查询词典 asynchronous

The finite element analysis of squirrel cage rotor of asynchronous magnetic coupling provides a new way to optimize the structure of this magnetic coupling.

鼠笼转子异步磁力联轴器的有限元分析方法为该类联轴器的结构优化设计提供了一种新思路。

AC servo system ; squirrel cage asynchronous motor ; IPM

交流伺服系统/鼠笼式异步电机；智能功率模块

It can adjust quickly and work steadily when the load suddenly increases or decreases. Meanwhile, it can directly start null-load squirrel cage asynchronous motor of close capacity .

在突增或突减负载时，能快速适应，稳定地工作，同时，无需任何起动装置能直接启动相近容量的空载鼠笼型异步电动机。

Firstly, this paper introduced the vector-convection discussed model of a squirrel-cage asynchronous motor. And the vector control system takes the model set up by Matlab/Simulink as its control object.

首先详细介绍了异步电动机矢量控制的原理及数学模型，并利用Matlab/Simulink软件构建了矢量控制系统的仿真模型。

This fan combines centrifugal fan of whole by squirrel-cage asynchronous electric machinery and aluminium alloy impeller, spiral case.

该风机由鼠笼式异步电机与铝合金叶轮、蜗壳组合成全体的离心风机。

To control speeds for a typical alternating current motor, we usually take control variables (to change voltage and frequency of the stator power supply) from the stator side in an electric motor, which is also the only way for squirrel-cage asynchronous motor with rotor in a short-circuit state.

对于一般交流电动机的调速，我们都是从电动机的定子侧引入控制变量（改变定子供电电压、频率）来实现的，这对于转子处于短路状态的交流鼠笼型转子异步电动机是唯一途径。

To control speeds for a typical alternating current motor we usually take control variables (to change voltage and frequency of the stator power supply) from the stator side in an electric motor which is also the only way for squirrel-cage asynchronous motor with rotor in a short-circuit state.

对于一般交流电动机的调速，我们都是从电动机的定子侧引入控制变量（改变定子供电电压、频率）来实现的，这对于转子处于短路状态的交。。。

Not only can effectively control the squirrel-cage three-phase asynchronous motor starting current, the current slowdown of the motor and the impact of power grids, and the structure is simple, reliable operation and lower costs for promotion, but also in the process of starting and running current detection, Voltage parameters, the abnormal processing, display and alarm, to achieve the comprehensive protection of the motor.

不仅能有效控制鼠笼式三相异步电动机起动电流，减缓电流对电动机和电网的冲击，且结构简单，运行可靠，成本较低，适合推广，还能在起动和运行过程检测电流、电压参数，对异常情况进行处理、显示及报警，实现对电动机的综合保护。就是以上的了，电气专业英语好的帮下忙，万分感谢

A standard developed to meet the requirements of portable consumer imaging and multimedia applications — what the IEEE refers to as the standard for High Rate Wireless Personal Area Networks.(The IEEE defines High Rate as 20 Mbps or better.) It is based on a centralized and connection-oriented ad-hoc networking topology. The standard also supports peer-to-peer connectivity and isochronous and asynchronous data.

802.15.3标准的开发主要用于满足便携式用户成像和多媒体应用的需求。802.15.3标准也就是IEEE所指的高速无线个人局域网标准，IEEE规定其传输速率不低于20Mbps.802.15.3标准建立在一个集中的，面向连接的特别的网络拓扑基础，支持对等连接和同步、异步数据传输。

A new multivariate statistical process control method is presented for the fault diagnosis of asynchronous machine.

提出了用多元统计过程控制方法对异步电动机进行故障诊断的新方法。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。