对三峡地下电站30号机转子接地保护连续多次动作的行为分析

摘要

The basic principles of rotor ground protection of No .30 unit in underground power station of Three Gorges project are introduced.The fault data of continuous actions during shutdown when carrying out deep water level test and the testing da -ta by finding the fault point with AC method are analyzed in detail , and the final processing results and the operation after the protection verify the previous analysis .%　　介绍了三峡地下电站30号机转子接地保护的基本原理，对该机组在深水位试验期间停机过程中连续多次动作的故障数据及交流法查找故障点的试验数据进行了详细分析，最终的处理结果以及保护之后的运行情况印证了之前的分析。