1) partial discharge pattern
局部放电谱图
2) phase resolved partial discharge pattern (PRPD)
局部放电谱相位图
3) 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
4) PD
局部放电
1.
Preliminary Study on Signal Extraction Technology for PD 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 on PD 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.
The PD 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
5) 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。
6) 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。
补充资料：局部
一部分；非全体：～麻醉 ㄧ～地区有小阵雨。
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参考词条