查询词典 rotor

In this paper,the transform of the harmonic wavelet method is applied to detect the characteristic signal components of the rotor bar broken fault.

准确检测转子断条所表现出来的故障特征，是这种故障诊断的关键。

This paper briefly reviews the four approaches, analyzes their advantages and deficiencies. Based on that, a comprehensive on-line approach to detect rotor bar breaking fault is presented in this paper.

在回顾这些方法的同时，分析了它们的优缺点，并在此基础上，提出了一种转子断条综合在线检测方法。

The result shows that not only it can be used to detect the characteristic signal of the rotor bar broken fault with great sensitivity but also be used to evaluate the severity of the fault.

有关方法报道很多[1，2]，利用小波分析对定子电流中所产生的谐波分量进行提取、实现实时、非接触性检测，是一种有效的手段。

This technique improves the detecting sensitivity of broken rotor bar fault by employing wavelet transform and adaptive stochastic resonance.

通过应用小波消噪、随机共振技术，改进了转子断条故障特征信号的检测灵敏度。

Induction motor ; fault diagnosis ; broken rotor bar

异步电动机；故障诊断；转子断条故障

When a fault of the rotor bar of an frequency converter has taken place,the characteristic signal components of the currents will be added into the stator current.

在实际使用中，转子导条断裂是常见的导致变频机故障的重要因素之一，统计表明，大约有10%的故障是由转子断条与端环断裂引起的。

Simulation and experimental results demonstrate that the novel method is immune to broken rotor bar fault and thus more reliable than those presented previously.

大量仿真与实验结果表明，该方法可以避免将转子故障误判为定子绕组匝间短路故障，使定子绕组匝间短路故障识别可靠性大幅提高。

Once broken rotor bar fault occurred in induction motors, there would be Edge Frequency components induced in the stator current.

笼型异步电动机一旦发生转子断条故障，在其定子电流中将出现边频分量。

Finally, this paper studies thoroughly a novel approach to detect rotor bar breaking fault, which is based on the perfect combination of the Hilbert Transform and digital f

在上述研究的基础上，针对山西娘子关发电厂7#给水泵（YK2300-2/990笼型异步电动机），研制大型异步电动机状态监测与故障诊断系统，目前已完成安装调试，试运行阶段效果良好。

Detailed discussion about distribution and changes of the current in every rotor bar and end ring, the relationship between the number of broken-bar and fault features in stator current after broken bar fault appearing was shown.

转子断条位置对电机影响很大，过去没有引起人们的重视，该文对此进行深入研究，分析电机转子断条位置与故障特征量之间的关系，转子断条位置与转子导条电流、转子端环电流之间的关系，并总结出其规律，指出哪些位置导条进一步断裂的可能性较大。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。