Analysis and Mathematical Model for Restitution of Voltage Using Dynamic Voltage Restorer

Table 1

Comparison of distorted voltage, injected voltage, and load voltage for different controllers (sag compensation).

Controllers	Distorted voltage (volts)			Injected voltage (volts)			Load voltage (volts)
	Phase A	Phase B	Phase C	Phase A	Phase B	Phase C	Phase A	Phase B	Phase C
PI	249	249	249	141	137	120	390	386	369
SRF	249	249	249	146	143	126	395	392	375
Fuzzy	249	249	249	166	166	166	415	415	415