Study on Fault Detection for Photovoltaic Array Using Infrared Image

Zi Yang Zhang; Jun Sheng Shi; Jing Yu Zhang; Xu Qing Wu; Ming Li

doi:10.4028/www.scientific.net/AMR.512-515.280

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 512-515Study on Fault Detection for Photovoltaic Array...

Study on Fault Detection for Photovoltaic Array Using Infrared Image

Abstract:

This paper provides proof of concept for a technique that uses high resolution thermal infrared imager to detect faults for outdoor operation photovoltaic array. An experimental study focused on two situations was tested: abnormal emitting heat of monocrystalline silicon solar cells (hot spot); open circuit fault of photovoltaic array. Experimental results show that the infrared image could clearly give prominence to the faulty solar cell or PV array. The back surface temperature of solar cell with hot spot is higher than normal ones with 13.2°C in mean value，and the back surface temperature of open circuit PV array is higher than normal ones with 2.8°C in mean value.

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Periodical:

Advanced Materials Research (Volumes 512-515)

Pages:

280-284

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.512-515.280

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Online since:

May 2012

Authors:

Zi Yang Zhang, Jun Sheng Shi, Jing Yu Zhang, Xu Qing Wu, Ming Li

Keywords:

Fault Detection, Hot Spot, Infrared Image, Opens Circuit, Photovoltaic (PV)

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