局放,partial discharge
1)partial discharge局放
1.Theory and application study of on line test and self trigger ultrasonic passive localization for partial discharges(Ⅱ);超声自触发式在线检测的局放被动定位原理与应用研究(Ⅱ)——介绍实验室和现场运行结果
2.Theory and application study of on-line test and self-trigger ultrasonic passive locailization system for partial discharges (Ⅰ);超声自触发式在线检测的局放被动定位原理与应用研究(Ⅰ)
3.It is always difficult to detect partial discharge signals under heavy interference at online monitoring.局放在线监测中,从强干扰中提取出局放信号是其中的难点问题。
英文短句/例句

1.The Improvement of Partial Discharge-Resistance Device and Measurement of Partial Discharge-Resistance of Inorganic-nano Polyimide;无机纳米聚酰亚胺耐局放装置的改进及其耐局放性能测量
2.Relationship Between UHF Signal Energy and Charge Quantity of Partial Discharge in Transformer Oil变压器油中局放UHF信号能量与放电量的关系
3.2.in 50th during which Japan compelled the Taipei authorities to give up war reparations;五十年代 ,日本迫使台湾当局放弃赔偿 ;
4.The authorities will not let them get away with it easily.当局不会轻易放过他们。
5.Partial discharge measurementsGB/T7354-1987局部放电测量
6.Packages were badly banged around by the post office包裹被邮局乱扔乱放。
7.partial discharge inception voltage test局部放电起始电压试验
8.National Agency for the Adiministration of Radioactive Waste国家放射性废物管理局
9.They are the more insolent, and it is the nearer ended.他们越放肆,结局就越近。
10.And when you examine a question, you have to bear in mind the overall interests, keeping in view the world, the future, the present and all other factors.要从大局看问题,放眼世界,放眼未来,也放眼当前,放眼一切方面。
11.Analysis of Partial Discharge Impulse Frequency Spectrum and Selection of Pass Bandwidth of a Partial Discharge Measuring Device局部放电脉冲频谱的计算分析与局部放电测量装置通频带的选择
12.Study of Radiotherapy and Chemotherapy for Locally Advanced Nasopharyngeal Carcinoma and Related Radiophysics;局部晚期鼻咽癌放化疗及相关放射物理研究
13.The application of the gas drainage technology in Donghai coal mine is introduced, including gas drainage in close coal layer, gas drainage in goaf, gas drainage from coal, and local gas drainage.介绍瓦斯抽放在东海矿的应用,抽放方式为邻近层抽放、空区抽放、本煤层抽放及局部抽放。
14.So in the end the army authorities turned their prisoners loose.最后部队当局把他们的犯人都释放了。
15.Our Inspection Bureau won't let go anything defective.我们的商检局决不会放过任何次品。
16.Office of Civilian Radioactive Waste Management民间放射性废弃物管理局
17.The sector has created a new situation in opening-up.铁路对外开放呈现新局面。
18.During the period of "the eighth five-year plan" China's opening up to the outside world took on a new phase“八五”期间中国对外开放出现新局面
相关短句/例句

PD局放
1.Discussion on On-Line PD Measuring Method for Terminal of HV Cable;高压电缆终端头在线局放测试方法探讨
2.The transportation of PD pulse in a cross-linking cable system runs in a given mode,which is detected and analyzed in an actual cross-linking cable system.通过在一个真实的交叉互联系统上的试验,在一相上加电压,激发出精确预制在电缆附件中缺陷的局部放电,采用差分法和宽频带脉冲检测器等方法对在系统内设计好各测点的局放脉冲进行检测并对此放电脉冲在不同频带下传播的特性进行分析,得出局放脉冲在交叉互联系统中传播的规律和特点,并提出如何利用这些规律和特点进行电缆局部放电的在线实测。
3.Research and Application of PD Test Technology for Power Transformer Based on UHF Method;概述了基于超高频的变压器局放检测方法的原理,分析了其抗干扰性能,并与脉冲电流法进行了对比。
3)partial discharge (PD)局部放电(局放)
4)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
5)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
6)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。
延伸阅读

局部放电局部放电partialdischarge电力设备绝缘在足够强的电场作用下局部范围内发生的放电。这种放电以仅造成导体间的绝缘局部短(路桥)接而不形成导电通道为限。每一次局部放电对绝缘介质都会有一些影响,轻微的局部放电对电力设备绝缘的影响较小,绝缘强度的下降较慢;而强烈的局部放电,则会使绝缘强度很快下降。这是使高压电力设备绝缘损坏的一个重要因素。因此,设计高压电力设备绝缘时,要考虑在长期工作电压的作用下,不允许绝缘结构内发生较强烈的局部放电。对运行中的设备要加强监测,当局部放电超过一定程度时,应将设备退出运行,进行检修或更换。