Modeling and Simulation of Simplified Quadruple Diode Solar PV Module Under Influence of Environmental Conditions and Parasitic Resistance

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Abstract

To ensure a rapid and consistent design of Photovoltaic (PV) modules, the presence of an effective simulator is essential for assessing the behaviour of the PV cell when subjected to rapid or partial changes in temperature, irradiance, and parasitic resistance. The prevailing approach for modelling involves utilizing an equivalent circuit that encapsulates both nonlinear and linear mechanisms. The study introduces an eleven-parameter quartic model for the simulation and modelling of a PV unit. The model takes into account the equivalent circuit constraints of the PV cell and validated by solving the non-linear voltage equation. The examination concentrates on three pivotal junctures: open circuit, maximum power point, and short circuit. These key points are crucial for comprehending the operational characteristics of the PV module in typical conditions. The proposed quadruple diode model has been demonstrated to outperform the lower-order diode models in terms of performance and accuracy. To validate the strength and precision of the developed model, the model was simulated using the specifications of PV panels, and the outcomes were compared with the recorded values obtained from the lower-order models.The model was developed and tested using standard mathematical equations for PV cells within the MATLAB/ Simulink environment.

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