GIS局部放电,GIS partial discharge
1)GIS partial dischargeGIS局部放电
英文短句/例句
1.Measuring partial discharge of GIS under the operating voltage正常运行电压下GIS局部放电测试
2.Research on UHF Detection for Partial Discharge in GIS;GIS局部放电特高频检测技术的研究
3.Detection On-Line of Patial Discharge in GIS;GIS局部放电在线监测系统的研制
4.Study on Ultrasonic Characteristics of Typical Partial Discharge of GIS典型GIS局部放电超声波信号特征研究
5.Application of the Weibull Distribution to Recognition of GIS PD PhenomenaWeibull分布在GIS局部放电识别中的应用
6.Experimental Research on Partial Discharge Localization in GIS Using Ultrasonic Associated with Electromagnetic Wave Method采用声电联合法的GIS局部放电定位试验研究
7.The Wavelet De-moise and Pattern-recognition Research in GIS PD;GIS局部放电小波去噪与模式识别的研究
8.GIS Partial Discharge Detection and Biomimetic Pattern Recognition Based on UHF Method基于UHF方法的GIS局部放电检测与仿生模式识别
9.Classification of ultra high frequency partial discharge signals in gas insulated switchgear based on complex wavelet transformGIS局部放电超高频信号复小波的模式识别
10.Field application of partial discharge testing and positioning technology for GISGIS局部放电检测与定位技术的现场应用
11.Study of Partial Discharge in GIS Based on Narrow Band UHF基于超高频窄带法的GIS局部放电的研究
12.Envelope Analysis and Defects Identification of Partial Discharge UHF Signals in GISGIS局部放电超高频信号的包络分析与缺陷识别
13.Noise Reduction Using Wavelet for Envelope Signal of Partial Discharge in GISGIS局部放电包络信号噪声抑制的小波方法
14.The Research of Processing Signal and Location in On-line Partial Discharge Monitoring System for GIS;GIS局部放电在线检测系统中的信号处理与放电点定位的研究
15.Partial Discharge On-line UHF Monitoring System Based on Virtual Instruments Technology for GIS;基于虚拟仪器技术的GIS局部放电超高频在线监测系统的研究
16.Study on Detection of Partial Discharge in Gas Insulated Substation by Rectangular Patch Micro-strip Antenna and Pattern Recognition Based on Fractal Feature;GIS局部放电微带贴片天线与基于分形理论的模式识别研究
17.Application Comparison between Conventional and Ultrasonic Detection Methods for GIS Partial DischargeGIS局部放电常规检测和超声波检测方法的应用比较
18.Characteristics of PD EM-wave Modes in GISGIS中局部放电电磁波的模式特性
相关短句/例句
Partial discharge局部放电
1.Typical model design of partial discharge in transformer;变压器局部放电典型模型设计
2.Identification and countermeasures for interference source at site of partial discharge test;现场局部放电试验中干扰源的识别和采取的对策
3.Research on the on-line monitoring system for partial discharge of hydro-generators;水轮发电机局部放电在线监测系统研究
3)PD局部放电
1.Preliminary Study on Signal Extraction Technology forPD Pulse Based on Independent Component Analysis;局部放电脉冲信号ICA提取技术的初步研究
2.Study of bubble development in transformer oils based onPD measurement in negative point-plane gaps;基于负极性下局部放电测量的变压器油中气泡发展过程实验研究
3.ThePD Detection of GIS in Service Using UHF-Acoustic Method;运行中GIS局部放电超高频-超声波的联合检测
4)partial discharge(PD)局部放电
1.This paper introduced the work principle of Ultrasonic to measure partial discharge(PD)in transformers,and the composition of positioning system.阐述了超声波测量变压器局部放电的机理及定位系统的组成、局放超声波信号的频谱分析、定位算法的实现,最后指出超声定位的注意事项及局限性。
2.The key techniques about the sensing,data acquisition and processing,pattern recognition and calibration of ultra-high-frequency (UHF) signals are illuminated and the present status of field applications of on-line UHF partial discharge(PD) detection method is summarized in this paper.从传感器、超高频信号的采集处理、信号的模式识别及超高频信号的标定等几个关键技术出发,对超高频法在电力设备局部放电在线检测中的应用现状进行了综述,并对超高频法在实际应用中存在的问题进行了探讨。
3.It is difficult to measure the partial discharge(PD) signals because the signals may be submerged or flooded when the surrounding noises are severe.局部放电极易被噪声污染,众多干扰中载波通讯、高频保护、无线电广播等周期干扰尤其严重,而窄带干扰严重时可能完全淹没局部放电信号,这给局部放电的检测工作带来了巨大困难。
5)partial discharge (PD)局部放电
1.Obtaining the partial discharge (PD) characteristic is one of the key issues of PD ultra-high frequency (UHF) detection.获取局部放电(PD)特征信息是局部放电特高频(UHF)检测的关键问题之一,研究UHF信号与PD脉冲电流之间的关系有助于绝缘缺陷的诊断。
2.The selections of center frequency and bandwidth are very important to detection, calibration and pattern recognition of ultra-high-frequency (UHF) partial discharge (PD) signals in transformers.变压器局部放电特高频检测中,检测频率和带宽的选取对于放电信号的提取,进而对放电的标定及局部放电模式识别特征的保留具有决定作用。
3.A new-type external antenna of ultra high frequency (UHF) partial discharge (PD) detection system is designed according to the wave-guide structure of gas-insulated metal-enclosed switch gear (GIS) and the wide band frequency spectral features of PD excited by electromagnetic waves.根据气体绝缘的金属封闭式组合电器(GIS)的波导结构及局部放电脉冲所激发的电磁波的宽频带特征,建立了外部天线超高频局部放电检测系统。
6)partial discharges局部放电
1.Location ofpartial discharges fault in transformer winding;变压器绕组局部放电故障的定位
2.A system based on Fabry-Perot(FP) acoustic sensor is designed for on-line detection of ultrasonic signals generated bypartial discharges in transformer oil.为在线测量变压器油中局部放电产生的超声波,建立了非本征型光纤法珀(FP)传感系统,传感器的传感单元FP腔由石英膜和尾纤端面组成,声波作用于石英膜上产生振动调制入射光波,通过解调含有局放信息的输出信号,可对变压器运行状态进行在线检测。
3.The significance of on line monitoringpartial discharges(PD) of electric apparatus insulation and diagnosing condition of electrical apparatus based on “finger print”(3 D φ q n pattern) are demonstrated .阐述了在线监测电力设备绝缘局部放电以及放电指纹对诊断电力设备绝缘状态的重要意义。
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