Comparative Study of the Grid Side Converter’s Control during a Voltage Dip

Table 3

Comparison results for 20% depth of stator voltage.

	PI controller	SM
	Increase
	Increase
	Decreases by 40% for 500 ms then returns to its reference with oscillations	Stable decreases by 20%
	Appearance of an overshoot then returns to its reference after a short response time	Appearance of an overtaking then immediately returns to its reference