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Single-phase earthing line selection based on first-harmonic current injection 基波电流注入法实现的单相接地选线
earthing line selection 接地选线
This is a earth line rather than a live line. 这一根是零线而不是火线。
Many methods of fault line selection have been excogitated. 国内外已经研究出许多选线技术，以基频或谐波零序电流电压为特征的选线方法，受线路参数、过渡电阻和消弧线圈等因素的影响效果并不理想。
FU Zhou-xing, WAN Geng.Methods of Fault Line Selection for Single Phase to Earth Fault in Networks with Ungrounded Neutral[J].Low Voltage Apparatus,2002,(3):43-47. [2]傅周兴;万耕.;小电流接地系统单相接地故障选线方法[J]
Anti-static foot grounder avoids the earthing line when walking in the range of conductive area and is the best choice of workshop and garage. 接地脚环没有接地线的牵绊，可自由行走于导电地垫范围内，是机动性高的工作室或仓库的最佳选择。
And described the magnetic core selection and wind line selection and how to make it. 对设计时必须考虑的磁心选用、绕组选材以及绕制进行了描述。
The equipment should be provided with independent earth line and its resistance to the earth should be less than 4 ohm. 本设备必需具备独立地线，其接地电阻要小于4欧，切不可将水管或建筑物钢筋作地线。
This paper discusses technical line selection,design planning for methanol production from cal-bed gas by non-catalytic transforming and its techn... 本文对技术方案选择、回收煤层气非催化转化制甲醇设计规划与技术经济进行了论述。
The principle is that the earthing line in socks will remove static of body through earthing foot grounder, conductive mat and the earthing line.So the earthling line must contact with skin. 其原理为透过置于袜子内的导电线带，将人体的静电经由接地脚环、导电地垫、接地线排放至大地上，故导电线带需确实与皮肤接触。
A new decentralized fault line selection installation based on transient analysis and fault recording technology is given. 给出了一种利用暂态量分析和故障录波技术的分散式新型选线装置的设计。
Method of additional diagnostic signal is valid for faulty line selection and fault point location in MV/LV distribution systems. 外加诊断信号法检测中低压配电网单相接地故障是一种行之有效的故障选线和定位方法。
Aiming at the criteria based on comparing amplitude for fault line selection, a new criterion based on discernable matrix was proposed. 针对电气量的幅值比较选线原理,提出了基于可辨识矩阵的幅值比较选线判据。
In a cafeteria, you walk through a line selecting your meal as you go along. 在自助餐馆，你排队向前走，边走边选取吃的东西。
Comparing among device experiment results from RTDS simulation and field experiment,the RTDS model and line selection was optimized.It proves that the model is correct. 比对RTDS试验和选线装置现场试验数据和选线结果,优化设计RTDS模型和选线系统,证明了所建模型正确性。
SHU Hong-chun, XAO Bai.A Transient-based Study of Fault Line Selection for Single-phase Faults on Distribution System.Automation of Electric Power Systems, 2002, 26(21): 58-61. [8]束洪春;肖白.;配电网单相电弧接地故障选线暂态分析法
The structure and lining selection of the vinyl chloride foaming column are recounted emphatically. 着重叙述了氯乙烯泡沫水洗塔结构及衬里的选择。
Look at those people standing in the long line selecting the food from the counter. 看那些人排长队在柜台前挑选食物。
Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
ATP simulation results indicate that this fault line selection method is not influenced by such factors as the transient characteristics of the fault, fault resistance, length of the faulted line etc. 利用所提方法做了大量的仿真试验，结果表明，该选线方法不受暂态过程、故障点过渡电阻、线路长度等因素的影响，可以正确选线。