Core Insights - As of August 25, Guangxi's installed capacity of wind and solar energy reached nearly 52 million kilowatts, with the proportion of grid-connected capacity exceeding 50%, highlighting the increasing impact of renewable energy on the safety and stability of the power system [1] Group 1 - The Southern Power Grid Guangxi Electric Power Research Institute, in collaboration with the Nanjing Branch of the China Electric Power Research Institute, has developed a "Remote Testing and Online Monitoring System for the Network Performance of Renewable Energy Stations" to address industry challenges such as low testing efficiency and inaccurate performance evaluation [1] - The system features an intelligent design based on "one machine with multiple energies," integrating grid fault simulation, data collection, real-time computation, and intelligent analysis, achieving efficient, precise, and real-time evaluation of renewable energy network performance [1] - The system has two main advantages: it allows remote testing to free up testing personnel's time and space, enabling one-click testing and evaluation of core functions like frequency modulation and automatic voltage control for wind and solar energy stations [1][2] Group 2 - The system has been successfully deployed and is currently in trial operation at the Sixjing Photovoltaic Power Station of the State Energy Group, with all functions performing well [2]