Development of Energy Assimilating LR-snubber for the High Voltage Power Supply Breakdown 高压电源短路能量吸收装置LR-snubber的研制
Analysis of the Voltage Breakdown Characteristics of Electronic Vacuum Devices 电真空器件管壳耐压特性分析
Study on Testing Oil-Paper Insulation of Power Transformer by Withstand Voltage Method Instead of Breakdown Method 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
High Voltage Transmission Lines Breakdown Characteristic Caused by Bird Excrement Flashover and Countermeasure 高压输电线路鸟粪闪络故障特征及防止对策
Discussion about Several Issues on Voltage-resisting Breakdown Test 抗电击穿试验中几个问题讨论
The high voltage endurance test device for switch tube is composed of high voltage pulse generator, high voltage breakdown detector, trigger, auto-controller and DC/ AC converter. 开关管冲击耐压装置由高压脉冲产生器、击穿检测器、触发器,及自动控制器、DC/AC变换器等构成。
Experiment on the Corona Onset Voltage and Breakdown Voltage of Simulative Static Two-Phase Mixture of Gas and Solid in Non-Uniform Electric Field 静态模拟气固两相体起晕和击穿的实验研究
Investigation of high voltage electrical breakdown of pressurized glycol/ water mixture with microsecond charging 加压乙二醇/水混合液耐μs级高电压击穿实验研究
The increase of the distance between the electrodes resulted in increase of the discharge voltage and breakdown voltage, and decrease of the current. 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。
Results of the research indicated that: ( 1) Three electrode structure bringed in pulse high voltage can increase breakdown voltage and enhance the stabilization of streamer discharge, which is advantageous for production of prompt energetic particle and for increasing the removal efficiency of VOCs. 三种电极结构引入脉冲高压可以提高电极间的击穿电压,并使流光放电更加稳定,产生瞬间的高能粒子,从而提高甲苯和氯苯的脱除效率。
The insulation characteristic of insulator in vacuum is researched in the process of the high voltage breakdown along the insulator surface in vacuum, which is called vacuum surface flashover. 绝缘子的真空表面绝缘特性研究真空下的高压沿绝缘子表面击穿物理过程,称真空表面闪络过程。
The basic methods of the mathematical statistics used to treat data of the voltage breakdown tests on cables with extruded insulation are presented. 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;
This paper introduces four methods of arc building with capillary plasma such as high voltage breakdown method, a staged spring for capillary plasma arc method, wire exploding method and plug ignition method. 介绍了高压击穿法、多极触发法、熔丝熔爆法、活塞起弧法4种毛细管等离子体电弧的工作原理及各自特点:高压击穿法利用分级供电脉冲电源技术实现了电源小型化;
Development of a Real-Time Data Acquisition and Monitoring System for the AC High Voltage Breakdown and Withstand Test 交流高压击穿和耐压试验用实时数据采集和监测系统的研制
Experiments with FCG show that voltage breakdown and fabrication tolerance causes most of the flux losses. 从FCG装置的实验中得到了FCG设计中存在的主要问题是击穿和装配公差。
Further analysis is conducted on the dependence of breakdown voltage, second breakdown voltage/ current, turn-on resistance and dissipated power on gate length, based on MEDICI simulation. 基于仿真结果首次讨论了GGNMOS的栅长对其一次击穿电压、二次击穿电压和电流、导通电阻、耗散功率等的作用。
In the three-phase power supply system in mining wells, the method to detect the single-phase breakdown earth phase in the system of neutral point unconnected to earth is the next to the phase with the highest voltage in the three-phase voltage is the breakdown phase. 在矿井三相供电系统中,中性点不接地系统中单相故障接地相的判断法:三相电压中以指示值最高相为依据,按相序顺序往下推移一相才是故障相。
High voltage nanosecond breakdown in dielectric 纳秒级高压脉冲下绝缘击穿特性的研究
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. 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。
A coaxial electrode experimental apparatus with water dielectric capacitor was set up, high voltage breakdown experiments for polished and unpolished surface of electrodes with microsecond charging were respectively carried out. 采用水介质同轴实验装置,改变电极表面的光滑程度,在μs级充电时进行水介质击穿实验,并对实验结果进行了分析和解释。
Mathematical Statistics of the Voltage Breakdown Test on Cables with Extruded Insulation 挤包绝缘电缆电压击穿试验的数理统计
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. 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。
Analysis and experimental results show that the new polymer nano-composite film can effectively increase the corona inception voltage and breakdown voltage. 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。
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. 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。
Corona onset voltage and spark breakdown voltage decreases as the temperature increases, but the spark breakdown voltage drop faster. 起晕电压与火花击穿电压会随着温度的升高而降低,火花击穿电压下降的更快。
In this work, dark discharge current of gas ionization sensor and the character of the pulse current after breakdown were studied other than the decrease of breakdown voltage and breakdown current value, which were main methods for previous research. 本论文避开传统的依靠击穿电压下降和击穿电流值来检测气体的方法,重点研究了场致电离传感器的暗电流和气体击穿后脉冲电流特性。
At the same temperature, it increases the difference between the corona onset voltage and the breakdown voltage when increasing the heteropolar distance. 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。
Furthermore, the type and concentrate of the detecting gas can not be obtained only using the value of the breakdown voltage and breakdown 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。
But the reactive power compensation equipment is parallel capacitor, the bad reactive power-voltage characteristic of capacitor is difficult to stop the voltage breakdown which is result from the fast voltage decrease. 然而,广安电网的无功补偿装置为并联电容器,电容器不良的无功&电压特性,难以阻止电压快速下降导致的电压崩溃。