Alessandro Francesco Aldo Virtuani

Publications associées (36)

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Accurate color characterization of solar photovoltaic modules for building integration

Christophe Ballif, Antonin Faes, Alessandro Francesco Aldo Virtuani, Jordi Escarre Palou, Alejandro Borja Block

Accurate and reproducible color characterization is essential for colored building integrated photovoltaic products, both for manufacturing quality control and assessing long-term color stability. However, existing characterization techniques struggle to a ...

Pergamon-Elsevier Science Ltd2023

A 3D indicator for guiding AI applications in the energy sector

Christophe Ballif, Alessandro Francesco Aldo Virtuani, Nicolas Würsch, Hugo James André Quest, Fabian Heymann, Laure-Emmanuelle Perret Aebi, Christian Rod, Marine Dominique Cauz

The utilisation of Artificial Intelligence (AI) applications in the energy sector is gaining momentum, with increasingly intensive search for suitable, high-quality and trustworthy solutions that displayed promising results in research. The growing interes ...

2022

Operating Temperatures and Diurnal Temperature Variations of Modules Installed in Open-Rack and Typical BIPV Configurations

Christophe Ballif, Alessandro Francesco Aldo Virtuani, Andrew Wayne Fairbrother

Because of building skin integration with restricted or reduced rear-side ventilation, elevated operating temperatures are expected in building-integrated photovoltaics (BIPV) modules and systems, which may impact their long performance and reliability. Th ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2022

Corrosion testing of solar cells: Wear-out degradation behavior

Christophe Ballif, Alessandro Francesco Aldo Virtuani, Luca Gnocchi, Andrew Wayne Fairbrother

Corrosion is one of the main end-of-life degradation and failure modes in photovoltaic (PV) modules. However, it is a gradual process and can take many years to become a major risk factor because of the slow accumulation of water and acetic acid (from enca ...

ELSEVIER2022

The Front and Rear Side Contributions to the Potential Induced Degradation of Bifacial Silicon Heterojunction Solar Modules

Christophe Ballif, Alessandro Francesco Aldo Virtuani, Olatz Arriaga Arruti, Luca Gnocchi, Fabiana Lisco

38th European Photovoltaic Solar Energy Conference and Exhibition; 573-577 Recent studies showed that silicon heterojunction (SHJ) solar cells may be prone to potential induced degradation (PID), when encapsulated with a low volume resistivity ethylene vin ...

WIP2021

Long-Term Performance and Shade Detection in Building Integrated Photovoltaic Systems

Christophe Ballif, Alessandro Francesco Aldo Virtuani, Andrew Wayne Fairbrother

Building integrated photovoltaics (BIPV) operate in a unique environment compared with field-mounted systems and may experience elevated temperatures and recurrent or persistent shading. These stresses are expected to accelerate degradation, but there are ...

WILEY-V C H VERLAG GMBH2021

Potential Induced Degradation Mechanism in Rear-Emitter Bifacial Silicon Heterojunction Solar Cells Encapsulated in Different Module Structures

Christophe Ballif, Quentin Thomas Jeangros, Alessandro Francesco Aldo Virtuani, Olatz Arriaga Arruti, Luca Gnocchi

Recent studies showed that silicon heterojunction (SHJ) solar cells can be prone to potential induced degradation (PID) when encapsulated with ethylene vinyl acetate (EVA). Here, to gain understanding in the role of EVA, we perform PID test in humid condit ...

IEEE2021

A "combi-encapsulant" for enhanced performance of glass-free lightweight crystalline silicon solar PV modules

Christophe Ballif, Alessandro Francesco Aldo Virtuani, Fabiana Lisco

Lightweight crystalline silicon (c-Si) PV modules with a weight of 5kg/m(2), by substituting the typical front glass with a thin polymer sheet and the standard back sheet by a composite sandwich structure are presented here. With this work, we propose the ...

IEEE2021

Monitoring the Operating Temperatures of Modules in Open-Rack and Typical BIPV Configurations

Christophe Ballif, Alessandro Francesco Aldo Virtuani, Andrew Wayne Fairbrother, Ebrar Özkalay

Elevated operating temperatures are expected in BIPV systems due to restricted or reduced rear-side ventilation, which impacts their performance and reliability. This work reports operating temperatures and diurnal (day-night) temperature variations of the ...

IEEE2021

Innovative Renewable Technology Integration for Nearly Zero-Energy Buildings within the Re-COGNITION Project

Alessandro Francesco Aldo Virtuani

With the 2010/31/EU directive, all new buildings shall be nearly zero-energy buildings (nZEB) from 2020 onward, with the aim of strongly reducing the energy consumption related to the building sector. To achieve this goal, it is not sufficient to focus on ...

MDPI2021

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