Modeling of Arbitrary Power Level PV Array Based on Circuit Equivalent Mechanism

Abstract:

According to the equivalent circuit of single solar cell and the V-I equation of PV cell based on physical mechanism, a simulation model of single solar cell is established. According to this model and structure feature of PV array, the Thevenin circuit equivalent transform theory is used. The control relationship between single solar cell and PV array is given. Then a simple modeling method for arbitrary power level PV array is proposed. To verify the model effectiveness, a Pspice simulation model is established. Output characteristics of the model and its feasibility in PV power generation system are simulated. Simulation results show that the output characteristics of simulation model are in good consistency with actual PV array, and the model can be effectively applied in simulation of PV power generation system. The modeling method is simple and can be used for simulation on some control algorithms of PV power generation system

• Periodical: Advanced Materials Research (Volumes 424-425)
• Pages: 586-591
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.424-425.586
• Online since: January 2012
• Authors: Zhang Quan Wang, You Rong Chen, Yue Ruan
• Keywords: Modeling, PV Array, Simulation Model, Solar Cell, Thevenin Equivalent

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