Revista Eletrônica de Engenharia Elétrica e Engenharia Mecânica

R4EM v.7, n.1, 2025, this edition features four new articles, featuring research in electrical and mechanical engineering, with an emphasis on energy efficiency, power systems, alternative energy sources, and simulation. The articles address interesting topics developed by authors from Fatec, UFERSA, and INPE. The complete 11th Edition (v.7, n.1, 2025) of R4EM can be accessed here.