET Power Electronics, 2023
In distributed generation systems, converters play a vital role and DC/DC converter technology is constantly being promoted with the increasing demand for electrical equipment in various industries.
Baojian Ji, Qiongya Lou, Feng Hong, Yufei Zhou   +3 more
doaj   +1 more source

Full-Bridge LLC Resonant Converter With Series-Parallel Connected Transformers for Electric Vehicle On-Board Charger

IEEE Access, 2018
A full-bridge LLC resonant converter with series-parallel connected transformers for an onboard battery charger of electric vehicles is proposed, which can realize zero voltage switching turn-on of power switches and zero current switching turn-off of ...
Yanxia Shen, Wenhui Zhao, Zhe Chen, Chengchao Cai   +3 more
doaj   +1 more source

A High Power Interleaved Parallel Topology Full-Bridge LLC Converter for Off-Board Charger

IEEE Access, 2021
An interleaved parallel LLC converter is proposed as a DC/DC converter for a digital off-board charger in accordance with the high output power requirements of modern electric vehicle chargers. The proposed converter utilizes a hybrid control strategy of
Jianbin Chen, Chengyu Yang, Shengzong Tang, Jianjun Zou   +3 more
doaj   +1 more source

Applying a Current Sharing Method Based on Partial Energy Processing to Multiphase LLC Resonant Converters

Energies
In this paper, partial energy processing is applied to the current sharing technique for multiphase LLC resonant converters. The proposed circuit consists of an LLC resonant converter and a flyback converter, where the flyback converter is only used for ...
Yue-Lin Lee, Han-Hsiang Chen, Kuo-Ing Hwu   +2 more
doaj   +1 more source

A stability improvement control strategy research for LLC resonant converter with single neuron PI-I double closed loop control

Ain Shams Engineering Journal
LLC resonant converters are widely used in the aerospace field. However, under traditional single-loop control, LLC resonant converters are prone to instability in the face of high-power load disturbances, which fails to meet the high stability ...
Zhangang Yang, Qingyu Zhou
doaj   +1 more source

LLC Resonant Converter as a Current Source Using Simple Trajectory Control

Energies, 2023
This paper discusses a simple method for controlling an LLC resonant DC-DC converter using a state space trajectory based on a linear combination of the voltage across the capacitor and the current through the inductance in the series resonant tank.
Tsvetana Grigorova, Aleksandar Vuchev
doaj   +1 more source

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

Energies, 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, Haodong Lei, Ruixiang Hao, Siwei Liu, Xiaojie You, Jingmin Gao   +5 more
doaj   +1 more source

Parameters Optimization of an Intermediate Frequency Isolated SiC Power DC-DC Converter

IEEE Access, 2022
To improve the lightweight level of auxiliary converters for urban rail vehicles, full SiC intermediate frequency auxiliary converters have become a trend.
Chengwei Kang, Hongliang Pan, Shuiyuan He, Jiahui Ren, Peicheng Cong, Dazhi Hou, Jingyan Zhang, Lijun Diao   +7 more
doaj   +1 more source

Low‐Temperature Imidization of Polyimides (PI) for Scalable Manufacturing of Flexible Wearable Electronics

Advanced Engineering Materials, EarlyView.
Low‐temperature imidization of PEG‐modified polyimide enables fully screen‐printed, roll‐to‐roll fabrication of flexible electrodes on PET substrates, delivering robust mechanical durability and reliable ECG/EMG signal performance for wearable electronics.
Akib Abdullah Khan, Jong‐Hoon Kim
wiley   +1 more source

Research on LLC Resonant Converter Control Strategy Based on Sliding Mode Active Disturbance Rejection Control

IEEE Access
Aiming at the problems of excessive fluctuation and long adjustment time when LLC resonant converter encounters load mutation in traditional control strategy, which seriously affects the normal use, an improved self-disturbance control strategy based on ...
Liwen Ji, Xin Li, Lei Han, Zhen Yang, Caochao Zhang, Yan Li   +5 more
doaj   +1 more source