Fuzzy-Based EV Charging Station and DVR-Fed Voltage Compensation for a DFIG-Fed Wind Energy System during Grid Faults

Table 9

DVR compensated voltage with PI and fuzzy control.

DVR controller	Fault voltage in p.u.			Compensated voltage in p.u.
	Phase A	Phase B	Phase C	Phase A	Phase B	Phase C
Three-phase fault
PI	0.3602	0.3613	0.3504	0.9564	1.184	0.9793
Fuzzy	0.3601	0.3614	0.3505	1.055	1.015	1.021
Two-phase fault
PI	1.02	0.3862	0.3265	1.02	1.169	1.088
Fuzzy	1.02	0.3864	0.3266	1.02	1.028	1.023
Single-phase fault
PI	1.027	1.012	0.3105	1.029	1.012	0.8846
Fuzzy	1.027	1.012	0.3103	1.021	1.01	1.044