套筒式永磁涡流调速器结构与性能分析

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1、万方数据StructuralandPerformanceAnalysisofBarrel—shapedPermanentMagnetEddySpeedControllerAbstractRecentyears，permanentmagnetmagnetictransmissiontechnologyhasattractmoreandmorepublicattention．Withtheadvantagesofenergysaving，environmentprotection，no—loadstartandoverloadprotection，itwasalrea

2、dyappliedintomanyfieldssuchaspetrochemicalengineering，thermalpowergeneration，oceaneeringandSOon．Now,permanentmagnetmagneticcouplerisoneofpermanentmagnetmagnetictransmissiontechnology．Eventhoughitcanachievetransmissionwithoutmechanicalcontact，butitcannotcontrolspeedinrotatingloadsystem

3、．Permanentmagneteddyspeedcontrollercansolvethisproblemefficiently．thisthesisfocusonthestructuredesign，thetransmissionprinciple，，thetheoreticalanalysisontheair-gapmagneticfield，thefiniteelementanalysisandthetemperaturedistributionandSOon．Firstly,thisthesisstudiesonthedevelopmentpermane

4、ntmagnetmagnetictransmission，especiallypermanentmagneteddytransmission．Comparedwithotherspeedcontroller,thepermanentmagneteddyspeedcontrollerhasmanyadvantages．Thenintroducingthestructureofthisdeviceandprincipleoftransmission，emphasizingonthechooseofpermanentmagnetmaterialanddesignofma

5、gneticroutes．Afterchoosingmaterial，analyzingthisstructuremodelingSOthatseeingdistributionofeddyandmagneticlines．Secondly,usingtheoreticalanalysismethodandfiniteelementmethodcalculatetheair-gapmagneticfieldstrength，andcomparedwithresultsSOthattestingthevalidityoftwomethods．Thetheoretic

6、alanalysismethodisthatdeducingthefunctionofair-gapmagneticfieldintensitybybasicelectromagnetismknowledge．Then，assigningvalueintothisfunctionbythesoftwareMatlabtoseethedistributionofair-gapmagneticfieldstrength．Thefiniteelementmethoditthatanalyzingthisdeviceindifferentparameterstatesby

7、theAnsofttogetthedistributionofair-gapmagneticfieldstrengthandtorque．Comparedwithresultstotheoreticalanalysismethodandtestingthevalidityoftwomethods．Then，findingouttheoptimalvalueofair-gapmagneticfieldstrengthandtorqueamongtheresults．theseII万方数据parameterscontainthethicknessofair-gap，r

8、otate