Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kaoru Koyanagi and Ryuichi Yokoyama and Y. Takemoto and Goro Fujita and Toshihisa Funabashi and K. Hasegawa,Experimental Study on Rotary Frequency Converter,"Proceedings of the 13th International Conference on, Intelligent Systems Application to Power Systems",,IEEE,2006-03-21,,,385-390,https://cir.nii.ac.jp/crid/1872835442878330496,https://doi.org/10.1109/isap.2005.1599294