Newton–Cotes quadrature formula, 3/8 rule, and Boole’s rule integration of the Current minus the Short-Circuit Current, to obtain the Co-Content function and photovoltaic device parameters with more precision, in the case of constant percentage noise

Abstract

Abstract In this article, the Newton–Cotes quadrature formula, the 3/8 rule, and the Boole’s rule integration techniques are used to integrate the Current minus the Short-Circuit Current, to obtain a more accurate Co-Content function, and from this one, deduce with more accuracy the photovoltaic device parameters, namely, the Shunt Resistance, the Series Resistance, the Ideality Factor, the Saturation Current, and the Light Current, compared with the usually used trapezoidal integration technique. Less than 5% error (in some cases 1% or smaller) can be obtained on the extracted photovoltaic device parameters, for 31 measured points per volt, or less, in case the percentage noise is <0.05%.

Keywords

• Co-Content function
• Saturation current
• Light current
• Ideality factor
• Series resistance
• Shunt resistance