G. Subramaniam, S. Pradhap, M. Raja, M. Ramkumar,. “Smart Transformer Based Control for Single-Phase to Ground Fault Using Proteus.”. International Journal of Advanced Science and Technology, Vol. 29, no. 08, June 2020, pp. 2324 -33, https://sersc.org/journals/index.php/IJAST/article/view/23400.