Results 21 to 30 of about 4,460,960 (252)

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

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

Adaptive-Output-Voltage-Regulation-Based Solution for the DC-Link Undervoltage of Grid-Forming Inverters

, 2023
This paper proposes an adaptive-output-voltage regulation (AOVR) based solution to alleviate the dc-link undervoltage for grid-forming (GFM) inverters.
Xikui Ma (13608506), Teng Liu (12535696), Xiongfei Wang (12437481), Cheng Luo (13588621)   +3 more
core   +1 more source

Zero-Voltage-Switching High-Step-Down Buck Converter With Continuous Output Current [PDF]

, 2023
This paper proposes a high step-down DC-DC converter with a continuous output current. In order to obtain high efficiency, the proposed converter topology ensures zero voltage switching of the MOSFETs and zero current switching of the diodes.
Montazerolghaem, Reza, Semiromizadeh, Javad, Patrick Wheeler, Javad Semiromizadeh, Wheeler, Patrick, Reza Montazerolghaem, Ehsan Adib, Adib, Ehsan   +7 more
core   +1 more source

Design of constant output voltage DC-AC inverter for batteryless solar PV system [PDF]

, 2020
This paper introduces a DC-AC inverter design that operates stand alone to deliver power from solar photovoltaic (PV) to the load directly without going through the battery.
Santosa, Harjono P., Risdiyanto, Agus, Rachman, Noviadi Arief, Atmaja, Tinton Dwi, Harjono P. Santosa, Muqorobin, Anwar, Agus Risdiyanto, Bambang Susanto, Tinton Dwi Atmaja, Susanto, Bambang, Anwar Muqorobin, Noviadi Arief Rachman   +11 more
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

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

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

Forecasting the Dialysis Burden in Japan: Validation‐Based Projections of Prevalence and Incidence Through 2050

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Japan has one of the highest dialysis prevalence rates worldwide and a shrinking, aging population. Whether dialysis burden has entered a sustained post‐peak phase or whether recent declines partly reflect pandemic‐related disruptions remains uncertain.
Hatice Şahin, Berrak Itır Aylı, Nüket Paksoy   +2 more
wiley   +1 more source

DC-DC Boost Converter with Constant Output Voltage for Grid Connected Photovoltaic Application System [PDF]

, 2010
The main purpose of this paper is to introduce an approach to design a DC-DC boost converter with constant output voltage for grid connected photovoltaic application system.
Chan, Pui Weng
core