电动机

Servo motor with outage brake is adopted in the braking device,adding an external outage brake on the plumb shaft of CNC machine,and the external outage brake is fixed on the upside of ball screw.

数控机床垂向滚珠丝杠制动装置采用带失电制动器的伺服电动机，再在数控机床的铅垂轴上，增加一个外置失电制动器。

MGM brake motors Dragon-type mice completely enclosed, three-phase asynchronous motor, electromagnetic methods, with springs, brakes to make films, as well as iron brake, cooling fan installed on the site.

MGM刹车马达式鼠龙式完全密闭、异步三相电动机、以电磁方式、配合弹簧、刹车来令片、以及刹车铁片、装置于散热风扇部位。

Through the tireless efforts of our factory, our motors, pumps, cutting machine, bench drill, electric welding machines, vibrators, and the fan wheel drive has become a powerful international brand competitors.

通过我厂不懈的努力，我们的电动机、水泵、切割机、台钻、电焊机、振动器、砂轮机及通风机已成为国际品牌有力竞争者。

Based on that, a comprehensive on-line approach to detect rotor bar breaking fault is presented.

基于定子电流信号分析，本文提出了基于EMD的异步电动机轴承故障在线检测方法。

Induction motor ; fault diagnosis ; broken rotor bar

异步电动机；故障诊断；转子断条故障

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。

Firstly, a method to estimate the rotor speed, which is based on BP neural network, is introduced in this paper. Secondly, the Park Vector approach is used to monitor and diagnose the inter-turn fault of the stator winding. 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 filter.

具体工作如下：采用BP神经网络对异步电动机转子转速进行无速度传感器估计；对定子绕组匝间短路故障，采用派克矢量方法进行监测与诊断；对于转子断条故障，详细介绍了一种新的基于希尔伯特变换与数字滤波的在线监测方法。

In this paper, the conjunct fault feature of broken rotor bar and stator inter-turn short circuit fault have been summarized and the mutual relation of the two has been disclosed according to detailed analysis. As establishes an important theoretical foundation for combination detection of broken rotor bar and stator inter-turn short circuit conjunct fault.

本文通过对仿真结果的详尽分析，系统地概括出了笼型异步电动机发生转子断条与定子绕组匝间短路双重故障时的故障特征，明确揭示了二者之间的相互关系，为实现转子断条与定子绕组匝间短路双重故障联合检测提供了重要的理论依据。

Rotor bar fault is one of the ordinary faults in induction motors. The traditional method for the diagnosis of rotor bar fault is checking the (1-2s)f1 component in stator current by FFT.

转子断条是鼠笼型感应电动机常见故障之一，对定子电流进行信号处理，根据其中(1-2s)f1特征频率的分量，可以方便地进行故障的诊断。

The conjunct fault, which broken rotor bar and stator inter-turn short circuit fault occur simultaneously, has been studied in this paper based on multi-loop model of squirrel cage induction motor.

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了仿真研究。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。