著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) K. Fujii and Tokuo Ohnishi,Line voltage sensorless three phase PWM converter by tracking control of operating frequency,Proceedings of Power Conversion Conference - PCC '97,,IEEE,2002-11-23,1,,247-252,https://cir.nii.ac.jp/crid/1870865118033090432,https://doi.org/10.1109/pccon.1997.645620