课程总结DOC

1.电气工程导论 Einleitung des Electroingenieurwesens

Serveral professors taught us this course,each of them have a few

hours.It's at the most beginning of the first semester.A brief talk about what we'll learn in the next four years.which courses are there .How many required courses and selective courses. Introduce to us about our bright future.informations about our college. College of Electrical Engineering.

CEE has the following six academic departments：

Department of Electrical Machinery and Electrical Apparatus Department of Power System and its Automation Department of High Voltage and Insulation Technology Department of Power Electronics and Power Drives

Department of Electrical Engineering Theory and New Technology Department of Architectural Electrical and Intelligence

Electric power industry consists of five parts电力工业:

1.Generation2.Transmission3.Voltage transformation4.Distribution5.Usage

2.高等数学 H?here Mathematik

Well，it's an mathematic fundation course.Differential and

integral. y=ex3 y'=3x2ex3 '......If we have a function we can know the extreme value by differential it.The first order derivative at this point equals zero.And when the second order derivative is bigger than zero(positive),this point is the minimum value.When the second order derivative is negative,this point is the maximum value. 3.线性代数 Lineare Algebra

This course taught us how to calculate the matrix.For example

matrix multiply matrix.(写式子) or use matrix to solve equations.(写式子).What's more,how to get the reverse matrix of a certain matrix. 4.概率论与数理统计 Wahrscheinlichkeitstheorie und mathematische Statistik Taught us how to calculate the probability of a certain event.For example there are 10 balls in the box.4 of them are black,6 of them are white.We grab 3 ball out of box,without put back.The probability of all of them are black is P=C3-4/C3-10 5.工程制图 Technische Zeichnung

this course teach us how to draw a component on the paper. From

three angle of view. Front view/ top view/side view. Give me the graphic of a component,i can know what exactly what it looks like. Or in the opposite way. It is the communication method between designer and mechanicer.For example,金字塔Pyramid. From the front view and side view it is a triangle .From the top view it looks like this--a square.

6.认识实习 Kognitives Pratikum

we go to several enterprises/places. Such as electrical machinery

plant/transformer substation/power station/Transformer factory

7.电子实习 Elektronenpraktikum

each student make a multimeter.both the component and the

desigh are given by our teacher.we just

Pull everything together use electric soldering iron.

金工实习 Metallbearbeitungspraktikum

well there is a Machinery Plant in our university .we went there to figur out how the component are maded out of metal.车床 德: Drehmaschine英: Lathe / 铣床milling machine/电焊electrowelding. but those machine are pretty old. 8.大学物理 Universit?ts-Phzsik

This course taught us a lots physic knowledge,such as classical mechanics /light/electrical/heat/movement.声 光 力 电 热 动

classical mechanics/S=V0t+1/2at^2 力的合成 平行四边形法则 parallelogram rule/ 矢量和 vector sum F=ma G=gm1m2/r^2 E=1/2 Cu^2 电容capacitance 欧姆定律Ohm's law 功 work 定轴转动与平动对比

大学物理实验 Doppler effect/

9.电路原理 Schaltungsprinzip

This course taught us the characteristic of circuit. How to analyse

circuit.How to simplify circuit. For example,Resister U=IR,capacitor I=C du/dt ,inductor U=L di/dt,Kirchhoff's Law.KVL:∑U=0 KCL:∑I=0

10.电路原理实验 Schaltungsprinzipenexperiment

This is an experiment course.Let me think about it.For

example,use bridge method to measure the resistor.(图)

11.复变函数 Funktionen der komplexvariablen

On this course we learned Fourier transform and Laplace

transform. Fourier transform is from time domain to frequency domain.Laplace transform is from time domain to complex frequency domain.These are the functions of F and L transform. We can use it to get the transfer function of a specific system.For example,(图)

12.工程力学 Ingenieurmechanik

Engineering mechanics is all about balance.When an object is

standstill or move in a constant speed without change the direction,we can say that all the force on the object is balanced. For example, two balanced force is in the opposite direction,with the same big value.What's more.Let me draw a picture.(图)This single force is equal to this force and this torque of couple.

13.数学实验 Mathematikexperiment

This is a selective course.We learn to use Matlab to solve

mathematic problems.For example we can use it to find out the solution of a equation. We use matlab to draw the graph of equation.then zoom in to find out the crosspoint.(matlab例程)

x=0:1:100

y=2x^2+3x+1 Plot(x,y)

14.电磁场原理 Grundlage des elektrischen Magnetsfelds This lesson taught us the characteristic of electricfield and

megneticfield.I can still remember the most important knowlege in this lesson is Maxwell's equations.Let me write it down.

Gauss's law describes the relationship between an electric

field and the electric charges that cause it: The electric field points away from positive charges and towards negative charges. In the field line description, electric field lines begin only at positive electric charges and end only at negative electric charges. 'Counting' the number of field lines in a closed surface, therefore, yields the total charge enclosed by that surface.

Gauss's law for magnetism: magnetic field lines never begin

nor end but form loops or extend to infinity.

Faraday's

law describes how a time varying

magnetic field creates (\

Ampère's

law with Maxwell's correction

states that magnetic fields can be generated in two ways: by electrical current and by

changing electric fields.

15.电磁兼容及电磁环境保护 Elektromagnetische Vertr?glichkeit und It's a selective course. When we disign a circuit me must consider effect

of

the

disturb

from

the

electromagnetic

elektromagnetischer Umweltschuty

the

enviriment.(electromagnetic interference) (EMI) So we should analyse the electromagnetic field. So the maxwell's equations are very important.Let me write it down,(同上)

And there are certain standards that the distant between

transmission line or transformers and residential buildings.

16.计算机辅助电路分析 Computer-unterstützende

Schaltungsanalzse

Matlab 的simulink

策略 画个max发生器 放个探针 讲讲Pspice 引到毕设 （than we will use the knowledge of this course）

计算机技能训练 übungen für Computerf?higkeiten Matlab Protel（PCB-printed circuit board） Pspice 大学计算机基础 Universit?ts Computergrundlage 程序设计技术 Programmierungstechnik We learned C language on this course.Let me write a code for

example. （C例程）

# include void main() { int a,sum=0; for(a=1;a<101;a++) sum=sum+a;

printf(\

}

计算机硬件技术基础Technische Grundlage der

Computerhardware

The structure of computer.And briefly talk about the assembler

language.

单片机原理及其应用 Prinzip des Mikrokontrolllereinheit(MCU)

und seine Anwendung

The professor introduced us the single-chip mircocomputer.It is

different from personal computer.Single chip microcomputer is designed for specific functions.It's much more economical.PC is designed to be flexible and to meet wide range of needs.

We can use C language or assembler language to program.（汇编

例程）I still remember some code of the assembler language. MOV

A,#35///// PUSH A /POP A first in last out////ADD A,B//INC A////DEC A

嵌入式系统及其应用 Eingebautes Systme und seine Anwendung There are big different between embedded system and PC.An

embedded system is designed for specific control functions.A personal computer(PC) is designed to be flexible and to meet wide range of end-user needs.On this lesson the professor briefly introduced us the Linux system.I can still remember some Linux

programming codes,Such as ls/ rm/ mv/ chmod/ cd......

电子设计与制作 Electronendesign und -herstellung On this lesson,we work in groups.My mission is use a soldering

iron to soldering a electronic clock.The design is given by the professor.Soldering tin in the left hand,soldering iron in the right hand.Now and then use some rosin.

16.电工电子综合设计 Electrotechnisches und electronisches

Gesamtdesign

On this lesson,we use c language to write a code to control the

stepping motor.Stepping motor is easy to control by a single chip.This is a stepping motor.Output is A B C D,then it rotate like this.If you want it spin more smoothly，we change the output like this A AB B BC C CD.We can control the time delay to control the speed.What's more ,if we reverse the order.we can reverse the rotating direction,

Delay(s) P1=0x08;//A Delay(s) P1=0x0c;//AB Delay(s) P1=0x04; //B

......

This is the time delay Subfunction.

void delay(int s) { int j; for(;s>0;s--) for(j=0;j<8000;j++); }

We can use 中断 interrupt to change the speed 17.模拟电子技术 Analoge Elektronik

Operational amplifier is an very useful device.Let me draw a

picture.(图) The gain of an operational amplifier is extremly high.In the normal situation we use a negative feedback to reduce it.Make it more stable.For example(图) this is a voltage follower/amplifier/ the ratio between output voltage and input voltage is...运算放大器 二极管 三极管

模拟电子技术实验 Analoge Elektronikexperiment 模拟电子技术课程设计 Kursdesign der analogen Elektronik 18.数字电子技术 Digital Elektronik

Digital electronic technique is diffrent from analog electronics

technique.Logic is very important in this lesson,For example logic calculation, or use Karnaugh map to simplify the expression. Some Chips like encoder and decoder.(图和表)（码制number system）

数字电子技术实验 digitalen Elektronikexperiment

数字电子技术课程设计 Kursdesign der digitalen Elektronik 19.信号与系统 Signal und System

It's all about process the signal.For example fourier transform

and laplace transform.Fourier transform is from time domain to frequency domain.Laplace transform is from time domain to complex frequency domain.（傅里叶式子 拉氏变换式子）可引至自动控制原理

20.电力电子技术 Elektrische und elektronische Technik AC/DC DC/AC It's the technology to control or change the

electricity.We use controllable power electronic device to reform the power source.For example,AC to DC converter.(图)DC to AC converter(图).

21.自动控制原理 Prinzip der automatischen Steuerung Classic automation is based on transfer function.But how to get

the transfer function of a certain system.We use Laplace transform.It transform the equation from time domain to frequency domain.It's easy to calculate.For example. This is a circuit with a resistor and an inductor.The ratio of the output and input is the transfer function.(图和式子) If the transfer function is complicated,we can simplify it.And we can tell whether the system is stable.

22.电机学 Elektromaschinenwissenschaft

电机测试与控制 Mototest und -kontrolle

There are different kinds of elecelectrical machine.DC machine、

induction machine、synchronous machine.For example how to control the speed of a DC motor.

E=U-IR E=CnФ n=(U-IR)/CФ

23.电力系统稳态分析 Stabile Analyse des elektrischen Systems The stable state is opposite from transient state.Steady state is

stable state.Most of time the electrical system works in stable state.The main purpose of stable analyse is to calculate the power distribution and the voltage of each point.Let me draw a picture.It's a very simple system.We replace it with a module.If we know the Power and voltage of this point,we can calculate other point's power and voltage.（图 计算过程） 潮流计算power flow calculation

24.电力系统电磁暂态分析 Momentane Analyse des

Elektromagnets des elecktrischen System

The transient state is opposite from steady state.Steady state is an

stable situation,most of time the electrical system works in stable state.But when there is something happend such as shortcircuit,the equipment will went through a transient state.a not stable state.It is changing from one state to another.This lesson foucus on this period of time.Let me draw a picture to describe it.For example(图) 电

抗 reactance

25.高电压技术 Oberspannungstechnik 高电压试验技术及实验

Versuchstechnik und Experiment der

Oberspannung

In the electrial system highvoltage is widely used.such as 500KV

220KV 110KV they are much higher than the voltage we used everyday such as 220V/380V.This lesson taught us the characteristic of highvoltage、how to produce(generate) a highvoltage pulse.how to measure highvoltage.

For example Marx generator, we use it to generate highvoltage

pulse.Let me draw a picture of it.A very clever design.Those are balls made of copper.Capacitor、resistor.If the input is U,than the output about nU.

26.发电厂及变电站电气部分 Elecktrischer Teil des Kraft- und

Umspannwerkes

This course introduced us the structure of transformer-stations

and power-stations.Let me draw a picture to decribe it.This is a simple

one.Generator/transformer/busbar/potential

transformer/current transformer/backup

There is big different between isolation switch and circuit

breaker.If there is current in the line.We only use circuit breaker to

cut of this line.(不同母线连接方式 单个变压器 两个变压器 单母线 双母线 母联)

自动重合闸 automatic reclosing circuit

27.电力系统污秽与覆冰绝缘 Verschmutzung- und

Raureifisolation des elektrischen Systems

isolator is made of ceramic [si'r?mik] or glass.

In this coures，we mainly foucus on the isolator used on

transmission line.The isolator looks like this.May i draw a picture?...It has two functions,one is hold the line from falling,the other function is isolation.Let's talk about the isolation. The shape of it is important.Especially the climbing distance.It determines the flashover voltage.We use several isolator together to meet the requirement of isolation.What's more,we have to consider the effect of polution. The ratio between salt and dirt.The effect of rain.The effect of the way how the isolator was hanged.

Shit of the bird regularly clean them. 自动重合闸 automatic reclosing the circuit

28.电气设备在线智能化监测 Intelligente On-Line-überwachung

der elektrischen Anlagen

on-line monitoring

In electrical system,there are three ways to maitan the

equipment.We can repair it when it is broken.or We can after every period of time regularly maitan it. Or We monitor the status of the equipment.When the equipment is about to broken,we repair it.Of course the last way is the best.It's the most ecnomic way to maitance.But how to monitor is the main content of this lesseon, For example,the transformer.We can use sensor to monite the gas/light/sound/viberation.When

there

is

something

wrong

happens isolation failure or aging or shortcircuit,will generate some certain kind of gas.Such as CH4 C2H6 C2H4... We can monitor this gas,to figure out what is happening in the transformer. 故障定位fault location

29.电力系统过电压与接地技术 überspannung- und

Erdungstechnik des elektrischen Systems

We know in the electrical system grounding is very important.It's

for the safety of the people and the safety of equipment.The smaller,the better.But how to lower the resistance of the grouding. There are several ways.We can increase the depth of the grounding body we bury.We use more or bigger metals.We can even change the soil. Or use some very complex grounding body.

30.专业课程设计 Design der Fachkurse 毕业设计

Abschlu?design

My graduation design is to develop a highvoltage picosecond

pulse generator.Picosecond is very short.1ps=10^-12s.

First of all we use a Marx generator.Let me draw a picture of it.A

very clever design.Input is U,output is about 4U.But the output of Marx generator is not short enough.The output is still several nanosecond short.So i use a sharping circuit to sharpen its rising edge.And use a teilcut switch to sharpen its falling edge.In order to messure the highvoltage pulse,i used a capacitive divider and a oscilloscope(OSC). (巴申定律 Pasehen's law)

31.市场营销 Marketingswissenschaft

There are different idea or opinions about marketing.One idea

is ,We sell what we have/ can produce.The consumers buy what we sell.The other idea is we sell what consumers need.What's more,if we provide slightly diffrent product,we will have better sell.For example,we produce tooth paste.We produce tooth paste for children /old people/for man or women.

32.商务谈判与推销技巧Handelsverhandlung und

Vertriebsf?higkeiten

There are some basic principles of negotiation. What we want is

a win-win situation. And both side of the negotiation are equal. And do not break the law. We should make the deal in short time,be

effective.

33.诺贝尔奖与创新 Nobelpreis und Innovation

It's a public selective course.Actually it has nothing to do with

inovation.The teacher only talk about nobel and nobel price. He invented the famous explosive.A yellow liquid explosive.It's also a cure to some heart disease. He left a lot of legacy after he died.According to his final will, this money became the foundation of the nobel price.

34.英美影视欣赏 Sch?tzung der Filme und

Fernsehfilme(britischen und amerikanischen Originalfilme)

This is a public selective course.At that semester every week we

watch a English movie. Such as Forrest Gump、School of Rock、 Lion king.

35.翻译理论与实践 übersetzungstheorie und -praxis

Actually it is an english lesson.we learn and practice translate

skills from english to chinese or from chinese to english.There are two different ways to translate.直译literal translation 意译free translation.The first one is direct translate word by word.The other one is more flexible.

36.旅游与文化 Tourismus und Kultur

It's a selective english lesson. Each student make a ppt about our

hometown,and we present our with english before the whole class.

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