Abstract:The establishment of a global energy Internet is an important development direction for large-scale development of new energy and a high proportion of access to the grid. The feasibility and influence of the VSC-HVDC grid across the European AC system is analyzed in this paper. Firstly, the distribution of resource loads in Europe is sorted out, the location and the capacity of the DC converter stations is designed, and DC grid structure is built. Then, based on the electromechanical transient simulation software PSS/E, 51 terminals VSC-HVDC grid is built on the European AC grid. Finally, the stability of the AC grid and the response characteristics of DC grid under multiple scenarios are studied. The simulation results show that the planned VSC-HVDC grid can provide power support, reduce the impact of power fluctuations injected by the converter station, and improve the stability of the European power grid.