摘要
针对中性点不接地系统中的单相接地故障,可以采用7SJ68综保装置的灵敏接地故障保护。本文详细分析了这种保护配置存在的问题,提出了合理的改进思路,并给出具体的实施方案,同时现场验证了其应用效果。
For the single phase earth fault in neutral non-grounded power system, the sensitive earth fault protection can be used in the 7SJ68 relay protection device. This paper analyzes the problems existing in the protection configuration, puts forward the reasonable improvement ideas, gives the specific implementation plan, and at the same time, verifies its application effect in the field.
出处
《电气技术》
2017年第6期140-143,共4页
Electrical Engineering
