Results 11 to 20 of about 270,271 (335)

A zero switch and sensorless reconfiguration approach for sustainable operation of roof‐top photovoltaic system during partial shading

open access: yesIET Renewable Power Generation, 2023
Photovoltaic (PV) roof‐top systems in real‐time environments are highly susceptible to the commonly occurring scenario of partial shading that occurs due to unavoidable conditions such as the shadow of buildings and trees.
Belqasem Aljafari   +3 more
doaj   +1 more source

Comparative analysis of insulated floating cover of water pit thermal energy storage

open access: yesEnergy Reports, 2023
Water pit thermal energy storage (PTES) as a sensible heat storage technology has been applied in many places with significant success. The insulated floating cover (IFC) of water pit is the key component of the PTES thermal storage efficiency and ...
Mingfei He   +6 more
doaj   +1 more source

Surface Texturization of Multicrystalline Silicon with Electrochemical Etching in NaOH/H2O Solution for Solar Cell Application

open access: yesInternational Journal of Electrochemical Science, 2020
Preparation of the anti-reflective (AR) texture on crystalline silicon (c-Si) surface is an effective way to improve the c-Si solar cell performance. The surface texturization of multicrystalline silicon (mc-Si) is usually performed by chemical etching ...
Zhenzhen Yao   +3 more
doaj   +1 more source

Solar Photovoltaic and Thermal Energy Systems: Current Technology and Future Trends [PDF]

open access: yes, 2017
Solar systems have become very competitive solutions for residential, commercial, and industrial applications for both standalone and grid connected operations. This paper presents an overview of the current status and future perspectives of solar energy
Abu.Rub, Aitham   +2 more
core   +1 more source

Optical Characterization of Different Thin Film Module Technologies

open access: yesInternational Journal of Photoenergy, 2015
For a complete quality control of different thin film module technologies (a-Si, CdTe, and CIS) a combination of fast and nondestructive methods was investigated.
R. Ebner   +5 more
doaj   +1 more source

Polymer interlayers on flexible PET substrates enabling ultra-high performance, ITO-free dielectric/metal/dielectric transparent electrode

open access: yesMaterials & Design, 2019
This work reports on the fabrication and properties of a dielectric/metal/dielectric (DMD) transparent electrode on polyethylene terephthalate (PET) flexible substrate with polymer interlayers.
Lukas Kinner   +5 more
doaj   +1 more source

Trusted Interconnections Between a Centralized Controller and Commercial Building HVAC Systems for Reliable Demand Response

open access: yesIEEE Access, 2017
Dynamic smart grid operations require that utilities that incorporate intermittent renewable energy resources provide creative and inclusive solutions to reduce and shift electrical demand.
C. Birk Jones, Cedric Carter
doaj   +1 more source

Estimating the Performance Loss Rate of Photovoltaic Systems Using Time Series Change Point Analysis

open access: yesEnergies, 2023
The accurate quantification of the performance loss rate of photovoltaic systems is critical for project economics. Following the current research activities in the photovoltaic performance and reliability field, this work presents a comparative ...
Andreas Livera   +4 more
doaj   +1 more source

AUTONOMOUS PHOTOVOLTAIC LIGHTING SYSTEM [PDF]

open access: yesJES. Journal of Engineering Sciences, 2012
This paper introduces a comparison between the conventional and Photovoltaic (PV) lighting systems. A simple sizing procedure for a PV stand-alone system was advised. The paper also proposes a novel PV lighting system. The proposed system is simple, compact and reliable.
Hafez, Ahmed A. A.   +2 more
openaire   +2 more sources

Discharge by Short Circuit Currents of Parallel-Connected Lithium-Ion Cells in Thermal Propagation

open access: yesBatteries, 2019
The increasing need for high capacity batteries in plug-in hybrids and all-electric vehicles gives rise to the question of whether these batteries should be equipped with a few large capacity cells or rather many low capacity cells in parallel.
Sascha Koch   +3 more
doaj   +1 more source

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