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Advances in Power Electronics
Volume 2012 (2012), Article ID 871652, 11 pages
doi:10.1155/2012/871652
Mitigation of Voltage Dip and Voltage Flickering by Multilevel D-STATCOM
Visvesvaraya National Institute of Technology, Nagpur, India
Received 3 May 2012; Accepted 19 July 2012
Academic Editor: Neville Watson
Copyright © 2012 M. S. Ballal et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
The basic power quality problems in the distribution network are voltage sag (dip), voltage flickering, and the service interruptions. STATCOM is a Flexible AC Transmission Systems (FACTS) technology device which can independently control the flow of reactive power. This paper presents the simulation and analysis of a STATCOM for voltage dip and voltage flickering mitigation. Simulations are carried out in MATLAB/Simulink to validate the performance of the STATCOM. A comparison between the six-pulse inverter and the five-level diode-clamped inverter is carried out for the performance of 66/11 KV distribution system.