MUKHA, A. M. Losses of three-phase traction transformer of increased frequency. Science and Transport Progress , [S. l.], n. 35, p. 81–88, 2010. DOI: 10.15802/stp2010/9101. Disponível em: https://stp.ust.edu.ua/article/view/9101. Acesso em: 4 may. 2024.