协同转型与安全谋划未来电网格局

Group 1: Core Perspectives - The construction of a new power system in China is accelerating, with significant advancements in renewable energy becoming the main power source and increasing electrification in end-use consumption [1][2] - The development of the power grid must balance various relationships, including the structure of the grid, support from power sources, and the integration of renewable and traditional energy sources [1][4] Group 2: Trends in Power Development - The new power development emphasizes three trends: electrification on the consumption side, cleanliness on the production side, and wide-area configuration on the distribution side, which are crucial for achieving economic growth and carbon neutrality goals [2][3] - By 2030, China's electricity consumption is expected to reach approximately 13 trillion kilowatt-hours, and by 2050, it may reach around 19 trillion kilowatt-hours [2] Group 3: Role of the Power Grid - The power grid plays a critical role in the safe and efficient utilization of renewable energy, especially given the geographical mismatch between energy resources and consumption centers [3][4] - The development of large-scale renewable energy bases necessitates a robust grid capable of long-distance and high-capacity transmission to meet demand in consumption centers [3][7] Group 4: Challenges in Grid Transformation - The transition to a new power system presents significant safety challenges, as the traditional controlled system is disrupted by the variable nature of renewable energy sources [4][5] - The increasing complexity of grid fault characteristics requires a systematic approach to planning, construction, and operation to mitigate risks [4][5] Group 5: Future Development Considerations - Strengthening the receiving end of the grid and optimizing the main grid structure is essential for maintaining power supply stability [5][6] - The integration of distributed energy resources and the development of microgrids can enhance the self-balancing capabilities of the grid [6][8] Group 6: Technological Innovations - Innovations in long-distance, high-capacity, and safe DC transmission technologies are crucial for improving the reliability of transmission channels [8][9] - The development of controllable units and the optimization of existing power generation facilities are necessary to enhance grid flexibility and stability [9]