这样的设备被称为异步电动机,因为转子的磁场总是滞后于定子的磁场。
Such machines are known as asynchronous motors, because the rotor's magnetic field never catches up with the stator's field.
同时,异步电动机的优点除了结构简单且强度好外,异步电动机还能在温度大幅度变化的环境下正常工作。
Meanwhile, the induction motor’s big advantage—apart from its simplicity and ruggedness—has always been its ability to tolerate a wide range of temperatures.
介绍一种无速度传感器异步电动机拖动系统的再起动方法。
This paper proposes a restart method for an asynchronous motor drive system without speed sensor.
对逆变器和异步电动机建立了仿真模型,同时研究了这两个仿真模型的接口,提出了系统仿真运行的方法。
On the basis of simulating models of inverter and asynchronous motor, the interface of those two models has been studied and the system simulation method is presented.
本文设计了模糊速度控制器并应用于异步电动机变频调速系统中。
In this paper, design a fuzzy controller and applied to the induction motor speed-frequency governing system.
YS系列三相异步电动机有优良的启动和运行性能,结构简单,使用和维护方便;
YS series three-phase asynchronous motor has excellent starting and running performance and is simple in structure, easy to operate and maintain.
针对新型五自由度无轴承异步电动机这一多变量、非线性、强耦合的系统,采用逆系统的方法进行解耦控制。
A decoupling control approach based on inverse system has been used for the innovative five degree-of-freedom bearing less induction motor, which is multi-variable, nonlinear and high coupling.
阐述了三相异步电动机杂散损耗的测定的几种方法,通过不同的测法分析了杂散损耗的大小,最后通过直流机反转法试验杂散损耗,进行测定分析。
The paper descirbes several methods for the measurement of the stray loss of thee-phase asynchronous motor, and analyzes the amount of thray loss by using different measuring ways.
介绍了大型火电机组高压厂用母线切换时的情况,对大型异步电动机切换时的暂态过程进行了数学分析,介绍了减少切换时冲击电流的方法。
When the HV station service bus is switching, the transient of the large sized asynchronous motor is analyzed and a method of inducing the impulse current is introduced.
本系列发电机具有优良的动态性能,它能直接空载起动0.7倍容量的鼠笼型异步电动机,而无须附加任何起动装置。
The generators owns good dynamic performance, it can start 0.7 time of capacity mouse cage asynchronous directly with no load without attaching any starting device.
提出了有关异步电动机启动和运行的综合控制方案。
The comprehensive control scheme for the starting and running of asynchronous motor is presented.
电机:采用外转子单相异步电动机,通过CE认证、CCC认证、UL认证。
Motor: External rotor single-phase asynchronous motor received ce, CCC, UL certification.
对异步电机的启动过程进行了分析,对普通异步电动机用于驱动重载启动设备而造成频繁损坏的机理进行了合理的解释。
The starting process of asynchronous motor is analyzed and the mechanism of normal asynchronous motors frequently damaged by driving heavy load starting devices is explained reasonably.
主要介绍一种依据一台三相异步电动机在S1工作制下的运行参数推断该台异步电动机容量不变时在S7工作制下发热情况的方法。
Based on operation parameters of a three phase induction motor at duty type S1, this paper deduces the thermal state of this motor with constant output at duty type S7.
介绍了以太网技术在三相异步电动机全自动出厂试验系统中的具体应用。
The application of Ethernet technology in automatic testing system for three-phase asynchronous motor routine test was introduced.
介绍了作为大中型同步和异步电动机综合保护的微机型保护装置的设计研究情况。
The design and research of integrated protection device for large & medium synchronous and asynchronous motors with micro-computer is introduced.
该方法就是在恒定交流鼠笼异步电动机之间接入晶闸管作为交流电压控制器。
The method is in a constant exchange between the squirrel cage induction motor access SCR as AC voltage controller.
对方形机壳异步电动机的定子振动分析模型作了研究,给出了一种比双环模型更适用的多自由度模型,并对典型结构的方形异步电机进行了实际分析。
This paper studies the stator vibration of an induction motor with square frame, and presents a novel multi-degree vibrating model which is superior to the conventional double-ring one.
一般异步电动机起动电阻的计算方法,无论是作图法或解析法,往往都需要多次尝试。
As a normal calculation method for asynchronous motor starting resistance, whether diagram drawing or analytics, usually there should be many trials.
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.
对鼠笼式异步电动机比较常见的转子断条、端环断裂故障进行了分析。
The common faults such as rotor broken and end ring crack in squirrelcage asynchronous motor have been analyzed.
小容量轻载异步电动机在农村市场的应用极其广泛。
Small power asynchronous motor with low load has very extensive application in rural area.
较完整地得出:处在能耗制动时,异步电动机特有的等值电路、相量图及机械特性。
The equivalent circuit, the phase diagram as well as the torque-speed characteristic in the braking state are obtained.
仿真结果表明,此功率因数控制系统在空载和轻载时,可节能30%—50%,本论文为异步电动机的节能运行提供了重要的参考作用。
The simulation result demonstrates that it can save up capacity about 30-50% when there is no load or a little load. This thesis can provide important reference function.
最后,文章给出了按上述模型建立的异步电动机电磁设计中有关效率目标参数专家决策经验的知识表示实例。
Finally, based on above model, an example of the expert knowledge expression of efficiency object parameter in electromagnetism design of asynchronous electromotor is presented.
介绍了设备改造方案及转子内反馈串级调速技术在高压异步电动机上的应用经验。
The experience in application of internal feedback cascade speed regulation technology for rotors to high voltage asynchronous motors is introduced.
阐述了其在异步电动机矢量控制系统中的实际应用。
It elaborated the practical applications of vector control system of asynchronous electric motors.
阐述了其在异步电动机矢量控制系统中的实际应用。
It elaborated the practical applications of vector control system of asynchronous electric motors.
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