对异步电动机故障检测若干问题做了研究。
This paper addresses itself to some issues about the fault detection system of asynchronous motors.
简述了大功率电动机故障产生原因、诊断方法。
This paper introduced briefly the cause of disturbance, diagonal method of multi-functional protecting circuit for large-power motors.
因此对感应电动机故障进行分析和检测具有重要意义。
Therefore, the analysis and detection on the induction motor appears especially important.
本文介绍了电动机故障诊断专家系统的结构原理和实现方法。
The structure principle of fault diagnosis expert system on motor-drive and its implementing method are introduced in this paper.
电动机故障录波监测装置分析软件是运行人员分析处理故障的有力工具。
The analysis software of electric motor fault recorder equipment is useful tool for maintenance man to analyze and handle fault.
感应电动机故障有四种：定子故障、转子故障、轴承故障以及气隙故障。
Induction motor faults can be divided into: stator faults, rotor faults, bearing failure, as well as air gap breakdown.
对电动机发生故障的原因进行了分析，提出了预防和减少电动机故障的措施。
The paper analyses causes of motor fault in mines and puts forward some countermeasures.
本文阐述了对三相交流电动机故障的一种检测方法，并介绍了该检测方法的实验分析及现场应用情况。
This paper states a detecting method for defect of three-phase current motor and it also introduces the experimental analysis result and practice utilization condition of this detecting method.
最后，提出了综合信息融合技术、人工神经网络技术、专家系统知识的智能化异步电动机故障诊断系统。
In the end, the intelligent asynchronous motor fault diagnosis system combining information fusion with artificial network as well as expert knowledge system is presented.
基于MSP430的电动机保护装置是在传统的电机保护装置上集成了多种保护措施，实现了对低压电动机故障的判断和保护。
A motor protective device based on MSP430 integrates several protections into traditional motor protective device to diagnose and protect the motor faults.
在大功率晶体管逆变器——电动机驱动系统中，它不但可用来对电动机电流的波形、相位、幅值和频率进行精细控制，而且能快速地检测出故障电流。
In a drive system of power transistor inverter-motor, not only can it be used in fine control of motor current waveform, phase, amplitude and frequency, but can also be used to sense, fault current.
电动机出了什么故障？
因此，对电动机的故障分析维护与检修更显得至关重要。
Therefore, to motor maintenance and overhaul of fault analysis more crucial.
结合生产实践，系统阐述了大中型高压绕线转子三相异步电动机转子产生故障的原因，并提出了可行的处理方法。
Based on practice, the reasons of large and medium-sized high voltage wound rotor three-phase asynchronous motor rotor failure were expounded, and viable approach was designed.
基于多回路数学模型，对异步电动机定子绕组匝间短路故障瞬变过程做了数字仿真，并完成了相关物理实验。
The transient numeric simulation and relevant experiments of stator winding inter-turn short circuit fault of asynchronous motor are conducted using multi-loop mathematic model.
通过理论分析和试验结果表明，以上方法对鼠笼电动机的故障诊断是有效的，并验证了其可行性和优越性。
Results of theory analysis and experiments demonstrate the effectiveness of all the methods is proposed in fault diagnosis of cage motor.
缺相故障是三相感应电动机的典型故障之一。
Stator phase failure is one typical fault of a three-phase induction motor.
输配电线路故障、变压器投运、感应电动机启动是引起电压凹陷的主要原因。
Voltage sags due to line faults, transformer energizing and induction motor starting are main interference sources.
定子绕组匝间短路是异步电动机常见故障之一，因此研究其检测方法具有重要意义。
It is of great significance to investigate and improve the detection method of stator winding inter-turn short circuit fault in induction motors.
既要为智能控制打下良好基础，又要降低电动机起动时的故障发生。
Both intelligent control to lay a sound foundation, but also to reduce motor starter when the fault occurred.
该方法已成功应用于笼型异步电动机转子断条故障的在线监测中。
The approach is also applied to the rotor bar breaking fault detection for squirrel cage asynchronous motor in this work.
分析了高压电动机的故障特征和现有保护的不足。
The fault character and insufficiency of the existing protection for the HV motor are analyzed.
分析了异步电动机的故障特性，提出异步电动机使用微机保护的整定计算方法。
The failure of the HV asynchronous motor is analyzed and calculation for setting-up of microcomputer protection for the HV asynchronous motors is suggested.
本文在对异步电动机常见电气故障机理分析的基础上，提出了利用定子电流法来诊断电机电气故障。
On the basis of analysing the common electric trouble mechanism of induction motor, the paper proposes making use of stator current law to diagnose the induction motor's electric fault.
通过对三相异步电动机空载实验中遇见的故障——三相相间功率的极大不对称性进行分析。
Through analyzing the asymmetry about the power among three phase of the no-load experiments of the triphase asynchronous motor is designed.
故障排除和修复电动机，变压器，开关柜，发电机和其他机电设备。
Troubleshoot and repair electric motors, transformers, switchgear, generators and other electro-mechanical equipment.
对面粉厂常用电动机的常见故障进行分析，并提出了维护措施和保养方法。
The familiar motor faults in flour mill are analyzed, and its solutions and maintenance methods are introduced.
电动机控制系统日趋复杂，与负荷的联系也更加密切。一旦电动机出现故障，有可能造成整个系统停止运行。
As the motorized system control becomes more sophisticated and interacting loads are involved, a malfunction of any one motor is likely to stop the whole system.
研究鼠笼型异步电动机转子断条故障和偏心故障的在线检测方法。
A method to detect squirrel cage induction motors with broken rotor bars and static eccentricity is presented.
研究鼠笼型异步电动机转子断条故障和偏心故障的在线检测方法。
A method to detect squirrel cage induction motors with broken rotor bars and static eccentricity is presented.
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