您要查找的是不是:
- At the same time, the distribution of Partial Discharge (PD) on one bay in GIS can be also calculated via EMTP-ATP. 同时还模拟计算了GIS的局部放电在一条线路上的分布情况。
- Data acquisition system is a very important part in on-line partial discharge monitoring system of power transformer. 数据采集系统是电力变压器局部放电在线监测的一个重要组成部分。
- A UHF instrument which adopted frequency synthesis method used in exploring the partial discharge (PD) in GISs is introduced. 文中介绍一种采用频率合成技术对GIS腔体内放电所产生的甚高频响应进行检测的UHF测量设备。
- P.Kundu, N.K.Kishore, and A.K.Sinha, "Simulation and Analysis of Acoustic Wave Propagation due to Partial Discharge Activity," 2006, pp. 607-610. 潘文华.;(2001)
- An online monitoring and diagnostic new method to inspect XLPE cables partial discharge based on Feedback Terminal Unit (FTU) is established. 提出了一种基于馈路终端单元的XLPE电缆局部放电在线检测的新方法。
- In order to realize digitalization of partial discharge (PD) measurement, a set of digital PD measuring system is developed. 为实现局部放电测量的数字化,研制一套局部放电数字测量系统。
- High voltage switchgear, bushings, cables, and transformers are typical devices for which partial discharge effects should be considered in design. 高压开关设备,套管,电缆,以及变压器都是典型的在设计中必须考虑局部放电的设备。
- DCPD(Direct Current Partial Discharge) detection is used to estimate the insulation condition of high voltage storage capacitors. 直流局部放电测试能有效判断高压储能电容器的绝缘性能状态。
- Exothermicity and alternating internal stress are the key factors which make partial discharge channels keep on growing. 充电电压和放电反峰系数的增大使发热和介质内应力加剧,可以使寿命缩短90%25以上。
- Therefore, this over-voltage leads to partial discharge occurring in the interturn insulating materials of motor, which greatly harms motor insulation. 电机绕组上的过电压引发匝间绝缘材料内部的局部放电,最终导致电机匝间绝缘的失效。
- This paper investigates a new method of extracting partial discharge signals of hydroelectric generating set based on empirical mode decomposition (EMD). 摘要提出一种基于经验模态分解(EMD)的水轮发电机组局部放电信号提取方法。
- The transformer default is majority caused by the influence of outside factor in operating, which makes the bug of transformer extending, and producing partial discharge. 变压器发生绝缘故障原因大多数是在运行中受到外界因素的影响,使它固有的缺陷扩大,产生局部放电。
- Many factors affect the propagation of ultra high frequency (UHF) signals caused by partial discharge (PD) on the waveforms and energy of signals in transformer. 摘要变压器内部产生的超高频(UHF)电磁波信号在传播过程中,有很多因素会影响传感器所检测到的信号波形和能量。
- This is a new way via dissolved gases concentr ation analysis to find partial discharge and acconding to diagnosis system to confirm partial discharge level. 目前局部放电的监测因受到电磁干扰和噪声干扰的影响,都没能达到满意的效果。
- Defects in the cast-resin dry-type transformer, such as particles or voids, when apply voltage to this transformer will produce partial discharge activity. 中文摘要模铸型变压器所使用的绝缘树脂材料中,若有空隙或细微杂质残存,则当变压器被供电时,在该处将引发部分放电现象。
- The adaptive Gaussian representation (AGR), which has been used to extract partial discharge (PD) signals from colored noises (CN), is proposed in this paper. 摘要提出了一种从混合有色背景噪声环境提取变压器局部放电信号的方法-自适应高斯基表示。
- The methods of temperature on line monitoring, insulation material decomposer on line monitoring and partial discharge on line monitoring is discussed in this paper. 本文讨论了在实际应用中比较成熟的温度在线监测、绝缘分解物监测、局部放电在线监测等对绝缘状况进行在线监测的方法。
- The principle of partial discharge in equipment under DC voltage is analyzed. The characteristics of DC partial discharge are discussed. The test method is presented. 摘要分析了直流电压下设备的局部放电原理,论述了直流局部放电的特点,并提出了试验方法。
- Liu Yunpeng, Lv Fangcheng, Li Chengrong, et al.Study on pattern spectrum of partial discharge grayscale image[J].Proceedings of the CSEE, 2004, 24(5): 179-183. [8]刘云鹏;律方成;李成榕;等.;局部放电灰度图像数学形态谱的研究[J]
- The UHF partial discharge measuring system is developed based on the UHF sensor and consists of sensor, preamplifier, external trigger unit, spectrum analyzer and computer. 此测量系统由传感器、前置放大器、外触发单元、频谱分析仪以及计算机组成。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries