Ren Chong has been engaged in power system stability analysis and dispatching operation control for a long time since he joined the work. For more than ten years, he has paid attention to the close combination of basic theory and practice, assiduously studied the practical problems encountered in large power grid operation control, safety and stability analysis, new equipment startup, source network coordination, etc., and accumulated relatively rich work experience. He has been engaged in large power grid operation control, major project construction, scientific research New energy consumption and other aspects have made great contributions.