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Received: 11 December 2018 Accepted: 2 February 2019 The objective of this study is to investigate the shading effect on a new architecture of Photovoltaic Generator (PVG) proposed in this work. This new architecture is constitutes of three PV modules in series connected. Two of them are constitute of amorphous silicon cells in series connected. The third Module is constitutes of monocristallin silicon cells in series connected. This architecture is conceived as a PV concentrator where the two Amorphous PV Modules are in the lower position and the third one is in the upper position (located in the Focus). The role of the upper Module consists in absorbing the solar rays reflected by the two others modules in order to gain the maximum of solar energy. This architecture aims to solve the problems existing with the architecture of tandem solar cells proposed in literature. Those problems are the mismatch between cells and the tunnel junction costs and fabrication. In this paper, we use Matlab/Simulink for modeling this architecture and studying their characteristics ( I − V and P − V ) in case of partial shading. Through this study, it was found that the maximum PV power is affected by the partial shading. The findings of this research can serve as in the real construction of this new PVG architecture.

Modeling of New Architecture of Photovoltaic Generator Based on a-Si: H/c-Si Materials