Enhanced Security-Constrained OPF With FACTS Devices Berizzi, A. ; Delfanti, M. ; Marannino, P. ; Pasquadibisceglie, M. S. ; Silvestri, A. Abstract Publication: IEEE Transactions on Power Systems Pub Date: August 2005 DOI: 10.1109/TPWRS.2005.852125 Bibcode: 2005ITPSy..20.1597B