M. Dinesh, and Dr. S. Thangalakshmi. “Implementation of UPFC for Voltage Sag Mitigation Using Particle Swarm Optimization”. Journal of Power Electronics and Devices 2, no. 2 (August 11, 2017): 9–16. Accessed February 24, 2025. http://matjournals.co.in/index.php/JOPED/article/view/6505.