飞来峡水电厂连续出现轴电流故障跳闸原因分析及处理措施

Analysis of causes and solution for successive trips from shaft current failure at Feilaixia HPP

分析轴电流产生的原因,指出其危害。简介飞来峡水电厂灯泡贯流式机组轴电流防止与保护装置,针对该水电厂连续出现轴电流故障跳闸情况,分析其原因,提出相应的预防措施和建议。

Analysis was made on the causes for and damage from shaft current. A brief introduction was made on the shaft current prevention and protection device of bulb turbine generator units of Feilaixia Hydropower Plant. In regard to the successive trips from shaft current failure occurred at Feilaixia HPP, the author analyzed the causes and put forward corresponding prevention measures and suggestions.