The results are useful to diagnose and analyze properties of partial discharge in transformers.
这些研究结果对于分析和诊断高压变压器内部局部放电的故障性质具有实际意义。
Large power transformer partial discharge on-line monitoring technology is a hot topic in high voltage insulation detection and diagnosis domain.
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。
The study of partial discharge (PD) in power apparatus is one of the most important subjects in the field of insulation diagnosis in electrical power system.
电力设备局部放电检测技术是当今电力系统绝缘诊断的一项重要研究课题。
The on line monitoring of partial discharge is an effective approach for diagnosing the faults of stator winding insulations in HV rotating electrical machines.
局部放电在线监测是诊断高压电机定子绕组绝缘故障的有效方法之一。
UHF partial discharge detection system for GIS is developed.
研制了一套GIS中局部放电的特高频检测系统。
The allowed value of partial discharge within the WGMOA must be reduced.
修正稿应降低WGMOA内部局部放电量允许值。
And the separation of partial discharge mixing signals is the main puzzle.
而组合绝缘缺陷局放混合信号的分离是主要难题。
GIS partial discharge; ultrasonic detection; ultra-high frequency detection.
GIS局部放电;超声波检测法;超高频检测法。
The feature of partial discharge is an important aspect of generator insulation.
局部放电特性是电机绝缘状态的重要指标之一。
The extraction and counting method for partial discharge (PD) under pulse voltage was proposed.
提出了脉冲电压下局部放电(PD)信号的提取和统计方法。
The paper also discusses some problems about the DC partial discharge measurement for capacitors.
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。
It has satisfying effect in the application of ultrasonic locating of transformer partial discharge.
将其应用于电力变压器局部放电点超声波定位中,收到了很好的效果。
Using these characteristics, partial discharge in interference environment can be measured effectively.
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。
Experimental results show that the system can acquire and extract the UHF partial discharge signal in GIS.
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。
The sensing method of the partial discharge pulse current in current transformer is re-searched experimentally.
对电流互感器的局放脉冲电流传感方法进行了实验研究。
Calibration of discharge quantity is required for on line monitoring of partial discharge in power transformers.
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。
The test results show that the repetition rate of partial discharge increases along with temperature and voltage.
实验结果表明,放电重复率随温度、电压的增加而增加。
It is comparatively difficult to carry out partial discharge detection as an after laying test for XLPE cable lines.
对敷设后的交联聚乙烯电缆进行局部放电检测比较困难。
A new partial discharge (PD) ultrasonic detection system is developed to investigate the characteristics of PD models.
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。
The ultra-high-frequency(UHF) method has been proved an effective way for the measurement of partial discharge in GIS.
对于GIS局部放电的测量,超高频法是一种较为有效的方法。
In this paper, an improved spatial mask filter algorithm is proposed and applied in partial discharge pulse extraction.
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。
This paper tries to predict the insulation ageing of power capacitor according to the pole-to-case partial discharge test.
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。
The model test of partial discharge is carried out based on the analysis of defect in oil paper insulation of transformer.
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 characteristics of partial discharge can be detected by the wide band partial discharge measurement of the current sensor.
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。
This paper introduces a continuous wavelet transformation for detecting the disturbed partial discharge pulses in HV transformer.
采用了子波函数对含强载波干扰的局部放电信号进行连续子波变换。
Based on analyzing the noise in the partial discharge pulses, the paper used the software and hardware method to suppress the noise.
在对局部放电脉冲采集过程中的干扰信号进行分析的基础上,采用软、硬件相结合的方法抑制干扰。
In addition, recent research on chaotic analysis of partial discharge is reviewed, and Suggestions are proposed for future research.
同时对近年来国内外关于局部放电的混沌分析方法的研究工作做了评述,并就进一步研究提出了看法。
On-line partial discharge monitoring is one of the most effective methods for winding insulation diagnosis of large generator stator.
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.
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。
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