Study of hybrid photovoltaic module characteristics under local nonuniformity of irradiation and partial shading
Emelyanov V. M.
1, Levina S. A.
1, Nakhimovich M.V.
1, Shvarts M. Z.
11Ioffe Institute, St. Petersburg, Russia
Email: vm.emelyanov@mail.ioffe.ru
The effect of shading and locally increased irradiance of a planar circuit based on c-Si solar cells (SCs) as part of a hybrid photovoltaic module was investigated. It was found out that the magnitude and orientation of the shadow on the surface of c-Si SCs lead to a change in its efficiency within 1 abs.%, which may be explained by a change in the balance of resistive losses. The presence of high-irradiance areas on the surface of c-Si SCs up to 5 mm in diameter (which matches the size of the concentrator A3B5 SC) does not have a noticeable effect on the planar circuit yield which remains close to the values characteristic of the conversion of diffuse radiation only. Keywords: hybrid concentrator-planar photovoltaic module, multijunction solar cell, planar photoconverter, diffusely scattered radiation, shading.
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