The drawbacks of present statorgroundfaultprotection principle for the small and medium sized generators are pointed out.
指出了现有中小型发电机定子接地保护原理的不足。
2
Based on the analysis of a typical statorgroundfault and its recording data, the protection action is proved to be correct.
通过对一次典型的定子接地故障情况和保护录波数据分析，证明了保护动作行为的正确性。
3
Furthermore, a checkout method for the third harmonic voltage based protection scheme of statorgroundfault in generators is presented based on the verified MLM-FEM coupled model.