Modelling Operation and Control of Multiterminal DC Conection for Offshore Wind Farms - DRAGAN, Mircea Viorel; DRAGAN, Cristina Madalina; DRAGAN, Crina Violeta; HANGANU, Doru (The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2009)