Results 21 to 30 of about 780,252 (215)

Adaptive Control of Fuel Cell Converter Based on a New Hamiltonian Energy Function for Stabilizing the DC Bus in DC Microgrid Applications

open access: yesMathematics, 2020
DC microgrid applications include electric vehicle systems, shipboard power systems, and More Electric Aircraft (MEA), which produce power at a low voltage level.
Phatiphat Thounthong   +4 more
doaj   +1 more source

An Interleaved Configuration of Modified KY Converter with High Conversion Ratio for Renewable Energy Applications; Design, Analysis and Implementation [PDF]

open access: yesJournal of Operation and Automation in Power Engineering, 2019
In this paper, a new high efficiency, high step-up, non-isolated, interleaved DC-DC converter for renewable energy applications is presented. In the suggested topology, two modified step-up KY converters are interleaved to obtain a high conversion ratio ...
M. Eskandarpour Azizkandi   +2 more
doaj   +1 more source

Design Method of Double-Boost DC/DC Converter with High Voltage Gain for Electric Vehicles

open access: yesWorld Electric Vehicle Journal, 2020
Direct current to direct current (DC/DC) converters are required to have higher voltage gains in some applications for electric vehicles, high-voltage level charging systems and fuel cell electric vehicles. Therefore, it is greatly important to carry out
Zhengxin Liu, Jiuyu Du, Boyang Yu
doaj   +1 more source

Analysis and validation of multi‐device interleaved DC‐DC boost converter for electric vehicle applications

open access: yesIET Power Electronics, 2023
In Electric Vehicle (EV) application, voltage conversion is significant to obtain the desired operating voltage from the source voltage. A conventional boost converter can handle such applications, but it may add losses throughout the conversion process.
Ahmad Alzahrani   +4 more
doaj   +1 more source

Supercapacitor assisted LDO (SCALDO) techniquean extra low frequency design approach to high efficiency DC-DC converters and how it compares with the classical switched capacitor converters [PDF]

open access: yes, 2013
Supercapacitor assisted low dropout regulators (SCALDO) were proposed as an alternative design approach to DC-DC converters, where the supercapacitor circulation frequency (switching frequency) is in the order of few Hz to few 10s of Hz, with an output ...
Nihal Kulatana   +5 more
core   +1 more source

A Family of Scalable Non-Isolated Interleaved DC-DC Boost Converters With Voltage Multiplier Cells

open access: yesIEEE Access, 2019
In this paper, a family of non-isolated interleaved high-voltage-gain DC-DC converters is presented. This family can be used in a wide variety of applications, such as in a photovoltaic systems interface to a high voltage DC distribution bus in a ...
Ahmad Alzahrani   +2 more
doaj   +1 more source

Design, Validation, and Economic Behavior of a Three-Phase Interleaved Step-Up DC–DC Converter for Electric Vehicle Application

open access: yesFrontiers in Energy Research, 2022
Due to the increasing number of direct current (DC) loads in electric vehicles (EVs), DC–DC converters are widely used in EV applications. Hence, a DC distribution system with DC–DC converters is more efficient.
T. Saravanakumar, R. Saravana kumar
doaj   +1 more source

A High Voltage Ratio and Low Ripple Interleaved DC-DC Converter for Fuel Cell Applications

open access: yesThe Scientific World Journal, 2012
This paper proposes a high voltage ratio and low ripple interleaved boost DC-DC converter, which can be used to reduce the output voltage ripple. This converter transfers the low DC voltage of fuel cell to high DC voltage in DC link. The structure of the
Long-Yi Chang   +2 more
doaj   +1 more source

Modelling approaches for DC-DC converters with switched capacitors

open access: yes, 2015
In this paper we review relevant problems in the modelling of DC-DC converters with switched capacitors. We study several approaches that overcome the exposed modelling difficulties, addressing ideal and nonideal cases and using dynamic equations that ...
Rapisarda, P.   +2 more
core   +1 more source

Comparative Study of DC-DC Converters for Solar PV with Microgrid Applications

open access: yesEnergies, 2022
This review emphasizes the role and performance of versatile DC-DC converters in AC/DC and Hybrid microgrid applications, especially when solar (photo voltaic) PV is the major source.
Ingilala Jagadeesh   +1 more
doaj   +1 more source

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