接地电阻
- 网络Resistance;ground resistance;earth resistance;grounding resistance
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接地电阻大小对屏蔽室屏蔽效能没有影响。
The grounding resistance not affect the shielding effectiveness of the shielding enclosure .
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接下来对杆塔故障电流、杆塔接地电阻进行了相关理论研究。
Next on the fault current tower , tower grounding resistance to carry out the relevant theoretical research .
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基于DSP的冲击接地电阻测量仪研究
Research of Impulse Grounding Resistance Measurement Equipment Based on DSP
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FFT变换在接地电阻检测仪中的实现
Application of Fast Fourier Transform Algorithm in the Earth Resistance Tester
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基于USB接口的接地电阻测量仪设计
Ground Resistance Measurement Instrument Design with USB
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通过计算表明,水平埋设LCP长效地线产生的接地电阻最小。
Calculation shows that burying LCP horizontally can produce the least ground brush .
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IT类电子产品3C工厂检查的现场指定试验探讨&接地电阻试验
Analysis of IT Electronics 3C Factory On-site Inspection of the Designated Test & Resistance of Earthing Test
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快速傅立叶变换(FFT)是重要的信号分析工具,在接地电阻检测仪中应用FFT变换可提高仪器的抗干扰能力。
The Fast Fourier Transform Algorithm is an important signal analysis method , and FFT application in the earth resistance tester can improve its anti-interference ability .
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对于大型地网接地电阻的测量,ZC-8接地摇表法越来越不能适用现场测量的要求。
For the measurement of grounding-resistance of large-scale grounding-net , ZC-8 method no more applies for the requirement .
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客户端20kV变电所接地电阻值的探讨
Discussion on Grounded Resistance of Client End in 20 kV Substation
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110kV变电所接地电阻控制探讨
Discussion on Ground Resistance Controlling for 110 kV Substation
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介绍接地电阻测试的基本原理,设计了符合IEC61010标准的由工业PC控制的接地电阻测试系统。
The paper introduces the principle of grounding resistor test , and designs an IPC-based grounding resistor testing system corresponding to the standard of IEC61010 .
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为了解决缺乏大型地网接地电阻测量仪器的难题,课题组采用高频链技术和DSP控制技术,研制出GN-JDR5型大型地网接地电阻测试仪。
GN-JDR5 type ground resistance measurement tester for large-scale grounding grid is developed based on high-frequency link technology and DSP control technology .
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利用EMTP仿真工具,建立简单双端系统,研究了故障位置、故障类型、接地电阻和不同长度线路对电流行波测距仿真结果的影响。
Influence of fault type , fault resistance , line length and fault inception angle on fault location result using current traveling wave has been studied by using EMTP .
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最后给出双频原理测量接地电阻的硬件电路的基本框架,利用CPU先后产生两种频率的测量信号,通过测量单元采集测量值,然后计算求出接地电阻。
The hardware architecture for implementing the measurement technique is introduced . Two measuring signal sources with different frequency are generated one after another by CPU , the measured values are acquired with the measuring unit and the grounding resistance is then calculated .
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采用三维方法(ATN方案)设计变电站的接地电阻,可使接地电阻比传统设计更加准确,并使变电站的接地电阻满足R≤0.5Ω的国家标准规定。
Three-dimensional method ( A-T-N scheme ) for designing earthing resistance of substation can be more accurately than traditional design , which makes the earthing resistance of substation to satisfy the national standard stipulation of R ≤ 0.5 Ω .
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并侧重论述GEOX钳型接地电阻测试仪基本原理及其应用。
The principle of the GEOX clamped on ground meter and its application is emphasized .
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接地电阻测量值在0.028~0.029Ω,最大跨步电压小于2.5V,均没有超过设计水平。
The earth resistance observed value is between 0.028 ~ 0.029 Ω . The biggest step voltage is smaller than 2.5 V , and not surpassed the design level .
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一种能承受高接地电阻的微机接地距离保护新算法在TP-86(INTEL-8086)单板机上进行了数字模拟试验,结果表明此方案是令人满意的。后者化验:血沉明显增快,抗O增高。
The digital simulation tests have been performed on a TP-86 ( INTEL-8086 ) single board microprocessor for realizing microprocessor relaying . The results show that this new type of high resistance ground fault distance protection is satisfactory .
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文献[2]对三峡电站的模型地网进行了计算,认为在一定的技术经济条件下,将三峡电站的接地电阻降低至0.15W及以下是可能的。
In reference [ 2 ] the grounding mesh model for Three Gorges Hydroelectric Station is calculated and the conclusion is that under a certain condition of technology and economy it is possible to reduce the grounding resistance of the power station to 0.15W or lower .
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长效化学接地电阻降阻剂的开发与应用
The Development and Application of a Long Acting Earthing Resistance Reducer
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钳表法测量线路杆塔接地电阻的误差分析
Calculation of Error of Tower Grounding Resistance Measurement Using Clamp Meter
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数字信号接地电阻的自动监测技术的探讨
Discuss on Automated Measurement Technology of Grounding Resistance in Digital Signals
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计算机优化设计在接地电阻模拟研究中的应用
Application computer and optimum design in simulated research of earthing resistances
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一种新的多点接地电阻测量模型的研究
Study on A New Type of Multipoint Grounding Resistance Measurement Model
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便携式直流系统浮点接地电阻定位仪的研究设计
Research and Implementation of Portable Earth Fault Position Finder for DC
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61-781钳形接地电阻测试仪的性能检验与校准
The Functional Test and Calibration of 61-781 Clamp Ground Resistor Tester
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变电所接地电阻允许值分析
Analysis and calculation of allowable value for grounding resistance in substation
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矩形混凝土中水平地网接地电阻的计算
Calculation of Earth Resistance of Horizontal Steel Grids in Rectangle Concrete
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百色机场大型地接地电阻测试经验与总结
The Experience of the Ground Resistance Determination on Baise Airport