Elnizar, Hendri, Herri Gusmedi, and Osea Zebua. “Analisis Rugi-Rugi (Losses) Transformator Daya 150/20 KV Di PT. PLN (Persero) Gardu Induk Sutami ULTG Tarahan”. Electrician : Jurnal Rekayasa dan Teknologi Elektro 15, no. 2 (May 6, 2021): 116-126. Accessed January 15, 2026. https://www.electrician.unila.ac.id.121-50-32-50.cpanel.site/index.php/ojs/article/view/2197.