本文还报告了同种煤的绝缘击穿电压及绝缘强度。
The paper also presents the results about dielectrical breakdown voltage test and dielectrical strength for the coal.
本文介绍了一种电力电缆绝缘击穿点定位的新方法。
This paper presents a new method for breakdown location on power cable insulation.
局部放电(PD)是导致高压电工设备绝缘击穿的主要原因。
Partial Discharge (PD) is the main cause of insulation breaking down of HV equipments in power system.
经时绝缘击穿(TDDB)是评价薄栅氧化层质量的重要方法。
TDDB(time-dependent dielectric breakdown)is a key method to value the quality of thin gate oxide.
槽楔松动脱落可能划伤转子绝缘和定子绝缘,造成定子线棒主绝缘击穿。
The loosening and dropping out of slot wedges may damage insulation of rotor and stator to cause stator insulation breakthrough.
应用混合计算智能方法,进行大型发电机定子绝缘击穿电压预测以对其剩余寿命进行评估。
A hybrid computing intelligence approach was used in the residual life prediction of large generator stator insulation.
绝缘薄膜材料在长期的运行过程中,受到电、热、机械和环境因素的联合作用,其性能将因此逐渐变坏,并最终导致绝缘击穿。
During the long operational time, the film insulation is exposed to the electrical, thermal and mechanical stresses, which will cause insulation degradation and lead to breakdown finally.
50KV采用计算机控制,通过人机对话方式,完成对绝缘介质的工频电压击穿,工频耐压试验。
ZJC-50KV controlled by computer, through the man-machine dialogue mode, the voltage breakdown insulation, power frequency withstand voltage test.
采用计算机控制,过人机对话方式,完成对、绝缘介质的工频电压击穿,工频耐压试验。
Using computer control, man-machine dialogue mode, the completion of the power frequency voltage breakdown of insulation media, power frequency withstand voltage test.
ASTM D149固体电绝缘材料在工业电源频率下的介电击穿电压和介电强度的试验方法。
Standard Test Method for dielectric breakdown voltage and dielectric strength of D149 ASTM solid electrical insulating materials at industrial power frequencies.
ASTM D149固体电绝缘材料在工业电源频率下的介电击穿电压和介电强度的试验方法。
Test method for ASTM D149 solid electrical insulating materials at commercial power frequencies the dielectric breakdown voltage and dielectric strength.
大电机绝缘寿命预测的困难在于如何根据各种测得的参数及其变化趋势预测残余击穿电压。
The difficulty to estimate insulation life of large electrical machin es lies in how to estimate residual breakdown voltage according to various parameters measured.
电气设备热故障会导致绝缘下降并击穿,使设备损坏,甚至引起火灾。
The heat fault of the electric equipment can cause insulation down and breakdown and makes the equipment damage, even gives rise to fires.
击穿电压在大电机主绝缘寿命评估中有着重要的作用。
The breakdown voltage plays an important role in predicting remaining life of the large generator ground wall insulation.
考察了阻燃剂磷酸脒基脲浓度、浸渍处理时间对阻燃效果的影响,并研究了绝缘纸经阻燃处理后热降解参数、剩炭率、击穿电压的变化情况。
Probed the effect of the content of guanylurea phosphate and the soaking time on flame retardation, at the same time the treated insulated paper was studied by thermal analysis.
击穿过程也使漆膜绝缘性能受到影响。
During rupture, the insulating properties of the film are also affected.
绝缘油击穿电压测试仪就是电力系统中测试绝缘油耐压强度的测试仪器。
Insulating Oil Testers is a kind of effective tool for testing the dielectric oil breakdown voltage in power field.
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 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.
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.
从绝缘油的击穿机理出发,分析了影响绝缘油击穿电压测定值准确度的主要因素,以及判断击穿电压测定值精密性和准确性的原则。
Based on the breakdown mechanism of insulating oil, main influential factors and judging principles on the accuracy of the test results are analyzed as well.
快脉冲下液体绝缘介质击穿特性是脉冲功率技术应用的基础。
The short-pulsed liquid dielectric breakdown characteristic is the basis of the application of pulse-power technique.
根据影响绝缘材料击穿的主要因素,着重阐述了交流耐压击穿装置的容量指标问题。
On the basis of primary factors influencing puncture of mediums, the capacity performance index of voltage resisting and puncture test is emphatically pointed out.
结果表明,棒形悬式瓷绝缘子重量轻,抗老化性能好,耐污性能较好,拉伸强度高,不可击穿,使用维护简便。
The results show that the long rod insulator features light weight, better anti-ageing performance, better anti-pollution behaviour, high tensile strength, puncture-proof and easy maintenance.
这一局限性会导致不能及时采取适当的补救措施,从而致使GIS的绝缘状况进一步恶化甚至击穿。
This limitation can cause delay in appropriate remedial measures to be taken, leading to further deterioration of GIS insulation or a total breakdown.
绝缘故障是线缆的常见故障之一,当两个绝缘线芯之间处于低绝缘(或不完全击穿)条件下其定位技术更为复杂。
Cable insulation fault occurs frequently. Its location is complicated especially when the dielectric strength between two adjacent cores becomes low (incomplete breakdown).
本发明提供一种绝缘栅双极晶体管(IGBT),所述绝缘栅双极晶体管占据小面积并且抑制热击穿。
Provided is an insulated gate bipolar transistor (IGBT) which occupies a small area and in which a thermal breakdown is suppressed.
在对绝缘介质击穿特性分析的基础上提出了一种电力电缆状态监测方法。
A state monitoring method of power cable based on the analysis of dielectric breakdown characteristic was presented.
目前国内普遍采用的检测绝缘聚合物击穿性能的方法是测试其电性能,这种方法可靠性较低;
The present method for testing aging and breaking-down property of polymer is usually carried out by testing its electrical property. This conventional is of low reliability.
目前国内普遍采用的检测绝缘聚合物击穿性能的方法是测试其电性能,这种方法可靠性较低;
The present method for testing aging and breaking-down property of polymer is usually carried out by testing its electrical property. This conventional is of low reliability.
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