查询词典 asynchronous

This paper introduces the control principle of the direct torque control system of an asynchronous motor,and proposes a new strategy to solve the problem of the large torque ripple and current ripple.

本文介绍了直接转矩控制系统的控制原理，并针对基于直接转矩控制的异步电动机运行时存在较大的电流及转矩脉动问题，提出一种新的控制方案，并基于Matlab 6。

This paper introduces the control principle of the direct torque control system of an asynchronous motor, and proposes a new strategy to solve the problem of the large torque ripple and current ripple. The Matlab 6.5 simulation shows that it can solve the problem efficiently.

本文介绍了直接转矩控制系统的控制原理，并针对基于直接转矩控制的异步电动机运行时存在较大的电流及转矩脉动问题，提出一种新的控制方案，并基于Matlab 6.5对这种新方法进行仿真，仿真结果表明该方案能有效的解决电流及转矩脉动的问题。

YD Series varible pole multi-speed three-phase asynchronous motors are one of the main series products deriving from three-phase series.

YD系列变极多速三相异步电动机是三相异步电动机的主要派生系列之一。

Has designed one kind take the monolithic integrated circuit system as the core, the bidirectional silicon-controlled rectifier presses as the accent the asynchronous motor soft starter connection electric circuit and the software architecture and so on.

设计了一种以单片机系统为核心，双向可控硅作为调压元件的异步电动机软启动器接口电路及软件结构等。

In'.'' which two or more activations of asynchronous procedures are incapable of proceeding because of their mutual ''.

一种情形，此时异步过程的两个或多个活动因相互依赖而不能继续进行。

A situation in which two or more activations of asynchronous procedures are incapable of proceeding because of their mutual dependencies.

一种情形，此时异步过程的两个或多个活动因相互依赖而不能继续进行。

When a node has the asynchronous flag set, it will be executed asynchronously at runtime.

当一个节点设置了异步标记，它将在运行时异步执行。

This thesis points out the difference and relation between the general asynchronous and synchronous motor and DFIG.

本文揭示了双馈发电机与普通异步电机和同步电机的区别和联系。

The principle is stated of asynchronous and synchronous voltage-frequency converter s with VFC110 and AD652 as examples.

以VFC110和AD652为例，介绍异步和同步两种电荷平衡式电压频率变换器的工作原理、计数测频方案，进行变换误差分析，比较两种电压频率变换器的特点。

SSC-C3010 is a single chip duplex asynchronous to synchronous converter.

南南合作- C3010是一款单芯片全双工异步同步转换器。

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。