Listar Ingeniería eléctrica por autor "Vega Garita, Víctor"
Mostrando ítems 1-20 de 22
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A modeling methodology to evaluate the impact of temperature on Solar Home Systems for rural electrification
Narayan, Nishant; Vega Garita, Víctor; Qin, Zian; Popovic Gerber, Jelena; Bauer, Pavol; Zeman, Miroslav (2018)Solar Home Systems (SHS) have recently gained prominence as the most promising solution for increasing energy access in remote, off-grid communities. However, the higher than standard testing conditions (STC) temperatures ... -
A practical method for considering shading on photovoltaics systems energy yield
Vega Garita, Víctor; Alpízar Gutiérrez, Verónica; Alpízar Castillo, Joel (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 ... -
A simple methodology for estimating battery lifetimes in Solar Home System design
Narayan, Nishant; Papakosta, Thekla; Vega Garita, Víctor; Popovic Gerber, Jelena; Bauer, Pavol; Zeman, Miroslav (2017)The proliferation of Solar Home Systems (SHS) in recent times hopes to provide an alleviating solution to the global problem of energy poverty. Battery is usually the most expensive but important part of an SHS; it is also ... -
Análisis técnico-económico de sistemas fotovoltaicos con almacenamiento de energía para clientes con tarifa residencial en Costa Rica
Vega Garita, Víctor; Blanco Alfaro, María Isabel; Pérez Mora, Aramis (2023-03-02)Como es conocido, la energía solar es un tipo de energía renovable que por su naturaleza se encuentra intrínsecamente influenciada por la variabilidad del recurso según sean las condiciones meteorológicas y geográficas del ... -
Assessing the Total Cost of Ownership of Electric Vehicles in the Costa Rican Market
Rodríguez Rodríguez, Rubén; Barrantes Silman, Andrés; Vega Garita, Víctor; Pérez Mora, Aramis (2021)This article aims to describe how the electric vehicle market operates in Costa Rica. Different government policies have been defined in order to promote the insertion of electric vehicles. With the existing public charging ... -
Comparison of PV-Battery Architectures for Residential Applications
Sulaeman, Ilman; Vega Garita, Víctor; Mouli, Gautham Ram Chandra; Narayan, Nishant; Ramírez Elizondo, Laura; Bauer, Pavol (2016-04-04)The paper provides a comparison of four PV-battery architectures with dc and ac backbones, in terms of autarky, energy efficiency, battery size and reduction of annual electricity cost. The comparison is conducted based ... -
Constructing accurate equivalent electrical circuit models of lithium iron phosphate and lead–acid battery cells for solar home system applications
Yu, Yunhe; Narayan, Nishant; Vega Garita, Víctor; Popovic Gerber, Jelena; Qin, Zian; Wagemaker, Marnix; Bauer, Pavol; Zeman, Miroslav (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 ... -
Energy Management System for the Photovoltaic Battery Integrated Module
Vega Garita, Víctor; Sofyan, Muhammad Faizal; Narayan, Nishant; Ramírez Elizondo, Laura; Bauer, Pavol (2018-12-02)Given the complementary nature of photovoltaic (PV) generation and energy storage, the combination of a solar panel and a battery pack in one single device is proposed. To realize this concept, the PV Battery Integrated ... -
Estimating battery lifetimes in Solar Home System design using a practical modelling methodology
Narayan, Nishant; Papakosta, Thekla; Vega Garita, Víctor; Qin, Zian; Popovic Gerber, Jelena; Bauer, Pavol; Zeman, Miroslav (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 ... -
Exploring the boundaries of Solar Home Systems (SHS) for off-grid electrification: Optimal SHS sizing for the multi-tier framework for household electricity access
Narayan, Nishant; Chamseddine, Ali; Vega Garita, Víctor; Qin, Zian; Popovic Gerber, Jelena; Bauer, Pavol; Zeman, Miroslav (2019-04-15)With almost 1.1 billion people lacking access to electricity, solar-based off-grid products like Solar Home Systems (SHS) have become a promising solution to provide basic electricity needs in un(der)-electrified regions. ... -
Integrating a photovoltaic storage system in one device: A critical review
Vega Garita, Víctor; Ramírez Elizondo, Laura; Narayan, Nishant; Bauer, Pavol (2019-12-19)Due to the variable nature of the photovoltaic generation, energy storage is imperative, and the combination of both in one device is appealing for more efficient and easy-to-use devices. Among the myriads of proposed ... -
Open–Access Model of a PV–BESS System: Quantifying Power and Energy Exchange for Peak Shaving and Self Consumption Applications
Alpízar Castillo, Joel; Vega Garita, Víctor; Narayan, Nishant; Ramírez Elizondo, Laura (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 ... -
Physical integration of a photovoltaic-battery system: A thermal analysis
Vega Garita, Víctor; Ramírez Elizondo, Laura; Bauer, Pavol (2017-12-15)Solar-battery systems are still expensive, bulky, and space consuming. To tackle these issues, we propose a novel device that combines all the components of a solar-battery system in one device. This device might help ... -
Physical Integration of PV-Battery System: Advantages, Challenges, and Thermal Model
Vega Garita, Víctor; Harsarapama, Anindio Prabu; Ramírez Elizondo, Laura; Bauer, Pavol (2016-04-04)We present a novel approach to physically integrate a PV module, dc/dc converter, dc/ac microinverter and a battery pack. The main advantages and challenges to realize this integration are presented. Since the thermal ... -
PV-Battery Integrated Module as a Solution for Off-Grid Applications in the Developing World
Vega Garita, Víctor; De Lucia, Diego; Narayan, Nishant; Ramírez Elizondo, Laura; Bauer, Pavol (2018-06-03)The coupling of solar panels and energy storage is inevitable and especially pertinent in places with no access to the electricity grid. This combination must be modular, providing the opportunity to scale up the system ... -
Quantifying the benefits of a solar home system-based DC microgrid for rural electrification
Narayan, Nishant; Chamseddine, Ali; Vega Garita, Víctor; Qin, Zian; Popovic Gerber, Jelena; Bauer, Pavol; Zeman, Miroslav (2019)Off-grid solar home systems (SHSs) currently constitute a major source of providing basic electricity needs in un(der)-electrified regions of the world, with around 73 million households having benefited from off-grid solar ... -
Review of residential PV-storage architectures
Vega Garita, Víctor; Ramírez Elizondo, Laura; Chandra Mouli, Gautham Ram; Bauer, Pavol (2016)This paper focuses on the most common PV-storage architectures that are designed for residential applications and that incorporate storage devices like batteries, hydrogen systems, supercapacitors, and flywheels. The main ... -
Selecting a suitable battery technology for the photovoltaic battery integrated module
Vega Garita, Víctor; Ali, Hanif; Narayan, Nishant; Ramírez Elizondo, Laura; Bauer, Pavol (2019-10-31)The use of batteries is indispensable in stand-alone photovoltaic (PV) systems, and the physical integration of a battery pack and a PV panel in one device enables this concept while easing the installation and system ... -
Síntesis de CeO2: propiedades del sol-gel y caracterización de las nanopartículas obtenidas
Vega Garita, Víctor; Matamoros Quesada, Josué; Vega Baudrit, José Roberto (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, ... -
Testing a PV-battery Integrated Module Prototype
Vega Garita, Víctor; Garg, Shiwankar; Narayan, Nishant; Ramírez Elizondo, Laura; Bauer, Pavol (2018-06-10)The fluctuating nature of solar power generation makes the coupling of energy storage and solar energy inevitable. This paper explores the integration of all the typical components of a PV-battery system in one single ...