Dynamic Voltage Restorer using Matlab 
Kunik Kumar Rajput1, Sagar Bhati2, Krishna Chaudhary3, Chirag Dubey4, Nagendra Kumar5
1Kunik Kumar Rajput*, Electrical and Electronics Department, GL Bajaj Institute of Technology and Management, Greater Noida, India.
2Sagar Bhati, Electrical and Electronics Department, GL Bajaj Institute of Technology and Management, Greater Noida, India.
3Krishna Chaudhary, Electrical and Electronics Department, GL Bajaj Institute of Technology and Management, Greater Noida, India.
4Chirag Dubey, Electrical and Electronics Department, GL Bajaj Institute of Technology and Management, Greater Noida, India.
5Nagendra Kumar, Electrical and Electronics Department, GL Bajaj Institute of Technology and Management, India.
Manuscript received on June 08, 2020. | Revised Manuscript received on June 25, 2020. | Manuscript published on June 30, 2020. | PP: 1304-1307 | Volume-9 Issue-5, June 2020. | Retrieval Number: E1167069520/2020©BEIESP | DOI: 10.35940/ijeat.E1167.069520
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: The occurrences of sag and swell in electric supply is termed as a problem of concern, since it affects the energy quality. To maintain energy quality, it is necessary to eliminate these factors to a great extent. The device used for this purpose is known as DVR which stabilizes the quality of power supply by compensating sag and swells and critical load connected to the industry remains unaffected. DVR is ideal for the application in industries because of its features i.e. low cost, small size, and its rapid response to disruption. In this work, DVR is used to eliminate voltage sag and swell and for one more application i.e. fault compensation by injecting missing voltage from the auxiliary power source.
Keywords: DVR, Sag, Fault, Swell, Compensation