介绍了接地网中雷电暂态的计算方法。
This paper proposes a novel method for calculating the lightning transient response in grounding grids.
站内接地网对埋地管道的腐蚀影响研究。
Study on corrosion influence on the buried pipelines impacted by grounding grid.
为分析工频电流下接地网的性能奠定了理论基础。
Both of them provide theoretical foundation for analyzing performance of grounding grids in power current.
介绍了煤矿井下设置保护接地网的原因及重要性。
The reasons and importance of setting underground protective grounding net to coal mine are introduced.
提出了一种在实验室测量接地网中电流分布的方法。
A method of measuring current distribution in grounding grid in the laboratory is introduced in this paper.
提出了计算变电站接地网接地性能的频域有限元方法。
A finite element method is proposed to analyze the grounding performance of the substation grounding grids in frequency domain.
提出计算双层土壤复合接地网接地电阻的新解析方法。
A new analytic method for grounding resistance of compound grounding grids in two-layer soil is deduced in this paper.
开发一界面友好的“变电站接地网计算机辅助设计”软件。
A "user friendly" computer program has been developed to assist in design and optimization of substation grounding grid.
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。
To meet the requirement of reducing unnecessary losses, we should reduce the grounding resistance of grounding grid as far as possible.
本文分析了变电站接地网腐蚀的原因,提出了防止腐蚀的措施。
The cause of corrosion of substation ground grid it analysed. Measures of corrosion protection are suggested.
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。
Based on circuit theory and principles of fault diagnosis, a new method of grounding grid corrosion diagnosis is proposed.
基于矩量法,提出了一种新的接地网频域性能分析的数值计算方法。
Based on the method of moment, a new method to analyze the grounding grids fed by harmonic current is presented.
为快速计算工频和高频时变电站接地网的接地性能奠定了理论基础。
Both of them provide the theoretical foundation for the analysis of the grounding systems.
用于高压输电线杆接地网及石油化工地下管线防腐、导电、防静电用。
Be applied for the corrosion protection, conduction and electrostatic transfer of earthed systems and underground pipes.
变电站接地网导体的连接要求稳定可靠,在铜接地网中显得尤为重要。
The connection of the conductors of the substation ground network is required to be stable and reliable, especially of the copper ground network.
提出了一种计算任意形状接地网接地电阻的新模型三维单元网格模型。
A new model for computation on resistance to ground of arbitrary grid is put forward in this paper, which is named 3-dimensional unit net 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。
This paper proposes a fault diagnosis method for grounding grid based on nonlinear nodal voltage optimization model.
本文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。
A new grounding corrosion diagnosis method based on circuit theory and fault diagnosis theory is introduced in this thesis.
为了方便接地网故障诊断,探讨了接地网完备测试方案的自动生成方法。
To benefit the corrosion diagnosis of grounding grids, an automatically generated method of test schemes were investigated.
但是接地网阴极保护参数存在一个最佳值,以往都以经验值来初步确定。
But the ground network of cathodic protection parameters of the best there is a value in the past in order to have the experience to determine the initial value.
节点电压法是当前分析接地网最简单、计算中矩阵的阶数最小的方法之一。
Among current methods analyzing grounding grids in power current, the nodal method of analysis is the easiest and least exponent number of matrix in calculation.
阐述了发电厂防雷接地网可靠性管理的重要性,提出了加强管理的对策和措施。
The importance of reliability management for lightning proof earth grid in power plant is described and some countermeasures for strengthening management are raised.
介绍了钢管式钻具的制作、构造原理,以及在变电所接地网敷设中的应用情况。
The mechanical principle and the manufacture of the steel barrel type barer, and its operation in the substation ground network construction have been introduced.
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。
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.
本文介绍了回龙电站采用深孔接地技术改造接地网的原理、设计方案和施工技术要求。
This paper introduces the principle, design project and technical request of the Huiiong power station ground net reconstruction project by using deep-hole-earthing technology.
接地网接地阻抗中感性分量与接地网规模、土壤电阻率、电流注入点位置等因素有关。
The inductive component of substation's grounding impedance is related to the size of the grounding system, soil resistivity and the injecting point of measuring current.
接地网是变电站安全运行的重要保证,其接地性能一直受到设计和生产运行部门的重视。
The grounding grids of substations are important measure to keep stable operation of power system and safety of operators or power apparatus.
提出了分析含有有限体积的参数不同的材料的水平分层土壤中的接地网接地性能的方法。
Based on the method of moment and the boundary element method, an improved method to analyze the grounding system buried in multi-layer soil with finite volumes is presented.
提出了分析含有有限体积的参数不同的材料的水平分层土壤中的接地网接地性能的方法。
Based on the method of moment and the boundary element method, an improved method to analyze the grounding system buried in multi-layer soil with finite volumes is presented.
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