Durga R CH Nookesh , M Vamsi Sri. “Design and Implementation of a Modular Multilevel Inverter With FACTS Capability for Wind and PV Systems”. International Journal of Emerging Trends in Science and Technology, Vol. 2, no. 12, Dec. 2015, pp. 3376-8, https://igmpublication.org/ijetst.in/index.php/ijetst/article/view/962.