A Review of Control Techniques and Energy Storage for Inverter-Based Dynamic Voltage Restorer in Grid-Integrated Renewable Sources

Table 15

Comparison of various two-level inverter topologies in DVR.

Ref. no.	Inverter topology	Energy storage	Injection transformer	Compensation technique	Capabilities	No. of levels	Modulation technique
[10]	VSI inverter	Capacitor	Present	—	Only sag	2	PWM
[80]	VSI inverter	Constant source	Present	—	Only sag	2	Space vector PWM
[134]	VSI inverter	Electrolytic capacitors	Present	PSC	Only sag	2	PWM
[200]	1 − ϕ half-bridge inverter	Capacitor	Not present	—	Only sag	2	PWM
[201]	1 − ϕ full bridge inverter	Constant source	Present	—	Both	2	PWM
[205]	3 − ϕ three wire inverter	Lead-acid batteries	Present	PSC to IPC	Only sag	2	Voltage space vector PWM
[206]	3 − ϕ four-leg inverter	Constant source	Not present	—	Only sag	2	—
[207]	3 − ϕ six-switch inverter	Capacitor	Present	—	Only sag	2	—
[208]	3 − ϕ split capacitor six switch four wire inverter	Lead-acid batteries	Present	PSC to IPC	Only sag	2	Voltage space vector projection method
[209]	VSI inverter	Capacitor	Present	—	Only sag	2	PWM
[210]	VSI inverter	Constant source	Present	MEC	Only sag	2	PWM
[211]	3 − ϕ three-wire	Lead-acid batteries	Present	PSC to IPC	Only sag	2	Space vector PWM
[212]	3 − ϕ half-bridge inverter	Constant source	Present	PSC	Only sag	2	PWM
[213]	VSI inverter	Constant source	Present	PSC and IPC	Both	2	Space vector PWM