Research Article

An Improved Generalized Method for Evaluation of Parameters, Modeling, and Simulation of Photovoltaic Modules

Table 4

Comparison of model, and model, two-diode model, and proposed model output with manufacturer’s datasheet for Shell ST40 PV module [30].

Environmental conditionsParameterDatasheet value model value and model valueTwo-diode model valueProposed model valueError (%)Error and (%)Error two-diode (%)Error proposed (%)

STC
(25°C and 1000 W/m2)
W4029.022440.005540.006040.0000−27.4589−0.00120.01500.0000
V16.614.912016.776016.600016.6029−10.16861.06020.00000.0174
A2.411.94622.38472.41002.4098−19.2448−1.04970.0000−0.0082
V23.321.025423.261823.246023.2993−9.7622−0.1639−0.2317−0.0030
A2.682.15902.66462.65782.6800−19.4402−0.5746−0.82830.0000

NOCTC
(47°C and 800 W/m2)
W27.719.508828.298228.516227.7024−29.57112.15952.94650.0086
V14.712.679014.912014.912014.6933−13.74821.44211.4421−0.0455
V20.718.827120.782020.800220.7009−9.04780.39610.48400.0043
A2.21.75022.13782.13242.1982−20.4454−2.8272−3.0727−0.0818