Conference Paper

A Photovoltaic Array Simulation Model for Matlab-Simulink GUI Environment

Karadeniz Tech. Univ., Trabzon
DOI: 10.1109/ICCEP.2007.384234 Conference: Clean Electrical Power, 2007. ICCEP '07. International Conference on
Source: IEEE Xplore

ABSTRACT A photovoltaic array (PVA) simulation model to be used in Matlab-Simulink GUI environment is developed and presented in this paper. The model is developed using basic circuit equations of the photovoltaic (PV) solar cells including the effects of solar irradiation and temperature changes. The new model was tested using a directly coupled dc load as well as ac load via an inverter. Test and validation studies with proper load matching circuits are simulated and results are presented here.

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    ABSTRACT: A Simulation model for simulation of a single solar cell and two solar cells in series has been developed using Simelectronics (Matlab/Simulink) environment and is presented here in this paper. A solar cell block is available in simelectronics, which was used with many other blocks to plot I-V and P-V characteristics under variations of parameters considering one parameter variation at a time. The effect of variation of parameters such as series resistance, R s , shunt resistance R sh , diode parameters: diode saturation current, Is and ideality factor, N, could be seen on the characteristics of a single solar cell. Effect of two environmental parameters of temperature and irradiance variations could also be observed from simulated characteristics. Matlab coding has been done to find the maximum power output, P m , and voltage at maximum power output, V m , of a single solar cell and two solar cells (in series) under different values of parameters. The P m and V m values are tabulated here in this paper for variation of one parameter at a time, considering the diode parameters: Is and N, resistances: series and shunt, temperature and irradiance. Keywords-Photovoltaic (PV) Cell, Maximum Power (P m), Maximum Power Point (MPP), Voltage at MPP(V m)
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