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1)  fault section
故障区段,障碍区间,障碍区段
2)  fault section
故障区段
1.
As the distribution lines are found faulty,the fault section must be located between two breakers.
馈电线路发生故障时,故障区段必然位于两个相邻负荷开关之间的线路上,通过馈线终端单元采集故障信息上报SCADA系统,得到负荷开关上馈线终端的有关故障信息序列,利用故障信息进行故障区段定位。
2.
In this paper, one kind of new fault locating method based on the fault component combining with fault section locating method are presented by summarizing all kinds of fault locating methods in exist, and using TWACS to detect fault of distribution lines before.
本文通过总结现有的各种故障定位方法,利用双向工频通信技术检测配电网故障,提出了故障区段定位法和基于故障分量的阻抗法相结合的双端故障定位方法,来确定故障点。
3.
The second one is based on the wide-area measurement technology,and the current protection at the exit of the first line is combined with the direction information detected by the directional elements at the terminations of the lines to exactly distinguish the fault section,ensure the upper protection\'s selectivity and rapidity.
提出了2种含DG配电网的馈线保护新方案:一种方案是在现有方向电流保护的基础上,将DG上游每条馈线保护的Ⅰ段与其下一级馈线保护的Ⅰ段构成一个通信单元,依据新的整定原则及两级保护动作结果的综合判断将故障快速地隔离在最小范围内;另一种方案是利用广域网将每条线路末端方向元件检测到的功率方向信息和DG上游第1条出线上装设的电流保护的区段判别结果结合起来,精确地区分故障区段,保证上游保护的选择性和快速性。
3)  obstacle area
障碍区
1.
The algorithm traces safety sea contour and obtains obstacle areas, and then creates intelligently the shortest route by comparing spatial relations of line segments and obstacle areas.
通过追踪安全等深线,获取障碍区,然后测试线段与障碍区的空间关系来智能地搜索最短路径。
2.
Safety contours were traced,obstacle areas were computed,and navigable areas were acquired.
通过追踪安全等深线和处理障碍区,得到可航渡区域。
4)  Water hazard
水障碍区
5)  Possible Obstacle Area
可能障碍区
6)  cataract free zone
无白内障障碍区
补充资料:恒电位区段法
分子式:
CAS号:

性质: 一种可以用肉眼观察的测量孔蚀特征电位的方法。将一根长约1m的不锈钢丝试样安装在一根长玻璃管内,管内充满氯化物溶液。不锈钢丝上通以恒定直流电流产生电压降。玻璃管内放入辅助电极(与钢丝平行),在玻璃管内远离通电正端的另一端放入参比电极。将该端的电位控制在某一数值,则不锈钢丝上各点的电位为该电位数值加上钢丝上恒定电流产生的压降。试验后可观察到一段有孔蚀,一段无孔蚀,过渡点的电位即孔蚀电位,可根据该点距放置参比电极的端点的距离所计算的电压降加上控制电位值求得。

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