Journal article Open Access

Outdoor detection and visualization of hailstorm damages of photovoltaic plants

Muehleisen, Wolfgang; Eder, Gabriele C.; Voronko, Yuliya; Spielberger, Markus; Sonnleitner, Horst; Knöbl, Karl; Ebner, Rita; Ujvari, Gusztav; Hirschl, Christina


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{
  "publisher": "Zenodo", 
  "DOI": "10.5281/zenodo.3460499", 
  "container_title": "Renewable Energy", 
  "language": "eng", 
  "title": "Outdoor detection and visualization of hailstorm damages of photovoltaic plants", 
  "issued": {
    "date-parts": [
      [
        2017, 
        11, 
        8
      ]
    ]
  }, 
  "abstract": "<p>Photovoltaic modules can experience damages of varying severity in the case of heavy hail storms. In the&nbsp;worst case, complete&nbsp; glass and solar cell breakage results in efficiency and security losses of the affected&nbsp;modules which therefore have to be replaced. However, there is a strong need to inspect the remaining&nbsp;modules directly in the field in order to assure no hidden damage. Three&nbsp; hail-affected photovoltaic plants&nbsp;in the south of Austria were investigated first with common standard methods like analysis of the&nbsp; plant&nbsp;monitoring data and thermography. Then, these plants were additionally investigated by novel nondestructive&nbsp;methods. With&nbsp; the aid of two innovative characterisation tools, outdoor electroluminescence&nbsp;and UV-fluorescence imaging, hail-induced damaging&nbsp; of solar cells can be detected even when the&nbsp;solar glass of the modules withstood the mechanical impact of the hailstorm and no&nbsp; damages are visible&nbsp;to the naked eye or well recognizable by thermography. The non-destructive, easy to handle and fast&nbsp;characterization technique UV-fluorescence imaging allows the detection and visualisation of hail&nbsp;induced cell damage.&nbsp; Modules&nbsp;showing partial cell breakage and/or micro cracks e as proven by outdoor&nbsp;electroluminescence measurements e and lead&nbsp; to a reduced electrical performance can be unequivocally&nbsp;identified.&nbsp;</p>", 
  "author": [
    {
      "family": "Muehleisen, Wolfgang"
    }, 
    {
      "family": "Eder, Gabriele C."
    }, 
    {
      "family": "Voronko, Yuliya"
    }, 
    {
      "family": "Spielberger, Markus"
    }, 
    {
      "family": "Sonnleitner, Horst"
    }, 
    {
      "family": "Kn\u00f6bl, Karl"
    }, 
    {
      "family": "Ebner, Rita"
    }, 
    {
      "family": "Ujvari, Gusztav"
    }, 
    {
      "family": "Hirschl, Christina"
    }
  ], 
  "page": "138-145", 
  "type": "article-journal", 
  "issue": "118", 
  "id": "3460499"
}
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