Vinod Kumar, P., and Khyati Mistry. “Application of Directional Relay in an Ungrounded Power System to Locate Single Line to Ground Fault”. Power Research - A Journal of CPRI (October 1, 2011): 161–170. Accessed April 28, 2024. https://node6473.myfcloud.com/~geosocin/CPRI/index.php/pr/article/view/938.