1) piate-line distance shorten failure
极间距变小故障
2) fault location
故障测距
1.
Study on fault location for distribution lines based on wavelet fuzzy neural network;
基于小波模糊神经网络配网馈线故障测距的研究
2.
An optimal combined transmission line fault location technique based on travelling wave principles;
基于行波原理的优化组合故障测距技术
3.
Traveling wave fault location system based on wavelet transform;
基于小波变换的行波故障测距系统
3) fault locating
故障测距
1.
Research on the EHV long-line fault locating;
超高压长线路故障测距研究
2.
Application of distributed wavelet neural network based on multi-information in electric power system fault locating;
多信息量分布式小波神经网络在电力系统故障测距中的应用
3.
Research on fault locating of power traction system with series compensation;
带串联电容补偿装置的电力牵引网故障测距研究
4) fault range finding
故障测距
1.
A kind of new fault range finding system applied in 750 kV transmission line was introduced.
该系统以电流电压混合行波为电气量,以小波变换技术为分析工具,实现了精度小于500m的故障测距,弥补了对终端线路单纯采用电流行波测距的不足。
2.
On the basis of describing the principles of fault range finding with one and two-terminal traveling wave method, the paper mainly discusses the basic theories of wavelet transform and modulus maximal value which are applied in fault range finding of traveling wave.
在介绍单端和双端行波法故障测距原理的基础上,着重讨论小波变换的基本理论及其模极大值理论在行波测距中的应用,提出故障暂态分量奇异性的基本判据和补充判据。
3.
This paper presents a fault range finding device based on Kalman Filtering.
本文介绍了一种运用卡尔曼滤波进行故障测距的装置，通过在５００ＫＶ，３７６。
5) fault distance measurement
故障测距
1.
A new fault distance measurement method of avoiding transition resistance;
一种可避免过渡电阻影响的故障测距新方法
6) distance-to-fault
故障距离
1.
With this method, we can analysis some parameters of the antenna and cable system, such as reflectance, standing wave ratio, DTF(distance- to- fault) and return loss, it breaks away from the traditional fix- after- failure maintenance process by finding small, hard to identify problem before major failures occur.
应用该方法,可以对天馈系统的反射系数、驻波比、故障距离和回波损耗等参数进行细微分析,在天馈系统出现重大故障前发现细小的、难于确认的问题,打破了传统的在发生故障之后修理的维护方法。
补充资料：极间距
极间距
space between the electrodes
一些金属水溶液电解的极间距一嚷面庵百轰;一上十珠竺百丽留赤惫倚{念添.{-岩丽熔盐电解极间距是指阴、阳二电极工作面之间的垂直距离。在铝电解中，为便于测量，一般常取阳极底掌至铝液镜面之间的垂直距离为极间距，一般在4omm左右。J ljlonJU极间距(spaee between the eleetrodes)电解槽中垂直且平行放置的相邻二同名电极的中心距离，又叫同极距。极间距是电解槽设计和电解作业中需予考虑和控制的技术参数。极间距小，可多放电极，故在单块电极面积、电流密度、电解槽尺寸相同的情况下可提高劳动生产率，节省基建投资。另外，极间距小槽电压也较低，有利于降低电解电耗。但极间距小，电极短路的危险性增加，并加重操作人员的槽面检查和照应工作;此外，阴极沉积产物中机械混入阳极泥的机会增加，使电解产物品级下降和贵金属损失增加。选择极间距需考虑的因素有阳极的品位、成分、贵金属含量，阳极厚度和寿命，电极的制作质量，电解流循环方式和速度，电解槽结构特点(有无隔膜、刮晶机等)，短路检测手段和生产管理水平及电能价格等。尽可能缩小极间距是电解槽设计和电解操作普遍应遵循的原则。一些金属水溶液电解的极间距举例于表。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条