电位梯度

解决高压无感电阻小电感和高电位梯度矛盾的新方法

A New Method for Solving the Contradictory of Small Inductance to Large Potential Gradient in High-voltage Non-inductance Resistor

通过现场布点测试发现该区域土壤具有较强的腐蚀性，高压线附近存在强杂散电流，电位梯度为1.30～15.00mV/m；

There is a big stray current under the high voltage wires with a electric potential gradient of 1.3 ~ 1.5mV/m .

纳米ZnO掺杂压敏电阻电位梯度与显微组织研究

Effect of Nano ZnO Doping on Voltage and Microstructure of Varistor

高能球磨法制备高电位梯度的ZnO压敏电阻

High voltage gradient of zinc oxide-based varistors prepared by high-energy ball milling

La2O3掺杂氧化锌压敏阀片压敏电位梯度与显微组织的研究

Study on Voltage and Microstructure of ZnO Varistor Doped With La_2O_3

提高ZnO压敏电阻片电位梯度的研究

Study on Enhancement of Electric Gradient of ZnO Varistor for HV Surge Arrester

CeO2对氧化锌压敏阀片电位梯度的影响

Effect of Cerium Oxide on the Electrical Potential Gradient of the Zinc Oxide Varistors

由此得到的添加剂氧化物复合粉体与ZnO混合烧成所得压敏电阻片的电位梯度约（2郾1～2郾6）kV/cm和能量耐受能力提高近1倍的优异性能。

The varistor fabricated with such synthetic additive powder mixed with ZnO has electric stress ranging from ( 2.1 ~ 2.6 ) kV / cm and double-energy withstand capacity .

采用球磨12h制备出纳米级Bi2O3与Sb2O3，掺杂后的样品在1000℃烧结后，漏电流3.0μA，电位梯度1516V／mm，非线性系数22；

The ZnO-based varistors are produced by sintering at 1000 ℃: the leakage current of 3.0 μ A , the nonlinear coefficient of 22 , the voltage gradient of 1516 V / mm .

结果表明：ZnO压敏陶瓷高温烧结态经激光冲击处理后，电位梯度降低了15.6%，非线性系数提高了43.4%，漏电电流降低了50%，相对介电常数提高了103%。

The results indicated that ZnO varistor ceramics in high-temperature sintering by laser shock processing , voltage gradient reduced by 15.6 % ; nonlinear coefficient substantially increased by 43.4 % and leakage current reduced by 50 % . The relative dielectric constant increased by 103 % .

为了降低500mA直流高压加速管高梯度区的电位梯度，对加速管轴向绝缘结构进行优化设计。

Axial insulation structure was optimized to reduce potential gradient in DC high-voltage accelerating tubes of 500 mA .

而ZnO压敏陶瓷高温烧结态在退火处理基础上进行激光冲击处理，与退火态相比，其电位梯度基本不变，非线性系数提高了31.6%，漏电电流降低了33.3%，相对介电常数提高了68.9%。

Annealing treatment of ZnO varistor ceramics in high-temperature sintering by laser shock processes vs annealing treatment , the voltage gradient is essentially the same , nonlinear coefficient substantially increased by 31.6 % and leakage current reduced by 33.3 % . The relative dielectric constant increased by 68.9 % .

结果表明，在传统生产配方中掺入Y2O3等稀土氧化物，通过掺杂改性，可以使电阻片中的晶粒尺寸减小，提高电阻片的电位梯度（达到276.8V/mm）；

As the result shows , the size of Zinc oxide grains is reduced by adding rare-earth oxides into the conventional Zinc oxide varistors manufacturing composition , and the reference voltage gradient of varistors is raised ( up to 276.8V / mm );

被约束观察点的电位梯度与场强

Gradient of Electric Potential and Field Strength of Constrained Point

高电位梯度氧化锌阀片的开发和应用

Development and Application of High Voltage Gradient Zinc Oxide

镁合金表面电位梯度镀层防腐模型

Corrosion Protection Model of Coating with Electrical Potential Gradient Distribution on Magnesium Alloy

架空线路分裂导线表面电位梯度的数值计算

Numerical Calculation of Electric Field Intensity on the Surface of Bundle Conductors of Overhead Transmission Lines

压气式灭弧室弧柱电位梯度的测量与研究

Experiment Research on Electric Potential Gradient of Arc Column of a Puffer Interrupter Model by Means of Differential Probes

该方法能够很好地处理导体棱角附近电位梯度的奇异性问题。

The model has a higher accuracy in analyzing the potential of a point close to a sharp conducting edge .

在元件的实际使用中，必然要求元件能量吸收能力同比于电位梯度提高。

In the actual use of the components , energy absorption capacity has the same rate of raising as the volt-gradient is required .

多相输电能够明显地降低导线表面的电位梯度，是提高输送功率密度的重要方法。

Multi-phase power transmission is an important way to reduce the potential gradient of the transmission conductor surface and increase the power density transmitted .

从传统电位梯度和高梯度电阻片显微结构分析中得出，晶粒细小化是提高电位梯度的重要途径。

As seen from convenient microstructure of varistor with high gradient and discharge capacity the essential way to enhance electric gradient is crystal miniaturization .

在故障期间，电流流入地中时会在变电站内及周围地面上形成电位梯度。

During a fault , the flow of current to earth will result in voltage gradients on the surface within and around a substation .

等间距的大型变电站接地网的地表电位梯度大，散流不均匀，有必要在不等电位模型下研究不等间距的大型变电站接地网。

The gradient of earth surface potential above the large equidistant substation is big , and the leakage current of theirs conductors are not uniform .

研究结果表明，随烧结温度提高，压敏陶瓷电位梯度、非线性系数及致密度逐渐降低降低，而漏电流逐渐升高。

The results showed that the varistor ceramics ' voltage gradient , nonlinear coefficient and density decreased and leakage current increased with increasing sintering temperature .

而采用等间距设计的变电站接地网地表电位梯度很大、散流不均匀，因此研究接地网的不等间距优化布置规律具有重要的工程意义。

In some substations with equidistant grounding grid , the gradient of earth surface potential is big and the leakage current of conductors are not uniform .

根据镁合金的化学和电化学特性，建立了适用于镁合金表面的电位梯度镀层防腐模型。

A corrosion protection model of metal coatings with electrical potential gradient distribution on magnesium alloy is developed according to the chemical and electrochemical nature of magnesium alloy .

通过试验发现在不同波头的正极性操作波下，滑闪火花通道内的平均电位梯度与其他因素几乎无关；

It is showed from experiment that under positive switching voltages with various crests the average potential gradient in surface arc cannel is almost indepent of any other parameters ;

本实用新型采用了低电位梯度的氧化锌压敏功率电阻，可以很容易和电压互感器的特性进行匹配；

The utility model uses the zinc bloom pressure-sensitive power resistor in the low potential gradient and is very easy to match with the characteristic of the voltage mutual inductor .

影响导线电晕放电的最主要因素是导线表面电位梯度；气候对电晕放电的影响非常复杂，一般需要通过试验进行研究。

The most important factor that affects corona charge is the surface gradient of conductor . The influence of climate on the corona discharge is very complex and usually needs to be studied through experiment .