Results 1 to 10 of about 264,488 (294)

Minimum-Output-Current-Ripple Control of Current-Fed Three-Level Phase-Shift Full-Bridge Converter

Energies, 2022
Electrified ports using medium-voltage DC (MVDC) renewable energy microgrids require current-fed dc/dc converters in application scenarios such as battery or ultracapacitor charging units and hydrogen production systems.
Haichao Wang, Guorun Yang, Wei Kang, Xinsheng Zhang, Xuexin Fan, Fei Xiao   +5 more
doaj   +2 more sources

The character and design of LCC resonant converter for constant current applications

Dianzi Jishu Yingyong, 2018
LCC resonant converter has a good feature of constant current characteristics, which is the ideal driver for medium and high-power LED lighting. In this paper, based on a LCC resonant converter characteristic that the transformer primary side voltage can
Li Yong, Pan Yongxiong, Chen Linhai, Cai Bingli   +3 more
doaj   +1 more source

A Pseudo-Constant Frequency Constant On-Time Buck Converter With Internal Current Ripple Injection and Output DC Offset Cancellation

IEEE Access, 2019
A constant on-time buck converter with internal inductor current synthesizer and output DC offset cancellation technique is proposed. A fully integrated inductor current synthesizer based on valley voltage detector is employed to avoid system instability
Quan Sun, Yanzhao Ma, Zhengjie Ye, Xiaofei Wang, Hong Zhang   +4 more
doaj   +1 more source

Research of Kalman-FOPID algorithm in numerical control constant current source

Dianzi Jishu Yingyong, 2018
In the field of optical measurement, the light source has higher requirements to the constant current source, and the existing constant current source system has the system noise and measurement noise, which affects the output precision of the current ...
Cao Zhenguan, Yu Junfeng, Li Zhiwei
doaj   +1 more source

Three-Coil Wireless Charging System Based on S-PS Topology

Energies
To protect the battery, radio energy transmission charging typically uses constant current (CC) charging before switching to constant voltage (CV) charging to enhance battery durability.
Kai Yan, Ruirong Dang, Wenzhen Wang
doaj   +1 more source

Micromagnetic Study of the Dependence of Output Voltages and Magnetization Behaviors on Damping Constant, Frequency, and Wire Length for a Gigahertz Spin Rotation Sensor

Sensors, 2023
In this report, we studied the dependence of output voltage on the damping constant, the frequency of the pulse current, and the wire length of zero-magnetostriction CoFeBSi wires using multiphysics simulation considering eddy currents in micromagnetic ...
Fumiko Akagi, Terumi Kaneko, Hirotada Kan, Yoshinobu Honkura, Shinpei Honkura   +4 more
doaj   +1 more source

Research on output characteristics of compensation network of electric vehicle wireless charging system

Diance yu yibiao
Generally, wireless charging system needs to connect compensation network on both sides of the transmission coil to meet the requirements of constant current/constant voltage charging.
WANG Jiahui, LIN Lingyan, ZHANG Wenjie, TIAN Jiachen, QIN Wei   +4 more
doaj   +1 more source

UAV-WPT System Based on Novel Magnetic Structure and Model Predictive Control

Sensors, 2023
In this paper, a UAV-WPT based on a new orthogonal coupling structure is first designed. An offset weight method is proposed to optimize the design of the system resonance parameters to improve the power transmission efficiency in the offset state.
Qi Wang, Xingcan Li, Fei Yang, Tian Gao
doaj   +1 more source

Extending the Controllability of Minimized VA Rating Wireless Power Transfer Systems Operating in Restricted Sub-Resonant Frequency Region

IEEE Open Journal of Power Electronics
Sub-resonant frequency (SRF) operation of inductive wireless power transfer systems (IWPTS) allows attaining constant current (CC) output under varying coupling and output voltage conditions while minimizing transmitter volt-ampere (VA) rating ...
Andrey Vulfovich, Alon Kuperman
doaj   +1 more source

Research on composite resonator network with onstant—current output for current—fed ICPT systems

Gong-kuang zidonghua, 2018
In order to solve problem of constant current wireless power supply of different sensors used in coal mine safety monitoring and control system, a composite resonator compensation network for wireless power supply were studied based on current—fed ICPT ...
HOU Chun, ZHU Wang, SHUI Hengqi, YU Dongsheng   +3 more
doaj   +1 more source