桥巩水电站5号机组盘车转轮反转原因分析

Cause Analysis of Turning Runner Reversal of Unit 5 in Qiaogong Hydropower Station

针对桥巩水电站5号机组盘车时转轮出现反转的情况,通过开展机组稳定性试验,分析试验结果以及机组动平衡,得出机组盘车时转轮反转及运行振动偏大的原因,为机组安全稳定运行提供依据。

In view of the reversal of the runner during the turning of the Unit 5 in Qiaogong Hydropower Station the stability test of the unit is conducted the test results and the dynamic balance of the unit are analyzed and the reasons for the reversal of the runner and the large vibration of the unit are obtained which provides a basis for the safe and stable operation of the unit.