1) external conversion fault
区外转换故障
2) Conversion fault
故障转换
4) the failure outside of the region
区外故障
1.
Analysis of the main transformer differential protection misoperation for the failure outside of the region;
一次主变区外故障差动保护误动的分析
5) transferring fault
转换性故障
1.
But how to unblock the differential protection rapidly for the transferring fault from an external one to an internal one has become a new problem.
文中提出一种简单的解除闭锁的方法,具体做法是,在选定的计算区域,利用变压器两侧电流综合负序分量的最大值与差动电流的综合负序分量进行比较,不仅能准确识别区内、区外故障,而且对于转换性故障也具有较好的识别能力。
2.
Distinguishing the transferring fault is one of difficulties for transformer differential protection.
转换性故障的准确识别是变压器差动保护亟待解决的难题之一。
6) internal faults and external faults
区内外故障
1.
Electric power transient signal analysis is the basis of realizing transient based protection, In order to ensure protectors correct operation, it’s necessary for finding an appropriate right quantum to detect kinds of faults and differentiate internal faults and external faults.
电力系统暂态信号的分析是暂态保护得以实现的基础,为保证保护装置准确动作,必须找到一个合适的普适量,以检测故障并区分区内外故障。
补充资料:区外
1.域外,远方。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条