Design of Efficient Off-Grid Solar Photovoltaic Water Pumping System Based on Improved Fractional Open Circuit Voltage MPPT Technique

Figure 14

Experimental results of SVPWPS under constant temperature and arbitrary scenario for insolation: (a) evolution of the insolation variation; (b) evolution of the duty cycle; (c) evolution of input and optimal powers; (d) movement of MPP versus the optimum voltage; (e) a zoom of the movement of MPP versus the optimum voltage; (f) evolution of the input and output voltages; (g) stator voltage and pulsation response; (h) stator current response; (i) flow rate evolution.

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