Results 1 to 10 of about 452,697 (216)

A Comprehensive Loss Model and Comparison of AC and DC Boost Converters

open access: yesEnergies, 2021
DC microgrids have become a prevalent topic in research in part due to the expected superior efficiency of DC/DC converters compared to their AC/DC counterparts.
Daniel L. Gerber   +6 more
doaj   +1 more source

A novel dual-leg DC-DC converter for wide range DC-AC conversion

open access: yesAutomatika, 2022
This paper proposes DC–AC Dual-leg dual-stage Conversion (DDC) and DC–AC Direct single-stage conversions (DSC). Conventional energy conversion system has only two-stage conversion, so it has some drawbacks such as huge power loss, less conversion range ...
K. Suresh, E. Parimalasundar
doaj   +1 more source

Direct-current electrical systems integration on a hybrid skidder using a parallelized step-down power converter array

open access: yesEnergy Reports, 2022
This paper deals with the control of the direct-current to direct-current (DC/DC) energy conversion between high voltage and low voltage systems within a hybrid electric power-train structure intended to be used in articulated forestry tractor, also ...
Matija Krznar   +2 more
doaj   +1 more source

A new double mode control strategy for power router with very wide DC voltage range

open access: yesIET Power Electronics, 2023
In household applications, the power router is a cost‐effective device for AC/DC power conversion. To make it compatible with various types of DC loads without introducing extra power conversion stages, it is important that the power router can work in ...
Jingjing Huang   +5 more
doaj   +1 more source

Extendable Array Rectenna for a Microwave Wireless Power Transfer System

open access: yesIEEE Access, 2021
In this study, a rectenna is adopted in a microwave-based wireless power transfer system to rectify the received radio frequency (RF) to DC power. Each rectenna comprises a DC-DC converter at the DC output port to ensure a stable power supply and a ...
Jeong-Min Woo   +6 more
doaj   +1 more source

New architectures for radio-frequency DC/DC power conversion [PDF]

open access: yes2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.04CH37551), 2004
This document proposes new architectures for switched-mode DC/DC power conversion. The proposed architectures enable dramatic increases in switching frequency to be realized while preserving features critical in practice, including regulation of the output across a wide load range and high light-load efficiency.
Rivas, Juan M.   +3 more
openaire   +2 more sources

New Class of Power Converter for Performing the Multiple Operations in a Single Converter: Universal Power Converter

open access: yesEnergies, 2022
Universal power converters (UPCs) have aroused significant attention in performing multiple operations in a single power converter. Furthermore, they contribute to economic operation and improved system performance.
Dhananjaya Mudadla   +4 more
doaj   +1 more source

A Modular Multilevel DC-DC Converter With Auxiliary Inductor Circuits for Cell Voltage Balancing and Fast Output Response

open access: yesIEEE Open Journal of Power Electronics, 2022
Battery-equipped apparatuses, such as electric vehicles (EVs), renewable energy generations, and mobile devices, are widely used and still being developed. For the design and evaluation of these devices, there is a growing demand for dc power supplies to
Hidemine Obara   +4 more
doaj   +1 more source

A Control Design Technology of Isolated Bidirectional LLC Resonant Converter for Energy Storage System in DC Microgrid Applications

open access: yesEnergies, 2023
This paper presents a new control method for a bidirectional DC–DC LLC resonant topology converter. The proposed converter can be applied to power the conversion between an energy storage system and a DC bus in a DC microgrid or bidirectional power flow ...
You-Kun Tai, Kuo-Ing Hwu
doaj   +1 more source

DC to DC Power Conversion [PDF]

open access: yes, 2007
We present results from a capacitor charge pump DC-DC converter prototype using 0.35um HV-CMOS technology fabricated in April 2006. The purpose of this prototype is to test the switch technology both for achievable efficiency and for radiation tolerance.
Ely, Robert, Garcia-Sciveres, Mauricio
core   +1 more source

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