Degradation of Crystalline Silicon Photovoltaic Cells/Modules under Heat and Temperature Effect

Hounkpatin, Géraud Florentin; Kounouhéwa, Basile; Agbomahéna, Macaire; Madogni, Vianou Irénée

doi:10.9734/psij/2018/42864

Cited by 5 publications

(3 citation statements)

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“…However, also polymeric materials only degrade slowly in those conditions. This emphasizes the need to apply UV light and other stress factors at the same time in accelerated aging and degradation testing [31].…”

Section: Field Failuresmentioning

confidence: 99%

“…Failure modes in the field which occurred during operation are analyzed [31]: microcracks, cracking of back sheet, corrosion of connections, hot spots, cell breakage, delamination of encapsulant and back sheet, oxidation of busbars, yellowing/browning of encapsulants and back sheets with and without power loss, bubble formation and discoloration of busbars.…”

Section: Failure Analysismentioning

confidence: 99%

“…Oxidation and discoloration of busbars and corrosion of connectors are also easily detected without special measuring equipment; they lead to increased resistance in series. Microcracks, cell failure and hot spots have a greater impact on performance [31]. The detection of these defects requires IR cameras.…”

Section: Failure Analysismentioning

confidence: 99%

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Reliability and Ecological Aspects of Photovoltaic Modules

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Solar cells and photovoltaic modules are energy conversion components that produce electricity when exposed to light. The originality of photovoltaic energy as we understand it here is to directly transform light into electricity. Thin-film silicon in particular is better at low and diffuse illuminations and decreases less than the crystalline when the temperature increases while reducing the amount of material and manufacturing costs. However, the quality of the material and the efficiency of the conversion limit their use on a large scale. If the light absorption of the ultrathin layers of the active material could be improved, this would lead to low recombination currents, higher open-circuit voltages and higher conversion efficiency. PV systems often communicate with utilities, aggregators and other grid operators over the public Internet, so the power system attack surface has significantly expanded. Solar energy systems are equipped with a range of grid-support functions, whichif controlled or programmed improperly-present a risk of power system disturbances.

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Section: Field Failuresmentioning

confidence: 99%

Section: Failure Analysismentioning

confidence: 99%