电压击穿

本文叙述了威布尔数理统计的基本方法，用以对挤包绝缘电缆的电压击穿试验进行数据处理；

The basic methods of the mathematical statistics used to treat data of the voltage breakdown tests on cables with extruded insulation are presented .

第四章介绍了高压脉冲电场试验装置结构，设计了四种处理电极形式，分析气液两相时电场分布和电压击穿随机过程，讨论了试验安全性防护措施。

The fourth chapter introduced the structure of high-voltage pulsed electric field device for killing , designed four kinds of processing electrode forms , analyzed the electric field distribution and the random process while voltage breakdown , discussed the operate safety precautions .

实验结果表明：脉冲变压器的输出一致性很好，也没有电压击穿现象，由此说明脉冲变压器设计基本满足IGBT固体开关需要。

The experimental result shows that output consistence is very satisfactory , and no voltage-breakdown is appeared . The conclusion is that the pulse transformer design can satisfy the demand of IGBT solid switch .

挤包绝缘电缆电压击穿试验的数理统计

Mathematical Statistics of the Voltage Breakdown Test on Cables with Extruded Insulation

加压水介质耐μs级高电压击穿实验研究

Investigation of high electrical breakdown for pressurized water dielectric with microsecond charging

亚微秒负脉冲高电压击穿的水介质开关特性的实验研究

Experiments on Negative Pulse High-voltage Breakdown on Water Switching in the submicrosecond Regine

电极表面光滑程度对水介质高电压击穿的影响

Influence of polished surface of electrodes on high electrical breakdown for water dielectric

加压乙二醇/水混合液耐μs级高电压击穿实验研究

Investigation of high voltage electrical breakdown of pressurized glycol / water mixture with microsecond charging

首先，进行了加压水介质耐高电压击穿技术的研究。

High electrical breakdown experiments for water dielectric and for pressurized water dielectric are carried out with microsecond charging , respectively .

结果表明：抛光电极表面可有效提高水介质耐高电压击穿能力；

The experimental results are shown as follows : ( 1 ) polished surface of electrodes effectively improves the capacity to maintain the high electrical voltage for water dielectric ;

对水介质加压，将压缩电极表面气泡，减少气泡数目，从而可以提高水介质耐高电压击穿能力。

Primary mechanism to improve electrical breakdown strength for pressurized water dielectric is that , bubbles on the surface of electrodes is compressed by pressurization and the number of the bubbles is reduced .

针对变压器高压绕组侧的高电压击穿问题，本文提出采用红外温度传感器代替传统的铂电阻进行非接触式温度测量，并从红外温度传感器的测温原理、测温特点等方面进行了详细的分析。

Aiming at the problem of high - tension breakdown in the high - tension side of the transformer , this paper introduced a kind of new measurements employing an infrared temperature sensor to replace Pt resistance , and analyzed its operating principles and characteristics .

在煤矿供电中，由于井下设备所处的环境恶劣，设备易受潮、绝缘自然老化、机械损失及过电压击穿、人为的误操作等原因都极易引起供电线路及设备缺相或短路。

In coal mine power supply , the well descends the environment of the equipments bad , the equipments affects by damp and cold , insulates the nature easily aging , the machine loses and conducts electricity to press to broke through , artificial mistake operation etc.

薄栅氧化层斜坡电压TDDB击穿参数的研究

Voltage Ramp TDDB Test and Research of the Parameters of Breakdown

脉冲电压下击穿时延分析

Analysis of Breakdown Time Delay Under Impulse Voltage

结果表明：喷嘴外径增大，起晕电压和击穿电压升高。

Test results show that the corona 's onset and breakdown voltage both rise with increasing OD of the nozzle .

利用高电压来击穿其两电极之间的气体绝缘层，从而产生电弧的一种电火花点火设备。

Using the high voltage between the two electrodes to breakdown of gas layer , thus generating an electric arc ignition devices .

分析和实验表明，这种新型高分子纳米复合薄膜可有效提高间隙的电晕起始电压和击穿电压。

Analysis and experimental results show that the new polymer nano-composite film can effectively increase the corona inception voltage and breakdown voltage .

传统的击穿电压和击穿电流的气体检测方法建立在气体剧烈放电基础上，会对电极的纳米结构造成严重破坏。

The traditional detecting method is based on the strong gas ionization current , which will destroy the nano structure of the electrode .

在相同温度下，增大异极距可以增大起晕电压与击穿电压之间的差值。

At the same temperature , it increases the difference between the corona onset voltage and the breakdown voltage when increasing the heteropolar distance .

极板间距加大会导致放电电压和击穿电压升高，并且使放电电流降低。

The increase of the distance between the electrodes resulted in increase of the discharge voltage and breakdown voltage , and decrease of the current .

此外，在混合气体中，仅仅依靠击穿电压和击穿电流值并不能同时获得测试气体的种类和浓度信息。

Furthermore , the type and concentrate of the detecting gas can not be obtained only using the value of the breakdown voltage and breakdown current .

介绍了等价掺杂转换方法的基本理论，然后运用该理论得到了用于低压功率器件优化设计的系列击穿电压和击穿峰值电场强度计算公式，并正确地预示了最大击穿电压和击穿峰值电场强度的位置。

The basic principle of this method is introduced and a set of breakdown voltage and peak field plots are provided for the optimum design of the low voltage power devices .

研究结果表明：接枝聚硅氧烷后，改性的低密度聚乙烯的树枝引发示性电压、击穿场强、耐环境应力开裂性、拉伸强度及断裂伸长率都得到提高。

Results of study show that inception voltage of electrical tree , breakdown voltage , environmental stress cracking , tensile strength and elongation at break of low density polyethylene are improved after grafting .

研究表明，在电极气含水条件下，仍可得到稳定的流光电晕，并且放电电压和击穿电压也相应提高。

The experimental results showed that steady streamer corona could occur when water vapor existed in the region around the discharge electrode . The discharge voltage and the breakdown voltage increased as the moisture content increased .

发现气体开关间隙的击穿电压和击穿间隙随充气气压的增加而变大；而击穿电压的变化趋势却不完全同步于主电容的充电电压。

The research found that the breakdown voltage and delay time are larger when the air pressure increased , but the trend of the breakdown voltage is not completely synchronized in the charging voltage of the capacitor .

阐述了毛细管中气体的击穿模型，并对低击穿电压He-Ne激光器击穿过程的某些争论提出了看法。

The modeling of gas breakdown in the capillary is described and the view on the discussion of breakdown process in low breakdown voltage He-Ne lasers is presented .

利用高重频YAG激光作用在固体表面所产生的等离子体使工件和电极之间在电压远低于击穿阈值的条件下产生放电。

When a high repetitive rate YAG laser pulse acts on a metal surface used as one of two electrodes , a plasma plume is produced , and a discharge occurs between the electrodes at a voltage far below breakdown threshold .

关于电力变压器油纸绝缘用耐受电压法代替击穿法的研究

Study on Testing Oil-Paper Insulation of Power Transformer by Withstand Voltage Method Instead of Breakdown Method

分析总结了室温条件下油纸复合绝缘结构击穿特性随油流速度变化的规律，以及不同电压波形对击穿的影响。

At room temperature , the influence of voltage waveform and velocity to the oil-paper insulation is anlysed and concluded .