牵引网建模,traction network modeling
1)traction network modeling牵引网建模
2)mathematical model of traction network牵引网数学模型
3)tractive network牵引网络
1.Effect oftractive network voltage-drop on locomotive speed;牵引网络压降对机车速度的影响
4)traction network牵引网
1.An improved algorithm based on equivalent circuit of autotransformer-fed(AT-fed) systems was proposed to calculate power flows of electrictraction networks.在自耦变压器(AT)等值电路的基础上,提出了牵引网潮流的改进算法。
2.In terms of domestic indoor section posts of the electrified double-tracked railwaytraction network, there are more than 10 types of main electrical schemes for the primary system.在国内复线电气化铁道牵引网运行的户内型分区所中,一次系统主接线有10余种。
3.The simple,fast and accurate fault location fortraction network of electric railway is the problem to be solved urgently.简单、快速、准确的故障测距是电气化铁道牵引网急需解决的问题,为此,提出一种利用线路单端电压及电流的测量值来进行精确故障定位的新算法,该算法采用分布参数模型,精确考虑了分布电容对测距算法的影响,大大提高了测距算法的精确度。
英文短句/例句
1.Research on Fault Location of All-Parallel at Traction System;全并联AT供电牵引网故障测距研究
2.A New Method of Reverse Phase Power Supply System on Up and Down Lines in Double Line at Traction Network复线AT牵引网上下行反相供电新方式
3.Actualize Clock Synchronization of Fault Location of All-paralleling at Feeding System by Precision Time Protocol精密时间协议实现牵引网故障测距时钟同步
4.A Study of Fundamental and Harmonic Frequency Modeling for Traction Network of Electric Railways;电气化铁道牵引网基波与谐波模型研究
5.The Study and Application of Series Compensation Set in Electrified Railway Traction Network;电气化铁道牵引网串联补偿装置的研究与应用
6.Research on Fault Location Device for Traction Line of Electrification Railway;电气化铁道牵引网故障测距装置的研究
7.Research on at Traction Suck Current Rate to Improve the Accuracy of the Fault LocationAT牵引网吸上电流比测距精度改进的研究
8.Derivation of AT Traction Network Equivalent Circuit with Protective Wire’s Effect Reckoned计入保护线影响的AT牵引网等值电路推导
9.Discussion on Vector machine-based AT Power Supply Traction Net Fault Location基于支持向量机的AT供电牵引网故障测距研究
10.tractive power牵引力, 牵引功率
11.Stage 2B: Operculated, traction to retina released.有盖的，（玻璃体）对网膜的牵引解除。
12.Development of Laser Ranger Finder System of Contact Wire for Power Supply in Railway牵引供电接触网激光测距系统的开发
13.tractor semitrailer牵引机牵引的半拖车
14.tractive effort牵引(效)力, 牵引作用, 挽力
15.a conical net dragged through the water at great depths.深海中通过海水的力量牵引的圆锥形网。
16.Research on Networks Communication System of Traction Power Supply Automation of High-speed Railway;高速铁路牵引供电自动化网络通信系统研究
mon Malfunction Analysis and Countermeasures for Contact Net in the Traction Power Supply System牵引供电系统接触网常见故障分析及对策
18.trains hauling above normal tonnage(指铁道) 超轴牵引
相关短句/例句
mathematical model of traction network牵引网数学模型
3)tractive network牵引网络
1.Effect oftractive network voltage-drop on locomotive speed;牵引网络压降对机车速度的影响
4)traction network牵引网
1.An improved algorithm based on equivalent circuit of autotransformer-fed(AT-fed) systems was proposed to calculate power flows of electrictraction networks.在自耦变压器(AT)等值电路的基础上,提出了牵引网潮流的改进算法。
2.In terms of domestic indoor section posts of the electrified double-tracked railwaytraction network, there are more than 10 types of main electrical schemes for the primary system.在国内复线电气化铁道牵引网运行的户内型分区所中,一次系统主接线有10余种。
3.The simple,fast and accurate fault location fortraction network of electric railway is the problem to be solved urgently.简单、快速、准确的故障测距是电气化铁道牵引网急需解决的问题,为此,提出一种利用线路单端电压及电流的测量值来进行精确故障定位的新算法,该算法采用分布参数模型,精确考虑了分布电容对测距算法的影响,大大提高了测距算法的精确度。
5)AT traction networkAT牵引网
1.The equivalent circuit ofAT traction network currently used ignored protective wire’s effect, which leaded to biggish errors.为了方便分析AT牵引网的电气特性,通常采用等值电路的分析方法。
6)traction line牵引网
1.There are two common methods applied in thetraction line fault location,the traveling wave method and the impedance method.由于牵引网故障测距常用的两大算法阻抗分析法和行波分析法在不同的情况下各有优缺点,因此很难用一种算法取得理想的测距结果。
2.Steady-state phasor estimation of pre- and post-fault is important for fault location oftraction line.牵引网故障前后稳态相量幅值和相位的估算对测距的精度有着至关重要的影响。
3.Locating the fault accurately and timely can not only contribute to restore the faulttraction line and relieve the intension of surfaceman, but also be propitious to improve the reliability and safety of the railway.牵引网的精确故障定位，有助于及时修复故障线路，减轻维护人员体力劳动，对铁路安全经济运营具有十分重要的意义。
延伸阅读
交流牵引网对通信线路的影响与防护交流牵引网对通信线路的影响与防护the interference and protection of AC traction network on overhead communication lineJ旧01一u qlanylnwang du一tongx旧x一onlu dey一ngx旧ng yufanghu交流牵引网对通信线路的影晌与防护(theinterferenee and Proteetion of AC traetionnetwork on overhead eommunieation line)交流牵引网的电流和电压可在其周围空间产生磁场和电场，并对位于其磁场或电场内的架空通信线路产生磁感应电动势或静电感应电压，对通信设备和人身安全构成危险。牵引电流中的高次谐波分量(见电力牵引高次谙波)还可在通信线路中产生杂音干扰电动势，影响通话质量。影响分类及标准分为危险电压影响和杂音干扰影响两大类。危险电压影响又可分为由牵引网电场产生的静电感应电压影响和由工频牵引电流磁场产生的纵向感应电动势影响;干扰影响则由牵引电流中的谐波成分引起。权威的影响标准是由国际电报电话咨询委员会(CCITT)制定的，中国也采用这一标准.其中有关交流电气化铁道的允许标准如表1.也不相同，其中对800H:频率最为敏感.为了评价各次谐波电流综合产生的杂音干扰影响，可将各次谐波产生的谐波电压换算成等效于800 Hz的综合杂音干扰电压口一丫艺(尸‘u，)，(3)式中Um为综合杂音干扰电压，mV;尸‘为不同频率的音响系数;U了为某单一频率谐波电流产生的谐波电压，mV。防护措施通常可从电气化铁路和通信系统两方面采取措施。在电力牵引供电系统采取的措施有牵引网采用BT供电方式或AT供电方式，缩减供电仲长度，设置回流线和装设R一C滤波器等。(1)牵引网以BT方式供电(见电力牵引BT供电方式)。在BT供电方式时，牵引电流墓本上全程由回流线返回，只有在机车与变电所侧吸上线间的局部区段才不经回流线而由钢轨返回。这种局部按T一R方式(见电力牵引直接供电方式)供电的长度视BT间距和机车取流位置不同而异，最大可达半个BT间距。BT供电方式对减轻感应影响的能力可用屏蔽系数表示衰1交流电气化铁道对通伯晚路危脸电压和杂奋千扰电压允许标准┌────┬────────────────┬──────┬─────┐│通信线路│感应纵电动势允许位(V)│静电感应电流│杂音电动势││ 种类 ├──┬───────┬─────┤允许位(mA) │(mV) │││正常│姐路事故 │条件困难时││ │├────┼──┼───────┼─────┼──────┼─────┤│架空线 │60 │430│150│15 │1。
