Table 6 Comparison of ripple and overshoot performance for PO, GWO, and WOA MPPT algorithms throughout the day (June 21, 2023).

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)

15.3

0.9

0.12

94%

99%

Overshoot (W)

6.2

3.74

3.72

39.6%

40%