Results 21 to 30 of about 267 (189)

An Active-Clamp Forward Inverter Featuring Soft Switching and Electrical Isolation

Applied Sciences, 2020
Traditional photovoltaic (PV) grid-connection inverters with sinusoidal pulse-width modulation (SPWM) control suffer the problem of buck-typed conversion.
Chien-Hsuan Chang, Chun-An Cheng, Hung-Liang Cheng, Yen-Ting Wu   +3 more
doaj   +1 more source

Bidirectional Tapped-inductor Boost-Flyback Converter

The Transactions of the Korean Institute of Power Electronics, 2015
This paper proposes a new bidirectional DC–DC converter with high efficiency. The proposed converter is composed of a flyback and a tapped-inductor boost converter to satisfy extreme operating conditions with low cost. The outputs are connected in series to achieve a high-voltage step-up.
Hyun-Woo Kim, Young-Tae Jeon, Joung-Hu Park, Hee-Jong Jeon   +3 more
openaire   +2 more sources

A Family of High Voltage Gain Three-Level Step-Up Converters for Photovoltaic Module Integration Applications

Energies, 2020
This paper proposes a family of step-up three-level DC-DC converter topologies suitable for photovoltaic panel integration applications. The proposed family is suitable to convert the 10–30 V from photovoltaic panels to a 150 V direct current ...
Ahmad Alzahrani, Pourya Shamsi, Mehdi Ferdowsi   +2 more
doaj   +1 more source

A High-Gain Three-Port Power Converter with Fuel Cell, Battery Sources and Stacked Output for Hybrid Electric Vehicles and DC-Microgrids

Energies, 2016
This paper proposes a novel high-gain three-port power converter with fuel cell (FC), battery sources and stacked output for a hybrid electric vehicle (HEV) connected to a dc-microgrid.
Ching-Ming Lai, Ming-Ji Yang
doaj   +1 more source

High-Gain High-Efficiency DC–DC Converter with Single-Core Parallel Operation Switched Inductors and Rectifier Voltage Multiplier Cell

Energies, 2021
This paper proposes a high step-up high-efficiency converter, comprised of an active switched coupled-inductor cell. The secondary windings are integrated into a rectifier voltage multiplier cell in a boost-flyback configuration, allowing the operation ...
Eduardo Augusto Oliveira Barbosa, Márcio Rodrigo Santos de Carvalho, Leonardo Rodrigues Limongi, Marcelo Cabral Cavalcanti, Eduardo José Barbosa, Gustavo Medeiros de Souza Azevedo   +5 more
doaj   +1 more source

Input Small-Signal Characteristics of Selected DC–DC Switching Converters

Energies, 2022
The main goal of this study was to derive small-signal models of the input characteristics of buck, boost, and flyback converters working in continuous conduction mode (CCM) and discontinuous conduction mode (DCM).
Włodzimierz Janke, Maciej Bączek, Jarosław Kraśniewski, Marcin Walczak   +3 more
doaj   +1 more source

A Bipolar ±13 mV Self-Starting and 85% Peak Efficiency DC/DC Converter for Thermoelectric Energy Harvesting

Energies, 2020
This paper presents a novel converter for boosting the low-voltage output of thermoelectric energy harvesters to power standard electronic circuits. The converter can start up from a fully depleted state of the system off a bipolar ±13 mV input and can ...
Harald Dillersberger, Bernd Deutschmann, Douglas Tham   +2 more
doaj   +1 more source

Implementation of Snubber Circuits in a PV-Based Off-Grid Electric Vehicle Charging Station—Comparative Case Studies

Energies, 2021
With the penetration of electric vehicles (EVs), there have been paradigm shifts in the transportation sector. EVs are ideally considered to be clean and eco-friendly, but they can overload the existing grid infrastructure and significantly contribute ...
Divya Krishnan Nair, Krishnamachar Prasad, Tek Tjing Lie   +2 more
doaj   +1 more source

Uphill production of dihydrogen by enzymatic oxidation of glucose without an external energy source

Nature Communications, 2018
Most chemical reactions proceed downhill without external energy input. Here, authors employ an electronic flyback and a boost converter to store energy and spontaneously drive an uphill reaction.
Emmanuel Suraniti, Pascal Merzeau, Jérôme Roche, Sébastien Gounel, Andrew G. Mark, Peer Fischer, Nicolas Mano, Alexander Kuhn   +7 more
doaj   +1 more source

Controller design for a flyback coverter in operating interconnected to grid mode, for photovoltaic applications

Revista Facultad de Ingeniería Universidad de Antioquia, 2013
This article presents the modeling of a flyback converter integrated in a two-stage photovoltaic microinverter with grid connection, and the design of the respective controllers.
César Leonardo Trujillo Rodriíguez, Nelson Leonardo Díaz Aldana, Johann Alexander Hernández Mora   +2 more
doaj   +1 more source