电机学的

Electromechanics is a compulsory course for electrical engineering and automation.

电机学是电气工程及其自动化专业的一门必修课程。

Through analyzing the problems existing in the teaching process of electromechanics , and in the light of the features of the students in higher vocational colleges, this paper advances some measures for teaching reform of electromechanics course.

通过分析电机学教学过程中存在的问题，针对高职高专类学生的特点，提出了电机学课程教学改革的措施。

In this paper, motor start of prcess and the factors affecting start compressor in air con-ditioning have been analyzed with electromechanics .

本文根据电机学原理，分析了空调器正纲机电动机的起动过程和影响起动的因素，并把PTC固态开关起动回路应用于家用空调器。

On the basis of the circuit theory,electromechanics and practical state of the electrified railways,we have made up equivalent circuit of threephase traction substations and traction power supply systems and have got external performance curves.

根据电路原理和电机学的基本理论，结合电气化铁路的实际状态，构成三相牵引变电所和牵引供电系统的等值电路，得出外特性曲线。

Through the analysis of the characteristics and problems in teaching electromechanics in professional college the paper proposes the new ability-oriented teaching method,reforming teaching methods and check-up system and formulating assessment criteria of electromechanics teaching to realize the better organization of the contents of the course and to show the professional teaching features.

分析高职高专《电机学》课程特点及教学中存在问题，提出以培养职业能力为核心的《电机学》课程教学新模式；改革教学手段和方法、制订课程考核标准、改革考核方式，实现课程结构和内容的优化，突显高职教学特色。

The paper introduces the magnetic circuits and their relatives in electric Machinery Course,including the ferromagnetics, law of magnetic circuit , law of electromagnetic induction and the inductance reactance, from the need for the course teaching.

本文从电机学要求出发，介绍磁路及相关内容，它主要包括铁磁物质、磁路定律、电磁感应定律和电感的电抗等问题。

The mathematical model of the linear induction motor is built in the way of motor science, and then the control model of the linear motor feed system is proposed, and the relations between the parameters in the model and the system dynamic performances are studied, using the Simulink Module in MATLAB.

从电机学的角度建立了直线感应电机的数学模型，然后又建立了直线电机进给系统的控制模型，通过MATLAB的Simulink功能模块仿真分析模型中各参数和系统动态稳定性的关系。

This paper introduces the main applications of MATLAB in the fundamental teaching of electric machinery such as parameter calculating,curve plotting and simulation.

为了提高教学质量，将功能强大、操作方便的计算机软件应用于基础教学中，介绍了M ATLAB在电机学中的主要应用，参数计算，曲线描绘和仿真，并用实例说明该程序应用于电机教学的突出优点。

That is, the motor winding capacitance in series with the Deputy, due to the role of the capacitor, so that Kim winding current phase ahead of the main winding current in phase 90 °, in accordance with the basic theory of motor learning: When the space two winding axis position is 90 °, and the flow of two windings of the current phase and poor 90 °, its synthesis must be for the rotating magnetic field, magnetic field, so that motor up and running.

这种电动机就是将电容与副绕组串联，由于电容器的作用，使副相绕组中电流的相位超前于主绕组中电流的相位90°，按照电机学的基本理论：当空间两绕组轴线位置为90°，且流入两绕组中的电流相位又差90°时，其合成磁场必为旋转磁场，从而使电机启动和运转。

From the basic principle of heat transfer, the network topologic method is used to calculate the distribution of steady-state temperature field in electrical machines with forced cooling system in this thesis.

本文从传热学的基本理论出发，用网络拓扑法对具有强迫通风系统的电机温度场进行了分析和计算。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐