拉萨换流站系统调试极闭锁分析

Analysis during Commissioning of Pole-blocked in the Lhasa Converter Stations

针对新建±400kV拉萨换流站站系统调试试验中出现的系统故障引起极闭锁原因进行了分析,给出了录波,针对故障所暴露的问题,提出了相应的防范措施,为今后直流系统的运行及维护提供了技术参考和经验。

During the station system commissioning in the ±400 kV Lhasa converter stations, there appeared the pole blocked caused by system fault which is analyzed , the wave chart some resolving methods are given amied at the questions exposed. It provides some tives, for reference to the operation and maintenance of DC protection system in the are shown, and relevant preven- future.