English
Related papers

Related papers: Direct and diffuse shading factors modelling for t…

200 papers

Solar photovoltaic (PV) farms represent a major source of global renewable energy generation, yet their true operational efficiency often remains unknown at scale. In this paper, we present a comprehensive, data-driven framework for…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Isaac Corley , Conor Wallace , Sourav Agrawal , Burton Putrah , Jonathan Lwowski

Soiling is the accumulation of dirt in solar panels which leads to a decreasing trend in solar energy yield and may be the cause of vast revenue losses. The effect of soiling can be reduced by washing the panels, which is, however, a…

Signal Processing · Electrical Eng. & Systems 2023-01-31 Alexandros Kalimeris , Ioannis Psarros , Giorgos Giannopoulos , Manolis Terrovitis , George Papastefanatos , Gregory Kotsis

Nowadays common practice in deploying photovoltaic distributed generations (PVDGs) is customer-based installation in the distribution network. Increasing level of PVDG applications and expedite approval by utilities have raised concern…

Optimization and Control · Mathematics 2017-12-13 Hamidreza Sadeghian , Zhifang Wang

Active power curtailment of photovoltaic (PV) generation is commonly exercised to mitigate over-voltage issues in power distribution networks. However, fairness concerns arise as certain PV plants may experience more significant…

Systems and Control · Electrical Eng. & Systems 2024-04-02 Rahul K. Gupta , Daniel K. Molzahn

Using solar power in the process industry can reduce greenhouse gas emissions and make the production process more sustainable. However, the intermittent nature of solar power renders its usage challenging. Building a model to predict…

Systems and Control · Electrical Eng. & Systems 2022-05-17 Yu Yang , Jia Mao , Richard Nguyen , Annas Tohmeh , Hen-Geul Yeh

This paper presents and evaluates the performance of an optimal scheduling algorithm that selects the on/off combinations and timing of a finite set of dynamic electric loads on the basis of short term predictions of the power delivery from…

Systems and Control · Computer Science 2016-07-27 Abdulelah H Habib , Zachary K Pecena , Vahid R Disfani , Jan Kleissl , Raymond A. de Callafon

In response to the increasing global demand for food, feed, fiber, and fuel, digital agriculture is rapidly evolving to meet these demands while reducing environmental impact. This evolution involves incorporating data science, machine…

Computers and Society · Computer Science 2023-12-07 Ribana Roscher , Lukas Roth , Cyrill Stachniss , Achim Walter

Global and regional climate model projections are useful for gauging future patterns of climate variables, including solar radiation, but data from these models is often too coarse to assess local impacts. Within the context of solar…

Applications · Statistics 2024-05-21 Maggie Bailey , Doug Nychka , Manajit Sengupta , Jaemo Yang , Soutir Bandyopadhyay

Photovoltaic (PV) systems have received much attention in recent years due to their ability of efficiently converting solar power into electricity, which offers important benefits to the environment. PV systems in regions with high solar…

Physics and Society · Physics 2018-10-17 Sri Rama Phanindra Chitturi , Ekanki Sharma , Wilfried Elmenreich

The variable nature of the solar generation and the inherent uncertainty in solar generation forecasts are two challenging issues for utility grids, especially as the distribution grid integrated solar generation proliferates. This paper…

Systems and Control · Computer Science 2017-03-02 Alireza Majzoobi , Amin Khodaei , Shay Bahramirad

Future food security is a major concern of the 21st century with the growing global population and climate changes. In addressing these challenges, protected cropping ensures food production year-round and increases crop production per land…

Computational Engineering, Finance, and Science · Computer Science 2024-01-26 Namal Jayasuriya , Yi Guo , Wen Hu , Oula Ghannoum

Models of organic bulk heterojunction photovoltaics which include the effect of spatially varying composition of donor/acceptor materials are developed and analyzed. Analytic expressions for the current-voltage relation in simplified cases…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Paul M. Haney

Remarkable penetration of renewable energy in electric networks, despite its valuable opportunities, such as power loss reduction and loadability improvements, has raised concerns for system operators. Such huge penetration can lead to a…

Applied Physics · Physics 2017-06-12 Hamidreza Sadeghian , Mir Hadi Athari , Zhifang Wang

Photovoltaic (PV) systems depend on irradiance, ambient temperature and module temperature. A solar eclipse causes significant changes in these parameters, thereby impacting PV generation profile, performance, and power quality of larger…

Signal Processing · Electrical Eng. & Systems 2019-05-29 Aditya Sundararajan , Temitayo O. Olowu , Longfei Wei , Shahinur Rahman , Arif I. Sarwat

As the world population increases and arable land decreases, it becomes vital to improve the productivity of the agricultural land available. Given the weather and soil properties, farmers need to take critical decisions such as which seed…

Computer Vision and Pattern Recognition · Computer Science 2017-10-26 Gunjan Sehgal , Bindu Gupta , Kaushal Paneri , Karamjit Singh , Geetika Sharma , Gautam Shroff

The incoherence of sunlight has long been suspected to have an impact on solar cell energy conversion efficiency, although the extent of this is unclear. Existing computational methods used to optimize solar cell efficiency under incoherent…

Optics · Physics 2014-01-16 Aline Herman , Michael Sarrazin , Olivier Deparis

Large scale monitoring systems, enabled by the emergence of networked embedded sensing devices, offer the opportunity of fine grained online spatio-temporal collection, communication and analysis of physical parameters. Various applications…

Signal Processing · Electrical Eng. & Systems 2019-06-07 Grigore Stamatescu , Cristian Dragana , Iulia Stamatescu , Loretta Ichim , Dan Popescu

Understanding the suitability of agricultural land for applying specific management practices is of great importance for sustainable and resilient agriculture against climate change. Recent developments in the field of causal machine…

Machine Learning · Computer Science 2022-04-28 Georgios Giannarakis , Vasileios Sitokonstantinou , Roxanne Suzette Lorilla , Charalampos Kontoes

Shading reduces the power output of a photovoltaic (PV) system. The design engineering of PV systems requires modeling and evaluating shading losses. Some PV systems are affected by complex shading scenes whose resulting PV energy losses…

Other Computer Science · Computer Science 2014-10-22 Jesus Robledo , Jonathan Leloux , Eduardo Lorenzo

Growing mixtures of annual arable crop species or genotypes is a promising way to improve crop production without increasing agricultural inputs. To design optimal crop mixtures, choices of species, genotypes, sowing proportion, plant…