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.
研究了局部放电灰度图像的统计特征。
The statistic character of PD gray degree images are studied.
分析了GIS局部放电中白噪声干扰。
研究了局部放电信号在其中传播的频率特性。
The propagation frequency characteristics of PD signals are studied.
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.
这种击穿一般为局部放电现象，对此我们将在后文中进一步分析。
The breakdown is always preceded by partial discharge phenomena that we shall analyze further on.
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.
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.
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.
宽频带局部放电检测技术能够全面地研究局部放电的特征。
The characteristics of partial discharge can be detected by the wide band partial discharge measurement of the current sensor.
提出了脉冲电压下局部放电(PD)信号的提取和统计方法。
The extraction and counting method for partial discharge (PD) under pulse voltage was proposed.
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.
利用上述特性，可以在干扰环境下有效地进行局部放电测量。
Using these characteristics, partial discharge in interference environment can be measured effectively.
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.
测量局部放电的方法较多，本文着重讨论脉冲电流法及在线监测。
There are more methods to measure the part discharge, but this paper mainly discusses the pulsating current and the online monitor.
文中还对电容器直流局部放电测量时所应注意的问题进行了讨论。
The paper also discusses some problems about the DC partial discharge measurement for capacitors.
实验结果表明，该系统能够采集到GIS中局部放电产生的特高频信号。
Experimental results show that the system can acquire and extract the UHF partial discharge signal in GIS.
变压器局部放电在线监测是高电压绝缘检测与诊断领域研究的热点课题。
On-line PD monitoring of power transformer is presently the research hotspot in the area of high voltage insulation measurement and diagnosis.
提出了改进的空间屏蔽滤波算法，并将其应用于局部放电脉冲信号的提取。
In this paper, an improved spatial mask filter algorithm is proposed and applied in partial discharge pulse extraction.
视在放电量的标定是利用脉冲电流法进行变压器局部放电在线监测的前提。
Calibration of discharge quantity is required for on line monitoring of partial discharge in power transformers.
研制了局部放电超声波检测系统，并对局部放电模型的放电特性进行了研究。
A new partial discharge (PD) ultrasonic detection system is developed to investigate the characteristics of PD models.
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.
传统的局部放电检测仪是以硬件为中心的局部放电检测设备，它具有一些缺陷。
The traditional partial discharge detector is a device that detects the partial discharge, it has some shortcomings.
电力变压器局部放电在线监测是当前高电压绝缘检测与诊断领域研究的热点课题。
On-line PD monitoring of power transformer is Presently the research hotspot in the area of high voltage insulation measurement and diagnosis.
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.
实例分析表明，该算法程序简单，易实现，速度快，能满足局部放电在线监测的需要。
The examples show that it is simple, straightforward and fast, which can satisfy the need of PD monitoring on-line.
常规的局部放电实验无法检测试品的实际放电量，这不利于对局部放电机理的教学和研究。
Usually partial discharge measuring deveices can not detect real discharge magnitude, it is disadvantageous for teaching and investigation of partial discharge mechanism.
结合图象识别技术，提出一种采用局部放电灰度图象的统计特征区分局部放电类型的方法。
This paper brings forward a new method to use statistical features of partial discharge (PD) gray intensity images for PD pattern recognition.
结合图象识别技术，提出一种采用局部放电灰度图象的统计特征区分局部放电类型的方法。
This paper brings forward a new method to use statistical features of partial discharge (PD) gray intensity images for PD pattern recognition.
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