探索综合利用故障初始电流、电压行波线模分量实现配电线路双端故障测距的新方法。
A new method of fault location for distribution feeders based on the aerial mode component of fault generating current and voltage traveling waves is discussed.
放线架、各段绞笼体、线模座、计米装置、双轮牵引装置、收排线架、传动系统和电控系统。
Pay-off strand, stranding cartage, compact die stand, counter meter, double draught wheels, take up and traverse device, mechanical transmission system and electrical control system.
利用线模电流的小波变换系数进行测距,不仅不受故障电阻的影响,也不受故障起始角的影响。
The location result is not influenced by fault resistance and inception Angle when wavelet transform coefficient of aerial mode current is used in fault location.
利用微机进行辅助设计,不仅有利于线模、线圈的设计、制造,还可实现汽轮发电机线圈压模的数控加工。
CAD is favourable not only for designing and manufacturing of wounding model and stator coils, but also for numerical control machining of the press-form for turbogenerator stator bars.
此外,故障电压行波于非对称短路点发生线模与零模行波相互交叉透射,致使故障电压自然频率“混叠”。
In addition, line mode and zero-mode voltage wave cross each other at the point of fault which causes the natural frequency "aliasing".
制陶器最重要的工具是工匠们自己的双手,但有时他们也用些别的工具,如绳圈、木模、素线、海绵等。
The most important tools potters use are their own hands; however, they also use wire loop tools, wooden modeling tools, plain wire, and sponges.
在这个屏幕快照中,有一个针对分模线的附件(工程师将在这个附件就绪时填充它)和一个针对这个更改请求的项目计划的附件。
In the screenshot there is an attachment for the die line (the engineer will populate this attachment when it is ready) and an attachment for the project plan for this change request.
我们定义了一些附件数组来保存美术作品文档,并定义了一些附件字段来保存营养标签和分模线(die line)。
Attachments arrays are defined to hold artwork documents, and attachment fields are defined to hold the nutritional label and die line.
一般连续退火出口模要选择比实际需要线径大0.0015—0.0035比较合适。
General continuous annealing export should choose to die than actual need wire diameter 0.0015-0.0035 more appropriate.
从图3- 12可以看出,共模电流(ICM)是从电源线经过电源变压器通过电容耦合(CCOUPLING)而产生的。
As shown in Figure 3-12, common - mode current (ICM) is caused by capacitive coupling (CCOUPLING) from the power line through the power transformer.
退火后线径变细:铜线在硬态时,出口模就是定径模,张力大小不至于把线径拉丝。
When annealed wire diameter necking: copper wire in hard state, export module is sizing die, tension size not the wire diameter wire drawing.
从2002年第一台旋转模切生产线设计完成后,先后为多家模切厂商设计制造了不同规格的旋转模切机。
The first revolving die cutting production line design completed after 2002, has successively made the different specification revolving die-cutting machine for many die cutting manufacturer design.
有标定指数的制模线吗?
扭线机与卡式模可快速切换。
目的:用电脑计算在每个物体中每点处点源释放出的原始光子和平均能量损失,以获得光子线在水模体中的剂量分布情况。
Object: Using computer to calculate average energy lost by photons at every points in each body, in order to determine the dose distribution of photon radiation in the water phantom.
高速讯号线和个人电脑及电脑周边的高密度组装之电子设备的共模杂讯抑制。
Common mode noise suppression of signal lines in high speed and high density digital equipment as personal computers and peripherals.
本文在耦合模理论的基础上,运用有限差分法数值模拟了布拉格亮孤子在抛物线平方变迹光纤光栅中的传输特性。
On the basis of the coupled mode theory, the finite-difference method is used to simulate the transmission of Bragg bright solitons in parabolic squared-apodization fiber gratings.
微带线泄漏一般分为表面波形式和空间波形式两类,其中微带线高次模泄漏一般以空间波的形式发生。
The leakage of microstrip line has two forms: the surface wave form and the space wave form, and the higher order modes on microstrip line mostly leak as space wave form.
凹模型孔设计有一定圆角,凸模带有侧刃,并采用了可靠的定位等措施有效地控制了六角工件的对角线尺寸。
The diagonal dimension of the hexagon parts is controlled by reliable position setting units, small round corner for female module designing and the male module with lateral sharp edge.
本文为了配合月球射电仪天线的研究,推导了奇模四线传输线变压器的传输系数。
To help researching the lunar radio telescope, the transmission coefficient of odd mode four-wire transmission line transformer is derived.
本公司拥有先进的塑模生产线和配套专业机械制造。
In the Company, there is an advanced mould production line and matching production of special machinery.
通过对九线基座、接线柱定位夹具注射模镶件的工艺分析,确定了成型镶件分半镶拼式结构。
An injection mould with half-parting inlaying structure was developed based on the analysis on forming process of wiring terminal positioning fixture with nine-thread pedestal.
结晶器铜管在引仲加工过程中,由于凹模中心线与机床运动方向轨迹线不同,造成加工干涉和产品缺陷。
In the course of drawing process, the process interference and defect take place because of the difference between the centerline of concave die and the trace of moving direction.
分别用固定长度保偏光纤和可变光延迟线实现偏振模色散(PMD)补偿的实验。
Experiments of compensation for PMD were done using fixed length of PMF and variable optical delay line, respectively.
采用加权曲面参数方程拟合型腔侧壁曲面的算法,实现了子午线轮胎活络模模具型腔曲面的构造。
Apply the weighted surface parameter equation to fit the algorithm of cavity lateral surface, and realize the cavity surface construction of radial parting mold of meridian tire.
本文给出了一种温度控制变结构系统(VSS)滑模开关线的选择方法,结果表明该方法是行之有效的。
This paper presents a selection method of sliding-mode switcher wire of a variable structure system (VSS) controlled with temperature, and the practical results show this method to be effective.
本文提出了一种计算方形对称传输线TE模的各模式的截止波数,以及根据各模式的截止波数计算各模式的色散曲线的方法。
This paper puts forward a computation method on cut-frequency of all TE models of square symmetry wire by which chromatic dispersion curves can be drawn.
对高模低缩型聚酯帘线进行特性研究,结果表明。
A study on characteristics of HMLS polyester cord has been made.
与正折射率缺陷情形相比较,负折射率缺陷间的相互作用对缺陷模的影响更大,局域模谱线更宽。
Compared with the case of positive refractive index structural defects, the influence of the interaction between defects on defect modes is stronger, the spectrum-width of defect mode is broader.
与正折射率缺陷情形相比较,负折射率缺陷间的相互作用对缺陷模的影响更大,局域模谱线更宽。
Compared with the case of positive refractive index structural defects, the influence of the interaction between defects on defect modes is stronger, the spectrum-width of defect mode is broader.
应用推荐