Improvement of the Dynamic Response of Robust Sliding Mode MPPT Controller-Based PSO Algorithm for PV Systems under Fast-Changing Atmospheric Conditions

Table 2

Comparison of MPPT algorithms for the scenario considered.

Algorithm	P&O	PSO	CUCKOO	GWO	WOA	SMC-PSO
Tracking speed at STCs	0.4 s	2 s	0.75 s	0.2 s	0.2 s	0.05 s
Tracking speed after extreme change in irradiance	0.12 s	0.1 s	0.75 s	0.2 s	0.2 s	0.03 s
Ability to track large changes in power before 1 s	Less	No	No	High	High	High
Extracted energy efficiency (%)	96.3	99.9	99.93	99.66	99.70	96.4
Steady state oscillation (% of power)	High	Less	Less	Less	Less	Less
Accuracy	Low	Highest	Highest	Highest	Highest	Highest
Complexity	Easy	Medium	Medium	Medium	Medium	Medium
Transient power fluctuation before 1 s	Low	High	High	Medium	Medium	Very low
Dynamic response before 1 s	Poor	Poor	Poor	Good	Good	Good