Group 1 - The "Coordinated Intelligent Operation and Maintenance System for Converter Stations" developed by State Grid Economic and Technological Research Institute won the gold award at the 50th Geneva International Exhibition of Inventions, highlighting a breakthrough in the intelligent transformation of China's power industry [1] - The rapid growth of DC transmission equipment in China necessitates a shift from traditional manual operation and maintenance to a digital transformation approach, addressing the challenges of managing high-voltage direct current (HVDC) equipment throughout its lifecycle [2] - The company has established a digital foundation by breaking down data barriers among over 20 operation and maintenance subsystems, utilizing a technical architecture that includes "scene twin, cloud-edge collaboration, and ecological openness" [2] Group 2 - Significant breakthroughs in core technologies have been achieved, including adaptive transmission of unstructured data and a 80% improvement in the stability of multi-dimensional monitoring data transmission efficiency under limited resources [3] - The development of a centimeter-level precision 3D-GIS digital twin system enables remote inspection of six core equipment areas using intelligent unmanned equipment [3] - The system has been tested in key projects such as the ±800 kV Gusu Converter Station, demonstrating its compatibility with various digital applications through a self-developed open ecological platform [3][4] Group 3 - The system has been iterated to version 4.0 and is now fully applied in 32 converter stations across 17 provinces, significantly enhancing equipment status analysis and proactive warning capabilities [5] - The automatic analysis coverage of core equipment monitoring data has reached 90%, with a 95% coverage rate for Class A inspection points, facilitating the digital and intelligent transformation of power equipment management [5] - This advancement provides a "Chinese solution" for ensuring the safe and stable operation of energy transmission networks [5]