Abstract—Power quality problems become a major anxiety of industries due to enormous loss in terms of time and money. In this paper, different voltage injection schemes for Dynamic Voltage Restorer (DVR’s) are analyze with a particular focus on a different technologies for DVR to compensate the voltage sag, swell and harmonics. One of the most powerful FACTS devices is the DVR to alleviate the voltage sag and swell. The SRF theory has been used for estimating the reference DVR voltages by converting voltage from rotating vectors to stator vectors form. A comparison of the DVR with different schemes has been performed with a PWM controlled VSC and SVPWM controlled VSC of DVR. In the simulink model the In-Phase compensation technique for voltage quality improvement is used.

Index Terms—Dynamic Voltage Restorer (DVR), Power quality, Unit vector, SVPWM, Voltage harmonics, Voltage sag, Voltage swells

Cite: K Anil Kumar and K V Dhanalakshmi, "VOLTAGE SAG AND SWELL COMPENSATION BY USING DVR WITH A BESS," International Journal of Electrical and Electronic Engineering & Telecommunications, Vol. 5, No. 4, pp. 6-17, October 2016.