Additionally, the velocity pulses and source mechanism remarkably affect the frequency parameters of near-fault ground motions.
此外，速度脉冲和震源机制显著影响近断层地震动的频谱性质。
When this energy is released at a fault, the ground shifts and we feel an earthquake.
当能量的释放在断层里，地面就会移位同时我们就感受到地震了。
Ground fault circuit interrupters are required whenever moisture may contact electrical equipment or the user.
只要湿气可能接触到电器设备或使用者，则都应配备接地故障断路器。
The generator also includes 125-volt 14A ground fault circuit interrupter receptacles and is backed by a 1-year limited warranty.
发电机还包括125伏14A条接地故障电路灭弧贮和支持的为期1年的有限质保。
For vertical strike-slip faults, the rupture directivity effect causes as strong spatial variation in ground motions for a given closest distance to the fault.
对于垂直走滑断层，在给定的距断层最近的范围内，破裂方向效应使地震动产生强烈的空间变化。
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。
In this paper, some studies are made for synthesizing strong ground motions near fault by using empirical Greens function.
本文对利用经验格林函数法合成断层附近的强地面运动等问题做了初步研究。
The National Electric Code, in Article 690.5, requires that any PV array installed on the roof of a dwelling must incorporate a ground-fault protection device to reduce fire hazards.
《美国国家电气法规》第690.5条规定，安装于住宅楼顶的任何光伏阵列都必须配备接地故障保护器件，以减少火灾隐患。
In resonant ground systems, both asymmetric fault of high-voltage side and asymmetry of load cause the asymmetry of system electrical source voltage. Then they change neutral displacement voltage.
在谐振接地系统中，系统高压侧不对称故障及负荷的不对称会引起系统电源电势的不对称，从而改变中性点位移电压。
The test results show that the ground fault at any point of the stator of a large unit-type generator-transformer system can be successfully protected.
试验结果表明：大型发电机一变压器组的定子的任何一点上发生接地故障时都能成功地获得保护。
Such items known to be counterfeited include control relays, circuit breakers, receptacles, ground fault circuit interrupters and other electrical products.
我们已知的假冒产品包括控制继电器，断路器，插座，漏电断路器和其他电器产品。
Based on the analysis of a typical stator ground fault and its recording data, the protection action is proved to be correct.
通过对一次典型的定子接地故障情况和保护录波数据分析，证明了保护动作行为的正确性。
Furthermore, a checkout method for the third harmonic voltage based protection scheme of stator ground fault in generators is presented based on the verified MLM-FEM coupled model.
进而提出了基于多回路-有限元耦合数学模型的同步发电机定子单相接地故障三次谐波电压保护方案校验方法。
A random synthesis procedure based on finite fault model is adopted for near field strong ground motion simulation, in this paper.
为了模拟近场强地震动，采用了基于有限断层模型的一种随机合成方法。
There is an electrical preventive maintenance task assigned to the Ground Fault Circuit Interrupter, that requires periodic testing of the unit.
应指定接地故障断路器的电气预防维护任务，此项任务要求对装置进行定期测试。
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。
In electric power plants and substations, a detection of DC system ground fault was usually completed in hand manner, which is very much trouble and danger.
在发电厂和变电所内，直流系统接地故障的检测，过去一直采用手动方式来完成。
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。
Then, the results and equations are used on fault location, and correspondent computating formulae for each line-mode and ground-mode quantum are yielded.
在此基础上，将上述推得的结论及方程式用于故障定位计算，推出了各线模、地模分量所对应的定位计算公式。
The performance test and fault diagnosis for air-borne equipments is an important facet of airplane maintenance in ground service.
机载设备的性能检测与故障诊断是飞机地勤维护中的一个重要方面。
A micro computer system is introduced for condition monitoring and fault diagnosis in the ground testing of a throttling liquid rocket engine.
本文介绍了一种用于变推力液体火箭发动机地面试车的工况监测和故障诊断微机系统。
This paper analyzes why dc system ground fault causes power unit outage and proposes improvement plans. The prevention measures are put into effect.
文章分析了直流接地引起主机停运的原因，并提出了改进方案，实施了防范措施。
To overcome the difficulties on acquiring enough fault modes from ground and flight test data, the failure process for liquid propellant rocket propulsion systems was modeled.
为克服由于试验或飞行数据不足而无法获取系统足够故障模式的问题，开展了液体火箭推进系统故障过程建模与计算机仿真研究工作。
Earthquake is usually caused by a sudden slip on a fault, resulting in ground shaking and release of seismic energy. Fire, landslide and tsunami are common hazards following an earthquake.
地震通常由断层的突然滑动所致，除了地壳震动外，更因释放能量引发其他灾难，例如火灾、滑坡及海啸。
This multi loop model can better consider the influences of the distributed capacitance and the nonsymmetrical stator windings when stator ground fault occurs in interior of the stator windings.
该模型可以同时考虑定子绕组对地分布电容的影响，以及定子绕组内部接地故障带来的定子绕组结构上不对称的影响。
Because a single fault protection scheme has poor precision in ground fault detection, information fusion technology is discussed and many selection methods are fused.
由于单一故障选线方法的精确度较低，探讨了信息融合处理技术，将多种选线方法进行了信息融合实现。
The characteristics of ground-fault of ungrounded system are given and the faults symptom is analyzed and judged.
阐述了小电流接地系统接地的特点并对其故障现象进行分析、判断。
The testing observations indicate that such a recorder is a kind of useful instrument for microseismic observation, for observation of ground acoustics and for study present fault activity.
试验观测表明：这种仪器对监测极微震活动、地声观测和研究断层的现代活动性都是一种有用的仪器。
The ATIS design provides several design options about the section for technology standard, the ground identification equipment and the tag fault-tolerant and so on.
在AT IS的设计中，提供了关于技术标准选取、地面识别设备和标签的容错等几项设计方案。
The ATIS design provides several design options about the section for technology standard, the ground identification equipment and the tag fault-tolerant and so on.
在AT IS的设计中，提供了关于技术标准选取、地面识别设备和标签的容错等几项设计方案。
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