Proceedings Article10.1109/PVSC.2015.7355711
Effects of photovoltaic module soiling on glass surface resistance and potential-induced degradation
Peter Hacke,Patrick D. Burton,Alex Hendrickson,Sergiu Spataru,Stephen Glick,Kent Terwilliger +5 more
- 14 Jun 2015
- pp 1-4
29
TL;DR: The sheet resistance of three soil types (Arizona road dust, soot, and sea salt) on glass were measured by the transmission line method as a function of relative humidity (RH) between 39% and 95% at 60°C as mentioned in this paper.
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Abstract: The sheet resistance of three soil types (Arizona road dust, soot, and sea salt) on glass were measured by the transmission line method as a function of relative humidity (RH) between 39% and 95% at 60°C. Sea salt yielded a 3.5 orders of magnitude decrease in resistance on the glass surface when the RH was increased over this RH range. Arizona road dust showed reduced sheet resistance at lower RH, but with less humidity sensitivity over the range tested. The soot sample did not show significant resistivity change compared to the unsoiled control. Photovoltaic modules with sea salt on their faces were step-stressed between 25% and 95% RH at 60°C applying −1000 V bias to the active cell circuit. Leakage current from the cell circuit to ground ranged between two and ten times higher than that of the unsoiled controls. Degradation rate of modules with salt on the surface increased with increasing RH and time.
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Citations
Techno-Economic Assessment of Soiling Losses and Mitigation Strategies for Solar Power Generation
Klemens Ilse,Leonardo Micheli,Benjamin Figgis,Katja Lange,David Daßler,Hamed Hanifi,Fabian Wolfertstetter,Volker Naumann,Christian Hagendorf,Ralph Gottschalg,Jörg Bagdahn +10 more
TL;DR: In this article, the importance of soiling is assessed for the global PV and concentrated solar power systems key markets, and a technoeconomic assessment of current and proposed soiling mitigation strategies such as innovative coating materials is discussed.
301
Dust and soiling issues and impacts relating to solar energy systems: Literature review update for 2012-2015
Suellen Caroline Silva Costa,Antonia Sonia A.C. Diniz,Lawrence L. Kazmerski,Lawrence L. Kazmerski +3 more
TL;DR: In this paper, the authors provide a review survey of solar device soiling and mitigation approaches published over the past 5 years. But the focus is on the period 2013-2015, but an updated listing is also provided for the year 2012 for completeness.
A review of dust accumulation and cleaning methods for solar photovoltaic systems
TL;DR: In this paper, a comprehensive review of dust problem and cleaning methods for engineers, designers, and researchers dealing with PV systems is provided, where the main dust elements which have impact are six dust pollutants.
247
A characterization study for the properties of dust particles collected on photovoltaic (PV) panels in Sharjah, United Arab Emirates
TL;DR: In this paper, the seasonal variability of dust and PV soiling losses over 4 months (15 weeks, over the summer of 2018) in a soiling station deployed at the American University of Sharjah, UAE was investigated.
75
Combined and Sequential Accelerated Stress Testing for Derisking Photovoltaic Modules
Peter Hacke,Michael Owen-Bellini,Michel Kempe,David C. Miller,Tadanori Tanahahi,Keiichiro Sakurai,William J. Gambogi,John Trout,Thomas C. Felder,Kaushik Roy Choudhury,Nancy H. Phillips,Michael Koehl,Karl-Anders Weiss,Sergiu Spataru,Christos Monokroussos,Gerhard Mathiak +15 more
- 01 Jan 2019
TL;DR: Application of stress factors in the combinations and sequences as they occur in the natural environment better reproduces failures seen in the field.
35
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