• Isolation stage for power electronic transformer : dual active bridge vs bi-directional current doubler rectifier [Electronic resource]Beldjajev, Viktor; Roasto, Indrek; Zakis, JanisSPEEDAM 2012 : Sorrento (Italy) - June 20-22, 2012 : 21st edition of the International Symposium on Power Electronics, Electrical drives, Automation and Motion2012 / p. 849-854 : ill [CD-ROM] https://ieeexplore.ieee.org/document/6264545