该文对保护接地、接触电压、跨步电压间的关系进行探讨。
The relations between protective earthing, touching voltage and walk voltage are discussed in the article.
等电位联结对于降低跨步电压、接触电压和防止雷电反击是十分有效的措施。
The problems to be dealt with are also pointed out . Equipotential bonding is a very effective measure for reducing step voltage and touch voltage and preventing from counter-attack.
在短路接地回路上,人体接触电气设备带电外壳的点与站立点之间存在接触电压。
There is touching voltage between body touch electric equipment case with electricity point and stand-up point in loop of short circuit ground.
季节因素将影响地网的安全性能,导致地网的接地电阻、接触电压和跨步电压的改变。
The seasonal factor affects the safety of grounding system, and causes changes in the grounding resistance, the step and touch voltages on the ground surface above the grounding system.
结果表明:在电磨损初期接触电压降较小,随着时间延长,接触电压降上升并趋于稳定;
The contact voltage drop was low in the initial stage of wear, then rose to a certain level, finally became stable.
采用数值计算方法分析了垂直接地极对接地系统的接地电阻、接触电压及跨步电压等的影响。
The influences of vertical grounding electrodes on grounding resistance, step and touch voltages were analyzed numerically.
用该方法可以计算接地网的工频电流下的任何参数,如工频接地阻抗、接触电压和跨步电压、网内电位差等。
The methods are able to compute any parameter of grounding grids in power current, such as power ground impedance, touch and step voltage, potential differences within grounding grids and so on.
采用粉末冶金法制备碳纳米管-银-石墨电接触复合材料,研究石墨含量的变化对复合材料接触电压降的影响。
In this paper, the effects of graphite content on the contact voltage drop of CNTs-Ag-G composites fabricated by means of powder metallurgy are studied.
结合仿真计算的结果,对影响杂散电流和接触电压分布的参数进行了比较和讨论,为系统设计提供了理论基础。
As to the results of simulation, compared and discussed the (parameters) that effect stray current and potential variation distribution, and proposed the theory basement for the system design.
通过对接触电压、等电位联结在低压配电系统中作用的分析,进一步明确等电位联结在设计、施工中的重要性及必要性。
By analyzing the effects of touch voltage and equipotential bonding on low voltage distribution system, makes clear the importance and necessity of equipotential bonding on design and construction.
在我国北方高寒冰冻地区接地系统的接地电阻季节系数可达3.0,接触电压和跨步电压季节系数可能达到10和5.4。
The seasonal coefficient of grounding resistance possibly reaches 3.0 in freezing region of North China, and those of touch voltage and step voltage 10 and 5.4, respectively.
接触电势或热电效应偏移电压是设计用于低压切换的开关卡的关键技术指标。
The contact potential or thermoelectric offset voltage is the key specification of a switch card designed for low voltage switching.
例如,在测量小直流电压的系统中,开关的接触电势将会被叠加到信号上。
For example, in a system for measuring small DC voltages, the contact potential of the switch will be added to the signal.
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。
This paper analyzes the influences of shaft voltage absorbing circuit and brush touching resistance on the performance of generator rotor earth fault protection.
该误差电压就是所谓的接触电势或偏移电压。
This error voltage is known as contact potential or offset voltage.
本文研究了非接触电能传输系统中一种间接控制负载侧电压的方法。
This paper finds a method which can indirectly control the load side voltage of the contact-less power transfer system.
感电灾害源以配电箱至负载间临时电源产生之灾害最 多;触电型态以220V电压之间接触电最多;
Most electrocution is caused by load-side power source and most types of electrocution are the indirect electric shocks induced by the voltage of 220V.
利用该统一模型,分析了外加直流电压法、外加交流电压法、乒乓切换法中电刷接触电阻对励磁绕组接地电阻测量值的影响和危害。
By using power of DC superimposed AC, oxidation rate rose with increase of voltage but had nothing to do with frequencies in this experiment.
利用该统一模型,分析了外加直流电压法、外加交流电压法、乒乓切换法中电刷接触电阻对励磁绕组接地电阻测量值的影响和危害。
By using power of DC superimposed AC, oxidation rate rose with increase of voltage but had nothing to do with frequencies in this experiment.
应用推荐