The initial discharge voltage using pressured air as insulation medium has different characters under diverse pressures.
空气绝缘起始放电电压在不同压力下表现出不同的特征。
8Pa to 190Pa,discharge inception voltage decreased obviously and the 391.
进行大气压氦气介质阻挡放电,通过测量放电起始电压和发射光谱,研究本底空气压强BAP在0。
The results show that in SF6 there is obvious difference between the positive and negative onset voltage and the difference is increased by an increase of gas pressure.
在较大分子的气体(如SF_6)中,正、负电晕起始电压有明显差别,而且随着气体压强增加而增大。
In the paper,it has proved that the onset voltage of positive corona higher than that of negative corona using needle-to-plane electrodes simulation device,and this phenomenon is analyzed according to the metal-structure theory,band theory,Townsend discharge mechanism and space charge theory.
本文利用针-板电极模拟装置,通过实验证实正电晕的起始电压要高于负电晕的起始电压,并从金属结构和能带理论、汤生德放电机制以及空间电荷理论的角度对这一现象进行了剖析。
It is found that the initial voltage of PMMA is higher than that of AC,and lower than that of DC;with the frequency increasing,the initial voltage of PMMA has a descending trend;with the voltage increasing,the initial rate of PMMA is decreased.
实验表明不同频率ns脉冲下有机玻璃中电树枝引发的起始电压高于交流,低于直流,频率升高,电树枝起始电压有下降趋势;不同时刻有机玻璃的电树枝引发率,基本上随着电压等级的上升而下降;电子轰击、空间电荷分布和电机械应力对绝缘材料的电树枝引发具有关键作用,而在高频的脉冲强场下电机械应力起主要作用。
partial discharge inception voltage test
局部放电起始电压试验
insulating liquids-Determination of the partial discharge inception voltage (PDIV)-Test procedure
GB/T17648-1998绝缘液体局部放电起始电压测定试验程序
The Method for Measuring Initial Corona of Super High Voltage Transmission Line
超高压输电导线起始电晕电压测量方法的探讨
Influence of Humidity on Conductor Corona Onset Voltage
空气湿度对导线电晕起始电压的影响
The generation of electricity or of electric polarity in dielectric crystals subjected to mechanical stress, or the generation of stress in such crystals subjected to an applied voltage.
压电由机械压力引起电介质晶体放电或电极，或因应用电压而使电介质晶体产生压力
Test & Study about Influence of Air Relative Humidity on Corona Initial Voltage of Coils for High Voltage Electrical Machine
空气相对湿度对高压电机线圈电晕起始电压影响的试验研究
discharge tube:a closed insulating vessel containing a gas at low pressure through which an electric current flows when sufficient voltage is applied to its electrodes.
"放电管:装有低压气体的封闭绝缘容器,当电极有足够的电压时,通过它电流就开始流动."
discharge voltage time curve
放电电压 时间曲线
Analysis on Capacitor Differential Voltage Protection Action because of Poor Discharge Coil Characteristics
一起因放电线圈性能不良引起的电容器差压保护动作分析
Calculation of Preliminary Winding Parameters of Several Rectifier Transformers and Furnace Transformers;
几种整流变压器和电炉变压器绕组起始参数计算
Measurements and Analysis of Corona Onset Voltage of HVDC Test Line and Ion Current Density at Ground Level
高压直流输电试验线路的电晕起始电压及地面离子流的测量与分析
Polarization of 0?3 piezoelectric composite materials by corona?discharge?
0-3型压电复合材料的电晕放电极化
Voltage Delay on Li/SOCl_2 and BCX Cells during Discharge
Li/SOCl_2、BCX电池放电电压滞后研究
Numerical Simulation of Leader Inception on the Surface of UHV Bundle Conductors Under Lightning Background
雷电背景下特高压分裂导线表面先导起始的数值仿真
Studies on Overvoltage During Full-Voltage Starting in HVDC Transmission System
高压直流输电系统全电压起动过电压的研究
When I got to the cinema, the film had started.
我到电影院时电影已经开始放映了。
amplifier-type voltage regulator
放大器式电压调节器
dynamic convergence amplifier
动态会聚电压放大器