爬电

复杂电气结构爬电距离准确测量问题的研究

Investigation on Accurate Measurement of Creepage Distance in Complicated Electrical Structure

弧焊电源的电气间隙和爬电距离

Arc Welding Power Sources of Clearance and Creepage Distance

b.污秽环境中绝缘体材料爬电距离及防霉菌的研究；

The study on creepage distance of insulation materials and anti-fungus in the contaminant environment ;

220KV大型变压器的相间围屏爬电事故，损失很大，它与相间的电场分布，最大电场强度密切相关。

The puncture screen fault of 220 KV giant transformer causes enormous losses . It is closely related to the distribution of the electric field .

不同型式绝缘子的有效爬电系数；④利用高速摄像机分析污秽绝缘子串的闪络过程。

Analyzed the flashover process of five types of polluted insulator strings by high-speed camera .

不同型式染污绝缘子沿爬电距离的闪络电压梯度；

The voltage gradient of five types of polluted insulators according to the leakage distance .

爬电距离是安全试验和国内外水平测试的重要项目。

Creepage distance is an important test item of safety test and international proficiency test .

爬电距离和电气间隙的不确定度评定

Uncertainty Evaluation of Creepage Distance and Clearance

正确理解爬电距离和电气间隙

Accurately Understanding Creepage Distance and Clearance

瓷和玻璃绝缘子人工污秽交流闪络特性及有效爬电系数的比较

Comparison on AC Artificial Pollution Flashover Performance and Valid Coefficient of Creepage Distance Between Porcelain and Glass Insulators

这种双伞绝缘子的优点是改善绝缘子的耐污秽性能，增加爬电距离。

The double-umbrella insulator has the advantages of improving the pollution-resistance performance of the insulator and increasing the creepage distance .

工作电压的测量与爬电距离、电气间隙限值以及抗电强度试验电压的确定

Measurement of Voltage and Creep Age Distance , Electrical Space Limits as well as Anti-electric Strength Test Voltage to Determine

阐述了电气间隙和爬电距离的确定方法，并介绍了试验验证方法。

The determination method of electrical clearance and creepage distance is expounded , and the testing and demonstration method is described .

运行年限较长的变压器中发现了较多的沿面爬电现象，老化程度和水分含量的增加被推测为导致这种现象的原因。

Creepage discharge were found in many power transformers which serviced a long time , aging and increase of moisture were respected as the reason .

人工污秽绝缘子的闪络电压、污闪电压梯度和有效爬电系数均与其材质和型式有关。

AC flashover voltage , voltage gradient along the leakage distance and the valid creepage distance of polluted insulators are related to its materials and configuration .

最后，伞形绝缘子根据伞形大小的组合方案有效地克服了爬电。

In addition , the phenomenon of creepage can be effectively overcome through the parachute-shaped insulator according to the combination proposal for the parachute in size .

作者还对避雷器爬电比距的选择提出新的观点，分析了线路避雷器具备的优缺点。

A new viewpoint on the selection of the specific creepage distance is put forward and the merits and disadvantages of the line lightning arrester are analyzed .

结果表明，由非等径伞混合组成的绝缘子，在电弧距离限定的条件下，调整伞伸出距离，可增大爬电距离的空间。

The results shows that a combination of sheds with different diameters , adjusting sheds ′ s length can increase the space of creepage distance at limited arcing distance .

今以一开关电源电路为例，介绍在不同标准下如何根据工作电压情况对最小电气间隙和爬电距离值进行确定。

In this paper , a switch power circuit is given as an example to introduce how to confirm the minimum clearance and creepage distance with working voltage on different safety standards .

根据试验结果分析和计算了五种典型绝缘子的闪络电压、闪络电压梯度、有效爬电系数。

Based on the test results , the AC flashover voltage , the voltage gradient and the valid coefficient of creepage distance of the five types of insulators are analyzed and calculated .

它与普通瓷绝缘子相比较，具有热机、耐污、耐弧、免维护、性能好、寿命长、重量轻、爬电距离大等优点。

Comparing to the conventional porcelain insulator , it is of thermal mechanism , resistance to pollution and arc , no need of maintenance , good performance , long service life , light mass , long climbing distance and others .

本文简述了电气间隙和爬电距离的基本概念、GB4706.1-2005中的新变化及产生这些变化的原因，给出了GB4706.1-2005电气间隙和爬电距离的一般合格判定步骤。

This paper gave a brief description to the definitions of clearance and creepage distance , discussed the new change of GB 4706.1-2005 and reason . At last , the paper gave out the process that clearance and creepage distance check out .

试验表明：安装热收缩型爬距增长器，可使立柱绝缘子的爬电距离增加16%～32%，污闪电压提高15%～33%，同时还具有明显的阻弧、防污作用。

The test result shows that the creepage extender installed on a support-insulator can increase the creepage up to 16 % ~ 32 % and the flash voltage up to 15 % ~ 33 % , which have remarkably the function of resisting flash and anti-griminess .