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

Table 5

Experimental comparison between the proposed improved-FOCV and MPPT techniques based on classical algorithms.

Technique	Proposed	P&O	IC	FOCV	CV	SCC
Sensed parameters	Temperature	Voltage and current	Voltage and current	Voltage	Voltage	Current
Tracking speed	Fast	Slow	Slow	Slow	Slow	Slow
Tracking accuracy	High	Medium	Medium	Slow	Slow	Medium
Control strategy	Indirect control	Direct control	Direct control	Indirect control	Indirect control	Indirect control
Complexity level	Simple	Medium	Complex	Simple	Simple	Simple
Cost	Inexpensive	Affordable	Expensive	Inexpensive	Inexpensive	Inexpensive
Response to load variation	Faster	Fast	Fast	Slow	Slow	Slow
Steady-state oscillation	Small	Large	Small	Large	Large	Medium
Efficiency	99%	97.8%	98.5%	92.4%	72.8%	93.4%