Desert applications of PV modules

Herrmann, Jan; Lorenz, Timo; Slamová, Karolina; Klimm, Elisabeth; Koehl, Michael; Weiß, Karl-Anders

doi:10.1109/pvsc.2014.6925328

Cited by 12 publications

(5 citation statements)

References 8 publications

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“…This would check with a typical dust deposition level of the order of 1 g/m 2 as indicated in several studies of percentage transmission spectra of the cover substrate (glass) with the varying levels of dust accumulation. [11,30,31]. The effect of soiling on performance ratio does not show a particular trend in Table 1, however, the largest value is at the reference conditions (20.02.2019), when the panels' temperatures are lower, (because PR depends on the panel's temperature).…”

Section: Effect Of Dust Accumulationmentioning

confidence: 89%

Surface Dust and Aerosol Effects on the Performance of Grid-Connected Photovoltaic Systems

Ρουμπακιάς

Stamatelos

2020

Sustainability

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A large number of grid-connected Photovoltaic parks of different scales have been operating worldwide for more than two decades. Systems’ performance varies with time, and an important factor that influences PV performance is dust and ambient aerosols. Dust accumulation has significant effects depending the region, and—on the other hand—understanding the role of absorption or scattering in particular wavelengths from aerosols is a challenging task. This paper focuses on performance analysis of a grid-connected PV system in Central Greece, aiming to study these effects. The methodology of analysis follows three directions, namely, PR computations, use of mathematical model’s prediction as reference value, and normalized efficiency calculation. These metrics are correlated with the levels of dust accumulation on PV panels’ surfaces and the ambient aerosol mass concentration. The results show that only heavily soiled surfaces have significant impact on PV performance and, particularly, a decrease of 5.6%. On the other hand, light or medium soiling have negligible impact on PV performance. On the other hand, the impact of ambient aerosol concentration levels on PV efficiency is more complex and requires further study. Aerosol scattering of different wavelengths can possibly affect PV efficiency, however, this fact may be related to the specific spectral response of PV cells.

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Section: Effect Of Dust Accumulationmentioning

confidence: 89%

Surface Dust and Aerosol Effects on the Performance of Grid-Connected Photovoltaic Systems

Ρουμπακιάς

Stamatelos

2020

Sustainability

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“…Modelling soiling further includes approaches, such as mathematical models, numeric approximations [72], trend analysis with data mining [73] or machine learning methods [74], as well as artificial neural networks [75][76][77]. Maps showing approximations of the regional soiling risks can be generated with Geographical Information Systems [78,79]. Still, further research is necessary to completely cover and understand the multidimensional issue of soiling.…”

Section: Soiling Loadsmentioning

confidence: 99%

Accelerated aging tests vs field performance of PV modules

Weiß

Klimm²,

Kaaya

2022

Prog. Energy

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The market for Photovoltaic systems has experienced an enormous growth worldwide and will further grow over the coming decades. Investments in Photovoltaics became an important financial product with the special feature of very long contract durations. Typically operation of over 20 years is expected, during which generation of electricity and revenues are expected. Due to these long operational times, quality, durability, reliability, and degradation rates become crucial for the investment. PV modules are the dominating components in this regard since they prevail the investment. Accelerated ageing tests are in general used to ensure the quality of photovoltaic components. These tests are partly standardized, for PV mainly by IEC and are used for type approval or safety testing. Accelerated ageing tests are also adapted to specific needs and e g used for Quality Assurance (QA) of manufacturers or Service Life Prediction (SLP) by manufacturers or research institutes. All the efforts are taken to gain knowledge about the behaviour of PV modules in operation and thus the accelerated tests have to be related to normal operation. Since PV is used around the globe, the conditions vary significantly depending on the location of installation. In addition, the installation has severe influence on the operational conditions of PV modules. The papers attempt is to give an overview on the state of the art of accelerated testing and field performance analysis of PV modules with focus on developments over the last five to ten years. Developments are described and the status is analysed regarding the significance of tests including the latest developments and open scientific gaps related to the envisaged correlation of accelerated tests with field performance. The reader is enabled to differenciate between reliability testing and service life prediction. The understanding for a comprehensive approach of reliability testing including field evaluation data is develope

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“…[58][59][60] These outdoor test facilities are located at Isla Gran Canaria, Spain (GC), Mount Zugspitze, Germany (UFS), and Negev Desert, Isreal (NEG). The sites in GC and UFS have been recording data since 2010 while the NEG site started recording from 2012.…”

Section: B Outdoor Studiesmentioning

confidence: 99%

Insights into metastability of photovoltaic materials at the mesoscale through massiveI–Vanalytics

Peshek

Fada

et al. 2016

Journal of Vacuum Science &Amp; Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phen

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The authors demonstrate the feasibility of quantifying cell-level performance heterogeneity from module-level I–V curves by determining conditions of bypass diode turn-on. Analysis of these curves falls outside of typical diode-based models of photovoltaic (PV) performance. The authors show that this approach can leverage statistical and machine learning techniques for broad application to massive datasets, and combine those insights with simulations and laboratory-based experiments to provide useful information into the metastability of the interfaces of a PV cell. The authors find good agreement between the experimentally determined curves and the simulated curves, which guide the variable selection in the massive dataset collected from sites in Cleveland, OH, USA, the Negev Desert, Israel, Isla Gran Canaria, Spain, and Mount Zugspitze, Germany.

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Desert applications of PV modules

Cited by 12 publications

References 8 publications

Surface Dust and Aerosol Effects on the Performance of Grid-Connected Photovoltaic Systems

Surface Dust and Aerosol Effects on the Performance of Grid-Connected Photovoltaic Systems

Accelerated aging tests vs field performance of PV modules

Insights into metastability of photovoltaic materials at the mesoscale through massiveI–Vanalytics

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