Y. Mochinaga, Y. Akatsuka, K. Arai, and M. Ono, “ Development of three-winding transformer for shinkansen auto-transformer feeding system receiving extra high voltage,” The Institute of Electrical Engineers of Japan, Vol. 111-d, No. 3, pp. 237–244, 1991.
 T. H. Chen and H. Y. Kuo, “Network modeling of traction substation transformers for studying unbalance effects,” IEE Proceedings Generation, Transmission and Distribution, Vol. 142, No. 2, pp. 103–108, March 1995.
 H. Erfanian and W. Xu, “An investigation on the effectiveness of Scott transformer on harmonic reduction, power and energy society general meeting - Conversion and delivery of electrical energy in the 21st century,” 2008 IEEE, pp. 1–4, 20–24, July 2008.