局部放电的统计参量,即指纹参量是评定绝缘放电状态的重要参量。
The statistical operators of partial discharge, namely fingerprint parameters, are important parameters of PD, which can be used to estimate PD condition of insulation.
研究结果表明,人工神经网络对油纸变压器绝缘放电有足够的识别能力。
The investigation shows that ANN has enough ability to recognize different types of discharge of oil-paper insulation in transformers.
这些放电细胞通常是相互绝缘。
These cells are normally electrically isolated from one another.
变压器内部绝缘的缺陷是引起变压器局部放电的主要原因。
The defect of transformer inner insulation is the main element causing the part discharge of the transformer.
声发射探测技术是监测由局部放电引起的液—固复合绝缘电力设备的突发性故障的有效方法。
Acoustic emission detection technology is an effective way to monitor sudden failure caused by partial discharge (PD) in liquid-solid composite insulation of electrical equipment.
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 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.
局部放电给变压器绝缘带来极大危害。
The part discharge will bring the greatest dangers to trans former insulation.
局部放电测量是诊断定子绕组绝缘最为有效的方法的之一。
On-line partial discharge monitoring is one of the most effective methods for winding insulation diagnosis of large generator stator.
本文试图根据电容器极对壳绝缘的局部放电试验结果,对其绝缘老化进行判断。
This paper tries to predict the insulation ageing of power capacitor according to the pole-to-case partial discharge test.
文章根据污秽放电伴随的超声信号,提出用声发射信号来反映绝缘子的污闪过程。
In this paper, the method which can judge the working condition of the insulator based on the acoustic emission is given (AE method).
实验结果表明,所提方法能剔除冗余的直流局部放电特征量,获取绝缘性能诊断规则,所得知识能很好地诊断电气设备绝缘性能。
The experimental results show that the proposed method can remove the redundant feature parameters of DC partial discharge and acquire the diagnosing rules for insulation performance.
大型电力变压器的局部放电在线监测技术是高电压绝缘检测与诊断领域研究的热门课题。
Large power transformer partial discharge on-line monitoring technology is a hot topic in high voltage insulation detection and diagnosis domain.
局部放电试验对干式绝缘电气设备存在的弱点或缺陷具有很好的检测作用,但常常因为干扰的影响,使测试无法达到满意的效果。
Partial discharge test have good detection effects the weak points and defects of dry insulation inductor, but the test often couldn't attain the satisfied purpose because of the interference.
为了研究大气压空气等离子体对绝缘材料表面改性的影响,采用介质阻挡放电对聚苯乙烯进行了表面改性。
In order to study the effect of atmospheric pressure air plasma on insulating material surface modification, using dielectric barrier discharge to modify polystyrene surface.
局部放电模式识别是一种高电压设备绝缘故障诊断的有效方法。
Partial discharge pattern recognition is considered as an effective tool for insulation fault diagnosis on high voltage electric equipment.
监测系统工作原理是通过监测电缆放电信号和直流泄漏电流信号综合评估电缆绝缘状态。
The working principle of the developed monitoring system is to assess comprehensively the insulation status of DC feeder cable through monitoring discharge signal and DC leakage current signal.
局部放电是评定高压电器设备绝缘老化程度的重要参数。
Partial discharge is important parameter for evaluating insulation ageing of high voltage electric appliance and equipment.
空气绝缘起始放电电压在不同压力下表现出不同的特征。
The initial discharge voltage using pressured air as insulation medium has different characters under diverse pressures.
大型电力变压器局部放电信号的特征提取是电气设备绝缘在线监测及故障诊断技术领域的前沿研究课题。
The feature extraction of partial discharge signal of transformer is the front research project in online monitoring and diagnosing high voltage insulation failure.
局部放电测量是诊断电力设备线圈绝缘状况的一种重要方法。
Measurement for partial discharge current is a important method of diagnosing insulation condition of electric power equipment.
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.
局部放电测量技术作为检验电气设备内部绝缘好坏的有效手段得到越来越普遍的应用。
The PD measuring technique is widely used as an effective method of evaluating internal insulation status for electric equipment.
讨论了高频辉光放电等离子体系统中绝缘衬底表面的自负偏压问题,用等效电路方法给出了自负偏压的数学解析。
Selfnegative bias on insulate substrate surface of rf glow discharge plasma reactors is studied theoretically. The mathematical analysis has been obtained by equivalent circuit method.
在一个实施例中,一种被用于缓解CF R P部件表面放电的方法包括:首先,应用绝缘底层涂料于金属部件。
In one embodiment, a method for mitigating electrical surface discharges from a CFRP component includes first applying an insulating primer to a metallic component.
腔体厚度以及腔体和金属电极之间的绝缘气体层厚度的变化,对放电区的温度分布也会产生一定的影响。
Besides the above factors, the thickness of the metal crust and the insulated gas width between the crust and metal electrode will also affect the temperature distribution to some extent.
聚乙烯阳极外磁绝缘离子二极管阳极等离子体的形成基于阳极聚乙烯膜表面脉冲放电过程和阴极电子轰击效应。
The formation of anode plasma in external magnetic field MID is derived from the pulsed discharge and electron impact on the surface of anode polymer.
绝缘介质层的二次电子发射,使放电电流增大。
The secondary electron emission from the dielectric layer makes the discharge current increase.
介绍了影响固体绝缘材料在变压器油中沿面放电特性的主要因素。
In this paper, main influential factors on dielectric surface discharge in transformer oil are discussed.
局部放电特性是电机绝缘状态的重要指标之一。
The feature of partial discharge is an important aspect of generator insulation.
根据对变压器油纸绝缘内部常见缺陷的分析,进行了局部放电模型试验。
The model test of partial discharge is carried out based on the analysis of defect in oil paper insulation of transformer.
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