1) broken rotor bar
转子断条
1.
This paper focuses on the study of broken rotor bar fault diagnosis for squirrel cage induction motor,and concludes several effective methods.
对笼型异步电动机转子断条故障诊断进行了研究,归纳和总结出几种方法。
2.
The diagnosis of AC motor broken rotor bar fault falls into the category of pattern classification in some respects.
交流电动机转子断条故障诊断的问题可以归结为模式分类的问题,支持向量机是近几年来涌现的一种新型的针对小样本集合具有较好分类效果的方法。
3.
stator winding inter-turn short circuit (SWITSC) and broken rotor bar (BRB) fault.
基于多回路理论,建立了YN接、Y接、D接笼型异步电动机在正常、内部故障(定子绕组匝间短路与转子断条)情况下的多回路数学模型。
2) broken rotor bars
转子断条
1.
Easy-solved mathematical model of squirrel cage induction motor with broken rotor bars;
笼型转子断条感应电动机的易解数学模型
2.
This method has been successfully applied to the early fault diagnosis of broken rotor bars of induction motor.
讨论分析了双稳系统选取不同参数时,对输出信噪比的影响,并将该方法成功地用于异步电动机转子断条的早期故障诊断中。
3.
Based on it, a new method was proposed to detect the broken rotor bars according to the high order harmonic induced voltage in the stator windings.
根据这一特点 ,提出了一种诊断笼型感应电动机转子断条的新方法 ,即通过分析定子绕组中感应电压高次谐波的变化来确定转子断条故障 。
3) rotor bar breaking
转子断条
1.
According to the basic characteristic of rotor bar breaking fault in induction motors and the physical concept of Hilbert transform of sinusoidal signal,this paper presents the definition of Hilbert modulus of the filtered stator current signal of induction motors.
根据笼型异步电动机转子断条故障的基本规律与正弦信号希尔伯特变换的物理意义,将希尔伯特变换、频谱分析/校正与自适应滤波技术相结合,以获取定子电流滤波信号的希尔伯特模量,指出其在复平面所占面积可反映转子断条故障存在与否,且其数值伴随故障程度的加剧而增大。
2.
The double fault in squirrel cage induction motors, which means that rotor bar breaking fault and stator winding inter-turn short circuit fault occur simultaneously, has been investigated by the motor multi-loop model.
基于多回路理论,针对笼型异步电动机转子断条与定子绕组匝间短路双重故障进行研究。
3.
Rotor bar breaking fault was one of the common faults of squirrel-cage induction motors,rotor bar breaking fault which based on the stator current in the past few years and stuied.
转子断条故障是笼型异步电动机常见故障之一。
4) broken bars
转子断条
1.
The research of the fault diagnosis system in induction motor with broken bars;
感应电动机转子断条故障诊断系统的研究
2.
In allusion to disposing of the broken bars fault signal of asynchronous motor,A new method based on wavelet packets and FFT is presented.
针对笼型异步电动机转子断条故障信号的处理,提出了一种小波包分析结合FFT的处理方法。
3.
This paper briefly introduces the ways to detect rotor bar breaking fault on-line,and points out that how to detect exactly the broken bars fault signal is still the essential problem up to now.
本文探讨了一种笼型异步电动机转子断条故障在线检测方法,指出如何精确检测出电机转子断条故障信号是一个重要的问题。
5) rotor broken-bar
转子断条
1.
The effectiveness of extended Park s vector approach(EPVA) for diagnosing rotor broken-bar fault of cage motor driven by variable-frequency power is studied.
基于工频电源驱动时扩展Park矢量方法诊断笼型异步电机转子断条故障的有效性,研究了在变频电源供电情况下该方法的诊断有效性。
2.
In motor current signal analysis (MCSA) based fault diagnosis, quantitative evaluation of induction machine rotor broken-bar fault is allowed if the frequencies, amplitudes and phases of the fundamental side-band components aroused by rotor broken-bar fault are known.
在基于定子电流信号分析的感应电动机故障诊断中,通过求基波两侧由转子断条故障引起的边频分量的幅值、相位和频率,可以进行故障严重程度的定量估算。
6) rotor broken-bar fault
转子断条故障
1.
It is difficult to detect the rotor broken-bar fault feature component as it always hides behind the strong supply frequency component in the spectrum of the stator current.
在基于定子电流信号进行异步电机故障诊断时,转子断条故障特征频率分量常常被电流的基频分量淹没。
2.
It is difficult to detect the rotor broken-bar faults feature component as it always hides behind the strong supply frequency component in the spectrum of the stator current.
仿真和试验结果表明,该方法在对电机转子断条故障检测时,在不需要对分析数据进行整周期采样的前提下,能准确检测出转子故障时电流中的故障特征成份,证明了该方法的有效性。
补充资料：拉断法直接成条
分子式：
CAS号：
性质：又称拉断法直接成条。借助牵切罗拉将充分拉伸的丝束随机拉断制成的短纤维条。经并丝、牵扯伸、加捻就制成细纱。或直接制成细纱。具有工艺过程简单、纱风格与短纤维纱相似、手感柔软等优点。改变牵切罗拉的中心距离，可以改变拉断纤维长度。主要用于加工绳索、工业用线、盖布、输送带、帘子线、水龙带、帆布等。
CAS号：
性质：又称拉断法直接成条。借助牵切罗拉将充分拉伸的丝束随机拉断制成的短纤维条。经并丝、牵扯伸、加捻就制成细纱。或直接制成细纱。具有工艺过程简单、纱风格与短纤维纱相似、手感柔软等优点。改变牵切罗拉的中心距离，可以改变拉断纤维长度。主要用于加工绳索、工业用线、盖布、输送带、帘子线、水龙带、帆布等。
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