D. B. de Alvarenga, M. B. Meier, R. Gules, A. A. Badin, and E. F. R. Romaneli, “Double Modulation Applied to a High Power Factor Rectifier with High Frequency Transformer for Ups Application”, Eletrônica de Potência, vol. 23, no. 1, pp. 47–58, Aug. 2017.