Conventional INC MPPT runs with a fixed step size for each perturbation. This modified MPPT initially runs with a bigger step size when it is far from MPP and as it reaches near MPP it runs with a smaller step size. The advantages of this method are, it tracks MPP faster and runs near MPP with very small fluctuations. I hope it will be helpful for all the young researchers starting in this field and looking for some good foundations. You can write your queries in the comment section.
SURAJ KUMAR (2020). Variable Step Size INC MPPT (https://www.mathworks.com/matlabcentral/fileexchange/78360-variable-step-size-inc-mppt), MATLAB Central File Exchange. Retrieved .
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