變電站外文翻譯

1、<p>　　Modeling of Digital Protective Device According to IEC61850</p><p><b>　　Abstract</b></p><p>　　IEC 61850 is an international standard about substation constituted by the su

2、bstation IEC TC57.It reflects the development's direction and automation tendency of automation, and arouses the widespread interest of the domestic and foreign power industry. The transformer is a core equipment in

3、the substation its protection, measurement and control equipments are the main equipments of substation automation system. Therefore，it is significant for us to apply the IEC 61850 standard to the Digital tr</p>&

4、lt;p>　　The background, the domestic and foreign present situations, the significance and the content of IEC 61850 are introduced in this paper, the analysis of IEC 61850 standard’s modeling process are described. Firs

5、tly, based on the function free distribution and the assignment concept of IEC 61850, the protection, measurement and the control unit are separated and the respective function is describe by the logical node. Secondly,

6、according to the modeling approach and principle based on IEC 61850，th</p><p>　　In this foundation, the transformer differential protection IED is taken as an example to show the configuration process of its

7、 logical equipment and the logical node.</p><p>　　Key words: IEC 61850；UML；IED；Object model；Logical node；Logical equipment</p><p>　　Substation automation system by multiple subsystems is essenti

8、ally composed of distributed control system, therefore layer in the transformer substation</p><p>　　Still, the internal system through internal data communication, to realize the subsystems between subsystem

9、s and internal information exchange and sharing information, to reduce the substation second equipment configuration, and simplify the repeat of the subsystems of the interconnections, not only reduce repeated investment

10、, and also to improve the security and reliability of the system as a whole.</p><p>　　But, the actual circumstance of each transformer substation be respectively each product supplier in order to fight, usag

11、e dissimilarity of communication code. Almost each produce a company should the company all have a set of oneself of standard, cause in the whole system circulate of the code may attain several 10 kinds. Equipments can&#

12、39;t share information, hard assurance of the consistency of data. This be problem in” automation isolated island”. This kind of phenomenon not only increment a gr</p><p>　　correspondence agreement[1-2].The

13、transformer substation automation deliver a code and deliver a standardize of network, is realization the credibility be fast correspondence of assurance. </p><p>　　20 century the beginning of 90's, th

14、e international electro-techniques committee IEC(the Commission of the International Electro technical) be aware of to come from dissimilarity factory house of the electronics intelligence equipments IED demand a standar

15、d of the information connect, with realization equipments of with each other operability(Interoperability).Is this, IEC two IEC TC57 of the technique committee and the IEC TC95 established a consociation work set, establ

16、ishment” after electrici</p><p>　　The institute for research EPRI(the Research Institute of the Electric Power) of electric power science of the United States in 1990 beginning Mr. common</p><p>

17、;　　Letter system UCA(the Architecture of the Utility Communication) standard of establishment work, its purpose lie in provide a</p><p>　　Have extensive adaptability of, the function be strong of corresponde

18、nce agreement, can make various IED pass usage should agreement realization with each other operation[3].</p><p>　　For avoiding appear two possibility conflict of standard, IEC decision with the UCA2.0 data

19、model kimono duty is foundation, UCA</p><p>　　Of research result bring into IEC standard, in the meantime absorb IEC60870-5-103 standard of implicit data model, establishment unify of world scope standard IE

20、C61850, and in 1999 March put forward committee drafted plan edition.</p><p>　　IEC 61850 be the correspondence network of transformer substation automation and the international standard of system. Establish

21、ment IEC 61850 main purposes is make dissimilarity manufacturer of the product has with each other operability and make these product drive expediently integration to go in a system.</p><p>　　According to IE

22、C 61850 of definition, with each other operability is come from same factory house or dissimilarity factory house of the IED(the Commission of the International Electrotechnic) exchange information and exactitude usage t

23、he information moderate operation of ability. If the of IED can carry on with each other operation, then constitute to°from the IED of auto the , and sub- system of the beggar system with adjust an of one degree cen

24、ter with each other operation possibility realizat</p><p>　　The transformer substation correspondence network is a conjunction the Niu of various intelligence electronics equipments inside the transformer su

25、bstation take, is the life vein of transformer substation automation, it of credibility and information deliver of the fast come to a decision system of can use sex. Therefore, research according to IEC 61850 of transfor

26、mer substation correspondence network structure, to transformer substation correspondence network of solid hour and credibility carry</p><p>　　. 1.2 Topic background</p><p>　　IEC 61850 targets i

27、s formation a standard of the open type transformer substation automation and correspondence system, it make to come from dissimilarity of the IED of the manufactory realization goodly and with each other operability, an

28、d ability orientation calculator and correspondence technique of fast development, thus exaltation system of credibility, decrease customer of investment and maintenance cost[4].The object set up a mold technique, UML(th

29、e Language of the Unified Modeling unify </p><p>　　Conduct and actions new transformer substation correspondence network and system standard, IEC 61850 of research and application for exaltation our country

30、transformer substation automation the profession whole level have importance of meaning. Our country transformer substation calculator supervision of market scale big take a post in world what nation, our country complet

31、e have ability should also in the IEC 61850 of research and usage the aspect obtain oneself of a place.</p><p>　　1.3 Domestic and international IEC 61850 of research and it development present condition</

32、p><p>　　Turn transformer substation correspondence research to involve IEC61850 correspondence code according to the numeral of IEC61850 and according to process layer equipments numeral turn of transformer sub

33、station of research, numeral turn a transformer substation very the problem of core is a network structure and correspondence. Underneath difference from the IEC61850 standard and numeral turn a transformer substation co

34、rrespondence both side to all say domestic and international research present </p><p>　　1.3.1 Abroad IEC 61850 of research and it development present condition</p><p>　　IEC 61850 from the beginn

35、ing establishment be subjected to international top of extensive concern. In the establishment the IEC 61850 processes, the United States Germany, Holland etc. national capital have demonstration engineering[5], in order

36、 to verification standard, pass practice to promote standard of further perfect.1998, at Germany from FGH, VEW, ABB, ALSTOM and SIEMENS a few company consociation establishment a demonstration item OCIS(the In Substation

37、s of the Open Communication), estab</p><p>　　(1)Comparison and test IEC 61850 standard drafted plan and UCA2.0;</p><p>　　(2)Vivid, possibility and effect of reexamination standard drafted plan;&

38、lt;/p><p>　　(3)To IEC standard drafted plan introduction the knowledge of the privately owned;</p><p>　　(4)The help standardize progress;</p><p>　　(5)Sure of should standard match Euro

39、pe market of demand;</p><p>　　(6)The suggestion of the consideration VDEW[6].</p><p>　　1.3.2 Domestic research present condition</p><p>　　Abroad to IEC61850 standard carry on thorou

40、gh research of in the meantime, local think factory and equipments manufacturer also at close concern IEC61850 standard of development, and devotion funds and technique open the exhibition related item of research work.

41、Peking melt a section allied create the limited company of electric power science and technology F through development according to IEC61850 international standard of in general use network correspondence terrace of elec

42、tric power automa</p><p>　　But, local currently of research the point basically and all put at according to IEC61850 correspondence of development up, to transformer substation allocation of research return

43、few check in, although concerning allocation machine of research have already see in some article, concern allocation method and allocation document of research still rare check in, hope in this aspect local related orga

44、nization ability hold firmly, catch up international current.</p><p>　　1.4 The main work of this thesis</p><p>　　(1)Detailed reading and analysis IEC 61850 of Chinese-English originality text fi

45、le data, thorough comprehension IEC 61850 of thought essence. In the comprehension IEC 61850 standard system structure of foundation up, point research the IEC be 61850 main characteristics, as to it's the target con

46、tent carried on more thorough of analysis. Analysis IEC 61850 of technique core contents, include: Face to the information layering of object and set up a mold, abstract correspondence service pick up a </p><p

47、>　　(2)Oneself acquaint with first and control UML to unify to set up mold language, and as to it's carry on introduction, also will set up object mold process to carry on in the meantime related description. &

48、lt;/p><p>　　(3)With numeral type transformer protection equip for example, the object model, data object that is from the function definition, resolve and allotment, equipments definition etc. make use of the I

49、EC61850 provide of information model and JAVA plait the distance language carry on key and the object design(lay particular emphasis on of this thesis) establishment intelligence electronics the object model of the equip

50、ments.</p><p>　　The introduction of chapter 2 IEC61850 standard</p><p>　　2.1 The contents introduction of the IEC61850</p><p>　　2.1.1 Standard of main constitute part</p><

51、;p>　　The IEC61850 is an International Electro technical Commission 57 technique committee 10th, 11, the concerning transformer substation automation of 12 establishment correspondence net Shako and system of standard.

52、 The purpose of the establishment IEC61850 want to carry out a dissimilarity of manufacturer's product with each other operability. Is this, should agreement adoption from crest the way for get down carry on a system

53、 layering, function definition to the transformer substation automation </p><p>　　61850-1 basic principle, include the introduction of IEC61850 with all looks.</p><p>　　61850-2 technical term.&l

54、t;/p><p>　　61850-3 basic request. Include a quality request(credibility, can the maintenance, system can use sex, easy and convenient, safety), environment condition, assistance service, other standard and norm

55、.</p><p>　　61850-4 system and item management. Include an engineering request(parameter classification, engineering tool, document), system usage period(the product edition, engineering hand over to connect,

56、 the engineering hand over to connect behind of support), quality control.(responsibility, test equipment, typical model test, system test, factory acceptance, the spot acceptance)</p><p>　　61850-5 correspon

57、d by letter function and equipments request. Include the path(the logical nodes of the access of) of logic node, logic correspondence network, correspondence information slice PICOM(the information for communication of t

58、he Piece of) concept, function of definition.</p><p>　　61850-6 structure language of the transformer substation automation. Include to equip and the form language of the system attribute description.</p&g

59、t;<p>　　61850-7 transformer substation basic correspondence structure and Chui electricity equipments.</p><p>　　61850-7-1 principle and model.</p><p>　　61850-7-2 abstract correspondence s

60、ervice pick up a people ACSI(the service interface of the abstract communication).Include abstract correspondence service connect of description, abstract correspondence service of norm, the model of service database.<

61、;/p><p>　　61850-7-3 public data Class and attribute. Include abstract public data Class and the definition of attribute.</p><p>　　61850-7-4 and logic node and data object DO(data object) permit. In

62、clude the definition of logic node, data object and its logic look for an address.</p><p>　　61850-8 special correspondence the service reflect to shoot.</p><p>　　61850-8-1 reflect to shoot MMS.&

63、lt;/p><p>　　61850-9-1 strings of much more one-way point to point network.</p><p>　　61850-9-2 special correspondence systems reflect to shoot.</p><p>　　61850-10 function test.</p>

64、;<p>　　Can see from the constitute of system of the correspondence agreement of the IEC61850, this integral whole fasten to the transformer substation automation and the network do overall, detailed of description

65、 and norm.</p><p>　　The point of departure of this thesis work point lie in 61850-7 parts, particularly is 61850-7-2, 61850-7-3 with 61850-7-4 part, because these part concern related concept of set up the m

66、old and how set up a mold, a lot of check of form seek to also lie in these part.</p><p>　　2.1.2 In common use word</p><p>　　(1) Intelligence electronics equipments(IED)</p><p>　　1

67、or several processor are in conjunction with any equipments of work to have to an exterior source to accept with send out a data/control(for example the electronics multi-function form account, numeral after electricity

68、protection, controller) of ability. The equipments which have this kind of ability is called an intelligence electronics an equipments(IED).</p><p>　　(2)The logic node of the logic node(Logical Node, LN) is

69、to exchange a data of minimum function, LN from it of the object for define of data and method.</p><p>　　(3)Data object(data object, DO)</p><p>　　It is a particular information for example appea

70、rance perhaps the logic node of the measured value object of one part. From face to the standpoint of object to see, data object is the solid example of the data object. Usually(for example they be a data structure) the

71、adoption do is to exchange object.</p><p>　　(4)The special correspondence service reflect to shoot(SCSM)</p><p>　　The SCSM is a standard rule, it provided abstract correspondence service connect

72、 to take orally duty and object rightness special application agreement/correspondence agreement gather of concrete reflect to shoot.</p><p>　　In order to attain with each other operability, should make the

73、agreement gather with the SCSM amount is as far as possible little. Special of application category for example station total line and process total line possibility formation many reflect to shoot. However, for each pro

74、vision in the agreement inn for make selection only have a SCSM with an agreement.</p><p>　　SCSM will detailed description abstract service solid example to ASCI particular list service, perhaps the reflect

75、of service sequence shoot, SCSM detailed description reflect the ASCI object to shoot application agreement the object support.</p><p>　　(5)Abstract correspondence service connect(ACSI)</p><p>　

76、　It is to IED each function of abstract, it be to used for transformer substation realm, the electronics equipments of the request intelligence realization be in conjunction with workface correspondence with its lower sy

77、stem independence.IEC61850 at bottom say a few aspect definition abstract correspondence service connect:</p><p>　　1)pass a correspondence network can carry on an interview to them of all the information acq

78、uire layering model;</p><p>　　2)to these type of the service which carry on an operation;</p><p>　　3)with each the service related parameter.</p><p>　　The ACSI was main to provide 1

79、3 kinds of model, according to face to the method of object to say that be 13, the type method be an IED equipments outward realization of abstract correspondence service connect, the parameter of type be an IED equipmen

80、ts concrete of function and appearance of description. </p><p>　　2.2 The layer structure of the IEC61580</p><p>　　The agreement IEC61850 of network and system of the transformer substation corre

81、spondence standard put forward the concept of information layering inside the transformer substation, regardless from</p><p>　　On the logic concept still appurtenance reason concept up, all transformer subst

82、ation of correspondence the system is divided into transformer substation layer, partition layer and process layer three layer, and definition the logic of of layer and layer connect, such as diagram 2-1 show:</p>

83、<p>　　Moreover, according to the layer structure of the transformer substation distribute type, can also is divided into three of transformer substations layer, respectively is process layer, partition layer and tr

84、ansformer substation layer[16].Process layer: Process layer main is all function which connect with each other with transformer substation equipments to connect, use to transmission to collect of imitate quantity, binary

85、 system appearance signal perhaps binary system control signal. These fu</p><p>　　(1)Related station with process layer layer function: Main make use of each partition or whole station of information to seve

86、ral partition or whole station of an equipments occurrence function of function, such as mother line protection or whole station logic in the scope shut lock etc., the transformer substation layer connect through a logic

87、 8 completion correspondence function.</p><p>　　(2)With pick up a people related of station layer function .Main and far-away place control centre, engineer station and man-machine interface of corresponden

88、ce, connect through a logic 1, 6, 7, 10 completion correspondence function.</p><p>　　2.3 The technique characteristics of IEC61580</p><p>　　2.3.1 Face to set up of object a mold</p><p

89、>　　(1)IEC 61850 set up several related importance concept of mold</p><p>　　1)function</p><p>　　The function is a transformer substation automation performance of mission, such as control, sur

90、veillance, after electricity protection. IEC 61850 will should hard working</p><p>　　The ability resolve can used for commutation information of minimum the logic node of the function unit, and only of logic

91、 node can exchange data .Therefore, a function want to exchange a data with other function have to include at least a logic node.</p><p><b>　　2)server</b></p><p>　　IEC 61850 usage se

92、rver to mean an equipments network it is thus clear that of behavior, included an intelligence electronics an equipments</p><p>　　IED having correspondence network it is thus clear that information. In the

93、correspondence network, it can provide a data or allow other function node an interview of resources. It include some logic equipments, service interview point, application connection and document.</p><p>　　

94、3)logic equipments and physics equipments</p><p>　　The logic equipments is a kind of conjecture equipments, for the sake of correspondence purpose but definition a set of logic include a LLN0(logic node 0),

95、a LPHD(the physics equipments of the logic node) with more than an other and permit logic node LN.LLN0's elucidation relevant logic equipments of concrete information; The LPHD use to an information of mean the physi

96、cs equipments concerning logic equipments place; The other logic node is use to mean that logic equipments to want a realization</p><p>　　4)logic node and data</p><p>　　The logic node is the fun

97、ction which use to exchange a data of minimum unit, mean a physics a certain inside equipments concrete function(such as the node PDIS mean distance protection function) perhaps is representative an equipments.(such as t

98、he node XCBR mean chopper function)Data from 1 or many piece according to item the structure for constitute, used for the particular information of the description equipments. The data is divided into public logic node i

99、nformation, measured value, control</p><p>　　5)logic conjunction and physics conjunction</p><p>　　The logic conjunction is the conjunction of logic node, is the logic passage which carry on a da

100、ta exchange of the of logic node. Physics conjunction is physics of the equipments be actual existence of correspondence conjunction. Such as diagram 2-2 show, the logic node LN pass logic conjunction LC connect with eac