RANKIS, I.; ZHIRAVECKA, A.; BUNINA, I. Investigation of the Input Unit of Frequency Converter. Electrical, Control and Communication Engineering, Riga, Latvia, v. 25, n. 25, p. 123–126, 2009. DOI: 10.2478/v10144-009-0026-y. Disponível em: https://ecce-journals.rtu.lv/ecce/article/view/v10144-009-0026-y.. Acesso em: 5 nov. 2024.