电气工程APS审核资料Word下载.docx

1、5.Programming in C language C语言程序This course is about how to program in C language.Here is an example showing how to compare two integer with C:#includeVoid main（）int a,b,max;scanf（“%d,%d”,&a,&b）;if （a=b）max=a;elsemax=b;printf（“max=%dn”, max）; 6.Engineering Drawing 工程制图This course is about how to co

2、mmunicate all needed information of a designed part from engineer to the worker who will make it. To be more specific, I learned about third-angle projection, section view, which shows internal features that are not clear defined with regular projections. I also learned how to draw with CAD software

3、.7. Microchip principle and application 微机原理与应用This course is a foundation focus mainly on the assembling language. We also learned the basic instrument and inner circuit of computer.8.Single chip In this course ,I learned how to realize the function of single chip by writing the resource . First, t

4、eacher showed us the inner circuit and principle of chip, then was the function of each pins .finally ,we had a processing which kept two weekends. 9.Technic Of Electrotechnic In this course, I have learned about the basic knowledge of circuits and its basic laws. Such as Ohms law（I=U/R, current , p

5、otential difference, resistance.）,Kirchhoffs current law, Kirchhoffs voltage law.Kirchhoffs current law: The current flow out of a node is equal to the current flows into the node.Kirchhoffs voltage law: The directed sum of the potential difference in any closed circuit is zero.Example（draw a simple

6、 circuit）10. Basic Mechanic Engineering1）Concept of Machine:Organization: each part has the relative motion, realize the motions transmit and convert.Mechanism: partment ,which cab realize the Energy convertion to accomplish useful works.Transmission: which transmit the energy and realize the modula

7、tion of speed .2）Force analysis:Distortion,stables,damageThe aim of force analysis is determine whether the element as desired described loading to ensure the normal operation.1）Three characteristics: rigidity strength stability2） ）Three defect forms: Axial tensil , Cut and extrusion , bent Example:

8、 正应力（强度和刚度），剪切与挤压等。3） Common Machine:Leakage.11.Electronic Theorem:1.what are the electronics.Electronics, which include any machine powered by electricity, mainly have effect on the connecting ,breaking , parameters changing of circuit ,in order to realize the control , monitor, protect of electric

9、al equipment. 2. Main comments:Electro-magnetic machine conclude the system and principle and Arc theorem conclude the characteristic and application.Electro-magnetic system: when the current or voltage into the coil , it would generates the magnetic field. The flux would through majority the iron b

10、eam ,yoke, keeper ,air-gap enclose and generates the force on the face of keeper called EM force.When the attractive force can against the force of spring force , it can be closed.Arc: is a phenomenon of gas discharge . The neutral gas is dissociated and produces an ongoing plasma discharge. Because

11、 the high temperature can damage the connector , so we must eliminate the arc as quickly as possible.Eliminate methods:SF6,magnetic blowout , air lancing.The rest:直易交难灭弧（ AC/DC的各自特点），thermal inertia热惯性，吸力的计算公式推导过程；13.Power supply Engineering:（power system and power supply circuit）A power supply syst

12、em is a system which included the transformer, electrics, wire ,cable and so on.1） Basic theorem : Loads calculation （sum of rated power and the meaning of it: when calculate were over, the electronics would operate under the heating otherwise waste of the energy and materials.）2） Main circuit: the

13、choice of transformer and wire and cableFunction of transformer: boost and reduce the voltage and isolation, protection. （3 phase non-excited double winding dry type）wire and cable:1）cable used for power transmission and distribution2）bare conductor: used for overhead line3） ）insulated wire: end of

14、connection of low-voltageSecondary circuit for protecting ,monitoring, controlling and so on.3） relaying protection in circuit:Forms （current, voltage）Reversing and limit-time relaying protection The characteristic of them and the application 14. Automatic control theory: focus mainly the feedback s

15、ystem and analyze the FS.1） what is the feedback system and automatic control （transfer function, meaning of transfer function and so on.）2） analysis of the feedback system: stability trainsient performanceInclude the time domain analysis（低阶low-order，高阶high-order，性能分析performance）,root locus, frequen

16、cy property.15. Digital Electronics: study the discrete compared with the analog electronicsMain comments: logic connection between the discrete.1） gate circuit : AND OR NOT XOR and so on, three forms expression function, truth table, circuit map.2） combinatorial logic circuit: half adder, full adde

17、r and differenceMethod of more complex logic:First, list the truth table and then used the karnaugh-map to simplify, get the logic function, finally draw the circuit gragh.3）Temporal logic circuit:It is consist of combination circuit and trigger which as a storage unit. The storage circuit feedback

18、to the input of combination it has a present statement and next statement.15.Analog electronics: study the Semiconductors and its application.1）diode: Function: current can pass in forward way and be clocked in reverse way.Principle: add some impurity into instrinsic semiconductor, p-type is one put

19、 into the boron and produces the holes, become positive. N-type is one put into the phosphorous to become negative and produces electronics. Because of different intensity, they would spread from high to low and produce P-N region. When add forward voltage, the E-field would be cut down and seems th

20、at resistor reduced otherwise would be wider.（同理可得BJT,并且画他们的特性曲线等）BJT application: common collect,emission,basic.16. Electronics Power: it is technique which could transfer and control the power energy by electronics device.1） electronics device: uncontrollable（diode）, half controllable（thyristor）,

21、full controllable（IGBT）其原理和工作状态，工作特性等2） transfer：rectify, invertion and other transfer.Rectifying is a convert from AC to DC. Invertion is a convert from DC to AC. 举例画图：单相半波整流，单相全桥整流，VSI and CSI Other: AC-AC,DC-DC.举例：Boost chopper, buck chopper.3） control: PWM（phase width modulation）17. Motor machin

22、e:What is motor, motors type, principle, instrument, operation, characteristic and so on.Transistor: a device that changes AC electric energy at one voltage lever into another lever through the action of a magnetic field.1）instrument: it is consist of two or more coils of wire wrapped around a commo

23、n ferromagnetic core , they connected by magnetic flux.Because the flux is same, so the EM force is proportion to the numbers of winding.2） Principle: when flux linkage varying in any coils, it produces EM force.3） operation characteristic: no load and load operationNo load: equivalent circuit, impe

24、dance,Because eddy current losses hysteresis loss and so on, we regarded the iron loss as equivalent resistor Rm to stand for the heating, Xm is the main flux through the iron which generates the reactance.U2 = E1-I2（R2+jX2） = E1 - I2E2DC machine: electrical motor and generator. It can realize the c

25、onversion between direct energy and machine energy.1） instrument:Stator: main pole（produces the air-gap field）, commutating pole（improve communication to reduce spark）, crush（inlet and elicit DC,DV）, machine base , cover and so on.Rotator: armature（produce electromagnetic torque）, commutator, rotate

26、 axial and so on.2） principle: DC on the armature winding create a magnetic field to the stator. It is the interaction of these two magnetic fields that leads to rotation of DC machine.As generator:When original motor drive armature coils rotate between the main pole. They cut the magnetic-curves an

27、d produce electromotive force. Through the commutator reverse, lead DC to loads.3） characteristic:It has a commutator, so it is more complex in instrument compared with alternative motor.Original motor: oil energy drive it to the rotator;Commutator: in first, it converts the DC to AC, in armature winding, keep the direct same with torque.In second, it converts the inductive em force to DC force.