电力系统继电保护毕业论文中英文资料外文翻译文献电力系统继电保护论文中英文资料Relayprotectiondevelopmentpresentsituation[Abstract]reviewedourcountryelectricalpowersystemrelayprotectiontechnologicaldevilorpimentprocess,hasoutlinedthemicrocomputerrelayprotectiontechnologyachievement, proposedthefuturerelayprotectiontechnological development tendencywillbe:Computerizes, nnetworked,protects,thecontrol,thesurvey,thedatacommunicationintegrationandtheartificialIintellectualization. [Keyword]relayprotectionpresentsituationdevelopment,relayprotectionsfuturedevelopment1relayprotectiondevelopmentpresentsituationTheelectricalpowersystemrapiddevelopment totherelayprotectionproposedunceasingly thenewrequest,theelectronictechnology, computertechnologyandthecommunication rapiddevelopment unceasingly haspouredintothenewvigorfortherelayprotectiontechnologydevelopment,therefore,therelayprotectiontechnologyisadvantageous, hascompletedthelopment4historical stageinmorethan40yearstime.Afterthefoundingofthenation,ourcountryrelayprotection discipline, therelayprotectionsign,therelaymanufacture industryandtherelayprotection technical teamgrowsoutofnothing,haspassedthroughthepathinabout10yearswhichadvancedcountries halfcenturypassesthrough.The50"s,ourcountryengineers andtechnicians creatively absorption, thedigestion,havegraspedtheoverseasadvancedrelayprotectionequipmentperformanceandthemovementtechnology，completed tohavethedeeprelayprotectiontheoryattainmentsandtherichmovementexperiencerelayprotectiontechnicalteam,andgrewtheinstructionfunctiontothenationalrelayprotectiontechnicalteam"sestablishment. Theachengrelayfactoryintroductionhasdigestedatthattimetheoverseasadvancedrelaymanufacture technology, hasestablishedourcountryrelaymanufacturing industry.Thusourcountryhascompletedtherelayprotectionresearch,thedesign,themanufacture, themovementandtheteachingcompletesysterninthe60"s.Thisisatimewhichthemechanical andelectricalprotection prospers, wasourcountryrelayprotection technology development haslaidthesolidfoundation. Fromtheendofthe50"s,thetransistor relayprotectionstartingtostudy.Inthe60"stothe80"sinarethetimeswhichthetransistor relayprotection vigorousdevelopment andwidelyuses.TianjinUniversity andtheNanjingelectricpowerautomation plantcooperation research500kvtransistor direction highfrequency protection thetransistor highfrequency blocksystemwhichdevelopstheNanjingelectricpowerautomation researchinstitute isawayfromtheprotection, movesontheGezhouDam500kvline,finishedthelineprotection todependuponcompletely fromtheoverseasimporttime.Fromthe70"s,startedbasedontheintegration operational amplifier integrated circuitprotectio ntostudy.Hasformedthecompleteseriestoattheendof80’sintegrated circuitprotection, substitutes forthetransistor protection gradually. Thedevelopment, theproduction, theapplicationtheintegrated circuitprotectswhichtothebeginningofthe90"sstillwereinthedominantposition,thiswastheintegrated circuitprotection time.Theintegrated electricity roadworkfrequencyconversion quantitydirection developswhichinthisaspectNanjingelectricpowerautresearchinstitute highfrequency protected thevitalrole,theTianjinUniversity andtheNanjingelectricpowerautomation plantcooperation development integrated circuitvoltagecompensated thetypedirection highfrequency protection alsomovesinmulti-strip220kvandonthe500kvline.Ourcountrynamelythecomputerrelayprotection researchfromtheendofthe70’s，theinstitutions ofhigherlearningandthescientific researchcourtyardinstituteforerunners funotion.HuazhongUniversity ofScienceandTechnology, southeast theuniversity, theNorthChinaelectricpowerinstitute, theXianJiaotongUniversity, theTianjinUniversity, ShanghaiJiaotongUniversity, theChongqing University andtheNanjingelectricpowerautomation researchinstitute oneafteranotherhasalldeveloped thedifferent principle, thedifferentpatternmicrocomputerprotectivedevice.In1984theoriginalNorthChinaelectricpowerinstitutedevelopedthetransmission linemicrocomputer protectivedevicefirstthroughtheappraisal,inthesystemthefindapplication, hadopenedinourcountryrelayprotectionhistorythenewpage,protectedthepromotionforthemicrocomputerpavetheway.Inthehostequipment protectio naspect,thegenerator whichsoutheast theuniversity andHuazhong University ofScienceandTechnologydevelopslosesmagnetismprotection, thegeneratorprotection andthegenerator?Bankoftransformers protection alsooneafteranotherin1989，in1994throughappraisal, investment movement.TheNanjingelectric powerautomation research institute develops microcomputer lineprotective devicealsoin1991throughappraisal. TheTianjinUniversity andtheNanjingelectricautomationplantcooperation development microcomputer phasevoltagecompensated thetypedirectionhighfrequencyprotection, theXianJiaotongUniversityandtheXuChangrelaycooperation development positivesequencebreakdown component direction highfrequency protection alsooneafteranotherin1993，in1996throughtheappraisal.Heres,thedifferentprinciple,thedifferenttypemicrocomputer lineandthehostequipmentprotectunique,providedonebatchofnewgenerationofperformance fortheelectricalposystemfine,thefunctionhasbeencomplete,theworkreliablerelayprotectioninstallment. Alongwiththemicrocomputer protectivedeviceresearch,inmicrocomputer aspectandonprotection software, algorithm hasalsoyieldedtheverymanytheories result.Maysaystartedourcountryrelayprotection technology fromthe90*senterthetimewhichthemicrocomputerprotected.2relayprotections futuredevelopment Therelayprotectiontechnologyfuturethetendencywillbetocomputerizes,networked,theintellectualization, willprotect,thecontrol,thesurveyandthedatacommunicationintegrationdevelopment.2.1computerizesAlongwiththecomputerhardwareswiftviolentdevelopment, themicrocomputer protectionhardwarealsounceasingly isdeveloping. TheoriginalNorthChinaelectricpowerinstitutedevelopsthemicrocomputer lineprotectionhardwareexperienced 3development phases:Ispublishedfrom8listscpustructuremicrocomputer protection, doesnotdevelopto5yearstimetothemulti-structure, latterdeveloped tothemainlinedoesnotleavethemodulethebigmodularstructure, theperformance enhancesgreatly,obtainedthewidespreadapplication.HuazhongUniversityofScienceandTechnologydevelopsthemicrocomputer protectionalsoisfrom8cpu,developstotakethelaborcontrolling machinepartiallyasthefoundation32microcomputers protection.TheNanjingelectricpowerautomationresearchinstitutefromtheverybeginninghasdeveloped16cputhefoundationmicrocomputer lineprotection, obtainedthebigareapromotion,atpresentalsoisstudying32protections hardwaresystem.Southeasttheuniversitydevelopshemicrocomputer hostequipmentprotectsthehardwarealsopassedthroughimprovedandtheenhancement manytimes.TheTianjinUniversityfromtheverybeginningthedevelopmenttakemorethan16cpuasthefoundationmicrocomputer lineprotection, in1988namelystartedtostudytake32digitalsignalsprocessor(dsp)asthefoundationprotection, thecontrol,thesurveyintegration microcomputer installment, atpresentcooperatedwiththeZhuhaiJinautomaticequipmentcompanydevelopsonekindoffunctioncomplete32bigmodules,amodulewasaminicomputer. Uses32microcomputers chipsonlytofocusbynomeansontheprecision,becauseoftheprecision thea/dswitchresolution limit,issurpassed time16allisacceptswithdifficulty intheconversionrateandthecostaspect;32microcomputers chipshavetheveryhighintegrationratemoreimportantly, veryhighoperatingfrequencyandcomputationspeed,verybigaddressing space,richcommandsystemandmanyinputsoutlet.Thecpuregister,thedatabus,theaddressbusallare32，hasthe。