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Grzebyk, Daniel (author), Alcañiz Moya, A. (author), Donker, Jaap (author), Zeman, M. (author), Ziar, H. (author), Isabella, O. (author)Due to the inherent uncertainty in photovoltaic (PV) energy generation, an accurate power forecasting is essential to ensure a reliable operation of PV systems and a safe electric grid. Machine learning (ML) techniques have gained popularity on the development of this task due to its increased accuracy. Most literature, however, focuses only...journal article 2023
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Martinez Lopez, V.A. (author), Ziar, H. (author), Haverkort, J.W. (author), Zeman, M. (author), Isabella, O. (author)This review provides a comprehensive overview of the dynamics of low-temperature water electrolyzers and their influence on coupling the three major technologies, alkaline, Proton Exchange Membrane (PEM) and, Anion Exchange Membrane (AEM) with photovoltaic (PV) systems. Hydrogen technology is experiencing considerable interest as a way to...review 2023
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Aghaei, Mohammadreza (author), Korevaar, Marc (author), Babal, Pavel (author), Ziar, H. (author)In this chapter, we introduce the physic principle and applications of bifacial PV technology. We present different bifacial PV cell and module technologies as well as investigate the advantages of using bifacial PV technology in the field. We describe the measurement and modeling of Albedo, which is one of the important factors for the energy...book chapter 2022
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Katsikogiannis, Odysseas Alexandros (author), Ziar, H. (author), Isabella, O. (author)To safeguard future renewable energy and food supply the use of agrophotovoltaic (APV) systems was investigated, which enable simultaneous production under the same piece of land. As conventional photovoltaic (PV) array topologies lead to unfavourable conditions for crop growth, the application of APV is limited to areas with high solar...journal article 2022
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Ferri, Carlotta (author), Ziar, H. (author), Nguyen, T.T. (author), van Lint, J.W.C. (author), Zeman, M. (author), Isabella, O. (author)After developing the methodology, we applied it to the case of the Netherlands highways. We show that the average irradiation on the Dutch highway network is around 880 kWh/m2/y, 35% less than the potential of an optimally tilted conventional PV system in the south of the Netherlands. Covering the entire 1600 km of the Dutch highways network...journal article 2022
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Ziar, H. (author)Incoming radiation energy illuminating a solar cell contains a certain amount of entropy, which does not contribute to output electrical work. Entropy has a different spectral distribution from the internal energy of light and consequently affects PV cell performance. Here in this work, we investigate the influence of entropy content of...journal article 2022
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Pouran, Hamid (author), Padilha Campos Lopes, Mariana (author), Ziar, H. (author), Alves Castelo Branco, David (author), Sheng, Yong (author)Vietnam's promising economic growth has led to energy shortage, growing coal imports, and increasing carbon emissions. The country's electricity demand annual growth rate has been 12% in recent years and is projected to be 8–9% by 2030. In Vietnam 40% of the land is dedicated to agriculture and thousands of inland water bodies are used for...journal article 2022
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Martinez Lopez, V.A. (author), Žindžiūtė, U. (author), Ziar, H. (author), Zeman, M. (author), Isabella, O. (author)Irradiance variability is one of the main challenges for using photovoltaic energy. This variability affects the operation of maximum power point trackers (MPPT) causing energy losses. The logic of the Perturb-and-Observe MPPT algorithm is particularly sensitive to quick irradiance changes. We quantified the existing relation between irradiance...journal article 2022
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Alcañiz Moya, A. (author), Lindfors, Anders V. (author), Zeman, M. (author), Ziar, H. (author), Isabella, O. (author)Machine learning is arising as a major solution for the photovoltaic (PV) power prediction. Despite the abundant literature, the effect of climate on yield predictions using machine learning is unknown. This work aims to find climatic trends by predicting the power of 48 PV systems around the world, equally divided into four climates. An...journal article 2022
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Vogt, M.R. (author), Ruiz Tobon, C.M. (author), Alcañiz Moya, A. (author), Procel Moya, P.A. (author), Blom, Y. (author), Nour El Din, A. (author), Stark, T. (author), Wang, Z. (author), Goma, E. Garcia (author), Etxebarria, J. G. (author), Ziar, H. (author), Zeman, M. (author), Santbergen, R. (author), Isabella, O. (author)We introduce a novel simulation tool capable of calculating the energy yield of a PV system based on its fundamental material properties and using self-consistent models. Thus, our simulation model can operate without measurements of a PV device. It combines wave and ray optics and a dedicated semiconductor simulation to model the...journal article 2022
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Alcañiz Moya, A. (author), Nikam, Maitheli M. (author), Snow, Yitzi (author), Isabella, O. (author), Ziar, H. (author)Monitoring residential scale photovoltaic (PV) systems is important for maximizing the energy yield and detecting malfunctions. Analytical-based approaches are not reliable in these systems because of the lack of on-site measurements and detailed PV system specifications. In this paper, a collaborative approach is proposed which does not...journal article 2022
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Alcañiz Moya, A. (author), Grzebyk, D. (author), Ziar, H. (author), Isabella, O. (author)The share of solar energy in the electricity mix increases year after year. Knowing the production of photovoltaic (PV) power at each instant of time is crucial for its integration into the grid. However, due to meteorological phenomena, PV power output can be uncertain and continuously varying, which complicates yield prediction. In recent...journal article 2022
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de Jong, Dora (author), Ziar, H. (author)The surface of the vessels, as moving tiny islands, can be utilized to implement vehicle-integrated photovoltaics (VIPV). Herein, a methodology is reported to calculate the power generated by a fleet of urban vessels as a function of time. Then, the result is shown for the largest European shipping fleet, using sailing data of 2746 Dutch...journal article 2022
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Zhou, Y. (author), Verkou, M.H. (author), Zeman, M. (author), Ziar, H. (author), Isabella, O. (author)Photovoltaic (PV) technology is the most promising renewable energy source to be integrated on urban building surfaces. Modeling and simulating urban PV systems pose more challenges than the conventional ones installed in open field due to rich urban morphology. Herein, a comprehensive workflow to estimate urban solar PV potential is...journal article 2021
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Ziar, H. (author)According to International Energy Agency, solar photovoltaic deployment levels were globally high in 2020 in the midst of 90% grow in renewable electricity demand5. Photovoltaic (PV) can directly convert sunlight to electricity. From photovoltaic point of view, as can be seen Figure 1, there are four main factors influencing the output PV energy...journal article 2021
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Pouran, Hamid (author), Campos Lopes, Mariana Padilha (author), Ziar, H. (author), Castelo Branco, David Alves (author), Sheng, Yong (author)Key Messages<br/>• Vietnam’s electricity demand annual growth has been more than 12% in recent years, leading to rising coal imports.<br/>• Vietnam has been transformed from a food-insecure nation to a world-leading food exporter.<br/>• Vietnam has thousands of water bodies, used for agriculture/aquaculture offering excellent surfaces for...conference paper 2021
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Verkou, M.H. (author), Ahmad, Z. (author), Ziar, H. (author), Isabella, O. (author), Zeman, M. (author)Urban areas rely on the wide implementation of X-Integrated Photovoltaic (X-IPV) systems to provide green electricity for the sustainable electrification. In this research, a modelling framework to accurately predicting their output energy yield and asses their impact on the low voltage distribution grid has been developed. This tool can compute...conference paper 2021
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Verkou, M.H. (author), Ziar, H. (author), Isabella, O. (author), Zeman, M. (author)The increasing development of photovoltaic (PV) technologies allows for more feasible PV products, that can split the fixed big electrical infrastructure into smaller mobile systems, suitable for future smart buildings. This research, investigates opportunities for interior PV (IPV) products, that harvest indoor ambient light. The outcome is a...conference paper 2020
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Ziar, H. (author), Prudon, Bjorn (author), Lin, Fen Yu (author), Stark, Tim (author), Teurlincx, Sven (author), Goma, Elias Garcia (author), Alavez, Ignacio Narvaez (author), Santbergen, R. (author), Isabella, O. (author)Photovoltaic (PV) technology has the potential to be integrated on many surfaces in various environments, even on water. Modeling, design, and realization of a floating PV system have more challenges than conventional rooftop or freestanding PV system. In this work, we introduce two innovative concepts for floating bifacial PV systems,...journal article 2020
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Ziar, H. (author), Manganiello, P. (author), Isabella, O. (author), Zeman, M. (author)At present, electrification and digitalization are two significant trends in the energy sector. Large-scale introduction of variable renewable energy sources, energy storage and power-electronics components, all based on direct current (DC), is fundamentally changing the electrical energy system of today that is based on alternating current ...review 2020
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