Table 5 Comparison of ripple and overshoot performance for PO, GWO, and WOA MPPT algorithms.

From: GWO and WOA variable step MPPT algorithms-based PV system output power optimization

Performance metric

Baseline (PO)

PO-GWO

PO-WOA

Improvement:

Reduction ratio (%)

PO-GWO

PO-WOA

Ripple (W)

5.5

1

0.15

82%

98%

Overshoot (W)

9

4.5

3

50%

67%