MUSTOFA ACHYAR; HARIS GUNAWAN; MUHAMMAD ERPANDI DALIMUNTHE. Power Supply System Reliability Analysis at the TVRI Transmitter Station Sibolangit Uses UPS 40 kVa and 250 Kva. Jurnal Info Sains : Informatika dan Sains, [S. l.], v. 16, n. 02, p. 280–290, 2026. Disponível em: https://ejournal.seaninstitute.or.id/index.php/InfoSains/article/view/8416. Acesso em: 20 jun. 2026.