Design of a 27-level cascaded converter as FACTS device for voltage sag mitigation.Published in:Australian Journal of Electrical & Electronic Engineering, 2015, v. 12, n. 3, p. 232, doi. 10.1080/1448837X.2015.1092994By:Nikouei, B.;Tan, Nadia M.L.;Taghizadeh, S.F.;Younis, M.A.A.Publication type:Article