Explanipedia

Integrating lithium-ion and thermal batteries with heat pumps for enhanced photovoltaic self-consumption Open

Alicia López-Ceballos, Carlos del Cañizo, Ignacio Antón, Alejandro Datas · 2025

cpvlib: A comprehensive open-source tool for modeling CPV systems Open

Rubén Núñez, M. Moreno, Rebeca Herrero, Stephen Askins, Ignacio Antón , et al. · 2024

On the validation of a modelling tool for Vehicle Integrated PhotoVoltaics: Reflected irradiance in urban environments Open

Javier Macías, Rebeca Herrero, Luis San José, Rubén Núñez, Ignacio Antón · 2024

Performance evaluation of MPPT algorithm of VIPV systems in realistic urban routes using image processing Open

Luis San José, R. Moruno, Rubén Núñez, Rebeca Herrero, Javier Macías , et al. · 2024

The assessment of the power that Vehicle Integrated Photovoltaic (VIPV) systems produce during the vehicle displacement in urban environments requires to know the effect of the dynamic shadowing over the photovoltaic (PV) surface and the r…

Relative angular response characterization in VIPV Open

F. Martín, R. Moruno, Luis San José, Guido Vallerotto, J.M. Redondo , et al. · 2024

Understanding the impact of sky diffuse irradiance on curved photovoltaic modules Open

R. Moruno, Luis San José, Ferran Martı́n, Rubén Núñez, Rafael Herrero Alonso , et al. · 2024

Modules utilized in vehicle-integrated photovoltaics (VIPV) have particularities that make them differ from standard PV modules. These particularities are related to their curvature and operating conditions (changing locations, orientation…

On the optimization of the interconnection of photovoltaic modules integrated in vehicles Open

Javier Macías, Rebeca Herrero, Luis San José, Rubén Núñez, Ignacio Antón · 2024

The design of photovoltaic modules for vehicle-integrated photovoltaics (VIPVs) must consider specific operating conditions like partial shading. Module cell interconnection topology must demonstrate resilience to such conditions to maximi…

Fabrication of high-performance lens arrays for micro-concentrator photovoltaics using ultraviolet imprinting Open

Norman Jost, Alejandra Jacobo-Martín, Guido Vallerotto, Jaime J. Hernández, A. Garcia-Sanchez , et al. · 2024

Micro-concentrator photovoltaics (micro-CPV) is a cutting-edge CPV approach aimed at increasing the efficiency and reducing the cost and carbon footprint of solar electricity by downscaling concentrator solar cells and optics. The reduced …

Integrating Lithium-Ion and Thermal Batteries with Heat Pumps for Enhanced Photovoltaic Self-Consumption Open

Alicia López-Ceballos, Carlos del Cañizo, Ignacio Antón, Alejandro Datas · 2024

Pilot output of a hybrid micro-CPV solar panels with integrated micro-tracking and diffuse capture Open

Stephen Askins, Guido Vallerotto, Luis San José, César Domínguez, Ignacio Antón · 2023

Dataset of power output of four final generation Insolight/Hiperion modules on the rooftop of the Instituto de Energía Solar - Universidad Politécnica de Madrid. These are micro CPV modules using integrated planar tracking and hybrid diffu…

Pilot output of a hybrid micro-CPV solar panels with integrated micro-tracking and diffuse capture Open

Stephen Askins, Guido Vallerotto, Luis San José, César Domínguez, Ignacio Antón · 2023

Dataset of power output of four final generation Insolight/Hiperion modules on the rooftop of the Instituto de Energía Solar - Universidad Politécnica de Madrid. These are micro CPV modules using integrated planar tracking and hybrid diff…

Estimation of solar resource for vehicle-integrated photovoltaics in urban environments using image-based shade detection Open

Rubén Núñez, Álvaro Muñoz, Luis San José, Javier Macías, Rebeca Herrero , et al. · 2023

Vehicle-Integrated Photovoltaics (VIPV) in urban environments face challenges in accurately estimating solar resource due to dynamic shading effects. This research presents a methodology for evaluating VIPV solar resource by analyzing imag…

Integrated Micro‐Scale Concentrating Photovoltaics: A Scalable Path Toward High‐Efficiency, Low‐Cost Solar Power Open

Norman Jost, Tian Gu, Juejun Hu, César Domínguez, Ignacio Antón · 2023

The global energy market is seeing increases in the electricity demand of a couple of percentage points annually. The photovoltaic (PV) industry is also growing rapidly every year. One of the PV technologies is concentrator photovoltaics (…

A Horizontal Single-Axis Tracker Mock-Up to Quickly Assess the Influence of Geometrical Factors on Bifacial Energy Gain Open

César Domínguez, J. Marcos, Sandra Ures, Stephen Askins, Ignacio Antón · 2023

Bifacial photovoltaic modules on horizontal single-axis trackers have become the mainstream type of utility-scale solar power plant. Their optimal design involves many trade-offs between different geometric properties, which are difficult …

Collimated solar simulator for curved PV modules characterization Open

Guido Vallerotto, Francisco Martín, Javier Macías, Rebeca Herrero, Luis San José , et al. · 2023

The vehicle integrated photovoltaic (VIPV) technology, which consists in integrating PV solar panels in the surfaces of electric vehicles, is a promising technology to increase car autonomy. Free-form curved PV surfaces are demanded to mee…

Humidity control in planar micro-tracking CPV modules by means of passive solutions Open

Rubén Núñez, Stephen Askins, Laetitia Anglade, Florian Gerlich, Ignacio Antón , et al. · 2023

CPV modules mostly contain air between lenses and cells that due to the water vapor content can end up condensing, being a potential problem not only of reliability of the interior components but also affects the transmissibility of the op…

On-site characterization of misalignments between concentrator photovoltaic modules installed on trackers Open

Luis San José, Guido Vallerotto, Rebeca Herrero, Rubén Núñez, Ignacio Antón · 2022

This paper deals with the characterization of misalignments between CPV modules installed on tracker structures, for which a misalignment measurement method (suitable for inspecting CPV plants) is proposed. The method consists of acquiring…

Demonstration of molded glass primary optics for high-efficiency micro-concentrator photovoltaics Open

Norman Jost, Guido Vallerotto, Alessandro Tripoli, Stephen Askins, César Domínguez , et al. · 2022

Micro-concentrator photovoltaics (micro-CPV) is a branch of the CPV technology where the size of the solar cell is reduced below the millimeter range to permit novel manufacturing methods for cost reductions and maintaining high efficienci…

Characterization method and analysis of misalignments in micro-concentrator photovoltaic modules Open

Luis San José, Guido Vallerotto, Rebeca Herrero, Ignacio Antón · 2022

Micro-scale concentrator photovoltaics (micro-CPV) is an emerging trend for the development of high-efficiency, low-cost photovoltaic systems. The miniaturization of optics and cells offers advantages in terms of performance and enables di…

Array of micro multijunction solar cells interconnected by conductive inks Open

Norman Jost, Stephen Askins, R. W. Dixon, Mathieu Ackermann, César Domínguez , et al. · 2022

Micro-concentrator photovoltaics (micro-CPV) consists of the reduction in size of the components of the conventional concentrator photovoltaic (CPV) technology, attaining equally high efficiencies and reducing material costs and manufactur…

HIPERION: Scale-up of hybrid planar micro-tracking solar panels for rooftop compatible CPV Open

Stephen Askins, César Domínguez, Gaël Nardin, Mathieu Ackermann, Delphine Petri , et al. · 2022

Within the EU-funded project HIPERION, significant progress has been made on the Insolight solar panel: a high-efficiency rooftop compatible micro-CPV device with integrated planar microtracking and diffuse collection via additional low-co…

Optimization of achromatic doublet on glass (ADG) Fresnel lens for different solar cell technologies Open

Guido Vallerotto, Norman Jost, Marta Victoria, Stephen Askins, César Domínguez , et al. · 2022

Silicone on glass (SoG) Fresnel lenses are the reference technology in concentrator photovoltaics (CPV) because of their simplicity, cheapness, and proven long-term reliability. However, they are strongly affected by the chromatic aberrati…

Humidity characterization and control in planar micro-tracking CPV modules Open

Rubén Núñez, Stephen Askins, Arash Soofi, Laetitia Anglade, Florian Gerlich , et al. · 2022

To better understand the process of condensation formation in CPV modules, an experimental setup containing two Insolight mockup modules has been prepared to firstly, monitor the relevant variables involved in the internal dew point, namel…

Solar simulator for indoor characterization of hybrid CPV/flat-plate modules Open

Shilpa Bindu, Arash Soofi, Stephen Askins, Guido Vallerotto, César Domínguez , et al. · 2022

The hybrid modules developed by a Swiss startup, Insolight, consist of a micro-concentrator photovoltaic (micro- \nCPV) sub-module mounted on a non-concentrator Si backplane. Embedding the micro-CPV cells on top of the flat plate \nmodule …

CPV standardization 2021 – Maintenance and stability Open

Kenji Araki, Carlos Algora, David Kresse, Gerald Siefer, Gianluca Timò , et al. · 2022

The rapid and substantial decline of the cell-cost, CPV, relied on cell-saving and became less valuable. Many players and systems got off the stage as a result. Also, less and fewer new proposals in the CPV standardization. We decided to c…

Misalignments characterization in micro-CPV modules with deep learning compared with electrical performance parameters Open

Luis San José, Guido Vallerotto, Rebeca Herrero, Ignacio Antón · 2022

A method for misalignments characterization through image acquisition has been adapted and applied to micro-CPV. For this purpose, a measurement set-up and an image processing are proposed and explained. Two different image processing are …

Optimal Strategy for the Improvement of the Overall Performance of Dual-Axis Solar Tracking Systems Open

Diego A. Flores-Hernández, Alberto Luviano‐Juárez, Norma Lozada‐Castillo, Octavio Gutiérrez-Frías, César Domínguez , et al. · 2021

Solar Tracking Systems are useful to increase the generation efficiency of photovoltaic technology, mainly for concentration technology, where dual-axis is required on account of the high accurate alignment to the Sun. Even when there exis…

Roll-to-roll nanoimprint lithography of high efficiency Fresnel lenses for micro-concentrator photovoltaics Open

Alejandra Jacobo-Martín, Norman Jost, Jaime J. Hernández, César Domínguez, Guido Vallerotto , et al. · 2021

Roll-to-roll nanoimprint lithography (R2R-NIL) is an enabling technology for the low-cost mass production of high-quality micro- and nano-sized optical elements. Particularly, the fabrication of Fresnel lenses using R2R-NIL is a promising …

Novel Interconnection Method for Micro-CPV Solar Cells Open

Norman Jost, Stephen Askins, R. W. Dixon, Mathieu Ackermann, César Domínguez , et al. · 2021

Micro-concentrator photovoltaics (micro-CPV) consists of the reduction in size of the components of the conventional concentrator photovoltaic (CPV) technology, attaining equally high efficiencies and reducing material costs and manufactur…

Comparison of achromatic doublet on glass Fresnel lenses for concentrator photovoltaics Open

Guido Vallerotto, Marta Victoria, Norman Jost, Stephen Askins, César Domínguez , et al. · 2021

Silicone on glass (SoG) Fresnel lenses are the reference technology in concentrator photovoltaics (CPV) because of their simplicity and low cost. Nevertheless, their performance is strongly limited by chromatic aberration. As an alternativ…

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