DGT-801发电机定子接地保护改造及应用

Stator Ground Protection Reform and Application of DGT-801 Power Generator

针对山西漳泽电力股份有限公司河津发电分公司DGT-801系列发电机变压器组定子接地保护在正常运行过程中保护误动作造成发电机跳闸,联掉汽轮机跳闸致使锅炉灭火这一问题进行了分析,找出了原因,提出了解决问题的方案,并进行现场实施,彻底解决了该问题。

In Hejin Branch Company of Shanxi Zhangze Electric Power Co. , Ltd. , the stator ground protection of DGT-801 power generator malfunctioned during normal operation. It caused the generator protection tripping, the steam turbine tripped together, and the boiler turned off. The problem is analyzed, the reasons are found, the solutions are put forward, and the on-site implementation is carried out. Therefore, the problem is completely solved.