A new method to extract diode parameters under the presence of parasitic series and shunt resistance

Ranuarez, J.C.; Ortíz‐Conde, A.; Sánchez, F.J. Garcı́a

doi:10.1016/s0026-2714(99)00232-2

Cited by 27 publications

(12 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This characterizes the internal losses due to current flow inside the each cell and in linkages between cells. It alters the shape of I-V curve near optimum power point and open circuit voltage; however, its effect is small [29,36]. I-V curve without considering would be somewhat dissimilar than the curves outlined including its value.…”

Section: Reverse Saturation Current ( )mentioning

confidence: 96%

See 1 more Smart Citation

An Improved Mathematical Model for Computing Power Output of Solar Photovoltaic Modules

Jakhrani

Samo

Kamboh

et al. 2014

International Journal of Photoenergy

View full text Add to dashboard Cite

It is difficult to determine the input parameters values for equivalent circuit models of photovoltaic modules through analytical methods. Thus, the previous researchers preferred to use numerical methods. Since, the numerical methods are time consuming and need long term time series data which is not available in most developing countries, an improved mathematical model was formulated by combination of analytical and numerical methods to overcome the limitations of existing methods. The values of required model input parameters were computed analytically. The expression for output current of photovoltaic module was determined explicitly by Lambert W function and voltage was determined numerically by Newton-Raphson method. Moreover, the algebraic equations were derived for the shape factor which involves the ideality factor and the series resistance of a single diode photovoltaic module power output model. The formulated model results were validated with rated power output of a photovoltaic module provided by manufacturers using local meteorological data, which gave ±2% error. It was found that the proposed model is more practical in terms of precise estimations of photovoltaic module power output for any required location and number of variables used.

show abstract

Section: Reverse Saturation Current ( )mentioning

confidence: 96%

“…It has no explicit analytical solution. It is also time consuming to discover its exact analytical solution due to the limitation of available data for the extraction of required parameters [34][35][36]. For that reason, the researchers gradually focused on searching out the approximate methods for the calculation of unknown parameters.…”

Section: Introductionmentioning

confidence: 99%

An Improved Mathematical Model for Computing Power Output of Solar Photovoltaic Modules

Jakhrani

Samo

Kamboh

et al. 2014

International Journal of Photoenergy

View full text Add to dashboard Cite

show abstract

“…Then, a more accurate model for the DC I-V characteristic of the diode can be formulated by introducing a series resistance R s , accounting for the ohmic voltage drop across the semiconductor bulk, and a parallel resistance G 1 , accounting for alternative paths [10][11][12][13]: figure 1 shows the equivalent electrical circuit; this model has four parameters, and equation (1) modifies into:…”

Section: Introductionmentioning

confidence: 99%

On a rapidly converging iterative algorithm for diode parameter extraction from a singleIVcurve

et al. 2017

View full text Add to dashboard Cite

We measure the I-V curve of a p-n diode on a range of currents where the well known Shockley model exhibits its shortcoming. We show that the behavior of the I-V curve, on the whole range of currents, can be captured by a modified four parameter Shockley model; the parameters of the model are obtained by a numerical procedure, consisting of an iterative rapidly converging nonlinear fitting algorithm. The fit returns sound estimates of the parameters for I-V curves, as function of temperature. The method is validated on a well known 1N4148 diode, but it can also be applied to any other devices described by single-diode models such as solar cells. We also show that the knowledge of the temperature dependence of the parameters can be used to obtain a quantitative estimate of other physical properties of the system, such as the energy gap of junction materials.

show abstract

“…The parameters extraction requires the device and method for data analysis. A large number of published techniques (Ferhat-Hamida et al, 2002;Ortiz-Conde and García Sánchez, 2005;Zhou et al, 2009;Ranuárez et al, 2000;Lien et al, 1984;Sato and Yasumura, 1985;Cheung and Cheung, 1986;Lugo et al, 2010) describe solutions to this problem. Each of these methods has drawbacks, either in terms of use and accuracy, or at the convergence and speed (Ortiz-Conde et al, 1999).…”

Section: Introductionmentioning

confidence: 99%

Two methods for extracting the parameters of a non-ideal diode

Khalis¹,

Masrour²,

Mir³

et al. 2015

Int. J. Phys. Sci.

View full text Add to dashboard Cite

We describe two methods of extracting physical parameters of a non ideal p-n diodes. These include the ideality factor, saturation current and series resistance. The proposed techniques that treat extraction parameters, using the current-voltage characteristic (I,V) forward biased. The first method is to learn three different points of the curve, with the coordinates of these points, one can generate a system of nonlinear equations expressing the electrical parameters. The resolution of these non-linear equations was performed by the numerical method of Newton-Raphson. The second is based on the least squares method. Both methods are tested using programs developed in Matlab code based on the experimental characteristic (I-V) of two different diodes in silicon.

show abstract

A new method to extract diode parameters under the presence of parasitic series and shunt resistance

Cited by 27 publications

References 5 publications

An Improved Mathematical Model for Computing Power Output of Solar Photovoltaic Modules

An Improved Mathematical Model for Computing Power Output of Solar Photovoltaic Modules

On a rapidly converging iterative algorithm for diode parameter extraction from a singleIVcurve

Two methods for extracting the parameters of a non-ideal diode

Contact Info

Product

Resources

About