Abstract: The power electronization of source-network- load equipment is an important trend and characteristic of the power system development in China. In the operation practice, the unknown mechanism accidents related to the power electronization of equipment occur frequently. It is a major demand to launch out the research on the dynamic issues of the new generation power-electronized power system. Based on the reality of increasing the proportion of power electronic equipment in source-network-load each link, this paper has condensed the new challenges faced by power system stability analysis and control, fault analysis and protection, and put forward the technical roadmap for analyzing and solving the control and protection problems of power system driven by the power electronization. Finally, combined with the practice of power grid operation, the main requirements of basic theory and key technology innovation were put forward, which can provide reference for relevant management departments, R & D institutions and researchers.