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Conventional maximum power point tracker (MPPT) uses fixed step size perturbation in order to track the maximum power point (MPP), therefore the tracking efficiency has decreased due to steady state oscillations around the MPP. Recently, many techniques have been developed proposing new approaches in the field of variable step size MPPT to overcome the shortcoming of the fixed step size techniques...
This paper proposes novel stability analysis for variable step size incremental resistance INR maximum power point tracking MPPT. One important factor which judges system dynamics and steady state performances is the scaling factor (N), which used to update the controlling equation in the tracking algorithm to determine the new duty cycle. The main contribution of this analysis appears in developing...
This paper proposes a variable step size maximum power point tracking MPPT based on incremental conductance/impedance INC method. In order to design the appropriate variable step size scaling factor, a small signal model for the overall system equipped with the PV model and the INC algorithm has been developed. The optimal value of the variable step size scaling factor has been designed using the...
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