Benchmarking of solar irradiance nowcast performance derived from all-sky imagers
Fluctuations of the incoming solar irradiance impact the power generation from photovoltaic
and concentrating solar thermal power plants. Accurate solar nowcasting becomes …
and concentrating solar thermal power plants. Accurate solar nowcasting becomes …
Validation of an all‐sky imager–based nowcasting system for industrial PV plants
Because of the cloud‐induced variability of the solar resource, the growing contributions of
photovoltaic plants to the overall power generation challenges the stability of electricity …
photovoltaic plants to the overall power generation challenges the stability of electricity …
Mismatching and partial shading identification in photovoltaic arrays by an artificial neural network ensemble
M Piliougine, G Spagnuolo - Solar Energy, 2022 - Elsevier
Photovoltaic arrays may suffer from a number of temporary and permanent faults. Partial
shading and soiling belong to the former group, while cell cracking and delamination fall …
shading and soiling belong to the former group, while cell cracking and delamination fall …
Cloud height and tracking accuracy of three all sky imager systems for individual clouds
Solar irradiance nowcasts can be derived with sky images from all sky imagers (ASI) by
detecting and analyzing transient clouds, which are the main contributor of intra-hour solar …
detecting and analyzing transient clouds, which are the main contributor of intra-hour solar …
[HTML][HTML] Model-based analysis of shading losses in ground-mounted photovoltaic power plants
N Varga, MJ Mayer - Solar energy, 2021 - Elsevier
Ground-mounted PV plants with multiple parallel mounting structure rows became the most
common type of PV systems, where the shading of the adjacent rows results in significant …
common type of PV systems, where the shading of the adjacent rows results in significant …
Validation of a closed-loop aim point management system at the Jülich solar tower
L Oberkirsch, D Zanger, B Hoffschmidt - Solar Energy, 2023 - Elsevier
Due to modeling errors and disturbances caused by clouds, Solar Power Tower (SPT) plants
consider high safety margins during operation leading to a significant loss of revenues. This …
consider high safety margins during operation leading to a significant loss of revenues. This …
GPU-based aim point optimization for solar tower power plants
L Oberkirsch, DM Quinto, P Schwarzbözl… - Solar Energy, 2021 - Elsevier
In solar tower power plants, aim point optimization is suitable to find aim point distributions
resulting in intercept powers close to the theoretical maximum. However, the application in …
resulting in intercept powers close to the theoretical maximum. However, the application in …
Static optimal control: Real-time optimization within closed-loop aim point control for solar power towers
L Oberkirsch, DAV Zanger, DM Quinto, P Schwarzbözl… - Solar Energy, 2023 - Elsevier
Many aim point optimization techniques exist to control Solar Power Towers (SPTs).
However, SPTs exhibit optical losses that cannot be exactly modeled. Moreover, cloud …
However, SPTs exhibit optical losses that cannot be exactly modeled. Moreover, cloud …
Benchmarking three low-cost, low-maintenance cloud height measurement systems and ECMWF cloud heights against a ceilometer
Cloud height information is crucial for various applications. This includes solar nowcasting
systems. Multiple methods to obtain the altitudes of clouds are available. In this paper, cloud …
systems. Multiple methods to obtain the altitudes of clouds are available. In this paper, cloud …
Cloud motion estimation from small-scale irradiance sensor networks: General analysis and proposal of a new method
MJ Espinosa-Gavira, A Agüera-Pérez… - Solar Energy, 2020 - Elsevier
Small-scale PV generation is particularly affected by the irradiance variability produced by
cloud shadows. Accurate predictions of the clouds passing over the PV field are thus …
cloud shadows. Accurate predictions of the clouds passing over the PV field are thus …