Analysisofpowersystemprotectionmanagement-畢業(yè)論文翻譯

1、An alysis of power system protecti on man ageme ntPaper Keywords relay fault handling computer tech no logy man ageme nt oversight fun cti onsAbstractprotectiondevice is an automatic device in the powersystem is mainly responsible for the safe and reliable power system operati on, which is its mai n

2、 resp on sibilities is the task, it can keep abreast of the power system operating state, and timely detection of problems , by select ing the appropriate circuit breaker to cut off part of the problem. In this paper, workexperie nee,themanagementof power systemprotectionanalysis offreque ntly asked

3、 questi ons, pers onalrecomme ndati onsand propose effective measures to ensure security and stability of the grid are discussed.In troducti onWhenun foresee ncircumstances,the protectiondevice will automaticallytran smit the sig nal to no tify staff, the staff will be able to promptly deal with fai

4、lure, to solve the problem, restore the system s security operation at the same time, thisidevice can also be coord in atedwith other devicesautomatically eliminate the short-term failure. Therefore, to enhance power system relay protecti on man ageme nt is a reliable guara ntee for safe operati on.

5、First, the importaneeof relay protectionandmanagementtasks 1, the importaneeof working as arelay in the power grid work is an importa nt part of their work duties and responsibilities,technical, arduous task.Relay staff face every day, such as networkstructure,protecti oncon figuratio n,equipme ntin

6、 vestme ntandretireme nt, operatio n mode cha nges and fault con diti ons and otherin formati on,a correctan alysisof them,process ing and statistics, the work is very heavy, and the Bureau of upper and lower levels betwee n the Bureau and betweenthe plant site, there are many repetitive dataentry a

7、nd maintenance . In order to reduce the staff stre ngthof relay work, improve labor productivity,developmentof informationmanagementsystems relayprotection has become a necessary requirement for the developme nt of the grid.2, the main task of power system protection managementsystem, main task is t

8、o relay the datain volved, graphics, forms, docume nts, etc. for in put, query, modify, delete, browse. As the managementobjecthierarchy and more complex structure, i nvolvi ng almost all of one or two device parameters, operating status, statisticalanalysis, documentmanagementor personnelin formati

9、 on and other tran sacti on man ageme nt, layers of protecti on specializati on smaller, which makesthedatabase, many differe nt types of table use man ageme nt system can greatly improve the efficie ncy and accuracy of data used.In the power system, there is software protecti ondevices, such as def

10、ective desig n, thesec on darycircuit desig n un reas on able,parameters withthe bad, poor quality comp onen ts, equipme nt aging, the sec ondide ntityisin correct,is not runningcoun ter-measures, and many other reas on s, lead ing to run relay protecti on equipme nt there or failure, ra ngi ng from

11、 the impact equipment operation, while in endangering the grid security and stability, for which we must attachgreatimporta nee torelaytroubleshooti ng,serious andlast ingrelay thein formati ontocarryout goodman ageme nt.Second,thelackofrelayprotecti onmanagementLookingat the current power systemdev

12、elopment,managementof power supply units, relay,relay protecti on man ageme nt un its will find problems in various forms, records vary, differe nt record ing format, fill in also very irregular; In addition,almost all units ofman ageme nt vuln erabilities are discovered and treatme nt is often just

13、 take notes, there has not eliminated the failure to con duct a deeper an alysis and research. More serious is the in dividual un its or eve n without any record of failure, there man ageme nt less ofte n after only arrange resolved eve n if the bin due to the man ageme nt of each unit varying degre

14、es of attention,eventuallyleading tooperationand maintenance effects are very different:some units fail, it may once eradicated, equipmentandn etwork security firm basis; while some un its appear the same fault, may not completely elimi natemultiplehandling,time-consumingand supplies, and equipmenta

15、nd seriously affect the security and stability of the grid; eve n some failure occurs, because the professi onal team members are n ervous, can not be immediately elimi nated, together with the corresp onding record of failure do not, result ing in glitches become stra nded due to large losses. for

16、this phe nomenon,in order to reduce duplicati onofcon sumer lack of work, and con sta ntly enhance the ability to relay pers onnel to deal with failure and accumulatio n of experie nee, improve relay protecti on in dicators, to en sure the healthy operati on of power equipme nt and power grid securi

17、ty and stability. effectively troubleshoot managementwill do a good job, and throughscientificman ageme ntto guide the safe operati on andmaintenance work must be impleme ntati on of computer failure and vuln erabilityman ageme nt,with computerpowerful, for the occurre nee of the fault storage stati

18、stics, summary, classificati on, and careful research,an alysis,look ing for equipme nt operati on rules, fault man ageme nt applicati onsto better serve theoperatio nandmaintenance and safety.Third, the troubleshooti ng steps1, i ndepe ndent of the relay device accord ing to thetype of failure stat

19、istics. On the curre nt system is running a variety of circuitprotecti ondevices,tran sformerprotecti on, bus differe ntial protecti on, reactor protecti on devices, capacitorprotection,reclosing device or relay ,sta ndby power from the switch ing device, switch ing boxes, voltage switch boxes, and

20、other protection or automatic safety devices, device types according to their failure in the statistics in the computer, i nstead of a list of records or statistics, etc. by stati on. turn affixed to the free dow nl oad 2, the relay fault classificati on in additi on to failure of equipme nt or by d

21、egree of in flue nee of power grid is divided into general, serious, critical three categories, it can also produce accord ing to the direct cause of failure, the fault is divided into poorly designed (including two sec ond loop and the device works), coun ter-measures are not impleme nted, poor qua

22、lity of comp onents (in clud ing the quality of the product itself long after the product is running backward and agin g), staff errors (in clud ing faulty wiri ng, improper sett ing error or debug, error identification,acceptanee is not in place ) four aspects.After this the fault statistics, one c

23、an fault the degree of harm, lack of priority can cellati on arran geme nts; the other hand, the resp on sibility to facilitate the fault classificati on and targeted rectificatio n, a fun dame ntal soluti on to the likelihood of another failure, but also to ensure that the troubleshooti ng, process

24、 ing of results.3, a clear cha nnel or relay system defects log inIn order to gradually master the equipmentoperationrules, and con sta ntly improve the level of relay operati on and maintenance pers onn el, it must appear on a variety of equipme nt failure relay timely andcomprehe nsivestatistics ,

25、 in additi on to relay on his own discovery of the failure should be timely statistics, but also the importa nee of timely statistics substati on operati on on duty found the fault, but to do the latter is often more difficult to end, must run the departme nt (staff) clear followi ngtheelectrical pr

26、otecti on fault report ing cha nn els, the system, through the system, explicitly fault reportingchannels,boun daries of fault han dli ng, faulthan dli ngthecon seque nces of delay in the attributi on of resp on sibility, to ensure that every failure can be timely statistics, look through the defect

27、 man ageme nt device operati on of the law to lay a solid foun dati on.Fourth, the relay fault managementmeasures1, the track relay equipme nt operati on, timely, reas on ablearran geme nts for con sumer lack through fault man ageme nt, you can keep track of equipme nt operati on, be aware of: What

28、equipme nt failures, can be reassuri ng, what equipmentthere is failure, failure would not affectthe safe operationof equipment,and faulty equipment,accordingto the nature of failure, in order of priority,immediately arrange to resolve or gradually in corporated into themon thly con sumpti onof producti on equipme ntmaintenancepla n or a comb in ati onof lack of regularin specti onrelay, thetran sferof calibrati on,con diti on-basedmaintenance toCon sumerslack ofequipmen