20.500.12556/RUL-124062 Annual energy losses due to partial shading in PV modules with cut wafer-based Si solar cells To further improve the efficiency of the wafer-based silicon photovoltaic (PV) module, producers are introducing new module designs with cut-cells. Since smaller solar cells might be affected by partial shading even more and earlier than full-size cells, the energy performance simulations of partially shaded modules are crucial. A detailed shading analyses of partially shaded modules with different cut cell designs are presented not only on a single case scenario but on annual energy yield simulations using Spice, where a shading scenario over the whole module by the use of a new 3D shading horizon profile of selected shading objects is calculated. The annual simulations reveal that regardless the module design almost all cells in the module are confronted by reverse bias, which can deteriorate the module performance significantly. Simulation results with three different shading objects on five different module topologies at five locations showed that the best cut-cell module design depends strongly by the micro location and shading objects; however, in general the string of solar cells connected in series should be aligned with the shading shape around noontime as much as possible. A comprehensive annual energy performance evaluation of partially shaded cut-cell modules revealed; that with a correct cell layout of cut-cells in a PV module, the shading losses can be reduced by 30–50% if comparing to the standard PV module design. PV module shading cut cells energy balance models losses PV moduli senčenje rezane celice energijski modeli izgube true false true Angleški jezik Slovenski jezik Članek v reviji 2020-12-23 11:36:20 2020-12-23 11:36:21 2022-09-04 03:57:25 0000-00-00 00:00:00 2021 0 0 Str. 195-203 Vol. 168 May 2021 0000-00-00 Zaloznikova Objavljeno apc 0000-00-00 0000-00-00 0000-00-00 621.383.51 0960-1481 10.1016/j.renene.2020.12.059 44146435 8704261 RAZ_Brecl_Kristijan_2021.pdf RAZ_Brecl_Kristijan_2021.pdf 1 B25C75216F1B30D56E93B4BAE36C9998 60a84c6dd3a14c2cc662b3cedbed511e508c8330b607d342e1eb7da5043336d4 777cf7b3-a1bb-11eb-a523-00155dcfd717 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=139450 https://www.sciencedirect.com/science/article/pii/S0960148120319972 1 https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=139449 Fakulteta za elektrotehniko 0 0 0