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

Figure 16

Experimental results of SVPWPS for new reference voltage and arbitrary scenario for insolation: (a) evolution of the insolation and the efficiency of the DC/DC inverter; (b) variation of the input and output powers; (c) evolution of the input and output voltage of the boost converter; (d) movement of MPP versus the PV array voltage.

(a)

(b)

(c)

(d)