The single-phase-to-earth fault in the system takes place frequently.
在这类系统中，发生最多的是单相接地故障。
A new measurement method of one-phase-earth fault current was proposed.
提出了一种“接地”电流的测量方法。
An earth fault distance relay based on the combined sequence components is presented.
提出一种用零序分量做动作量，负序分量做制动量的综合序分量接地距离继电器。
The earth fault protection and protective electric devices of TT and TN system and the application conditions were analyzed.
分析了TT和TN系统的接地故障保护和保护电器及其应用条件。
The structure, work principle and field application of a monitoring system for earth fault in non-solidly earthed network are presented.
介绍一种小电流接地故障监测系统的构成、工作原理及现场应用情况。
The protection for earth fault line selection and fault point location by S injecting current in neutral isolated power system is presented.
介绍了基于“S注入法”的小电流接地系统单相接地故障选线定位保护。
The principles of using signal injection method to detect single-phase earth fault of distribution network at present are compared and analyzed.
对目前配网采用信号注入法检测单相接地故障的原理进行比较分析。
Low current earth system goes wrong, and type of failure of the maximal odds is Single-phase earth fault, which occupies 80 percent of all fault time.
单相接地故障是小电流接地系统发生几率最高的故障类型，约占所有故障次数的80%。
This paper analyzes the influences of shaft voltage absorbing circuit and brush touching resistance on the performance of generator rotor earth fault protection.
分析了轴电压吸收回路以及接地碳刷与大轴间接触电阻对发电机转子接地保护的影响，并分别提出了相应的对策和注意事项。
Based on the characteristics of TMS320LF2407, this paper presents the application of DSP to single earth fault selection device with small current grounding system.
根据TMS320 LF 2407的特点，介绍了DSP在小电流接地系统单相接地选线装置中的应用。
This text expatiated the principles of setting and methods of design of earth fault fire alarm system, and introduced the applications of system in some Olympic venues.
本文阐述了漏电火灾报警系统的设置原则和设计方法，并简单介绍了部分奥运场馆的应用情况。
By employing the DC earthed protection theory, this paper analyzes the characteristics of the converter transformer earth fault and the influence of converter commutation.
在简要介绍直流接地过流保护原理的基础上，分析了换流变阀侧接地故障的故障特征以及换流阀换相过程对故障电流的影响。
To avoid happen failure or remove hidden trouble as soon as possible, Single-phase earth fault of low current earth system is analyzed and discussed in-depth in this text.
为了避免故障的发生或故障后尽快消除隐患，本文就小电流接地系统单相接地故障进行了深入的分析与论述。
It is immune from the unbalanced status of network and the values of earthed resistance. To the complicated intermittent arc-earth fault, the proposed method also works well.
该方法不受电网平衡情况和接地电阻大小的影响，对复杂的间歇性电弧接地故障同样有效。
Several different protection ways for earth fault are introduced and discussed from earth-fault protection, zero-sequence protection, residual current protection and other aspects.
介绍了接地故障保护的几种不同方式，从接地故障保护、零序电流保护、剩余电流保护等方面进行了论述，指出只有与等电位联结相结合，才能完善保护作。
Using transient traveling waves generated by fault to locate single-phase earth fault or short circuit fault in distribution feeders mixed with overhead lines and cables is proposed.
该文提出利用线路故障产生的暂态行波实现配电架空线、电缆混合线路单相接地及相间短路故障测距，分析了故障初始行波模分量的暂态特征。
Digital transformer differential protection may falsely take effective when external single-phase earth fault occurs at star side or the line endures lightning strike on single phase.
数字式变压器差动保护在星形侧发生外部单相接地或线路单相遭雷击的情况下，差动保护有时会误动。
When single-phase-to-earth fault occurs on a neutral non-direct grounded power system, it is nexessary for improving the reliability of power supplying to select the faulted line quickly.
中性点非有效接地配电网发生单相接地故障时，尽快选出故障线路对提高电网的供电可靠性有重要意义。
When an one-point or multi-point earth fault occurs, the monitor can quickly detect the serial number and polarity of the branch circuit earthed, and meantime give alarm to the operator on site.
在直流系统发生一点或多点接地时，该装置能迅速检查发生接地的直流支路编号及接地支路的极性，同时报警提示现场运行人员。
In this paper a novel intelligent distribution equipment we developed is presented, mainly for suppressing arc in the resonant grounding distribution networks and detecting the earth fault line.
介绍了我们研制的一种新型智能配电设备用于配电网中性点谐振接地系统中快速消弧并对故障线路选线。
Then it introduces the rotor earth fault monitoring based on the method of resistance bridge with source, and the interturn short circuit fault monitoring in generator rotor based on stator coil.
随后介绍采用基于有源电阻电桥进行转子接地短路故障监测与采用微分探测法进行转子匝间短路故障信号。
So it is necessary to find some ways for the fault location detection. In the phase-to-earth fault power system, the value of zero-sequence impedance is directly related to the earth conductivity.
这样就降低了供电可靠性，故找出一种新思路使其能更准确有效地判断故障点具有重要意义。
In this paper, the method based on the combination of wavelet transform and BP neural network is presented to realize fault location for the single-phase-to-earth fault in non-direct-ground systems.
提出一种基于小波变换与BP神经网络相结合的方法来实现小电流接地系统单相接地故障定位。
Second, the fault responsible for the 2010 Chiliean earthquake dips into earth at a slightly steeper Angle than does the fault responsible for the 2004 Sumatran earthquake.
第二，造成2010年智利地震的断层比2004年苏门答腊地震冲入地球的角度深那么一点点。
The fault that caused the Chilean quake also dips into the Earth at a steeper angle, which meant it moved more mass.
智利地震震源和地球轴心线的角度更加小，也产生了更大规模的板块移动。
However, thus far the earth has not shown us any means by which to tell that an earthquake is about to occur, or that a fault is ready to snap.
但是迄今为止，我们还没有方法能够预知地震马上要发生或地壳的缺陷将要突然断开。
The first prediction model looks like the earthquake fault, those crusts in the earth cruse, define what is known as size M.
首先第一种模式看上去很像地震故障，在地球表面被撞击开来，为了发现地震的震级是多少。
In order to reduce the power cut off which caused by electric shock accident and earth-fault power cut off, it must install residual current operated protective device.
低压供用电系统中为了减少发生人身电击事故和接地故障切断电源时引起的停电，必须加装剩余电流动作保护装置。
In order to reduce the power cut off which caused by electric shock accident and earth-fault power cut off, it must install residual current operated protective device.
低压供用电系统中为了减少发生人身电击事故和接地故障切断电源时引起的停电，必须加装剩余电流动作保护装置。
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