Results 31 to 40 of about 756,251 (144)

Wide Voltage Gain Range Bidirectional DC-DC Converter with Reduced Switches Count and Buck-Boost Characteristic in Both Power Flow Directions

Energies
Several applications require bidirectional power converters with high-voltage gain. While several topologies have been proposed, none of them exhibit Buck-Boost characteristics in both forward and reverse power transfer.
Victor Fernão Pires, Armando Cordeiro, Daniel Foito, Tito Amaral, José Fernando Silva   +4 more
doaj   +1 more source

Research on Single-Phase PWM Converter with Reverse Conducting IGBT Based on Loss Threshold Desaturation Control

Energies, 2017
In the application of vehicle power supply and distributed power generation, there are strict requirements for the pulse width modulation (PWM) converter regarding power density and reliability.
Xianjin Huang, Dengwei Chang, Chao Ling, Trillion Q. Zheng   +3 more
doaj   +1 more source

Reverse Food Logistics during the Product Life Cycle [PDF]

, 2014
This study aimed to examine reverse logistics across the food product life cycle. Based on a literature review of reverse logistics factors in food industry a set of measures were derived.
Vlachos, IP, Vlachos, Ilias
core   +1 more source

High Efficiency High Power Density Bidirectional Non-Isolated LLC Converter With Transformer-Coupled Gate Driver for 48 V MHEV

IEEE Open Journal of Power Electronics
In this article, a 12-switch non-isolated LLC (NI-LLC) converter is proposed to address the application requirements of 4:1 bidirectional fixed-ratio voltage conversion in 48 V mild hybrid electric vehicles (MHEVs).
Song Ding, Chunyan Nie, Qi Liu, Qinsong Qian, Weifeng Sun   +4 more
doaj   +1 more source

Research on Thyristor Reverse Recovery Behavior in High-Voltage Direct Current Transmission Converter Valves and Its Application in Integrated Protection Systems

Energies
The performance of converter valves is essential for the reliability and efficiency of high-voltage direct current (HVDC) transmission systems. Converter valves consist of multiple thyristor levels, each requiring regular testing to ensure proper ...
Cao Wen, Liang Song, Yu Huang, Dong Peng, Peng Zhang, Jianquan Liao, Longjie Yang, Shilin Gao   +7 more
doaj   +1 more source

Conversores cc-cc de alto ganho de tensão não isolados com rendimento elevado formados pela integração de conversores cc-cc básicos [PDF]

, 2012
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica.: Este trabalho apresenta o estudo de conversores CC-CC de alto ganho de tensão não isolado e rendimento elevado, baseado em ...
Tanca Villanueva, Moisés Carlos
core  

A Dual-Transformer-Based Bidirectional DC–DC Converter of Using Blocking Capacitor for Wide ZVS Range

IEEE Access, 2020
In order to improve the efficiency of battery charging and discharging in a wide conversion gain, a dual-transformer-based full bridge converter using a block capacitor was proposed. By adding the blocking capacitor in the primary side of one transformer,
Yanke Liang, Xu Liu, Guokai Xu, Shuaichao Yue   +3 more
doaj   +1 more source

Application of new bidirectional DC/DC converter in uninterruptible power supply system

Dianzi Jishu Yingyong, 2018
In order to solve the uninterruptible power supply in the power flow of the uneven distribution and raising and reducing capacity problems, based on the bidirectional Buck-Boost DC/DC converter on the traditional topology from begin to research, a new ...
Fang Xupeng, Zhao Yang, Yu Zhixue
doaj   +1 more source

A Self-Start-Up Sub-Threshold DC/DC Boost Converter Using Bootstrap Driver for Self-Powered Sensor Nodes [PDF]

Radioengineering, 2021
In this paper, a fully autonomous and integrated sub-threshold DC-DC converter is presented for energy harvesting from ambient sources to self-powered IoT nodes.
K. R. Komatla, S. R. Patri
doaj  

Design and Analysis of a New Zero Current Transition Bidirectional DC-DC Converter for Energy Storage Systems

Elektronika ir Elektrotechnika, 2018
This paper proposes a new zero-current transition based non-isolated bidirectional DC-DC converter for battery storage appliances in DC traction vehicles.
Pramod Kumar Aylapogu, Veera Venkata Subrahmanya Kumar Bhajana, Pavel Drabek, Martin Jara   +3 more
doaj   +1 more source