en.Wedoany.com Reported - The second phase of the 100 Mvar distributed synchronous condenser project at Tibet Julong Copper Mine has completed grid connection commissioning and entered trial operation, becoming the first user-side distributed synchronous condenser project in China. The project is equipped with two synchronous condenser units with a total capacity of 100 Mvar, enabling millisecond-level rapid response to grid voltage fluctuations, providing nearby full-process steady-state, transient, and subtransient voltage support, enhancing grid voltage stability, and ensuring safe and reliable power consumption for users.
State Grid Tibet Electric Power Co., Ltd. developed a detailed startup plan and emergency response measures, simulated various operating conditions, and conducted 32 grid-related tests on the synchronous condensers to comprehensively test and optimize their dynamic response characteristics and regulation performance, ensuring rapid response during grid faults or abnormal conditions. The completion and commissioning of the project has established a standardized and replicable reactive power management solution model, providing a reference for optimizing power supply quality in Tibet's high-energy-consuming industries.
The grid-source structure of Tibet's power system is relatively weak, with conventional power centers and load centers distributed in reverse. With the rapid economic and social development of Tibet, industrial electricity loads continue to rise, and large-scale industrial loads are concentrated in load centers, posing new challenges to power system voltage stability. To address this, State Grid Tibet Electric Power Co., Ltd. conducted research on measures to enhance dynamic voltage support capability in load centers, proposed a plan to deploy distributed synchronous condensers on the industrial user side, and conducted in-depth feasibility studies in collaboration with Julong Copper Mine, ultimately deciding to install distributed synchronous condensers for the first time at the user's plant site.
The project underwent stages including simulation verification, scheme review, on-site commissioning, and grid connection testing, and was completed and put into operation simultaneously with the second-phase power supply project of Julong Copper Mine. During the grid integration system design phase, State Grid Tibet Electric Power Co., Ltd. comprehensively considered factors such as grid structure and load characteristics, scientifically evaluating and optimizing the integration plan. During the grid connection acceptance phase, a professional team conducted comprehensive inspections and tests on the equipment performance, protection configurations, and communication systems of the synchronous condenser units in accordance with relevant standards and specifications.
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