This study explores the use of TCSC technologies to improve the interaction between AC lines and VSC-HVDC links that form a parallel circuit. The purpose of this connection is the reinforcement of transmission paths that will facilitate the integration of new wind generation, such as the Dogger Bank, to the UK mainland electrical network. (C) 2014 Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/).