Performance Evaluation of Dynamic Voltage Restorer for Voltage Sag Mitigation in Distribution Systems using MATLAB/Simulink
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One of the most common disturbances in electrical distribution systems is voltage sag and it can have a great impact on sensitive loads. Dynamic Voltage Restorer (DVR) is a custom power device that is series connected to load to compensate abnormal supply conditions. This paper discusses the modelling and performance analysis of a voltage sag mitigation system based on a DVR system implemented in MATLAB/Simulink. The proposed model studies how the distribution system responds when subjected to voltage sag and assesses the capability of the DVR in recovering the load voltage. When the source voltage drops, the reduction is detected by the DVR which can add an appropriate compensating voltage via a series injection transformer. The simulation results indicate that the DVR can successfully reduce the impact of voltage sag, improve the load voltage profile and further improve the power quality offered to the load. The results obtained show the effectiveness of the solution provided by DVR for the protection of sensitive loads from voltage disturbances in distribution networks.
Quality, I. P. (1995). IEEE recommended practice for monitoring electric power quality. IEEE recommended practice for monitoring electric power quality.
Ghosh, A., & Ledwich, G. (2012). Power quality enhancement using custom power devices. Springer science & business media.
Sadigh, A. K., & Smedley, K. M. (2012, July). Review of voltage compensation methods in dynamic voltage restorer (DVR). In 2012 IEEE power and energy society general meeting (pp. 1-8). IEEE.
Ezoji, H., Sheikholeslami, A., Rezanezhad, M., & Livani, H. (2010). A new control method for dynamic voltage restorer with asymmetrical inverter legs based on fuzzy logic controller. Simulation Modelling Practice and Theory, 18(6), 806-819.
Elgendy, M. A., Zahawi, B., & Atkinson, D. J. (2011). Assessment of perturb and observe MPPT algorithm implementation techniques for PV pumping applications. IEEE transactions on sustainable energy, 3(1), 21-33.
Kharb, R. K., Shimi, S. L., Chatterji, S., & Ansari, M. F. (2014). Modeling of solar PV module and maximum power point tracking using ANFIS. Renewable and Sustainable Energy Reviews, 33, 602-612.
Abas, N., Dilshad, S., Khalid, A., Saleem, M. S., & Khan, N. (2020). Power quality improvement using dynamic voltage restorer. IEEE access, 8, 164325-164339.
Praveen, J., Muni, B. P., Venkateshwarlu, S., & Makthal, H. V. (2004, November). Review of dynamic voltage restorer for power quality improvement. In 30th Annual Conference of IEEE Industrial Electronics Society, 2004. IECON 2004 (Vol. 1, pp. 749-754). IEEE.
Rauf, A. M., & Khadkikar, V. (2014). An enhanced voltage sag compensation scheme for dynamic voltage restorer. IEEE transactions on industrial electronics, 62(5), 2683-2692.
Woodley, N. H., Morgan, L., & Sundaram, A. (2002). Experience with an inverter-based dynamic voltage restorer. IEEE Transactions on Power Delivery, 14(3), 1181-1186.
Rauf, A. M., & Khadkikar, V. (2015). Integrated photovoltaic and dynamic voltage restorer system configuration. IEEE Transactions on Sustainable Energy, 6(2), 400-410.
Choi, S. S., Li, B. H., & Vilathgamuwa, D. M. (2000). Dynamic voltage restoration with minimum energy injection. IEEE Transactions on power systems, 15(1), 51-57.
