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.
本文所取得的结论对变压器局部放电在线监测系统的设计具有一定的指导意义,其中一些方法经实测数据的验证,可直接用于局部放电在线监测。
Conclusions drew in this thesis can be used to guide the design of on-line monitoring system, some of which, tested by on-site data, can be directly applied in on-line PD monitoring of transformer.
为了满足局部放电在线监测的在线准实时要求,提出了改进的尺度空间滤波算法,并将其应用于局部放电脉冲的提取。
In order to satisfy the quasi real-time requirement of generator PD online monitoring, an improved scale space filtering technique is proposed and applied in PD pulse extraction.
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.
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.
在水轮发电机局部放电在线监测中,脉冲识别是关键技术之一。
Partial discharge (PD) pulses recognition is one of the key techniques in the on-line PD monitoring for Hydro-generators.
介绍了一种虚拟仪器技术在电力变压器局部放电在线监测系统中的应用。
The application of virtual instrument technology, which is used in the on-line partial discharge detecting system for power transformer is introduced in this article.
提出了一种用于现场的发电机局部放电在线监测系统的实现方案。
The on-line monitoring and diagnosis system for large generator stator windings partial discharge is presented.
变压器局部放电在线监测能及时发现变压器内部缺陷,近年来已经成为研究的热点。
On-line partial discharge (PD) monitoring of power transformer is very important to find the fault in transformers and has become a hotspot in research.
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。
The on line monitoring of partial discharge is an effective approach for diagnosing the faults of stator winding insulations in HV rotating electrical machines.
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.
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.
提出并研究了一种抑制变压器局部放电在线监测中电磁干扰的新方法。
In this paper, a new method to suppress electromagnetic interference in on line partial discharge monitor of large power transformer is presented and studied.
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.
局部放电在线检测技术是高压旋转电机定子绕组绝缘监测的有效方法。
On-line Partial Discharge (PD) detection is a common method for insulation monitoring in high voltage electrical machines.
大型发电机绝缘局部放电在线监测对传感器的灵敏度、抗干扰能力都有着较高要求。
The on-line monitoring of partial discharge in large-scale generator insulation has a high requirement on sensitivity and anti-interference of sensor.
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.
局部放电在线检测可以及时反映电力设备绝缘老化情况,是状态监测和故障诊断的重要手段。
Partial discharge (PD) on-line detection can timely reflect the degradation degree of power apparatus, thus becoming a useful technique for condition monitoring and failure diagnosis.
电流传感器是电力设备局部放电在线监测系统中的一个重要组成部分,其局部放电信号传输特性直接影响测量结果。
Current sensor is an important element for on line PD monitor of electric power equipment and its transfer characteristic has a direct influence on PD measurement.
在分析用IIR陷波滤波器来抑制局部放电在线监测中周期性干扰的基础上,提出和论述了级联式II R陷波滤波器基本原理及简明设计方法。
We analyze rejecting periodic interference in PD monitoring on line through cascade IIR digital wave notch filter. The principle and simple design method are proposed and discussed.
利用变压器局部放电在线监测系统进行信号采集,获得了多种统计参数和放电谱图的变化特征。
Using the MD monitoring system, some statistical parameters and N-, QMAX- spectrum of difference stages have been obtained.
利用变压器局部放电在线监测系统进行信号采集,获得了多种统计参数和放电谱图的变化特征。
Using the MD monitoring system, some statistical parameters and N-, QMAX- spectrum of difference stages have been obtained.
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