摘要
为了缩短发电机转子一点接地故障查找时间,保障机组等效可用系数,减少因故障停机造成的电量损失,通过在大型水轮机上真机模拟不同类型的转子金属性一点接地故障,比较各类故障查找方法的有效性、准确性及快速性,从而针对不同类型故障制定最为有效的查找方法。
In order to reduce the detection time for the one-point grounding faults of the generator rotor,improve the equivalent unit availability coefficient and reduce the power loss due to maintenance shutdown,real-machine simulation of the metallic one-point grounding faults of the generator rotor is carried out in large-scale hydro-turbine generator unit.The effectiveness,accuracy and rapidity of various fault detection methods are compared. Then,the most effective fault detection methods are formulated for different type of faults.
引文
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