Results 1 to 10 of about 5,942,025 (304)

Endpoint Use Efficiency Comparison for AC and DC Power Distribution in Commercial Buildings

open access: yesEnergies, 2021
Advances in power electronics and their use in Miscellaneous Electric Loads (MELs) in buildings have resulted in increased interest in using low-voltage direct current (DC) power distribution as a replacement for the standard alternating current (AC ...
Arthur Santos   +4 more
doaj   +1 more source

A Comprehensive Review on Power Converters Control and Control Strategies of AC/DC Microgrid

open access: yesIEEE Access, 2021
Owing to the smart lifestyle, environmental consciousness, and dwindling fossil fuel supplies, there is a huge demand for clean and green energy. Microgrid (MG) is a crucial approach to renewable and clean energy. Because of the success of the AC utility
Shamsher Ansari   +2 more
doaj   +1 more source

Two-Port Characterization and Transfer Immittances of AC-DC Converters—Part I: Modeling

open access: yesIEEE Open Journal of Power Electronics, 2021
This two-part paper presents a general method to model three-phase ac-dc converters in the frequency domain for power system stability studies. In the developed approach, an ac-dc converter is treated as a two-port network connecting an ac and a dc power
Jian Sun
doaj   +1 more source

An inductor-less universal switched-capacitor converter realizing dc/dc, ac/dc, dc/ac, and ac/ac conversion

open access: yesEnergy Reports, 2020
For multi-applications, a novel universal switched-capacitor (SC) converter is proposed in this paper. The proposed converter consists of a rotation-type SC converter and a full-bridge circuit.
Kei Eguchi   +3 more
doaj   +1 more source

Impedance Modeling and Stability-Oriented Parameter Optimization of Isolated Dual Active Bridge-Based Two-Stage AC-DC-DC Converter

open access: yesFrontiers in Energy Research, 2022
The isolated dual active bridge (DAB)-based two-stage AC-DC-DC converters have been widely applied in grid-connected power electronics systems. However, the impedance interactions between the DAB converter and the AC-DC rectifier can cause instability ...
Fan Feng   +4 more
doaj   +1 more source

A system efficiency improvement of DC fast-chargers in electric vehicle applications: Bypassing second-stage full-bridge DC-DC converter in high-voltage charging levels

open access: yesAin Shams Engineering Journal, 2023
In this paper, the DC fast charger module with its circuit topologies is studied detailed. The electric vehicle batteries are charged via DC fast chargers for quick charging.
Yusuf Yasa
doaj   +1 more source

Topological review of hybrid RES based multi‐port converters

open access: yesIET Renewable Power Generation, 2022
Depletion of natural resources like gas, oil, coal along with environment pollution increased the popularity of the Renewable Energy Sources (RES). Power Electronic converters are utilized for conversion of power from RES to coordinate the stand‐alone ...
Satya Prasanth Yalla   +2 more
doaj   +1 more source

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

Analysis of energy processes in pulse converters of AC electric power

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2015
The article presents the analysis of energy processes in switched-mode AC-AC converters of buck, boost and buck-boost types. The mathematical model of energy processes is obtained.
A. F. Kadatsky, A. P. Rusu
doaj   +1 more source

The analysis of energy and magnetic processes in inductors switched-mode electrical energy converters

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2016
The article presents the analysis of energy and magnetic processes in core of inductors switched-mode AC-AC and DC-DC converters. The mathematical model of energy and magnetic processes in core of inductors is obtained.
А. Ф. Кадацкий   +1 more
doaj   +1 more source

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