Md Sani, Fatin Nazirah, and Dirman Hanafi Burhannuddin. “15 KVA, 11kV 400V Transformer Winding Fault Detection Using Sweep Frequency Response Analysis (SFRA)”. Evolution in Electrical and Electronic Engineering 2, no. 2 (November 15, 2021): 547–560. Accessed July 18, 2024. https://penerbit.uthm.edu.my/periodicals/index.php/eeee/article/view/4578.