E. Hossain, M. R. Tur, S. Padmanaban, S. Ay, and I. Khan, “Analysis and Mitigation of Power Quality Issues in Distributed Generation Systems Using Custom Power Devices,” IEEE Access, vol. (6), pp. 16816-16833, 12 Mar. 2018.
 N. R. Watson and A. Miller, “Power Quality Indices,” EEA Conference and Exhibition, pp. 1-15, June 2015.
 A. Polycarpou, H. Nouri, T. Davies and R. Ciric, “An overview of voltage sag theory, effects and equipment compatibility,” 39th International Universities Power Engineering Conference, 2004. UPEC 2004, pp. 966-972, 6-8 Sep. 2004.
 N. M. Salgado-Herrera, A. Medina-Rios, R. Tapia-Sanchez and O. Anaya-Lara, “Sags and swells compensation and power factor correction using a dynamic voltage restorer in distribution systems,” 2017 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC), 8-10 Nov. 2017.
 S. Praveena and B. S. Kumar, “Performance of Custom Power Devices for Power Quality Improvement,” 2017 IEEE International Conference on Power, Control, Signals and Instrumentation Engineering (ICPCSI), pp. 912-917,21-22 Sep. 2017.
 T. S. Saggu and L. Singh, “Comparative Analysis of Custom Power Devices for Power Quality Improvement in Non-linear Loads,” 2015 2nd International Conference on Recent Advances in Engineering & Computational Sciences (RAECS),21-22 Dec. 2015.
 M. T. L. Gayatri, A. M. Parimi and A. V. P. Kumar, “Application of Dynamic Voltage Restorer in microgrid for voltage sag/swell mitigation,” 2015 IEEE Power, Communication and Information Technology Conference (PCITC), 15-17 Oct. 2015.
 J. Sabarad and G. H. Kulkarni, “Comparative analysis of SVPWM and SPWM techniques for multilevel inverter,” 2015 International Conference on Power and Advanced Control Engineering (ICPACE), pp. 232-237, 12-14 Aug. 2015.
 A. S. Kale, A. V. Tamhane and A. A. Kalage, “Comparative study of SPWM And SVPWM cascaded h-bridge multilevel inverter,” 2017 International Conference on Intelligent Computing and Control (I2C2), 23-24 June 2017.
 K. J. Pratheesh, G. Jagadanand and R. Ramchand, “An improved space vector PWM method for a three-level inverter with reduced THD,” 2015 9th International Conference on Compatibility and Power Electronics (CPE), pp. 167-172, 24-26 June 2015.
 S. S. Choi, J. D. Li and D. M. Vilathgamuwa, “A generalized voltage compensation strategy for mitigating the impacts of voltage sags/swells,” IEEE Transactions on Power Delivery, vol. (20), no. 3, pp. 2289-2297, July 2005.
 S. Chung, “A phase tracking system for three phase utility interface inverters,” IEEE Transactions on Power Electronics, vol. (15), no. 3, pp. 431-438, 27 May 2000.
 C. Fitzer, M. Barnes and P. Green, “Voltage sag detection technique for a dynamic voltage restorer,” IEEE Transactions on Industry Applications, vol. (40), no. 1, pp. 203-212, Jan.-Feb. 2004.
 D. C. da Silva Junior, B. F. Musse, M. M. Lanes and J. G. de Oliveira, “Real Time Simulation of Dynamic Voltage Restorer (DVR) utilizing RTDS and dSPACE,” 2017 IEEE 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG), 17-20 April 2017.
 M. Bobrowska-Rafal, K. Rafal, M.Jasinski and M.P.Kazmierkowski, “Grid synchronization and symmetrical components extraction with PLL algorithm for grid connected power electronic converters– a review,” Bulletin of the Polish Academy of Sciences: Technical Sciences, vol. (59), no. 4, pp. 485-497, 2011.
 A. S. Maklakov and A. A. Radionov, “EMC evaluation of three level NPC converter based on space vector PWM,” 2015 IEEE NW Russia Young Researchers in Electrical and Electronic Engineering Conference (EIConRusNW), pp. 236-240, 2-4 Feb. 2015.
 A. K. Bilhan and S. Sunter, “Simulation and Design of Three-Level Cascaded Inverter Based on Soft Computing Method,” Tehnicki Vjesnik - Technical Gazette, vol. (27), no. 2, pp. 489-496, Apr. 2020.
 S.K. Mondal, J.O. P. Pinto and B. K. Bose, “A neural-network-based space-vector PWM controller for a three-level voltage-fed inverter induction motor drive,” IEEE Transactions on Industry Applications, vol. (38), no. 3, pp. 660-669, May/Jun. 2002.
 S.K. Mondal, B. K. Bose and J.O. P. Pinto, “Space vector pulse width modulation of three-level inverter extending operation into overmodulation region,” IEEE Transactions on Power Electronics, vol. (18), no. 2, pp. 604-611, March 2003.
 T. M. Blooming and D. J. Carnovale, “Application of IEEE STD 519-1992 Harmonic Limits,” Conference Record of 2006 Annual Pulp and Paper Industry Technical Conference, 18-23 June 2006.