异步的

Starting from the fundamental equations of electric machine, this paper develops an analytic method of investigation of the self-excitation problem of asynchronous machine connected through series capacitor .

本文从电机基本方程出发，介绍了与串联电容相联的异步电动机的自激区的分析方法。

First, the fundamental feature of ATM, the method of integrated services access and the AAL5 protocol supporting the asynchronous services are briefly introduced.

本文首先简要介绍ATM的基本特点、综合业务接入的方法和用于异步业务适配的AAL5协议。

With 125,000 square meters, the company develops and produces a broad spectrum of low-voltage motors in the medium and low power range. SSML's local motor series1LG0 is produced in according with IEC standard and fully meets custmers' requirements.

公司致力于研发和生产具有广泛应用的技术领先的中小型低压电机，目前主要产品有符合国际 IEC 标准的 1LG0 系列三相异步电动机。

The stability and security of system, especially the question of induction machine-constant pressure variable pump/motor running reversibly in second quadrant is analyzed.

对该方案的稳态性能及安全性问题进行了分析，尤其对三相异步电动机与恒压变量泵/马达元件的第二象限运行问题做了研究，证明了该系统的可行性。

The process of voltage establish of instantaneous torque control induction generation system is investigated.

深入研究了瞬时转矩控制的异步发电系统的建压过程，分析了建压过程的影响因素。

Using the dynamic model of the induction motor drive system , the inverse system's existence is proved, and the input-output equation of the inverse system is presented.

根据异步电动机调速系统的动态数学模型，证明了其逆系统的存在性，在此基础上得到了逆系统的输入输出方程。

It makes possible and practicaI the manu-facture of spiral flight and other products with good flexibiiity, high efficiency,and Iow consumptiOn,In this paper,the theoretical study on the processes of cold-rolling with conical rollers.

它利用楔形轧制和异步轧制的若干特点，以构成一个新的轧制过程，提供了高效、低耗和柔性加工钢带和螺旋叶片的可能性和现实性。

In accordance with the basic principle and method of vector control, by using Matlab/Simulink module, a simulation model of vector control system that is offering torque and magnetic link for AC asynchronous motor is built based on rotor flux directional rotating coordinates.

依据矢量控制的基本原理和方法，在基于转子磁场定向的旋转坐标系下，采用Matlab/Simulink模块构建了一个具有转矩、磁链闭环的交流异步电机矢量控制系统仿真模型。

But the difference tread electrical engineering to also have some weakness, the most is economically to can't carry out scope more wide smooth adjust soon;Have to absorb the 励 magnetoelectricity of 滞 to flow from the charged barbed wire net, make a charged barbed wire net achievement a type factor to lower.

但是异步电机也有一些缺点，最主要的是不能经济地实现范围较广的平滑调速；必须从电网吸取滞的励磁电流，使电网功类因数降低。

This dissertation analyses the mathematical model of the induction motor and its dynamic behaviour and points out that the key of realizing DSC is to choose stator voltage vectors reasonably according to the request of the flux and torque.

通过对交流异步电动机数学模型及动态形为的深入分析，指出实现直接转矩控制的关键是要根据磁链和转矩的要求，合理地选择定子电压矢量。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。