• Vidhya.B
• Sindhu.R
• Gaviswamy BHM
• SanjanaSankar.S
• Shaheen Shah

In existent scenario power quality directly related to distribution system. Enlarged responsive and complicated loads outcome abnormal voltage, current and frequency and decrease quality of power. A Dynamic voltage restorer (DVR ) is a method that prevents nonlinear loads from voltage disturbances‘ and reduce harmonics. Ultra capacitors have low-energy density and high-power density ideal uniqueness for reparation of voltage sags and voltage swells, which are together events that necessitate high power for little distances of time. The proposed project is DVR with ultra-capacitor to meet the true power requirements of the grid during voltage disturbances and reducing harmonics using ‗MATLAB/SIMULINK‘.

-Voltage Sag &swell ,Dynamic Voltage Restorer (DVR),Ultra-Capacitor, PI Controller.

"Alleviation of Voltage drop and Swell in the Distribution Grid Using Ultracapacitor Based Dynamic Voltage Restorer", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 5, page no.165-167, May-2019, Available :http://www.jetir.org/papers/JETIRCJ06037.pdf

"Alleviation of Voltage drop and Swell in the Distribution Grid Using Ultracapacitor Based Dynamic Voltage Restorer", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 5, page no. pp165-167, May-2019, Available at : http://www.jetir.org/papers/JETIRCJ06037.pdf