Development of an optical sensor prototype for measuring oil parameters for transformers. Research, Society and Development, [S. l.], v. 9, n. 10, p. e3099108273, 2020. DOI: 10.33448/rsd-v9i10.8273. Disponível em: https://www.rsdjournal.org/rsd/article/view/8273. Acesso em: 6 dec. 2025.