The grid cage is a smart energy hub for photovoltaic power plants, integrating intelligent monitoring, safety protection, and efficient conversion. Built in chip real-time analysis of power generation and grid data, millisecond level optimization of power transmission, ensuring stable grid connection of clean electricity. Multiple security protection mechanisms (overvoltage/backflow prevention/intelligent lightning protection) are in place to safeguard the system's security 24/7. Coupled with a remote management platform, users can check the power generation efficiency at any time.