1) turn-to-turn short circuit
匝间短路
1.
Analysis of the turn-to-turn short circuit of turbo generator rotor windings and its treatment;
汽轮发电机转子匝间短路的分析及处理
2.
Online Monitoring of the Rotor Turn-to-turn Short Circuit;
发电机转子匝间短路实时在线监测的应用
3.
Research and design on 750 kV parallel connection reactor new theories of the turn-to-turn short circuit and single phase earthing protection;
750kV并联电抗器新原理的匝间短路及单相接地保护研制
2) inter-turn short circuit
匝间短路
1.
Rotor inter-turn short circuit fault diagnosis based on the change of amplitude and phase angle;
基于振幅和相角变化的转子匝间短路故障诊断研究
2.
There are many techniques for checking and testing the rotor winding,especially the inter-turn short circuit fault,but most of them are not so perfect that it is difficult to identify the fault at its earlier stage.
大型发电机的转子绕组故障是比较常见的,而对转子绕组的检查特别是对绕组匝间短路的检测和判断方法虽然比较多,但大都不是很准确,在故障发生的初期很难判断出来。
3.
A novel scheme is proposed to position the slot of distributed polar rotor where the inter-turn short circuit occurs.
提出了定位隐极式转子匝间短路槽位置的方案:以在线磁场探测线圈为基础,结合小波变换这一新兴的数字信号处理(DsP)技术,对所获取的故障信号进行处理,并运用Mallat算法在高频带宽中重构出信号的细节部分,以此对转子匝间短路造成的被测电势信号的奇异点进行准确定位, 诊断出故障槽;在具有高速浮点运算能力的DSP芯片上进行高效率编程,生成转子匝间短路在线监测系统。
3) interturn short circuit
匝间短路
1.
Application of wavelet analysis on fault diagnosis of interturn short circuit in rotor windings;
小波分析在转子绕组匝间短路故障诊断中的应用
2.
On line detecting of interturn short circuit and temperature in rotor winding were intruduced in this paper.
对发电机而言 ,转子在线检测比定子要难得多 ,本文主要介绍了转子线圈的匝间短路和温度在线检
3.
Electromagneic characteristic of the interturn short circuit in turbo-generator rotor windings is analyzed.
分析了汽轮发电机发生转子绕组匝间短路故障时的电磁特性,提出了基于小波分析的故障检测与诊断方法。
4) interturn short-circuit
匝间短路
1.
The fault mechanism of interturn short-circuit in generator rotor windings and the theory of wavelet analysis are analyzed.
分析了发电机转子绕组匝间短路故障的机理,以及小波分析方法用于该故障的检测原理,将小波变换应用于突变信号的检测,提取其故障特征,以实现对转子绕组匝间短路故障的检测及故障点的定位。
2.
States the general structure of rotor of turbogenerator and causes of interturn short-circuit in rotor wingings.
阐述了汽轮发电机转子的一般结构和转子绕组匝间短路的原因,主要对转子绕组匝间短路的磁场进行了数学分析,得出转子匝间短路时磁场信号的故障特征,为信号的后续处理提供了良好的依据。
3.
Electromagnetic characteristic after interturn short-circuit fault occurs in generator rotor winding is analyzed and the feature of fault identification is obtained.
分析了发电机发生转子绕组匝间短路故障后的电磁特性,得到识别故障的特征,根据在确定状态下,发电机磁势保持不变,运用人工神经元网络方法,通过对故障样本的比较,诊断出转子绕组匝间短路故障。
5) turn to turn short circuit
匝间短路
1.
Analysis of turn to turn short circuit of 50MW hydrogen inner cooled generator rotor winding;
50MW氢冷发电机转子绕组匝间短路分析
2.
Based on the analysis of fault mechanism especially the magnetic characteristics of turn to turn short circuit of rotor windings in turbo generator, the relationship between fault magnitude and loss of effective magnetic field is derived.
通过对汽轮发电机转子匝间短路故障的机理分析 ,特别是对其电磁特性分析 ,确立了匝间短路故障严重程度和有效磁场损失之间的定性对应关系。
6) rotor inter-turn short-circuit
转子匝间短路
1.
Diagnosis of generator rotor inter-turn short-circuit based on wavelet analysis;
基于小波分析的发电机转子匝间短路故障诊断方法研究
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