Jung J. H., Seo B. G., Keun C. K., Nho E. C., Kim I. D., Kim H. G., Chun T. W., 2014,
                           New soft-switching method of 3-phase interleaved bidirectional DC-DC converter for
                           battery charging and discharging, Journal of Power Electronics, Vol. 19, No. 4, pp.
                           383-390
