Results 11 to 20 of about 27,286 (266)

Harmonic Stability Assessment of Commercially Available Single-Phase Photovoltaic Inverters Considering Operating-Point Dependencies

open access: yesSolar, 2023
The growth of renewables in the energy sector, e.g., in public low-voltage networks, leads to an increasing share of installed power electronic devices, e.g., inverters for photovoltaic applications. To rely on these devices, suitable analyses have to be
Elias Kaufhold   +3 more
doaj   +1 more source

Energy Management in a Standalone PV System with Priority Controller [PDF]

open access: yesE3S Web of Conferences, 2023
In many developing countries, meeting the energy demand has become a major challenge. Such problem is more prominent in rural and remote areas of the country.
B. Ashok Kumar   +3 more
doaj   +1 more source

Voltage Quality Enhancement of Grid-Integrated PV System Using Battery-Based Dynamic Voltage Restorer

open access: yesEnergies, 2020
The advancement of power electronic-based sensitive loads drives the power utilities’ devotion to power quality issues. The voltage disturbance could be happening due to fault conditions, switching of loads, energizing of transformers, or integration of ...
Emiyamrew Minaye Molla, Cheng-Chien Kuo
doaj   +1 more source

LABORATORY STAND FOR SMALL WIND TURBINE SIMULATION

open access: yesInformatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, 2017
The article presents a concept of the laboratory stand for wind turbine simulation, built on the basis of cage induction motor, supplied from a frequency converter.
Wojciech Matelski   +2 more
doaj   +1 more source

Review of Control Techniques for Wind Energy Systems

open access: yesEnergies, 2020
In recent years, penetration of renewable energy resources into the power grid has increased significantly. Wind, as a renewable, clean, and abundantly available source of energy, has an important share in the energy mix.
Hooman Ghaffarzadeh, Ali Mehrizi-Sani
doaj   +1 more source

Switching Performance of a 3.3-kV SiC Hybrid Power Module for Railcar Converters

open access: yesIEEE Access, 2020
The unique properties of a SiC hybrid 3.3-kV/450-A half-bridge IGBT power module which is designed for enhanced reliability of railcar converters are presented in this paper.
Xiang Li   +8 more
doaj   +1 more source

Analysis of the influence of DC optimizers on photovoltaic production

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2020
Energy efficiency is a key element in the Smart Cities (SC), in which integration of renewable sources is a reality. Small-scale integration is usually implemented with photovoltaic (PV) and solar thermal energy.
Luis Hernández-Callejo   +3 more
doaj   +1 more source

Reliability Importance of Renewable Energy Sources to Overall Generating Systems

open access: yesIEEE Access, 2021
Over the years, probabilistic nature of renewable energy sources (RES) and its influence on power system adequacy have been well studied. However, rather less attention has been paid to the impact of RES unit itself's and its power conversion system's ...
Ming Niu   +6 more
doaj   +1 more source

Study on the properties of MgO-Fe-C bricks as the linings of vanadium-extraction converters

open access: yes工程科学学报, 2016
To extend the service life of MgO-C bricks which used as the linings of vanadium-extraction converters, MgO-Fe-C bricks were fabricated in this study. The service properties of this novel refractory were comparatively investigated between traditional MgO-
LIU Lei   +3 more
doaj   +1 more source

Metal-Supported Solid Oxide Fuel Cells with Exceptionally High Power Density for Range Extender Systems

open access: yesCell Reports Physical Science, 2020
Summary: Solid oxide fuel cells (SOFCs) exhibit potential to become a key technology for future clean energy systems. The metal-supported SOFC exhibits decisive strengths like fast start-up capability, mechanical robustness, and acceptable cost, making ...
David Udomsilp   +11 more
doaj   +1 more source

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