Results 21 to 30 of about 319,280 (338)

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 review of power converter topologies with medium/high frequency transformers for grid interconnection systems [PDF]

open access: yes, 2016
In recent years, power electronics has evolved dra¬matically due to their importance in power extracted manage¬ment from renewable sources. In this paper an overview of grid interconnection systems with galvanic isolation is presented.
Costabeber, Alessando   +4 more
core   +1 more source

Medium-Voltage Cascaded Sequential Topology for Large-Scale PV Plants

open access: yesIEEE Access, 2021
Photovoltaic (PV) conversion systems are in continuous development due to their increasingly competitive prices. The traditional configuration of large-scale PV plants is based on high-power central inverters, which have reduced their cost by increasing ...
David Lumbreras   +5 more
doaj   +1 more source

Hybrid Feedback Control Methods for Robust and Global Power Conversion [PDF]

open access: yes, 2015
In this paper, the applicability and importance of hybrid system tools for the design of control algorithms for energy conversion in power systems is illustrated in two hybrid control designs, one pertaining to DC/DC conversion and the other to DC/AC ...
Chai, J, Sanfelice, RG
core   +1 more source

Hybrid AC and DC power distribution

open access: yesCeylon Journal of Science, 2017
Interest in the use of DC for medium and low voltage distribution circuits is growing as a means of reducing the multiple power conversion stages associated with connecting renewable energy sources and DC powered consumer electronic devices to the ...
S. Jayawardena   +2 more
doaj   +1 more source

Temporally Coordinated Energy Management for AC/DC Hybrid Microgrid Considering Dynamic Conversion Efficiency of Bidirectional AC/DC Converter

open access: yesIEEE Access, 2020
Multiple uncertainties from renewable energy sources, power loads and bidirectional AC/DC converter have brought great challenges to the energy management of AC/DC hybrid microgrid.
Bin Wei   +5 more
doaj   +1 more source

Analysis and Suppression of Voltage Harmonic Distortions of the Single-Phase High Frequency Link Matrix-Type DC–AC Converter

open access: yesIEEE Access, 2022
The single-phase high frequency link (HFL) matrix-type DC-AC converter has been widely explored due to its high efficiency, light weight, and high power density, which offers galvanic isolation power conversion without bulky dc link capacitors and soft ...
Wenjie Zhu   +5 more
doaj   +1 more source

A current source inverter with series connected AC capacitors for photovoltaic application with grid fault ride through capability [PDF]

open access: yes, 2009
The current source inverter (CSI) is preferred to interface a renewable source such photovoltaics (PV) to the AC power grid because it can provide smooth current source in the DC side, which fits to the PV behaviour and also steps-up the voltage from DC ...
Klumpner, Christian   +2 more
core   +1 more source

Encapsulated 3Ø converter for power loss minimization in a grid-connected system

open access: yesAutomatika, 2023
A newly designed DC–AC three phase bidirectional converter (DATBC) with an encapsulated DC–DC converter (EDC) for the energy storage system (ESD) is analysed and investigated in this research paper.
Suresh K   +3 more
doaj   +1 more source

Configurations and Control Strategy of a Single Stage Grid Connected PV System [PDF]

open access: yesE3S Web of Conferences, 2020
In the grid-connected photovoltaic (PV) system, the array forms DC power. This generated power, a two-way grid process is called DC – DC – AC as a two-stage power conversion and, secondly, a DC-AC with a reduced circuit is called a single Stage Grid ...
Reddy K. Rajasekhara   +3 more
doaj   +1 more source

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