对系统总体设计方案进行了研究分析,硬件设计中详细介绍了控制回路的电流检测模块、电机转速和位置检测模块、PWM输出和故障输入电路。
The overall design scheme is researched. The hardware of current detection module, motor speed and location detection module and PWM output and fault input module is introduced in detail.
详细阐述了牵引电机实行状态修的内容,并提出了牵引电机的几种故障检测和诊断方法。
This paper gives the contents of traction motor repair according to condition in detail. Several fault detection and diagnosis methods of traction motor are presented.
在异步电机转子断条故障检测中,将原信号最优小波包分解,经自适应滤波后再信号重构。
During detection of asynchronous motor rotor-bar broken fault, the signal of current was reconstruct after decomposed by best wavelet packet and adaptive filtered.
以大型电机为例,剖析了轴承故障的种类及检测波形。
Large electrical machinery being the examples, the kinds of bearing failure and detection waveshape.
介绍了采用振动诊断技术,对机车牵引电机轴承故障进行动态检测的方法。
This paper introduces the dynamic te sting method for the faults of traction motor bearings of electric loco-motive by using vibrating diagnosis.
对航空直流起动发电机的电枢电流波形进行频谱分析可有效地对电机的故障进行检测和诊断。
Faults in aero starter generator by analyzing the spectrum of motor armature current could be effectively detected and diagnosed.
通过判断电动机输出功率信号中是含有一个直流分量和一个余弦分量还是仅含有直流分量,判断鼠笼转子有无故障,提出了一种感应电机转子故障检测的新方法。
A new method to detect rotor cage fault of induction motor is presented, which monitors if the output power signal comprises a direct component and an alternating component or only a direct component.
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。
Electromagneic characteristic of the interturn short circuit in turbo-generator rotor windings is analyzed. And a method of fault detection and diagnosis based on wavelet transform is presented.
该设计为实现水轮发电机机组的故障检测奠定了工程应用基础。
This design has established project application foundation to realize the fault detection of the unit of hydropower generator.
为了更好的对火电厂发电机组设备故障进行检测,运用多变量统计过程控制技术获得更为精确的机组设备参数模型。
For better detection to the thermal generating set equipment fault, using the multivariate statistical process control, a more precise equipment parameter model is obtained.
但由于工作环境恶劣,或者电机频繁起动等原因,转子导条经常会发生开焊和断裂等故障,因此有必要对电机进行转子断条在线检测。
But mechanical faults such as breakage of rotor bars often happen owing to various stresses. Therefore online detection on induction motors is necessary.
介绍了一种用于多传动点,带同一负载时控制传动点电机负荷分配的装置。该装置在多传动点负荷分配上实现了自动检测、自动控制、故障警示等自动功能。
A device which is used to control load distribution of the multipoint drive is presented. It has some functions such as automatic check, control, fault warning etc.
应用频谱法对航空直流起动发电机发电状态进行故障检测与诊断。
This paper discusses the fault detection and diagnosis of Aero-Starter-Generator.
第二部分详细阐述并分析水轮发电机组状态监测的对象和具体检测内容以及故障诊断的常用方法。
The second part particularly elaborates and analyzes the object of water-turbine generator set's state monitoring, the concrete testing content and the common method applied to the failure diagnosis.
论述了高压电机绕阻匝间绝缘故障发生原因,保护措施以及故障检测手段等,提出了提高匝问绝缘可靠性的办法。
Accident -easons of winding turn-to-turn insulation in a Hv motor are analyzed, protection measures and accident inspection methods are discussed.
目前,汽轮发电机转子绕组匝间短路故障的检测方法有很多,其中探测线圈法是有效且常用的一种。
At present there are many methods to detect the inter-turn shorted-circuit fault of turbo-generator rotor windings. The air-gap detection coil monitoring method is effective and used widely.
目前,汽轮发电机转子绕组匝间短路故障的检测方法有很多,其中探测线圈法是有效且常用的一种。
At present there are many methods to detect the inter-turn shorted-circuit fault of turbo-generator rotor windings. The air-gap detection coil monitoring method is effective and used widely.
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