The machine contain main functions of above four testing apparatus, it can automatic test leaking current, grounding electric resistance, dielectric intensity, resting voltage and print testing data.
具备四种测试仪的全部主要技术性能，可连续自动测试漏电流、接地阻抗、电介质强度、剩余电压。可打印测试数据。
The principle, main design point and no load voltage ratio calculation method of resin insulation dry-type grounding transformer are introduced.
介绍了树脂绝缘干式接地变压器的工作原理、设计要点及空载电压比的计算方法。
Once the grounding system of HV single-core cable is broken, high floating voltage will appear on its metal sheath, thus causes serious consequence.
高压单芯电缆的接地系统一旦被破坏，在其电缆金属护层上会产生高值悬浮电压而引发严重后果。
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.
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。
Based on the analysis of the structural type, capacitance and impedance voltage of grounding transformer, a proper method of choosing grounding transformer is proposed in this paper.
通过接地变压器结构型式、容量和阻抗电压的分析研究，得出正确选择接地变压器的方法。
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.
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。
To reduce induced voltage on cables it's the first time this dissertation adopt the distributary methods which a branch grounding wire flows away from the main grounding wires.
本文首次提出对电缆沟内的接地线采用并联分流的方法降低地线内通过的雷电流，减少电缆感应电压。
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。
PT breaking and ferro-resonance caused by single-phase grounding and PT saturation are common faults in medium-low voltage power networks, which make voltage abnormal.
在中低压电网中，PT断线、单相接地及由PT饱和引起的铁磁谐振均是多发性的故障，这些故障都能使电压异常。
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。
The problems existing in grounding protection of low voltage distribution system in petrochemical enterprise are pointed out together with their harmfulness.
指出石化企业低压配电系统接地故障保护存在问题及其危害性，并做实例分析，提出了解决措施。
The measurement of grounding resistance under impulse voltage is of great importance for safe operation of power system and electronic equipment.
电力系统冲击接地电阻的测量是关系到电力系统稳定运行和电气设备安全的重要问题。
In this paper, the significance and area of low voltage grounding protection are described and some methods for measuring grounding resistance are introduced.
简述了低压用电设备保护接地的意义，保护接地范围，以及测量接地电阻的方法。
The coefficient of grounding is the ratio of the maximum sustained line-to-ground voltage during faults to the maximum operating line-to-line voltage.
接地系数是故障时最大持续相电压与最大运行线电压之比。
The article introduces voltage unbalance of neutral non-grounding system, analyzes the cause of voltage unbalance. It is valuable on fault analysis in practice.
介绍了中性点不接地系统的几种电压不平衡现象，分析了不平衡现象产生的原因，对于运行中的故障分析具有一定的指导意义。
The reduction of the residual current of the ground-fault point is beneficial to the extinction of the grounding arc and to the reduction of the intermittent arc grounding over voltage.
减小接地故障点的残流有利于接地电弧的瞬间熄灭及降低间歇性电弧接地过电压。
This paper present a new electrode arrangement by analyzing errors in grounding resistance measurement under steady voltage.
分析了布极方式对稳态接地电阻测量带来的测量误差，提出了多电极法的新型布极方式。
The harm of single-phase grounding fault current in the medium-voltage power network has been gotten the universal solicitude of people.
中压电网中，单相接地故障电流的危害性受到了人们的普遍关注。
Taking the effective measures of grounding and shielding, we restrain the radioactive and electro magnetic coupling around wire. Adopting the technology of zero voltage grounding in …
应用接地和屏蔽措施，抑制传输线向其周围的辐射和电磁感应耦合；
Apply to indoor 312 kv three-phase ac 50 (60) hz power system in various models and high-voltage switchgear supporting the use, can be as high voltage apparatus equipment maintenance with grounding.
适用于户内312kv三相交流50（60）hz的电力系统内和各型号高压开关柜配套使用，亦可作为高压电器设备检修时接地用。
The grounding grip of high voltage direct current(HVDC) power system was working in large currents more than 1 000 A for long-term.
高压直流输电系统的接地电流在1000A以上，为确保直流接地系统的安全运行，该文对直流电流密度与土壤电阻率的关系进行了研究。
Small Current Grounding Power System is widely used in power distribution network with middle and low voltage in china, and the single phase to ground fault takes place most frequently in such system.
提出了一种基于线路分布参数的小电流接地系统的高精度故障模型，用于分析单相接地故障产生的暂态信号特征及进一步完善基于暂态信息的小电流接地故障选线判据。
Small Current Grounding Power System is widely used in power distribution network with middle and low voltage in china, and the single phase to ground fault takes place most frequently in such system.
提出了一种基于线路分布参数的小电流接地系统的高精度故障模型，用于分析单相接地故障产生的暂态信号特征及进一步完善基于暂态信息的小电流接地故障选线判据。
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