Space vector pulse width modulation based DVR to mitigate voltage sag and swell

In this paper, the operation of DVR is presented and the control technique used for voltage source inverter is Space vector PWM. Space vector PWM techniques can utilize the better dc voltage and generates the fewer harmonic in inverter output voltage. Phase jump compensation is achieved by using Phase Locked Loop. This work describes the DVR based on Space Vector PWM incorporating the PLL provides voltage support to sensitive loads and is simulated by using MATLAB/SIMULINK. The control approach presented is able to compensate for any type of voltage sags and swells. This work also intended to assimilate the amount of DC energy storage depends on the installed load.