Results 21 to 30 of about 471,152 (307)

Comparison of load resistor and battery on controlling buck boost converter using fuzzy-pi method [PDF]

MATEC Web of Conferences, 2020
This paper discusses about controlling the buck boost converter output voltage remains constant by comparing of loads resistor and battery. Buck boost converter output voltage tends to be unstable when given a disturbance with a variety of loads, for ...
Massarang Maryanto, Jumiyatun Jumiyatun, Salu Pirade Yulius, Mahwada Mahwada, Fatmwati Andi   +4 more
doaj   +1 more source

Sensitivity analysis of wireless power transmission

Energy Reports, 2021
The compensation networks that realize constant current/constant voltage in the wireless power transfer are high-order resonant networks, and there are multiple resonance frequency points to achieve load-independent constant current/constant voltage ...
Da Li, Xusheng Wu, Jianxin Gao, Chunyang An, Wei Gao   +4 more
doaj   +1 more source

System-Level Efficiency Evaluation of Isolated DC/DC Converters in Power Electronics Transformers for Medium-Voltage DC Systems

IEEE Access, 2019
This paper presents system-level efficiency evaluation of the suitable isolated dc/dc converters in input-series-output-parallel power electronics transformers (PET) applied for medium-voltage dc systems and provides engineering insights into the design ...
You Wang, Kui Wang, Chi Li, Zedong Zheng, Yongdong Li   +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

Small signal modelling and stability analysis of internal ramp compensated constant on‐time controller with improved output voltage accuracy for point of load application

IET Power Electronics, 2021
This paper investigates a constant on‐time controller (COT) with internal ramp compensation and improved output voltage accuracy for point of load applications.
Kang Peng, Keng Chen, Luca Petruzzi, Min Chen, BangSup Lee, Danny Clavette   +5 more
doaj   +1 more source

Improved natural balancing with modified phase shifted PWM for single-leg five-level flying-capacitor converters [PDF]

, 2012
Flying capacitor converters (FCCs), as most multilevel converter topologies, require a balancing mechanism of the capacitor voltages. FCCs have the valuable property of natural voltage balancing when a special modulation technique is used.
Melkebeek, Jan, Reznikov, Boris, Ruderman, Alex, Thielemans, Steven   +3 more
core   +1 more source

Fully Digital Current Mode Constant On-Time Controlled Buck Converter With Output Voltage Offset Cancellation

IEEE Access, 2021
Fully digital current mode constant on-time (COT) control buck converter with output voltage offset cancellation is presented in this paper. Current mode COT can achieve fast transient response and low output voltage ripple with additional current path ...
Kai-Yu Hu, Wei-Ting Yeh, Chien-Hung Tsai, Chien-Wu Tsai   +3 more
doaj   +1 more source

Power quality issues of 3MW direct-driven PMSG wind turbine [PDF]

, 2015
This paper presents power quality issues of a grid connected wind generation system with a MW-class direct-driven permanent magnet synchronous generator (PMSG).
Ahmed, IA, Taylor, GA, Zobaa, AF
core   +1 more source

Asymmetric Pulse Frequency Modulation With Constant On-Time for Series Resonant Converter in High-Voltage High-Power Applications

IEEE Access, 2019
The series resonant converter (SRC), controlled by the traditional pulse frequency modulation (PFM) with constant on-time, can operate in discontinuous conduction mode (DCM) and is applicable for high-voltage high-power applications with the requirement ...
Guangfu Ning, Wu Chen
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