电动机

From the concept of winding inductance、 magnetic linkage and the store coenergy, this paper deduces the quantitative relationship between motor speed, n, reluctance torque and winding's voltage, Us, and investigates whether it is correct or not through tests.

分析了开关磁阻电动机的一种调速方法——调压调速；从绕组电感、磁链及磁共能的概念出发，导出调压调速方式下电机转速n，磁阻转矩M及绕组端电压US之间的定量关系，并通过实验验证了三者之间关系的正确性；给出适合于开关磁阻电动机调压调速系统的8098单片机使用PID数字控制器的控制算法，最后介绍2。

A vector control method of linear induction motor based on fuzzy control was proposed because it was difficult to establish accurate mathematical model of linear induction motor.

直线感应电动机精确的动态数学模型很难建立，提出了一种基于模糊控制的直线感应电动机矢量控制方法。

It is made up of a gearbox and moderate breeze gear wheel transmission that the SGZ1000/3000 type scraper conveyor cuts the cutting department, cut the electrical machinery of cutting department and put to fix up horizontally in the rocker arm, the power that the motor outputs leans on a round of transmission of department of gear wheel and planet round via the tertiary straight tooth, urge the cylinder to rotate finally.

SGZ1000/3000 型输送机传动部主要是由一个电动机、减速箱和液力偶合器组成，该输送机内横向布置，电动机输出的动力经由二级齿轮和一级行星轮系的传动，最后驱动链轮转动。

Motor control center s, which supply power to and control the small motors and loads4, are also connected to the load- center unit substations.

向小型电动机和负荷提供电力并进行控制的电动机控制中心也联接到负荷中心单元变电站。

As a result, the generator/motor of the hybrid engine capable of providing specified motor efficiency and power generating efficiency can be provided.

其结果是，能得到可获得所需的电动机效率及发电效率的混合式发动机的发电机/电动机。

In the end, calculating examples of generator and motor are showed respectively, and a motor calculating result is optimized and all results are analyzed in detail.

本文最后给出了基于场路结合算法的汽轮发电机和电动机电磁计算实例，并对电动机计算结果讲行了优化设计。

For series hybrid, brought forward the rule for motor parametric design, which is to keep power of motor as little as possible as long as it is enough for vehicle performance.

对于串联形式，提出电动机参数设计要在满足整车动力性要求前提下选择较小容量电动机的原则。

On the base of roundly analyzing and studying phase relation of stator magnetometive force and rotor one of brushless DC motor,the main purpose of this paper is to analyze thoroughly positive and negative rotation logic layout of sensorless BLDCM,and explains the differences between BLDCM and sensorless BLDCM.

依据无刷直流电动机定转子磁势的相位关系，深入分析无位置传感器无刷直流电动机正反转控制的逻辑编排，并分析了无位置传感器和有位置传感器正、反转控制的不同。

Therefor, step motor can be used as executive component in open-loop control system, which simplifies the control system deeply.

步进电动机是数字控制系统中的一种执行元件，其功能是将脉冲电信号变换为相应的角位移或直线位移，即给定一个脉冲电信号，电动机就转动一个角度或前进一步。

This thesis make a study on Vector-control VVVF system of asynchronous motor. In the course of study,making use of the mathematical model of asynchronous motor in MT axes . Then both open-loop control system and close-loop vector-control system are respectively simulated with simulation block SIMULINK in MATLAB.

本文对异电动机变频调速系统进行了研究、利用异步电动机在二相同步旋转MT坐标系下的数学模型，使用MATLAB中的仿真工具箱SIMULINK分别对开环控制系统和闭环矢量控制变频调速系统进行了仿真。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。