青海研发的储能系统入选“国字号”名单

Group 1 - The "35 kV high-voltage direct-connected grid-type energy storage system" project led by State Grid Qinghai Electric Power Company has been recognized in the fifth batch of major technological equipment in the energy sector, indicating a significant advancement in the development of new energy systems and storage technologies in Qinghai Province [1][2] - The project has completed its development and is now ready for engineering application, receiving national-level recognition for its technological capabilities [1] - Since the 14th Five-Year Plan, Qinghai Province has seen rapid growth in renewable energy, with the installed capacity of renewable energy reaching 73%, leading to challenges in grid stability due to high proportions of renewable energy and power electronic devices [1] Group 2 - The system features several key technological breakthroughs, including a complete design scheme for the 35 kV high-voltage direct-connected energy storage system, advanced grid frequency and voltage control methods, and a self-adaptive virtual energy balancing method for high-voltage cascading energy storage [2] - The energy storage control system developed allows for multi-time scale and multi-objective control, enhancing energy management and power coordination [2] - The successful development and application of this system at the Baoku Energy Storage Power Station in Haixi Prefecture, Qinghai Province, is expected to significantly improve the grid's capacity to absorb new energy and drive technological innovation across the entire energy storage industry [2]