Implementasi dan Pengujian Tahanan Isolasi pada Transformator Distribusi 200 kVA di PT. PLN (PERSERO) UP3 Pekanbaru . JIPM [Internet]. 2025 June 28 [cited 2026 Nov. 2];5(3):58-6. Available from: https://www.ejournal.indrainstitute.id/index.php/jipm/article/view/1299