Modelling and Dynamic Analysis of Offshore Wind Farms According to the French TSO Grid Code

Offshore wind farms are growing rapidly in the North Sea, being installed at more distant locations and becoming larger in size. The French government has the ambition to build 6 GW of offshore wind farms by 2020. Dynamic analysis for the integration of these farms to follow such ambitious plans has to be carefully performed to ensure system security. Through this article, a proposed reference offshore wind farm has been defined and modelled. An interconnection study has been realized based on ENTSO-EI offshore requirements and French Transmission System Operator (TSO) current requirements. The transmission system, which considers an AC submarine cable, has an important impact when fulfilling grid code requirements. Finally, using the IEEE 14-bus power system which integrates the reference offshore wind farm, stability studies have been also carried out.