The shortage of traditional single-phase ground fault protection principle is pointed out.
指出传统的接地保护原理的不足。
The signal injection method is widely used for automatic selecting fault line in indirectly earthed power system, which has great effect in the system of single-phase ground fault.
注入信号法是一种效果较好的选线方法，其原理广泛应用于小电流接地系统单相接地故障的自动选线。
Through cooperating each other between the generator stator ground protection, it can operate sensitively when single phase ground fault in whole range of generator stator winding occurs.
通过发电机定子接地保护之间的相互配合，在整个发电机定子绕组范围内发生单相接地故障时，发电机定子接地保护均能灵敏地动作。
Can reliably determine, within the community and bounds detection ma level and zero-sequence current phase short circuit fault current, automatic removal of single-phase ground fault and phase fault.
能可靠判断、检测界内与界外毫安级零序电流及相间短路故障电流，实现自动切除单相接地故障和相间短路故障。
The next two segments in the setup phase define the static ground body and the dynamic sphere body.
设置阶段的下两个部分是定义静态的地面和动态的球体。
Northrop Grumman Corporation has been awarded the first phase of a ＄30 million firm-fixed price U.S. Air Force contract to develop a global space surveillance ground radar system.
诺斯罗普·格鲁曼公司已经获得了美国空军第一阶段价值3000万美元的合同，以研发全球空间监视地面雷达系统。
And at the moment Romney has the fervor [excitement] factor over Obama, but Obama has the ground game over Romney so that makes for a very interesting final phase.
目前，罗姆尼在兴奋因素上超过奥巴马，但奥巴马在基础上胜过罗姆尼，这使得最后阶段非常有趣。
Measure each phase metal mask, metal sleeve to ground insulation resistance.
测量每相金属屏蔽、金属套与大地之间的绝缘电阻。
A method for predicting the phase spectra of strong ground motion is presented based on the equivalent dispersion of wave motion and the approach for synthesizing ground motions is then studied.
本文在强震地震波频散研究的基础上，进行了强地震动场相位预测方法和多点地面运动时程合成方法的研究。
The backup relaying system will have first, second, and third zone directional distance relays for protection against phase and ground faults.
后备继电系统将设置第一、第二与第三区方向距离继电器，以防相位故障与接地故障。
When determine whether the three phases are in balance, directly measuring phase residual voltages to ground is proved to be inaccurate.
通过测量各相对地的残压来判定发电机三相是否对称的方法是不准确的。
We find that then - phase state can be either the degenerate ground state or metastable , even unstable state depending on experimental parameters ofbecs.
我们发现依据不同的实验参数，-位相态既可能是简并基态、亚稳态，也可能是非稳定态。
Each alarm kit displays the phase to ground insulation through 15-20 branches of the network.
每台报警显示箱可反映15～20条电网支路的单相对地绝缘状态。
Due to additive relative motion between ground jamming emitters and SAR, the spurious phase modulation of transmission signal is produced.
地面干扰发射机和SAR之间的附加相对运动，产生了传输发射信号的寄生相位调制。
This one phase, the job, life is busy, so should ground of snatch a little leisure from a busy life undertakes taking exercise.
这一阶段，工作、生活繁忙，所以应该忙里偷闲地进行锻炼。
The equipment should be placed on the ground without violent vibration or on the working stage and connected in the power grid of 380v with three phase and four wire.
设备应放置在无剧烈振动的地面或工作台上，接入三相四线380v的电网。
In the second phase, after the mining subsidence is gradually stabilization, we bring into bear different load in the different location of subsiding basin, and we study ground stability with goaf.
第二阶段在开采沉陷基本稳定之后，在沉陷盆地的不同位置施加大小不同的建筑物荷载，研究其地基的稳定性。
When a fault occurs on one phase of a 3-phase, 4-wire system, the other two phases rise in voltage relative to ground (about 20%).
当故障发生在3相4线系统中的一相时，其它两相的对地电压就升高（约升高20%）。 好评（0）
Due to three-phase capacitance to ground, certain voltage exists between the neutral and the ground for a generator with ungrounded neutral.
对于中性点不直接接地的发电机，由于三相对地电容值存在差异，中性点与地之间存在一定电压。
The capacitance to ground of that bit of metal produces a small phase adjustment in the circuit.
小块金属的接地电容在电路中产生小相位调整。
Most faults in power distribution systems are single phase to ground faults.
小电流接地系统发生最多的故障是单相接地故障。
The final phase has begun for the striker, as he has finally returned to the training ground, and commenced light running to redevelop the strength lost in his knees.
对于这位射手，最后的阶段已经开始了，因为他终于回到了训练场，并开始轻量的跑步训练来使他的膝盖恢复力量。
The two-phase optimization theory was adopted for designing the sewage pipe, and the ground slope consensus method was used for optimization calculation of rain water pipe.
对污水管道采用两相优化理论设计，对雨水管道采用与地面坡度一致法进行优化计算。
The course of take-off and landing are both divided into three phases: the phase from flying at safe height to contacting the ground.
本论文把起飞和着陆过程均分为三个阶段：从安全高度到接触地面阶段。
Great attention has been paid to the research on the ground maneuvers of aircraft during the phase of aircraft design.
飞机地面运动特性研究已成为现代飞机设计及研制中的重要内容。
On account of the weak fault current and unstable fault arc, the problems of the single phase to ground fault line selection in the non-solid earthed network have never been thoroughly resolved.
由于故障电流小、电弧不稳定等原因，小电流接地系统单相故障选线问题始终没有得到彻底解决。
An engineering example of consolidating fill ground with heavy punning method is given, which is the planning first phase of the workshop project of Dongguan Dabao chemical products co.
介绍了强夯法加固填土地基在东莞大宝化工制品有限公司拟建一期厂房工程中的应用。
An engineering example of consolidating fill ground with heavy punning method is given, which is the planning first phase of the workshop project of Dongguan Dabao chemical products co.
介绍了强夯法加固填土地基在东莞大宝化工制品有限公司拟建一期厂房工程中的应用。
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