At 24:00 on June 30, the Longquan Converter Station has realized Three Gorges power transmission over 1.1 billion kWh that month. As the first overall transformation project for the localization of the DC control and protection system of the State Grid, the Longquan Converter Station experienced multiple tests, such as high temperature, heavy rain and high load since it was replaced with the “Chinese brain” at 13:00 on May 31. The operation is the very stable, declaring that it already got rid of the dependence on foreign control and protection system. (Reporter Wan Longyun, correspondent Tang Dongjun)