Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kohno Hirotoshi and Nakajima Tatsuhito and Yokoyama Akihiko,Power System Damping Enhancement using Unified Power Flow Controller (UPFC),IEEJ Transactions on Power and Energy,03854213,The Institute of Electrical Engineers of Japan,1999,119,3,344-353,https://cir.nii.ac.jp/crid/1390282679582831104,https://doi.org/10.1541/ieejpes1990.119.3_344