This book includes original, peer-reviewed research papers from the 7th PURPLE MOUNTAIN FORUM on Smart Grid Protection and Control（PMF2022), held in Nanjing, China， on August 14-15, 2022. The accepted papers cover the following topics:1. Advanced power transmission technology2. AC/DC hybrid power grid technology3. Power Internet of Things Technology and Application4. Operation, control and protection of smart grid5. Active distribution network technology6. Power electronic technology and application7. New technology of substation automation8. Energy storage technology and application9....