The paper introduces the main performance indexes of double speed three phase asynchronous motor used in electric chain hoist and the problems which occor in the test and manufacture process.
本文介绍了电动环链葫芦用三相双速异步电动机的主要性能指标以及在试制过程中遇到的问题。
YS series three-phase asynchronous motor has excellent starting and running performance and is simple in structure, easy to operate and maintain.
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；
The application of Ethernet technology in automatic testing system for three-phase asynchronous motor routine test was introduced.
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 mathematical model of three-phase asynchronous motor in rotating coordinate system is established, and PWM technology of space vector is discussed.
建立了三相异步电动机在旋转坐标系下的数学模型，论述了空间矢量脉宽调制技术原理。
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.
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。
By applying equivalent circuits, this paper has analyzed three-phase asynchronous motor property and the harm to generator under asymmetrical voltage.
利用等效电路，分析了三相异步电动机在不对称电压下的性能和对电机的危害。
During the cage form rotor three phase asynchronous electric motor manufacturing, the electric and mechanical properties of motor are directly influenced by quality of aluminum casting of the rotor.
在电机制造中，笼形转子三相异步电动机的转子铸铝质量的好坏直接影响电机的性能及力能指标。
YS Series three-phase asynchronous motor meets related stipulations of IEC standard.
YS系列三相异步电动机符合IEC标准的有关规定。
This article introduced the coal enterprises three-phase asynchronous motor integrated digital protection systems.
本文介绍了适应于煤矿企业三相异步电动机全数字化综合保护系统。
The three-phase asynchronous induction motor models in EMTDC are deduced and the solution algorithms of induction motor transient process are introduced.
推导了电力系统电磁暂态仿真软件EMTDC中的三相异步电动机模型，介绍了电动机暂态过程的求解算法。
Introduces a constituting method for A-axis and D-axis models of three-phase asynchronous motor. Simulating for those two models by MATLAB language.
介绍了三相异步电动机的直轴和交轴模型的建立方法，并利用MATLAB语言对两种模型进行仿真，仿真数据包括定子电流、电磁转矩以及转速。
Considering the effect of the skin-effect during the starting of three-phase asynchronous motor on the parameter, the author sets up an equivalent circuit of variable parameter.
考虑三相异步电动机起动过程挤流效应对参数的影响，建立了变参数的等效电路。
It is very dangerous that the three phases asynchronous motor is operated after certain phase was broken off.
三相异步电动机运行过程中断相运行危害极大。
The variable frequency variable speed system of three-phase asynchronous motor based on DSP has been researched in this paper.
本文研究一种基于数字信号处理器（DSP）的三相异步电动机变频调速系统。
The broad application of AC three - phase asynchronous motor has put higher requirements to the starting of motors.
交流三相异步电动机的广泛使用，对电动机的启动提出了越来越高的要求。
Through analyzing the asymmetry about the power among three phase of the no-load experiments of the triphase asynchronous motor is designed.
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。
The paper introduces the design method of auto creating system of arrangement diagram for wave winding of rotor for three-phase asynchronous motor.
介绍了三相绕线型异步电动机转子波绕组排列图自动生成系统的设计方法。
Of course, can also be equipped with DC motor, single-phase motor, synchronous motor and all kinds of three-phase asynchronous motor and other power sources.
当然也可以配直流电机、单相电机、同步电机及各类三相异步电机等动力源。
This paper explained in brief the relation of three-phase asynchronous motor among efficiency, power factor, load rate and power and every power saving measures.
本文简述了三相异步电动机运行中的效率、功率因数、负载率和功率的关系及各种节电措施。
According to wear and energy-saving principle of three-phase asynchronous motor, relations between pressure of motor and load are researched herein that is pressure is restrained by the load to rate.
根据三相异步电动机损耗及节能原理，研究异步电动机端电压与负载大小之间的关系：电压将受负载对转速要求的制约。
A cascade speed control system mainly consists of a wound asynchronous motor, a three-phase rectifier and a three-phase thyristor (?) inverter.
串级调速系统的主要组成部分是线绕式异步电动机，三相桥式整流器和三相可控硅逆变器。
The utility model discloses an energy consumption braking circuit of a three-phase asynchronous motor, which is composed of a three-phase asynchronous motor and a main control contactor.
本实用新型公开了一种三相异步电动机能耗制动电路。它由三相异步电动机与主控接触器构成。
Adopt double flameproof three-phase asynchronous motor, it is good reliability and strong power.
—采用双隔爆型三相异步电动机驱动，可靠性好、动力强劲。
This paper analyzed the reasons and its dangerous of phase failure and phase stagger operation for three-phase asynchronous motor.
分析三相异步电动机产生断相错相运行的原因及其危害性。
The remove of the control circuit failures of the three-phase asynchronous electric motor is the major and difficult aspect in the training and examination for electrical students.
根据电工培训的实践经验，分析三相异步电动机电气控制线路接线易出现的故障及原因，给出故障排除的方法，并归纳出有针对性和启发性的教学训练方法。
Three-phase asynchronous motor is be used most widely in machine in industry for it's simple structure, reliable capacity, easy to maintain and low rotational inertia .
交流异步电动机结构简单、运行可靠、维护方便、价格便宜、转子惯量小，是工业生产机械中使用最广泛的一种电动机。
A three-phase asynchronous motor is taken as a research object. From the crux of a motor speed governing, the vector control of the asynchronous motor is studied.
以三相异步电动机为研究对象，从电动机调速的实质出发，对异步电机的矢量控制进行了研究。
A steady heat transfer mathematic model is established for a three-phase asynchronous motor by using a finite volume method.
利用有限体积法建立了三相异步电机的稳态传热数学模型。
Encyclopedia is divided into 5 chapters, the main contents include transformer, dc motors, three-phase asynchronous motor, single phase asynchronous motor and special motor.
全书共分5章，主要内容包括变压器、直流电机、三相异步电动机、单相异步电动机和特种电机。
Encyclopedia is divided into 5 chapters, the main contents include transformer, dc motors, three-phase asynchronous motor, single phase asynchronous motor and special motor.
全书共分5章，主要内容包括变压器、直流电机、三相异步电动机、单相异步电动机和特种电机。
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