China Electric Power Research Institute, Beijing 100192, China

For the demand of security and stability analysis of power systems with high proportion of power electronic equipment, firstly, the current situation of single unit modeling and cluster modeling of power electronic equipment is described, and the technical principles and applicability of different modeling methods are analyzed. Secondly, the principle and application status of different simulation technologies such as electromechanical transient, electromagnetic transient, hybrid electromechanical-electromagnetic transient, and digital-analog hybrid are introduced. Then, the modeling and simulation technology challenges facing the future large-scale renewable energy integration scenario are analyzed. Finally, the development trend of modeling and simulation technology for power systems with high proportion of power electronic equipment is prospected, and the key technical directions are put forward, such as refined modeling on power supply side and load side, full electromagnetic transient simulation of the large power grid, cloud simulation based on high-performance computing, multi-means collaborative simulation analysis.