同步相量测量系统在龙滩水电站的应用

Application of Phase Measurement System in Longtan Hydropower Plant

介绍龙滩水电站基于GPS同步时钟的PMU子站系统配置方案、功能及PMU装置在龙滩水电站的应用情况。针对3号机组在开机同期并网过程中冲击电流较大的现象,借助PMU装置记录的波形数据进行了分析,并对机组相关运行参数进行了优化。优化后冲击电流明显变小。PMU装置在龙滩水电站的应用情况可为类似工程提供借鉴。

The configuration scheme and function of the PMU substation system based on GPS synchronous clock and the application of PMU device in Longtan hydropower plant are introduced. The phenomenon of large impulse current during the start up and synchronization process of No.3 unit is analyzed by using the wave data recorded by PMU device. Relevant operation parameters of the unit are optimized. The impulse current is reduced obviously after the optimization. The application of PMU device in Longtan Hydropower plant can provide reference for the similar project.