摘要
通过模拟试验和ＥＭＴＰ数字仿真对发电机机端电压互感器三次谐波电压产生的原因、分布、大小等作了详细的分析，并指出它对以三次谐波为判据的定子接地保护可能产生的影响。
A detailed analysis on cause of tertiary harmonic voltage formed at generator end PT,its distribution and amplitude through a simulating test and EMTP digital simulation is carried out and the influence of the tertiary harmonic roltage on the stator′s grounding protection which uses tertiary harmonic voltage as the criterion for action.
出处
《华东电力》
1999年第7期28-30,共3页
East China Electric Power
