References
[1]. Sahu, A. K., Verma, O. P., & Jhapte, R. (2014). Process of voltage mitigation by UPFC. International Journal of Digital Application & Contemporary Research, 2 (6).
[2]. Singh, B., Al-Haddad, K., & Chandra, A. (1999). A review of active filters for power quality improvement. IEEE Transactions on Industrial Electronics, 46(5), 960-971. https://doi.org/10.1109/41.793345
[3]. Enslin, J. H. (1998, July). Unified approach to power quality mitigation. In IEEE International Symposium on Industrial Electronics ISIE'98 (Vol. 1, pp. 8-20). IEEE. https:// doi.org/10.1109/ISIE.1998.707741
[4]. Hingorani, N. G. (1988). Power electronics in electric utilities: Role of power electronics in future power systems. Proceedings of the IEEE, 76(4), 481-482. https://doi.org/10. 1109/5.4432
[5]. Gyugyi, L. (1992, July). Unified power-flow control concept for flexible AC transmission systems. In IEE Proceedings C- Generation, Transmission and Distribution (Vol. 139, No. 4, pp. 323-331). IET Digital Library. https://doi/ 10.1049/ip-c.1992.0048
[6]. Papic, I., Zunko, P., Povh, D., & Weinhold, M. (1997). Basic control of unified power flow controller. IEEE Transactions on Power systems, 12(4), 1734-1739. https:// doi/10.1109/59.627884
[7]. Smith, K. S., Ran, L., & Penman, J. (1997). Dynamic modelling of a unified power flow controller. IEE Proceedings-Generation, Transmission and Distribution, 144(1), 7-12. https://doi/10.1049/ip-gtd:19970680
[8]. Padiyar, K. R., & Kulkarni, A. M. (1998). Control design and simulation of unified power flow controller. IEEE Transactions on Power Delivery, 13(4), 1348-1354. https:// doi/10.1109/61.714507
[9]. Jianjun, G., Dianguo, X., Hankui, L., & Maozhong, G. (2002, April). Unified power quality conditioner (UPQC): the principle, control and application. In Proceedings of the Power Conversion Conference - Osaka 2002 (Vol. 1, pp. 80-85). IEEE. https://doi/10.1109/PCC.2002.998518
[10]. Kannan, S., Jayaram, S., & Salama, M. M. A. (2004). Real and reactive power coordination for a unified power flow controller. IEEE Transactions on Power Systems, 19(3), 1454-1461. https://doi/10.1109/TPWRS.2004.831690
[11]. Chesteen B., Marina, M., Massoud A., & Iqbal A. (2015). Dynamic voltage restorer for voltage sag mitigation in oil & gas applications. In IEEE First Workshop on Smart Grid and Renewable Energy, Doha, Qatar.
[12]. Ahmed S., Al-Hitmi M., Iqbal A., Rahman K., & Ashraf I (2020). Low switching frequency modulation of 3x3 matrix converter in UPFC application using differential evaluation method. International Transactions on Electrical Energy Systems, 30(1).