Condenser's capacity and breakdown field strength are two important indicators of electrical properties. 电容和击穿场强是电容器的两个重要电性能指标。
The electrical strength of vacuum insulation system is usually limited by the flashover phenomenon across the surface of insulator in vacuum. Multilayer high gradient insulator technology, a new insulator structure, is reported to perform higher breakdown electric field strength than conventional insulators. 真空中沿面闪络现象是制约真空设备耐压强度的一个重要因素,采用多层高梯度绝缘技术,比传统绝缘结构能显著提高击穿场强。
Amorphous alumina films with a breakdown field strength of 3~ 4 MV/ cm were grown by reactive RF magnetron sputtering in an oxygen and argon mixture. 在氧气和氩气的混合气氛中,利用反应射频磁控溅射铝靶制备了非晶氧化铝薄膜,其直流介电强度为3~4MV/cm。
The experimental results present that breakdown electric field under repetitive nanosecond-pulses is much lower than that under single pulse, and breakdown electric field of higher repetition rates is adjacent to DC breakdown electric strength. 实验结果表明在板&板电极结构的电场中,重复频率条件下的击穿场强比单次脉冲明显降低,高重复频率时击穿场强趋向于直流的击穿场强;
Based on the test result, this paper proposed that: ( 1) Design the breakdown experimental device and measurement system that meet the experimental demand, and analyze the electrostatic field of electrode model as well as estimated formula of the peak field strength; 通过实验及其结果分析,本文的主要结论有:(1)设计的液体介质击穿模型及其测量系统满足实验要求,且分析得出了电极模型的静电场及峰值场强的估算公式;
These results indicate that after nitridation, the distribution of breakdown field strength narrows, its dependence on electrode area decreases, and the maximum breakdown field strength degrades slightly. 研究结果表明,氮化后击穿场强的分布变窄,对栅电极面积的依赖性减弱,最大击穿场强略微下降。
Properties of hybrid films including the morphology, thermal stability, mechanical properties, and electrical breakdown field strength were also characterized and tested. 本文对改性粉体的沉降体积、亲油化度、表面羟基,以及该杂化薄膜的微观形貌、热稳定性、力学性能、击穿场强以及介电性能进行表征与测试。
Research on breakdown characteristics becomes more and more attention under some extreme conditions, i.e. nanosecond pulses, strong electric field strength etc. Investigation about nanosecond-pulse breakdown comes from the fast development of compact repetitive pulsed power system, and the published data are relatively scarce. 纳秒脉冲、高场强等极端条件下电介质击穿特性的研究越来越受到关注,纳秒脉冲气体放电研究源于脉冲功率技术迅速发展的需求,目前国内外研究较少涉及。
The electrical properties of the composites were systematically analyzed by Holzer effect tester, dielectric relaxation spectroscopy and the breakdown field strength testing machine. 采用霍尔效应测试仪、介电松弛谱仪以及击穿场强试验机对复合材料的电性能进行了较为系统的分析。
Silicon carbide ( SiC), which has large band gaps, high critical breakdown field strength, high electron mobility and good thermal conductivity, is considered as an ideal material to manufacture the optoelectronic integrated device with high temperature, high frequency, high power and radioresistance. SiC以其特有的大禁带宽度、高临界击穿场强、高电子迁移率、高热导率等特点,成为制造高温、高频、大功率、抗辐照及光电集成器件的理想材料。