Incremental Conductance MPPT Algorithm for PV system

The script calculates the MPP voltage and corresponding power output and displays the I-V characteristic plot with the marked MPP

The Incremental Conductance MPPT algorithm, a widely used technique in photovoltaic systems to extract the maximum power from solar panels under varying environmental conditions. The script sets up the constants and initializes variables, including the open-circuit voltage (Voc), short-circuit current (Isc), number of series-connected cells (Ns), initial guess for the MPPT voltage (Vpv), and step size (delta) for perturbation.

The main part of the script is a while loop that iteratively calculates the PV current (Ipv) and the derivative of current with respect to voltage (dI_dV) at the current value of Vpv. Based on the sign of Ipv, the algorithm increments or decrements the Vpv to approach the maximum power point (MPP). The loop continues until Ipv approaches zero within the specified tolerance, indicating that the algorithm has converged to the MPP.