Power transformer failures: Sutf6-03 Case study at Uhe Samuel. Research, Society and Development, [S. l.], v. 10, n. 6, p. e18510615460, 2021. DOI: 10.33448/rsd-v10i6.15460. Disponível em: https://rsdjournal.org/rsd/article/view/15460. Acesso em: 5 dec. 2025.