电子信息工程专业车用永磁发电机电子稳压器驱动和保护电路设计文献翻译.docx

电子信息工程专业车用永磁发电机电子稳压器驱动和保护电路设计文献翻译.docx

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电子信息工程专业车用永磁发电机电子稳压器驱动和保护电路设计文献翻译

本科生毕业设计（论文）文献翻译

设计（论文）题目：

车用永磁发电机电子稳压器（驱动和保护电路设计）

分院：

　电子信息分院　　　　　

专业班级：

电子xx班

姓名：

xxx

学号：

xxxxxx

指导教师：

xxxxxxx

教师职称：

副教授

完成日期：

2008年3月16日

温州大学城市学院教学科研部制

毕业设计（论文）文献翻译

1.所译外文资料：

ThePromisingFutureofPermanentMagnetGenerator

SHILi-wei1,ZHANGXue-yi1,GENGSong-liang1,WANGYa-lin1,LIAi-jun1，LIXian-wen2

[Abstract]Aftertheintroductionofthelateautomobilegenerator,theoutstandingadvantageofpermanentmagnetgeneratorispresentedsystemically,andthepromisingapplianceprospectisthusdeclared.

[Keywords]eletricengineering;generator;summarize;permanentmagnet

1Amotorgeneratorstatusquoathomeandabroad

Atpresent,domesticandforeignautomotivegeneratorisSiliconectifiergenerators.Theelectricitygeneratorfromamagneticfieldwinding,thefieldwindingrotoreasilydestroyed,disconnected,powerconsumption,andmustbeprovidedbytheexcitingcurrentbatteriescanpowergeneration,thiswillinevitablyincreasethecostoftheautomobile.SiliconRectifiergeneratorswithabrushlessslipringstructure,slipringdiameter,high-speed,brushlesseasytowear,shortlifeexpectancy,thehighfailurerate;otheristhebrushlessgenerators,itincreasesthemagneticfieldgap,MFL,materialutilizationlowandhighcost.Domesticagriculturalvehiclesusedbythegeneratorsismainlyferritemagnetsalternators,200Wpowerinthefollowing,notdirectlytotheagriculturalvehiclewiththeblowingrain,theplaneheater,electricspeakers,suchasDCpower,norcanthebatterycharging.

Atpresent,manydomesticandforeignresearchinstitutes,enterprisesinvestedagreatdealoffundsforpermanentmagnetmotorgeneratorDevelopmentofwork.Are:

（1）PermanentMagnetDCgenerator.OrthroughtheuseofferritematerialsandrareearthpermanentmagnetsSerieselectronicregulatorandgeneratorwindingsandstructuralre-design,generatingastableoutputvoltagedirectcurrent.

（2）hybridexcitationgenerators.Itsmainmagneticfieldprovidedbythepermanentmagnet,thefieldwindingonlyregulatemagneticfield,toovercometheSiliconRectifierbrushlessslipringgeneratorsinstalledwiththeshortcomingsofcomplexstructures,lowcostperformance.

2permanentmagnetgeneratorsmainadvantages

（1）structureissimple,reliablework.Permanentmagnetgeneratorstoavoidapowergeneratorexcitationofthefieldwinding-burning,carbonbrushanddisconnected,easytowearslip-ringproblems,improvereliability.Electronicregulatorsandasoneofthegenerators,sothatthegeneratorsofDCoutput,smallsize,lightweight,theuseofmaintenance-friendly.

（2）asingle-phasedual-half-wavecontrolledrectifiertechnology.SCRtoachievewithtwoDCoutputvoltageregulatortoreplacethesiliconrectifyingthesixgeneratorsZhengLiuguancomposedofthree-phaserectifierbridgeandregulatingtherotorexcitingcurrentsizeoftheelectronicregulator.Astheautogeneratorpower,theoutputvoltageto14V,outputcurrent,currentperPNjunctiondeclineaftera0.7V.ByQ=IUtisunderstoodthatthecurrentis,themoreheat.PNjunctionofthelargenumberoffeverisnotonlyawasteoftheeffectivepowergenerators,coolingandsolveadifficultproblem.Powergeneratoroutputinthesamecircumstances,single-phasedual-half-wavecontrolledrectifierregulatorcircuitpowerconsumption,comparablebridgerectifiercircuitoflowpowerconsumption50percent,reducetheheattoraisetheoutputpower,andthatthecircuit-Stability

Pressure,rectifierinone,greatlyreducingcosts.

（3）Morethen350Wgenerator,ahighmagneticNdFeBrareearthpermanentmagnetmaterials,efficientuseofouruniquerareearthresources,raremetalsandcoppertoreduceourdependenceonforeignimports.Thepermanentmagneticmaterialswithhighenergyproduct,thesmallersizewillbeabletoprovidelargeenoughmagneticfield,makingtheinternalstructureofcompactgenerators,smallsize,lightweight.Simplifythestructureoftherotoralsomadetoreducetherotormomentofinertia,practicalspeedincreaseoverthepower（thatis,power,volumeratio）toachieveahighervalue.750WofNdFeBpermanentmagnetgeneratorsand350Wsiliconrectifyingthequalityofagenerator.Thepermanentmagnetmaterialsalsohaveahighresidualmagnetisminductionintensityandcoerciveforce,tomagneticcurveforastraightline,almostnoirreversibledemagnetization.

（4）lessthan350Wforthegenerators,ferritemagnetsusedmaterials.Becausethismaterialisnon-REEcobalt,nickelandothermetals,lowprices.Ferritemagnetsusedforrotormaterial,generatorperformancecanalsoachievetheuseofagriculturalvehiclesrequirements.Accordingtogeneratorpoweroutputparameterscorrespondingselectpermanentmagneticmaterials,generatorscanmeetperformancere