[IEEE 2016 IEEE PES 13th International Conference on Transmission & Distribution Construction, Operation & Live-Line Maintenance (ESMO) - Columbus, OH, USA (2016.9.12-2016.9.15)] 2016 IEEE PES 13th International Conference on Transmission & Distribution Construction, Operation & Live-Line Maintenance (ESMO) - Upgrading the Romanian 400 kV lines with 2 and 3 subconductors per phase to reduce the risk of galloping occurance and the galloping amplitudes by the installation of torsional dampers and detuners, live-line procedures