畢業(yè)設(shè)計外文翻譯----混合發(fā)電能量管理系統(tǒng)

1、<p><b>　　英文翻譯</b></p><p>　　Energy Management System of Admixture Electricity-generating</p><p>　　1. One preface</p><p>　　The admixture that wind force and solar cel

2、ls generate electricity to constitute generates electricity the system and is called the breeze/ light to repair the system with each other, all having some common weakness because of the breeze and solar energies, such

3、as the energy density low, the stability is bad and is subjected to the weather influence not to continue, have the strong weak conjugation, solar energy of seasonal to interrupted etc. day and night. Be generate electri

4、city by the wind </p><p>　　The wind energy, solar energy has to repair sex with each other certainly, if the sun light of daytime is strong, the night breeze is many, the summer sunshine good, the breeze is

5、weak; The spring stanza breeze of winter is strong but the sunlight is opposite weaker. Develop the wind force a solar energy to supply again to give or get an electric shock the system with each other, take into wind fo

6、rce and the solar energy techniques to synthesize the exploitation, thus constitute a kind of repair</p><p>　　Local mainly generate electricity to independent wind power, the light currently and the breeze a

7、 light supplies again the research of the electricity control system with each other more. In design the breeze a light generate electricity system, the design way of thinking of the widespread adoption according to load

8、 everyday total to consume the electricity quantity, and radiate the quantity from the day that the local weather data get to the capacity of the certain solar cell array, the wind po</p><p>　　Because the ex

9、portation power and the burden powers of the breeze electrical engineering set, the solar cell array is affect by the outside factor, changing the scope to compare greatly, as a result turned the energy of generate elect

10、ricity the system management to also put forward the higher request towards control and excellently. This text aims at the movement efficiency and credibility’s that the characteristics of the system movement designs one

11、 energy management system( energy management </p><p>　　composing of the systems</p><p>　　This text with the south science and engineering university dispersion type wind force a solar energy

12、of the new energy center admixture generates electricity the system for study the view, the structure diagram of the system, such as 2 －1 of figure 1 show:</p><p>　　May known by the chart 2-1, the system inc

13、ludes following several parties:</p><p>　　The wind power machine and its controller: Total 15KW / sets of the biggest exportation power of the breeze machine, the wind force machine generates electricity the

14、 controller to make the wind force machine been placed in the biggest power to output the appearance always.</p><p>　　Solar cell and its electricity generation controller: The altogether 5 groups, solar cell

15、 each group of peaks tile 3 k W, the solar energy electricity generation controller causes the solar cell array throughout to be at the maximum work rate output condition.</p><p>　　The data collects the syst

16、em:( the data acquires the system, the brief name DAS)Used for the electric voltage, the load power that collects to examine the solar cell exportation power, the wind power machine to output the power, the system direct

17、 current part, and circulate the relevant information to the system that collect, providing the energy management system to carry on the analytical processing.</p><p>　　The energy manages the system: collect

18、 each function of system unit movement parameter that system provide according to the data, carry out the valid management to the system and controls.</p><p>　　Buffer electric capacity: carry out parts of e

19、lectric voltages of the system direct current steady.</p><p>　　Load and inversion: The new energy center load classification, a kind of load is a load which the energy center work and the experiment must gua

20、rantee; Two kind of loads are the electrical energies which energy center ancillary facilities and so on greenhouse control needs, when the renewable energy output electrical energy has the unnecessary energy, only then

21、invests load. The system load and the direct component connection is, the direct current side which realizes through the inversion after</p><p>　　The city gives or get an electric shock the controller: When

22、can the electricity that renewable energy provide can satisfy a load of system need, giving or get an electric shock from the city to make the complement; namely chase the city to give or get an electric shock the conduc

23、t and actions back up power supply, pass combine the net controller to control the devotion and the excision of the city electricity.</p><p>　　In the wind power, the solar energy and the load constitution el

24、ectricity generation, uses electricity in the system, as a result of the wind speed, the sunshine intensity and other climatic conditions changes, the wind electrical machinery, the solar cell array output and the load p

25、ower all has comparatively wide range the undulation, thus set the very high request to the energy management system management system.</p><p>　　This article in view of is being constructed a South China tec

26、hnical University new energy center disperser -like wind power solar energy mix generating system, has designed an energy management system management system, according to the system electricity generation, the load uses

27、 electricity the condition, the management system management system power supply pattern, nimbly adjusts each part to supply the electric quantity the proportion. The energy management system management system is bigge&l

28、t;/p><p>　　In the power supply system, the system electricity generation and the load active power balance, is the system safe stable movement essential condition. Because the system load is provides by the Div

29、ulgate after the inversion, the DC voltage stable direct influence system provides the electrical energy to the load the quality, takes the system direct currentvoltage in here to control for the system the quantity, and

30、 takes its operating region is 192 V - 240V, chooses 216 V for the direct compone</p><p>　　,,, and difference for female line electric voltage, exportable and biggest power in the wind force machine, export

31、able and biggest power, system in the solar cell array of the direct current of the system a the type load the power and two loads needed need of power;</p><p>　　and output to make use of the coefficient an

32、d the solar cell arrays to output the utilization for the wind force machine of the system with respectively, namely count to amount it with the wind force machine for the set that the wind force machine be in use than

33、, for the number and the solar energy array set total amount that the solar energy array be in use than. Take 、［0,0.2,0.4,0.6,0.8,1］， and mean the number that the set number and the solar cell arrays that the wind forc

34、e machine be in</p><p>　　和 give or get an electric shock the switch control to change the quantity for the city respectively and two the types load of provide the rate, this text define、for the switch functi

35、on, take the value "0" or "1"; When＝１mean that the charged barbed wire net connects into the admixture to generate electricity the system, ＝0 mean that the charged barbed wire net generates electricit

36、y the system from the admixture to cut off; ＝１ mean that two loads connect into the admixture to generate electricity </p><p>　　Aim at the characteristics of the system movement, draw up the following design

37、 rule:</p><p><b>　　(1)Rule a</b></p><p>　　A power of the breeze electrical engineering capacity that constitutes to mix with to generate electricity the system is more and greatly, a

38、s a result the choice regard a power supply of the breeze electrical engineering as principle, the solar cell array is the energy tiny adjust the part.</p><p>　　(2)Rule two</p><p>　　According to

39、 the system work characteristic, takes the direct current side terminal voltage expected value is 216 V, when the renewable energy may output the maximum work rate is bigger than the load request, the renewable energy t

40、o the electrical network does not transport the electrical energy.</p><p>　　(3)Rule three</p><p>　　Takes when here the direct current generator voltage is lower than 192 V, through incorporates

41、the controller to put through the electrical network, by the city electricity supplemented the load needs the short partial electrical energies, and the incorporation controller which the chapter introduced by this artic

42、le behind causes the direct current generator voltage to maintain 192 V, namely </p><p><b>　?。剑?lt;/b></p><p>　　When attracts > 200 V, closure incorporatio

43、n controller, then</p><p><b>　　= 0</b></p><p>　　(4)Rule four</p><p>　　Two loads are several: Generate electricity the system for the admixture in the electric power that

44、 the assistance facilities need, when can the renewable energy exportation electric power contain surplus of energy, the load that just throw in.</p><p>　　In two kind of loads working condition, its load pow

45、er examination has not been more difficult, in order to avoid two kind of loads frequently throwing ; This article according to the system the load disposition situation, supposes two kind of loads maximum works reties ,

46、 when</p><p><b>　　+＞+</b></p><p>　　Circulate two load devotions, namely</p><p><b>　?。?</b></p><p>　　(5)Rule five</p><p>　　In order

47、to enhance the system direct component voltage the stability, when attracts < 204 V, withdraws two kind of loads from the system, namely </p><p><b>　?。?</b></p><p>　　When > 230

48、 V, automatically two kind of loads investments movement, namely</p><p><b>　?。?</b></p><p>　　When > 240 V, the automatic excision all renewable energy electric power facility carr

49、ies on the power supply to the direct current generator, namely</p><p><b>　　===0，＝1</b></p><p>　　Inputs the multi- outputs, the change complex characteristic in view of the system, t

50、his system uses in the intelligent control the fuzzy control technology (Fuzzy Control, is called FC) to realize to the system carries on the management and the control; Studied and has designed one kind based on the gra

51、duation fuzzy control (Hierarchical Fuzzy Control, was called HFC) the algorithm energy management system management system.</p><p>　　3. Misty controls</p><p>　　The fuzzy set with the fuzzy cont

52、rol concept is by American University of California famous Professor L. A. Z a d e h in it Fuzzy Sets，F(xiàn)uzzy Algorithm and Rationale for Fuzzy Control and so on famously discusses center first was proposing one kind is co

53、mpletely different with the traditional mathematics and the control theory intelligent theory. Its production not only developed the broad classical mathematics foundation, moreover was causes the computer science to sim

54、ulate the significant break</p><p>　　The faintness gather to come out the person's judgment, the thinking process with the direct expression of more simple language and mathematics forms. The mode of thi

55、nking that makes complicated system press mankind carry on operation and processing’s' make possible, lay the foundation for the formation of the misty controller, and get the scholar of the international community a

56、nd the engineering technical personnel's extensive value and applications.</p><p>　　The fuzzy control through the fuzzy set with the logical inference method person's experience formalization, the s

57、imulation, turns the control model and the language which the computer may accept, lets the computer replace the person to carry on the effective real-time control. Fuzzy controller composition diagram like chart 2 - 3 s

58、how</p><p>　　It include: The importation quantity faintness turns to connect, knowledge base( database and the rule database), reason logically the machine to reach agreement the faintness to connect.</p&

59、gt;<p>　　(1)The faintness turns to connect</p><p>　　The importation of the misty controller is usually certain quantity, must after faintness turn change into the language that controller know or chan

60、ge the quantity then can be use by the controller, the faintness turns to connect is to convert the certain importation quantity as the faintness to measure, it is also the importation of the misty controller to connect.

61、</p><p>　　(2)Knowledge base</p><p>　　The knowledge base description form mainly has two kinds of: Database and rule database.</p><p>　　Database is deposits all importations and outp

62、ut to change to measure of all misty son gather of belong to one degree relation of vector value; If in order to continue the area, the theory area database then for belong to the function correspond.</p><p>

63、;　　The regular storehouse is the operator which and has the rich experience based on the expert knowledge acts according to the long-term accumulation the experience, according to person's intuition inference one lan

64、guage expression form. Most commonly used is if -then, else, also, or and so on, like 2 Uyghur fuzzy inference rule maybe represented as</p><p>　　R: If (deviation is a; Bad rate of change is b;) Then (contro

65、l measures is c;)</p><p>　　The rule database is to is use to deposit all misty control rules, while reason logically provide the inferential basis for" reason logically the machine".</p><

66、;p>　　(3)Reason logically to reach agreement the faintness to connect</p><p>　　While reason logically, the controller reasons logically the machine according to the misty quantity that input, controlling t

67、he rule through the faintness to solve the faintness to relate to the square distance, obtaining the misty control quantity of the misty controller.</p><p>　　From reason logically the amount of control that

68、machine acquire and is a misty vector, can't be use directly to control to be control object, must still convert the certain control measure, we be called this process to solve the faintness or faintnesses to measure

69、 clear to turn. Usually reason logically and the exportation carries to have to convert the misty quantity as clear value of process be called the solution faintness.</p><p>　　4. Designs of the ＥＭＳ </p>

70、;<p>　　This article designs the wind can a solar energy mix generating system structure diagram like chart 2 - 6 show</p><p>　　For the sake of the exaltation can the exploitation efficiency of the ren

71、ewable energy, under the condition that wind energy and solar energies can satisfy to load the request, the load then is provide by the wind energy and solar energy the demanding energy; At the wind energy and solar ener

72、gies can't satisfy the load request, at making use of well can the foundation of the renewable energy up, the load is provided together by the wind energy, solar energy and charged barbed wire nets the deman</p>

73、;<p>　　May know by the system structure drawing, the system direct current generator voltage change direct influence system provides the electrical energy to the load the quality and the reliability, thus the stab

74、le DC voltage is the system operational reliability and a performance important target. Takes the system direct current generator voltage for to control the quantity, 2 - 6 may result in the system by chart 2 the mathema

75、tical model:</p><p>　　Among them—female line electric voltage of direct current, —the wind power equips the exportation electric current, —the solar energy generates electricity to equip the exportation elec

76、tric current, —the system transport the load get electric current, —the charged barbed wire net transports to give or get an electric shock the direct current the part get electric current, an electric capacity of C—dir

77、ect current.</p><p>　　The usual renewable energy electric power facility investment is bigger, in order to fully displays its electricity generation the efficiency, reduces system cost the recycling cycle, t

78、he electric power facility uses the maximum work rate output for the control goal. Supposes each wind-driven generator and each group of solar cell arrayal works in peak power output condition, wind power generation and

79、solar energy electric power facility output total output distinction isand , system to its use </p><p>　　System structure drawing like chart 2 - 7 show:</p><p>　　May know by the 2-7 chart, the s

80、ystem input value are more, in view of a wind power solar energy mix generating system characteristic, uses the graduation fuzzy control in here us the strategy to come to the system to carry on the control, and designs

81、four level of graduation fuzzy controllers to realize to mixes the generating system to carry on thee energy management and the control.</p><p>　　System structure drawing like chart 2 - 8 show:</p>&l

82、t;p>　　The burden of the system is to be provided directly by the direct current electric power and through go against to change the machine exportation, the stability of the direct current electric voltage becomes dir

83、ect influence's is a system to output the exchanges electric power quantity, stability and dependable key factors. As a result the choice direct current is part of physically the direct current electric voltage meas

84、ure with the direct current electric voltage variety, be the first degree</p><p>　　is a comprehensive direct current electric voltage measure with the direct current electric voltage variety , get future ap

85、pearance. Substantially, it reflected the system on the current direct current electric voltage foundation, if don't change the control quantity, then next sample the estimate value of the time direct current side

86、electric voltage is, because of before next adoption period arrival, the exportation control of the system quantity, was reason logically by faintness personal </p><p>　　Second degree with the first degree o

87、utput's direct current electric voltage etc. the effect valueand burden be that class importation of the misty controller, outputtake for load the opposite system energy load strength:</p><p>　　is a co

88、mprehensive burden and load the direct current electric voltage etc. the effect be worth get of a three change the quantity. When big in expect to be worth, the energy that the system burden need is in addition to from

89、 can renewable energy in addition to provide, still having a part to need to be kept the ability component electric capacity by the direct current, then can lower the direct current side electric voltage, make the direct

90、 current side electric voltage be worth the directio</p><p>　　X-rated output the biggest power with a strong wind energy of influence and load the opposite system energy strength be the importation of th

91、e x-rated misty controller, output is the utilization of the wind energy , be to output to provide to the breeze electrical engineering controller, control the set that the breeze electrical engineering open number, amo

92、ng them is </p><p>　　The solar energy importation the moderate breezes machine provides the system the opposite energy the burden the strength shortage part ＝75- conduct and actions the fourth class import

93、ation of the misty controller, take output for the utilization that solar energy generate electricity namely is:</p><p>　　The fourth cascade control output and the third cascade control output affects to

94、 the electricity generation control device to the load power supply. When and cannot satisfy the load request, when the direct component voltage is lower than 192 V, puts through the electrical network, can a solar energ

95、y mix generating system provide the electrical energy together by the electrical network gentle breeze; When the direct component voltage is higher than 240 V, then shuts off the wind-driven generat</p><p>　

96、　Thus, gradually asks the essence through the graduation structure, gradually approaches the objective function, thus achieves the ideal control effect.</p><p>　　5. Summary</p><p>　　This chapter

97、 first simply introduced the wind power solar energy mix generating system disposition, afterwards aimed at this multi- inputs to be most the variable the disperser-like wind power solar energy mix electricity generation

98、 energy management system management system, the research has designed based on the heredity algorithm graduation fuzzy control algorithm, and produced this system to use graduation fuzzy control the detailed design proc