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Reactive Power Limits in Distributed Generators from Generic Capability Curves
(2014-07-27)
This paper presents a generic trapezoid-type capability curve for any distributed generation technology. This curve is used to estimate the machine reactive power limits in terms of the actual active power and terminal ...
A practical method for considering shading on photovoltaics systems energy yield
(2023-10-01)
Along with the widespread adoption of solar energy, it is fundamental to develop methods and tools that help practitioners during the design phase of photovoltaic (PV) systems. Currently, multiple commercial software can ...
Constructing accurate equivalent electrical circuit models of lithium iron phosphate and lead–acid battery cells for solar home system applications
(2018-09-07)
The past few years have seen strong growth of solar-based off-grid energy solutions such as Solar Home Systems (SHS) as a means to ameliorate the grave problem of energy poverty. Battery storage is an essential component ...
Open–Access Model of a PV–BESS System: Quantifying Power and Energy Exchange for Peak Shaving and Self Consumption Applications
(2023)
Energy storage is vital for a future where energy generation transitions from a fossil fuels-based one to an energy system that relies heavily on clean energy sources such as photovoltaic (PV) solar energy. To foster this ...
Estimating battery lifetimes in Solar Home System design using a practical modelling methodology
(2018-10-15)
The rapid increase in the adoption of Solar Home Systems (SHS) in recent times hopes to ameliorate the global problem of energy poverty. The battery is a vital but usually the most expensive part of an SHS; owing to the ...
Análisis acústico de vocales de niños costarricenses
Acoustic vowel analysis of Costa Rican children
(2020-06-23)
En este artículo se presenta un análisis acústico de vocales pronunciadas por niños costarricenses con edades entre los 6 y los 12 años. Estos análisis tienen como objetivo lograr una mejor comprensión de las características ...
Síntesis de CeO2: propiedades del sol-gel y caracterización de las nanopartículas obtenidas
Synthesis of CeO2: sol-gel properties and characterization of the obtained nanoparticles
(2014)
En este estudio se propone un método sol-gel
eficiente para la síntesis de óxido de cerio (IV)
nanoparticulado y se comprueba con imágenes
AFM. La disolución no presenta impurezas, según
revelan los análisis por TGA, ...
Toward Thermochromic VO2 Nanoparticles Polymer Films Based Smart Windows Designed for Tropical Climates
(2022-10-10)
Thermochromic smart windows have been extensively investigated due to two main benefits: first, the comfort for people in a room through avoiding high temperatures resulting from solar heating while taking advantage of the ...
Producción artificial de habla: Síntesis de voz
(2015)
A finales de la década de los 80, el estadounidense Raymond Kurzweil, inventor del primer sistema comercial que es capaz de tomar texto de un libro y pronunciarlo mediante habla artificial, escribió la obra “La era de las ...
An Experimental Study on Speech Enhancement Based on a Combination of Wavelets and Deep Learning
(2022-06-20)
The purpose of speech enhancement is to improve the quality of speech signals degraded by noise, reverberation, or other artifacts that can affect the intelligibility, automatic recognition, or other attributes involved ...