三峡—上海直流输电工程系统调试总结

Summary of Commissioning Test for HVDC Power Transmission Project from Three Gorges Hydropower Plant to Shanghai

总结了三峡—上海(三沪)直流输电工程系统调试全过程。介绍了系统调试情况,在试验过程中,一次和二次设备运行良好,二次控制保护设备的功能得到了验证;直流系统的起动/停运、常压运行、降压运行、额定负荷和过负荷运行试验中,直流控制保护功能及冷却系统等设备的控制保护功能正常;分析了系统调试过程中单项测试结果,根据设计规范和相关标准给出了试验结论;最后总结了系统调试过程中发现和解决的主要技术问题,系统调试技术创新点以及系统调试经验。为以后直流输电工程的建设提供经验借鉴。

The overall process of commissioning test for HVDC transmission project from Three Gorges Power Plant to Shanghai （abbr. 3GS） is summarized and the commissioning circumstances of the HVDC system are presented. During the commissioning test, the primary and secondary equipments operate well and the functions of control and protection devices are validated. During the start and stop of HVDC system, the operation under normal voltage and reduced voltage and the operation of 3GS HVDC project under rated load and overload, the functions of control and protection devices and that of cooling system are normal. The single item testing results during the system commissioning are analyzed, thus based on design specification and relevant standards the test conclusions are given. Finally, the principal technological problems that are found and solved in the commissioning of 3GS HVDC project, the innovation for system commissioning and the experiences from the commissioning test, which are available for reference to the commissioning of HVDC transmission projects in future, are summarized.