继电保护外文+翻译1Word格式.doc

继电保护外文+翻译1Word格式.doc

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Institution:

TianjinElectricPowerAssociation

[Abstract]reviewedourcountryelectricalpowersystemrelayprotectiontechnologicaldevelopmentprocess,hasoutlinedthemicrocomputerrelayprotectiontechnologyachievement,proposedthefuturerelayprotectiontechnologicaldevelopmenttendencywillbe:

Computerizes,networked,protects,thecontrol,thesurvey,thedatacommunicationintegrationandtheartificialintellectualization.

[Keyword]relayprotectionpresentsituationdevelopment，relayprotectionsfuturedevelopment

1relayprotectiondevelopmentpresentsituation

Theelectricalpowersystemrapiddevelopmenttotherelayprotectionproposedunceasinglythenewrequest,theelectronictechnology,computertechnologyandthecommunicationrapiddevelopmentunceasinglyhaspouredintothenewvigorfortherelayprotectiontechnologydevelopment,therefore,therelayprotectiontechnologyisadvantageous,hascompletedthedevelopment4historicalstageinmorethan40yearstime.

Afterthefoundingofthenation,ourcountryrelayprotectiondiscipline,therelayprotectiondesign,therelaymanufactureindustryandtherelayprotectiontechnicalteamgrowsoutofnothing,haspassedthroughthepathinabout10yearswhichadvancedcountrieshalfcenturypassesthrough.The50'

s,ourcountryengineersandtechnicianscreativelyabsorption,thedigestion,havegraspedtheoverseasadvancedrelayprotectionequipmentperformanceandthemovementtechnology,completedtohavethedeeprelayprotectiontheoryattainmentsandtherichmovementexperiencerelayprotectiontechnicalteam,andgrewtheinstructionfunctiontothenationalrelayprotectiontechnicalteam'

sestablishment.Theachengrelayfactoryintroductionhasdigestedatthattimetheoverseasadvancedrelaymanufacturetechnology,hasestablishedourcountryrelaymanufacturingindustry.Thusourcountryhascompletedtherelayprotectionresearch,thedesign,themanufacture,themovementandtheteachingcompletesysteminthe60'

s.Thisisatimewhichthemechanicalandelectricalrelayprotectionprospers,wasourcountryrelayprotectiontechnologydevelopmenthaslaidthesolidfoundation.

Fromtheendofthe50'

s,thetransistorrelayprotectionwasstartingtostudy.Inthe60'

stothe80'

sinarethetimeswhichthetransistorrelayprotectionvigorousdevelopmentandwidelyuses.TianjinUniversityandtheNanjingelectricpowerautomationplantcooperationresearch500kvtransistordirectionhighfrequencyprotectionthetransistorhighfrequencyblocksystemwhichdevelopswiththeNanjingelectricpowerautomationresearchinstituteisawayfromtheprotection,movesontheGezhouDam500kvline,finishedthe500kvlineprotectiontodependuponcompletelyfromtheoverseasimporttime.

Fromthe70'

s,startedbasedontheintegrationoperationalamplifierintegratedcircuitprotectiontostudy.Hasformedthecompleteseriestoattheendof80'

sintegratedcircuitprotection,substitutesforthetransistorprotectiongradually.Thedevelopment,theproduction,theapplicationtheintegratedcircuitprotectswhichtothebeginningofthe90'

sstillwereinthedominantposition,thiswastheintegratedcircuitprotectiontime.TheintegratedelectricityroadworkfrequencyconversionquantitydirectiondevelopswhichinthisaspectNanjingelectricpowerautomationresearchinstitutehighfrequencyprotectedthevitalrole,theTianjinUniversityandtheNanjingelectricpowerautomationplantcooperationdevelopmentintegratedcircuitphasevoltagecompensatedthetypedirectionhighfrequencyprotectionalsomovesinmulti-strip220kvandonthe500kvline.

Ourcountrynamelystartedthecomputerrelayprotectionresearchfromtheendofthe70'

s,theinstitutionsofhigherlearningandthescientificresearchcourtyardinstituteforerunner'

sfunction.HuazhongUniversityofScienceandTechnology,southeasttheuniversity,theNorthChinaelectricpowerinstitute,theXianJiaotongUniversity,theTianjinUniversity,ShanghaiJiaotongUniversity,theChongqingUniversityandtheNanjingelectricpowerautomationresearchinstituteoneafteranotherhasalldevelopedthedifferentprinciple,thedifferentpatternmicrocomputerprotectivedevice.In1984theoriginalNorthChinaelectricpowerinstitutedevelopedthetransmissionlinemicrocomputerprotectivedevicefirstthroughtheappraisal,andinthesystemthefindapplication,hadopenedinourcountryrelayprotectionhistorythenewpage,protectedthepromotionforthemicrocomputertopavetheway.Inthehostequipmentprotectionaspect,thegeneratorwhichsoutheasttheuniversityandHuazhongUniversityofScienceandTechnologydevelopslosesmagnetismprotection,thegeneratorprotectionandthegenerator?

Bankoftransformersprotectionalsooneafteranotherin1989,in