Intelligent dynamic compensation module is an intelligent dynamic reactive power compensation system composed of intelligent measurement and control unit, high-power thyristor switch, intelligent protection unit, network unit, display unit, low-voltage self-recovery unit, power capacitor, and air-cooling unit. The product has the characteristics of modularization, standardization and maintenance-free. It has the functions of fast zero-switching, hierarchical compensation, over-current, over-voltage overheating protection, fault self-diagnosis, communication signal to show on-line and so on.