接地电阻,grounding resistance
1)grounding resistance接地电阻
1.On-line test by usinggrounding resistance meter and its anti-jamming;使用接地电阻测量仪在线测量及其抗干扰
2.High-precision Transmitter for Measurement of Grounding Resistance;一种高精度接地电阻测量变送器
英文短句/例句
1.Influence factors and reducing methods of earth resistances影响接地电阻的因素及减小接地电阻的方法
2.Analysis on Grounding Resistance Reducing by Using Steel Tower 3-D Grounding Device铁塔三维接地装置降低接地电阻分析
3.The Research of Distribution System Neutral Resistance Grounding and Development of Grounding Resistors配电网中性点电阻接地方式研究及接地电阻器的开发
4.Study of Method on Grounding Resistance Measurement with Short Electrode Wire and New Decreasing Resistance Technology;地网接地电阻短距测量方法和降阻新技术研究
5.The Research of Transmission Line Tower Grounding Resistance Measurement Method;输电线路杆塔接地电阻测量方法研究
6.Apparatus Used to Measure Grounding Resistance Based on the Impulse Current基于冲击电流法测量接地电阻的装置
7.Discussion on Grounded Resistance of Client End in 20 kV Substation客户端20kV变电所接地电阻值的探讨
8.Study on Method of Grounding Resistance Measurement with Short Electrode Wire and DC Grounding;地网接地电阻短距测量方法和直流接地研究
9.Research on Contact-less Grounding Resistance Measurement for Power Transform Station变电站非接触式接地电阻测量技术的研究
10.Grounding resistance measurement method of large grounding grids with short current wire缩短测量引线测量大型接地网接地电阻的方法
11.Error Analysis and Countermeasure for Large Grounding Grid Resistance Measurement大型接地网接地电阻测量误差分析和对策
12.Discussion to Connect a Ground of Device Connects a Ground of Measure of Electric Resistance浅谈降低接地装置接地电阻的几种措施
13.resistance-grounded neutral system中心点电阻接地系统
14.Introduction to neutral grounding and resistance grounding in distribution system配电系统中性点接地方式及电阻接地方式
15.Discussion about Substation Grounding for Medium-voltage Low-resistance Grounding System对中压小电阻接地系统变电所接地问题的探讨
16.Grounding means connecting to a lowresistance earth electrode or an excellent earthing system.接地是指与具有低电阻的接地电极或良好的接地系统相联接。
17.An earth circuit must be installed; dispersion resistance to earth must not exceed20 Ohums.必须装接地电路......电阻不得超过20欧姆.
18.Operation Analysis of Low Resistance Grounding System for Beijing Power Grid北京电网10kV低电阻接地系统运行分析
相关短句/例句
ground resistance接地电阻
1.Ground Resistance Measurement Instrument Design with USB;基于USB接口的接地电阻测量仪设计
2.Experimental design ofground resistance measurement;测试接地电阻实验的设计
3)earth resistance接地电阻
1.Design of insulation resistance andearth resistance test system;绝缘电阻与接地电阻测试系统的设计
2.Discussion on shunt coefficient for calculatingearth resistance of substations in Shenzhen area;深圳地区变电站接地电阻计算中分流系数的探讨
3.Study about reduceearth resistance of substation;降低变电站接地电阻的研究
4)earthing resistance接地电阻
1.Analysis of frequency influence toearthing resistance using 3D FEM method;三维有限元法分析频率对接地电阻的影响
2.The measurements of using main steel bars to construct earthing grid in the unattached groundwork and reducing theearthing resistance gratitude in the high resistance rate area were also introduced.并对利用独立基础内主钢筋构成接地网和在高电阻率地区降低接地电阻的措施进行了介绍。
3.The conclusion that the residence building didn’t need to require lowearthing resistance was pu.论述了等电位联结措施对住宅接地安全的影响和作用,主张住宅建筑不必要求小的接地电阻值。
5)grounded resistance接地电阻
1.The variation of auxiliary electrodes position in measuring circuits forgrounded resistances;接地电阻测量回路中辅助电极位置的变化规律
2.That thegrounded resistance is reliably grounded ensures the security of electric power system.接地电阻可靠接地对电力系统的安全具有重要意义,目前接地电阻的测量主要靠人工手动测量,进行一次测量需要花费大量的时间和资金。
3.Suitable protection measures of preventing from thunder should be taken in order to make sure that power supplies safely,they are: installing lightening wires to decreasegrounded resistance,grounded by neutral arc-suppression coils,increasing coupling earthed wires,strengthening lines insulation and installing automatic re-switch and arrester as well.采用装设避雷线,降低接地电阻;采用中心点消弧线圈接地、增加耦合地线、加强线路绝缘,以及装设线路自动重合闸和装设避雷器等方法。
6)resistance grounding电阻接地
1.The arcing coil grounding mode and theresistance grounding mode of neutral point in urban distribution network are analyzed,and the mode of arcing coil with parallelresistance grounding through working experience is provided.通过对城市配网中性点经消弧线圈接地以及中性点经电阻接地两种方式的分析,结合现场工作经验,提出了消弧线圈并联电阻的接地方式,并阐述了该接地方式的原理与实现方法。
延伸阅读
电气装置接地电阻电气装置接地电阻electric equipment grounding resistanced旧nq一之huongzh一j一ed.d旧nzu电气装t接地电阻(eleetrie equipmentgrounding resistanee)电流了经接地体流人大地时接地体的电位U和I的比值。在工颇(或直流)电流经接地体流人大地时，接地电阻即为接地体到无穷远处的土坡(含河水)的总电阻。在冲击电流经接地体流人大地时，接地体上最大电压出现的时刻不一定是电流最大的时刻，接地体上的冲击电压和对应时刻的冲击电流的比值为冲击接地阻抗，它是随时间变化的。工程应用为了方便起见，将接地体上的冲击电压最大值和冲击电流最大值之比称为冲击接地电阻。对接地电阻的要求各种常用的接地装工的接地电阻允许值见表1。
