This paper is to demonstrate two parameters of earth-leakage protection relevant to safety-value of operating resistance and operating time.
本文的目的在于论述与安全有关的漏电保护的两个参数——动作电阻值和动作时间。
Resistance current measurement of zinc oxide surge arrestor (MOA) under operating voltage possesses important significance of reflecting the operation state of MOA and whether it incurred damping.
在运行电压下测量氧化锌避雷器的阻性电流，对于反映MOA是否受潮和其运行的状态具有重要意义。
The sensitivity of the proposed protection scheme is not impacted by the factors such as transition resistance, lightning stroke, fault type, load current and operating mode of power system.
该保护方案的灵敏度不受过渡电阻、雷击、故障类型、负荷电流、系统运行方式等因素的影响。
Summarizing the operating experience over 30 years, EDF determines to change low resistance grounding into resonance grounding in MV network.
EDF通过总结和研究中压电网30多年的运行经验，决定将中性点低阻抗接地方式，全部改为谐振接地方式。
C-CAM cones have a much higher resistance to bending stress and therefore exhibit much greater fidelity over their entire operating range.
C -CAM锥盆有弯曲应力高得多的电阻，并因此表现出在它们的整个运行范围大得多的保真度。
Moreover, this syttem also has following advantages as low operating cost, convinent operation, small occupied area, and low resistance.
同时，运行费用低廉操作方便，占地面积小，设备阻力小。
The resistivity of element rapidly rises as the temperature rises, under normal operating conditions , generally the element resistance doesn't change with the service time changing.
二硅化钼电热元件的电阻率随着温度的升高而迅速增加。 在正常操作情况下，元件电阻一般不随使用时间的长短而变化。
Chemical resistance information is vital when constructing or specifying FRP composite equipment for operating in harsh chemical environments.
在建造和确定苛刻环境用复合材料设备时，在高温下的耐化学腐蚀的资料是至关重要的。
The mine drainage centrifugal pump operating in the piping with high resistance have smaller fluorite and lower efficiency .
矿山排水离心泵在阻力偏高管网中工作时，其流量偏小，效率低。
Chemical resistance information was vital when constructing or specifying FRP composite equipment for operating in harsh chemical environments.
在建造和确定苛刻化学环境用玻璃钢设备时，耐化学腐蚀的资料是至关重要的。
In this paper the operating principles of the platinum thermal resistance temperature sensor is analyzed,.
分析了金属热电阻温度传感器的工作原理。
The resistance at reference temperature, its temperature coefficient, and the critical temperature of the material that the operating range of the sensor depended on have been obtained.
测得材料的基准温度电阻，电阻温度系数及能够确定传感器工作范围的临界温度。
The operating value of earth leakage protection can be changed with the mains voltage, but the operating value of cables insulation resistance is held the line.
该设计可以根据电网电压的波动调整动作值，从而保证电缆绝缘电阻的动作值不变；
The initial resistance of the filter medium decides the air permeability of the filter medium itself, but the resistance during operating is several times to the initial resistance.
滤料的初阻力决定于滤料本身的透气度，而运行中的阻力则比初阻力大许多倍。
The result shows, under different vibration mode, equivalent parallel capacitance and resistance are not constant value. There is negative damp effect in transducer system at the operating mode.
结果表明，在换能器不同振动模态下，等效并联电容电阻并非恒定值，而且实际支承工况下换能器系统工作时存在负阻尼效应。
The results indicated that HBT filter media had the performance of high efficiency and low resistance in the same operating conditions, Therefore, it is more suitable for a coal-fired boiler.
对其过滤性能进行实验研究，结果表明在相同工况下，该滤料具有“高效低阻”特性，并在实际工程应用中取得了较好的效果。
The engineering thermal calculation, the calculations of different operating conditions, of the resistance of water flow and vapor flow, and of the air leak amount were made.
完成了不锈钢螺纹管凝汽器的工程热力计算、变工况核算、冷却水流动阻力、蒸汽流动阻力和漏气量计算。
Compared with domestically manufactured daub of the same kind, it has such advantages as simple preparation, adjustable operating time, fine mechanical property, acid-alkali resistance and low cost.
与国内同类胶泥相比，它具有配制简单、操作时间可调、力学性能好、耐酸碱和成本较低等优点。
At the same time, the method that combines composite electroless plating with metal spraying mold making to increase the wear resistance and operating life of composite mold is also proposed.
同时提出，将化学复合镀与金属喷涂制模技术结合起来，可以提高复合材料模具的耐磨性及使用寿命。
Important effect of chitosan on regulating plant growth, eliciting plant resistance to disease and it's possible operating mechanism are reviewed.
综述了壳聚糖在调节植物生长发育和诱导植物抗病性方面所起的重要作用及其可能的作用机制。
The effects of coil resistance and the number of turns to operating mechanism closing time and moving velocity of the iron core are simulated and analyzed.
通过改变线圈电阻和匝数两个参数，分别仿真分析了线圈电阻和匝数的改变对于操作机构合闸时间及动铁芯运动速度的影响。
It is a rather good auxiliary material with good resistance to oxidation at high temperatures and electrochemical corrosion and with no deformation when operating at high temperatures.
具有良好的高温抗氧化能力和抗电化学腐蚀能力，在高温操作条件下不变形，是比较好的高温辅助材料。
From the air valve operating principles of view, air valve performance will directly affect the work of compressor tanks, air valve for the following requirements: resistance losses small.
从气阀工作原理来看，气阀工作性能将直接影响压缩机气缸的工作，因此，对气阀有如下要求：阻力损失小。
The products have the characteristics of environmental friendly, long life, low self-discharge, low inner resistance, safe, wide-range of operating temperature.
产品具有绿色环保、寿命长、自放电小、内阻低、安全性能好、使用温度范围宽广等特点。
The products have the characteristics of environmental friendly, long life, low self-discharge, low inner resistance, safe, wide-range of operating temperature.
产品具有绿色环保、寿命长、自放电小、内阻低、安全性能好、使用温度范围宽广等特点。
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