Low Voltage Ride through Enhancement Using Grey Wolf Optimizer to Reduce Overshoot Current in the Grid-Connected PV System

Table 2

Controller performance comparison at 20% voltage drop.

	NO RPI	PI	GWO-PI
Voltage during fault (V)	189.82	239	239
Percentage of voltage drop (%)	20.91	0	0
Reactive power (kVar)	0	3763.54	3421.52
Overshoot voltage (%)	-	17.92	7.5