1) faulty phase selection element
故障选相元件
2) fault phase selection
故障选相
1.
Improved criteria of grounding fault phase selection based on wavelet transform;
基于小波变换接地故障选相判据的改进
2.
Research on a fault phase selection algorithm based on fault transient voltage;
基于故障暂态电压的故障选相算法的研究
3.
Current status and development of fault phase selection of (E)HV transmission lines;
(超)高压输电线路故障选相现状及其发展
3) faulty phase selection
故障选相
1.
The ideas that current zero modulus portion’ high frequencies as fault characters to active differential protection in initial fault phase are presented,and fault current wave’s modulus characters implement faulty phase selection.
针对行波在水轮发电机定子绕组槽部和端部的传播特征,建立其分布参数的波动电路模型,提出将定子故障接地初瞬行波电流零模部分的高频分量作为故障判据进行行波差动保护,并通过接地时的电流模量特征实现故障选相。
2.
Using the fault components of current, positive-, negative- and zero-sequence currents are extracted, then correlation analysis of positive- and negative-sequence currents are performed; using fuzzy set, multi-characteristic criteria for correlation coefficients are established to conduct faulty phase selection.
提出了一种基于相关分析和模糊推理的故障选相元件。
3.
The fault feature parameters are extracted,subjection functions and fuzzy rules for identifying pattern of fault and selecting phase of fault are developed from perspective of fuzzy pattern recognition,and new algorithm of speedy comprehensive faulty phase selection based on stratified fuzzy reasoning is presented.
提取了用于故障选相的特征参数,从模糊模式识别的角度,制定了识别故障类型和故障相别的隶属函数及模糊规则,提出了基于分层模糊推理的快速综合故障选相元件新算法。
4) fault phase selector
故障选相
1.
Along with the continuous development of power system network and the continuous enhancement of voltage grade, the request is enhanced correspondingly to the fault phase selector.
随着电力系统网络规模的不断扩大和电压等级的不断提高,对故障选相装置的要求也不断提高。
2.
It includes fault resistance,system swing,series capacitor compensation influence to distance protection, and fault phase selector.
本文结合距离保护的实际应用情况,重点研究了距离保护的一些热点问题,主要包括过渡电阻、系统振荡、串补电容对距离保护的影响及故障选相问题。
3.
The result of fault phase selector during power swing is a precondition to switch off the correct fault phase and ensure the right operation of distance protection relays.
在分析现有振荡中选相元件需开放条件配合,导致出口延迟,且易出现误选,进而导致距离保护误动的基础上,提出了一种新型选相元件,此元件首先利用零、负序故障分量进行故障分区,在分区的基础上改变目前采用阻抗确定故障相的做法,而采用Clark变换,分别通过α,β模量信息进行故障选相。
5) Faulted phase selection
故障选相
1.
Study on faulted phase selection principle based on transient current;
基于暂态电流的故障选相原理的探讨
2.
The paper presents a novel principle for the faulted phase selection in the EHV power system based on the high frequency components of the faulted voltage.
提出一种基于故障分量中高频分量的故障选相断原理。
6) component failures
故障元件
1.
Through the fault hypothesis,they can accurately identify the component failures and quickly recognize the fault regions,and give the fault diagnosis using the simulation process and examples.
基于免疫遗传算法的特征,被广泛应用在电力系统中,并建立起数学模型,通过故障假说,能准确的识别出故障元件并能快速的识别故障区域,并利用仿真程序和仿真算例给出了故障诊断结果。
补充资料：二相──悉达太子二相
【二相──悉达太子二相】
﹝出佛本行集经﹞
梵语悉达，华言顿吉，即佛幼时之名也。二相者，谓佛初生时，净饭王令相师占之。相师云：太子相好，具有轮王及成佛之相也。
［一、轮王相］，轮王相者，谓转轮圣王，亦具三十二相也。相师言：太子具足是相，若其在家，当作转轮圣王，王四天下也。（三十二相者，足安平相、千辐轮相、手指纤长相、手足柔软相、手足缦网相、足跟满足相、足趺高妙相、腨如鹿王相、手过膝相、马阴藏相、身纵广相、毛孔生青色相、身毛上靡相、身金色相、身光面各一丈相、皮肤细滑相、七处平满相、两腋满相、身如师子相、身端直相、肩圆满相、四十齿相、齿白齐密相、四牙白净相、颊车如师子相、咽中津液得上味相、广长舌相、梵音深远相、眼色如金精相、眼睫如牛王相、眉间白毫相、顶肉髻成相也。四天下，即四洲，东弗于逮、南阎浮提、西瞿耶尼、北郁单越也。）
［二、成佛相］，成佛相者，佛具三十二相。相师言：太子具足是相，若舍王位，出家求道，必得成佛，名遍十方，化导一切也。
﹝出佛本行集经﹞
梵语悉达，华言顿吉，即佛幼时之名也。二相者，谓佛初生时，净饭王令相师占之。相师云：太子相好，具有轮王及成佛之相也。
［一、轮王相］，轮王相者，谓转轮圣王，亦具三十二相也。相师言：太子具足是相，若其在家，当作转轮圣王，王四天下也。（三十二相者，足安平相、千辐轮相、手指纤长相、手足柔软相、手足缦网相、足跟满足相、足趺高妙相、腨如鹿王相、手过膝相、马阴藏相、身纵广相、毛孔生青色相、身毛上靡相、身金色相、身光面各一丈相、皮肤细滑相、七处平满相、两腋满相、身如师子相、身端直相、肩圆满相、四十齿相、齿白齐密相、四牙白净相、颊车如师子相、咽中津液得上味相、广长舌相、梵音深远相、眼色如金精相、眼睫如牛王相、眉间白毫相、顶肉髻成相也。四天下，即四洲，东弗于逮、南阎浮提、西瞿耶尼、北郁单越也。）
［二、成佛相］，成佛相者，佛具三十二相。相师言：太子具足是相，若舍王位，出家求道，必得成佛，名遍十方，化导一切也。
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