Study on corrosion influence on the buried pipelines impacted by grounding grid.
站内接地网对埋地管道的腐蚀影响研究。
A method of measuring current distribution in grounding grid in the laboratory is introduced in this paper.
提出了一种在实验室测量接地网中电流分布的方法。
This paper proposes a fault diagnosis method for grounding grid based on nonlinear nodal voltage optimization model.
提出了一种基于节点电压非线性优化模型的变电站接地网故障诊断方法。
A "user friendly" computer program has been developed to assist in design and optimization of substation grounding grid.
开发一界面友好的“变电站接地网计算机辅助设计”软件。
Based on circuit theory and principles of fault diagnosis, a new method of grounding grid corrosion diagnosis is proposed.
根据电路原理和故障诊断原理，提出一种新的接地网腐蚀诊断方法。
To meet the requirement of reducing unnecessary losses, we should reduce the grounding resistance of grounding grid as far as possible.
为达到要求减少不必要的损失，应尽量减小接地网的接地电阻。
It is indicated that the step potential on the surface of the epitaxial grounding grid meets the specialty standard as long as the depth of burying of the grid is reasonable.
计算和实践表明，只要接地极埋设深度适宜，外延接地网表面的跨步电势仍然能够满足专业技术规范的安全要求。
The influences of the reflective coefficient of the double layer soil, the top layer soil thickness and the grounding grid area on the optimum arrangement are analyzed numerically.
论文采用数值计算的方法分析了双层土壤结构时土壤反射系数、上层土壤厚度及地网面积大小等因素对地网最优布置的影响规律。
From the basic concept of grounding grid resistance, a full analysis of the measures and effect of decreasing the grounding grid resistance is performed in non uniform soils condition.
该文从地网接地电阻的物理本质出发，考虑不均匀土壤情况，对地网接地电阻降低措施及效果进行了分析和讨论。
A series of experimental data are obtained by measuring different grounding grids, and the base is established to analyze potential distribution in grounding grid and to design the grid.
通过对不同接地网的测量，得出一系列实验数据以为研究地网中的电位分布及地网设计所用。
Based on fault diagnosis theory, network theory, matrix theory and computer arithmetic, a method of optimized erosion diagnosis for medium or large-scale grounding grid is discussed in this paper.
本文所研究的中大型接地网腐蚀优化诊断方法是将故障诊断学原理、网络理论、矩阵理论及计算机算法结合起来，应用于接地网腐蚀诊断这一工程实际问题。
This paper analyzed the effect of shielding between hollow grounding devices and between hollow grounding device and ground grid.
并通过模拟试验分析了接地坑、自然水对降低空腹式接地装置的接地电阻的作用。
To test the site electricity conductivity according to the grid, and provide the information for the grounding and lightening proof design.
按网格进行场地导电性能测试，为接地、防雷设计提供依据。
According to the practical situations of substation engineering, this paper analyzes the method to reduce grounding resistance. It helps for construction of substation earthing grid.
从变电站工程施工的实际情况出发，分析了变电站降低接地电阻的方法，以期对变电站接地网建设有所裨益。
The reliability of grounding net directly affects the safe operation of the power grid, and is one of the factors causing large area power cutting.
电力接地网的可靠性直接关系到电网的安全运行，是造成大面积停电的事故原因之一。
This paper introduces the parameter selection, installation, grounding mode of low-voltage power grid and construction method of residual current operated protective device.
文中详细论述了剩余电流动作保护装置的参数选用，安装要求，低压电网接地方式及安装施工要求等。
Connecting with exterior grounding conductor is an effective measure to decrease ground grid grounding impedance.
引外接地是一种降低地网接地阻抗的有效措施。
With the increasing capacity of distribution network and new large-scale use of electrical equipment, a suitable neutral grounding more and more important for the safe operation of the power grid.
随着配电网容量的不断增大和新型电气设备的大量使用，选择一种合适的中性点接地方式对电网的安全运行越来越重要。
With the increasing capacity of distribution network and new large-scale use of electrical equipment, a suitable neutral grounding more and more important for the safe operation of the power grid.
随着配电网容量的不断增大和新型电气设备的大量使用，选择一种合适的中性点接地方式对电网的安全运行越来越重要。
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