“Simulation Study of UPQC and Active Power Filters for a Non-Linear Load”, Int. J. Curr. Eng. Technol., vol. 5, no. 1, pp. 375–384, Feb. 2015, Accessed: Apr. 12, 2026. [Online]. Available: https://ijcet.evegenis.org/index.php/ijcet/article/view/1927