Influence of volcanic tephra on photovoltaic (PV)-modules: an experimental study with application to the 2010 Eyjafjallajökull eruption, Iceland

作者: Edgar Zorn , Thomas R. Walter

DOI: 10.1186/S13617-015-0041-Y

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摘要: Large volcanic eruptions may lead to significant tephra dispersion, crossing borders and affecting distant industrial societies in various ways. While the effects of ash clouds on aviation industry have been recognized, damaging photovoltaic energy sector are poorly investigated. Here we describe influence deposition (PV) modules that experimentally analyzed evaluated. A systematic set experiments was conducted under controlled conditions using an artificial light source measuring electrical power generated from PV-modules with aim determine dependency amount covering a module its subsequent loss production (measured voltage current) as well grain size. We find mass fine has stronger generation than same coarser particles. An application fine-grained 2010 Eyjafjallajokull eruption Iceland resulting ash-cloud reveals produced by continental Europe might affected significantly. Deposits were thick enough cause complete failures up distance about 300 km downwind. Although this is largely over ocean particular case, our results imply similar larger other volcanoes elsewhere harm commercial or private at distances hundreds thousands kilometers volcano. Given frequent fact PV-industry growing rapidly, negative impacts expected future, requiring close dispersion monitoring PV-maintenance strategies.

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