In wide gap, there are a series of transmission bands composed of some discrete peaks. 得到在入射角大于全反射临界角时,在很宽的禁带背景中,透射谱存在一系列通带的结果。
Drag onto the page to add an equivalent series element, general, in series with guided transmission path. 拖到绘图页后,可以添加等效串联元件(常规、与导向传输路径串联)。
Research on application of wavelet packet transform based boundary protection on fixed series compensated EHV transmission lines 基于小波包变换的暂态电流保护在带固定串补的超高压线路上的应用研究
New Generation N Series Transmission for Light Truck 新一代轻型汽车用N系列变速器
On the basis of nodal admittance equation and the state of compensating device while fault occurs, a fault location algorithm suited to series compensation transmission lines is proposed. 作者基于传输线的节点导纳方程考虑了故障时串补装置的状态,提出了一种适用于串补线路的故障定位算法。
We design a series of mechanical transmission device to realize automatic control. 并针对被测物为板件的特点,设计了一套适用于该实时成像系统的机械传动装置,并实现对其的自动控制。
Comparative analysis of series compensated and non series compensated EHV transmission line in power frequency over-voltage and switching over-voltage is destriked in this paper. 对有补偿和无补偿的超高压输电线路在工频过电压、操作过电压方面进行了对比性研究。
Analysis of Time Series of Transmission of SARS SARS疫情传播的时间序列分析
Analysis and calculation of a type of switching overvoltage due to the discharge of capacitor banks, which may be above SSIL of EHV series compensated transmission lines, is performed. 分析计算了超高压输电线路采用串联补偿后,由于串补保护回路的放电而可能出现的一种危及线路绝缘的过电压现象。
With the proposed technique, a passive component is viewed as a series of cascade transmission line discontinuities along the direction that is perpendicular to the layer surfaces. 在这种技术中,一个无源元件被看作一系列传输线不连续沿分层表面垂直方向的级联。
The series of locomotive transmission shafts are cylindric welded components with small diameter, which have many welding difficulties and high quality requirement. 机车传动轴系列零件为小直径回转体焊接件,焊接难度大,质量要求高。
When series capacitors are connected in series with the transmission line, they can compensate the impedance of the transmission line, reduce the voltage loss, improve the stability of the transmission system, and optimize power sharing between parallel circuits. 在输电线路中串入串联电容器,可以补偿线路阻抗,减少电压损失,提高电力系统的稳定性,并能优化并联回路之间的电力分配。
An auto-welding device for series of locomotive transmission shafts 机车传动轴系列零件自动焊接装置
Accurate fault locating algorithm for series compensated transmission line based on the differential equation method 一种基于微分方程法的串补线路精确故障测距算法
The paper introduces overseas AC variable frequency electric rig system, features and range of use, presents emphatically AC variable frequency electric rig series, transmission and features made by American National-Oilwell Co. 本文介绍了国外AC变频电驱动系统和AC变频电驱动石油钻机的优点和特点、适用范围,重点介绍了美国National-Oilwell公司、IRI公司;
Subsynchronous Harmonic Vibration Analysis and Prevention Measures Comparison on Series Compensation Transmission Line System 串补输电系统次同步谐振分析及防止措施比较
This paper studies the negative sequence directional protection ( NSDP) as the primary protection of series compensated UHV transmission line. 文中对带串补的特高压线路采用负序方向高频保护作为主保护方式进行了研究。
Analysis of parametric sensitivity of electrical mode dampings for subsynchronous resonance in series compensated transmission system 串联补偿输电系统次同步谐振的电气模态阻尼的参数敏感性分析
The test results in this paper show that ZnO arrestor unit with a series gap for transmission lines is able to cut off power frequency current quickly before the circuit breaker operate. 试验研究证实:氧化锌限流元件串联放电间隙能够在断路器动作之前,快速截断工频续流。
Secondary Arc Current of Series Compensated EHV Transmission Lines 超高压串联补偿输电线路的潜供电流
A transmission line is the part of the power system where faults are most likely to happen. The series compensated transmission lines are usually high voltage long distant line via complicate topography, so the chance rate of fault is higher. 输电线路是电力系统故障多发生部分,加装串补装置的输电线路通常为长距离的高压线路,经过的地形复杂,发生故障的几率比较高。
Performance of negative sequence directional protection on series compensated ultra-high-voltage transmission line 特高压串补线路负序方向高频保护行为分析
However, if the resonant frequency of series compensated transmission network and the natural frequency of turbine-generator shaft complement each other ( the sum is equal to synchronous frequency), it may result in Subsynchronous Resonance ( SSR). 然而,当串联补偿输电网络形成的电气谐振回路的固有频率与汽轮发电机组轴系扭振固有频率互补时(其和等于同步频率),就会发生次同步谐振(SSR)问题。
In this paper, it is presented that an accurate fault location algorithm for series compensated transmission lines what condition of series capacitors and their MOV protection is taken into consideration. 文章提出了一种适用于串补输电线路的故障定位算法,计及了故障时串补及其保护装置的状态。
Occurrence and development of optical amplifiers ( OA) are major technology driving forces for ultra-high bit rate SDH transmission systems and ultra-large capacity WDM transmission systems. However, OA also bring a series of transmission impairments. 光放大器(OA)的出现和发展是超高速SDH传输系统和超大容量波分复用(WDM)传输系统得以迅速发展的主要技术推动力量,然而也随之带来了一系列传输损伤。
In the financial and e-commerce, with the interoperability between enterprises more and more widely, business interaction is a series of information transmission, within stateful, long-running interactions involving two or more parties. 在金融和电子商务领域,随着企业间的互操作越来越广泛,业务之间的交互是一连串的信息传递,涉及双方或多方的有状态的长期运行交互。
An algorithm using power frequency fault components due to series capacitor compensation is discussed. A new approach for series compensated transmission line based on wavelet transformation is presented in the thesis. 本文在小波变换的基础上提出了适合于串补线路的新算法。
Passive system mainly uses gravity compensation and the torque balance to achieve compensation, and active system uses a series of mechanical transmission and motor drive system to achieve compensation. 被动式系统采用配重法及力矩平衡理论解决了重力补偿问题,。而主动式系统则通过一系列机械传动机构及力反馈控制系统来组成微重力补偿系统。