交流接触器热特性分析及优化设计.pdf

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1、⺅༛ᆖս䇪᮷Ӛ⍷᧛䀜ಞ✣⢯ᙝ࠼᷆਀Վौ䇴䇗ANALYSISANDOPTIMALDESIGNOFACCONTACTOR’STHERMALCHARACTERISTICS㜑ᯩ❗⺣䅷ぴ₩⮶ⷵ2012ᒤ7ᴸഭ޵മҖ࠶㊫ਧ˖TM572.2ᆖṑԓ⸱˖10213ഭ䱵മҖ࠶㊫ਧ˖621.3ᇶ㓗˖ޜᔰᐕᆖ⺅༛ᆖս䇪᮷Ӛ⍷᧛䀜ಞ✣⢯ᙝ࠼᷆਀Վौ䇴䇗⺋༡⹊ガ⭕˖㜑ᯩሲᐾ˖⦻␁၏ᮉᦸ⭩䈭ᆜփ˖ᐕᆖ⺅༛ᆜ〇˖⭥≄ᐕ〻ᡶ൞ঋփ˖⭥≄ᐕ〻৺㠚ࣘॆᆖ䲒ㆊ䗟ᰛᵕ˖2012ᒤ7ᴸᦾҾᆜփঋփ˖૸ቄ┘ᐕъབྷᆖClassifiedIndex:TM5

2、72.2U.D.C:621.3DissertationfortheDegreeofMasterinEngineeringANALYSISANDOPTIMALDESIGNOFACCONTACTOR’STHERMALCHARACTERISTICSCandidateφHuFangSupervisorφProf.WangShujuanAcademicDegreeAppliedforφMasterofEngineeringSpecialtyφElectricalEngineeringAffiliationφSchoo

3、lofElectricalEngineeringDateofDefenceφJuly,2012Degree-Conferring-InstitutionφHarbinInstituteofTechnology૸ቄ┘ᐕъབྷᆖᐕᆖ⺅༛ᆖս䇪᮷᪎㾷Ӕ⍱᧕䀖ಘ൘⭥㜭Ր䗃઼䇮༷᧗ࡦѝ䎧ࡠॱ࠶ޣ䭞Ⲵ֌⭘ˈ䲿⵰⭥≄䇮༷ᰕ䎻༽ᵲˈ⭘ᡧሩ᧕䀖ಘⲴᙗ㜭઼ਟ䶐ᙗ㾱≲䎺ᶕ䎺儈DŽᵜ᮷⹄ウⲴ᧕䀖ಘᆈ൘⑙ॷ䗷儈ǃ䀖⛩⟄✺ǃ⭥ሯભн䗮ḷㅹ䰞仈ˈഐ↔䴰㾱ሩަ✝⢩ᙗ䘋㹼࠶઼᷀Ոॆ䇮䇑DŽ俆ˈᵜ᮷࠶᷀Ҷ⭥⻱㌫㔏Ⲵ✝⢩ᙗDŽ䙊䗷䇑㇇䫱㣟Ⲵ⏑⍱઼⻱┎ᦏ

4、㙇ˈᒦ࡙⭘ANSYSᴹ䲀䖟Ԧ䘋㹼⻱-✝㙖ਸԯⵏⲴᯩ⌅ˈਟԕᗇࡠ䫱㣟Ⲵ⑙ᓖ൪࠶ᐳDŽ࡙⭘⢋亯✝䇑㇇ޜᔿሩ㓯സ൘੨ਸ⣦ᘱлⲴ❖㙣✝ᦏ㙇઼ᴰ儈⑙ᓖ䘋㹼䇑㇇ˈᒦ䙊䗷ᇎ傼ሩԯⵏ㔃᷌Ⲵ↓⺞ᙗ䘋㹼傼䇱DŽަ⅑ˈᵜ᮷࠶᷀Ҷ᧕䀖㌫㔏Ⲵ✝⢩ᙗˈᨀࠪҶа⿽㋇㌉㺘䶒᧕䀖⭥䱫䇑㇇઼䀖⛩⑙ॷԯⵏⲴᯩ⌅DŽާփⲴˈ䙊䗷䀖⛩Ⲵ㺘䶒ᖒ䊼⍻䟿઼ᮠᦞ㔏䇑࠶᷀ˈᔪ・䀖⛩᧕䀖Ⲵᮠᆖ⁑රˈਟԕ߶⺞ൠ䇑㇇аᇊ᧕䀖঻࣋лє㺘䶒Ⲵᒣ൷䐍⿫ǃ᧕䀖ᯁ⛩ᮠ઼ᇎ䱵᧕䀖䶒〟DŽ❦ਾሶ᧕䀖⁑රᓄ⭘ࡠ᧕䀖⭥䱫Ⲵ䇑㇇ޜᔿѝˈᗇࡠ᧕䀖⭥䱫Ⲵᮠᆖ⁑රDŽᴰਾ䙊䗷ᔪ・᧕䀖⭥䱫ㅹ᭸փˈ䘋㹼

5、й㔤ᴹ䲀✝-⭥㙖ਸԯⵏDŽᓄ⭘䈕ᯩ⌅ˈਟԕ߶⺞䇑㇇᧕䀖⭥䱫઼䀖⛩⑙ॷˈᒦ䙊䗷ᇎ傼傼䇱DŽ䘋а↕࠶᷀ᗇࡠ᧕䀖঻࣋ǃ䙊⭥⭥⍱઼䀖⛩ቪረሩ䀖⛩⑙ॷⲴᖡ૽㿴ᖻˈѪ䱽վ䀖⛩⑙ॷ઼᧕䀖㌫㔏ⲴՈॆ䇮䇑ᨀ׋৲㘳઼׍ᦞDŽ㔬ਸԕкᐕ֌ˈᔪ・᧕䀖ಘⲴᮤᵪ✝൪ᮠᆖ⁑ර઼ᴹ䲀⁑රˈ൘⺞ᇊ޵䜘≄փՐ✝ᯩᔿⲴส⹰кˈ䙊䗷⴨լ৏⨶䇑㇇ѫ㾱ᮓ✝䶒Ⲵሩ⍱ᮓ✝㌫ᮠˈ䙊䗷ԯⵏᗇࡠ᧕䀖ಘᮤᵪԕ৺ޣ䭞䜘ԦⲴ⑙ᓖ൪࠶ᐳˈ࡙⭘㓒ཆ✝ۿԚ䘋㹼⍻⑙ˈ傼䇱ԯⵏ⁑ර઼㔃᷌Ⲵ↓⺞ᙗDŽ਼ᰦሩ儈ǃվ⑙⧟ຳл᧕䀖ಘⲴ✝⢩ᙗ䘋㹼࠶᷀ˈ傼䇱ӗ૱㙀儈ǃվ⑙ߢࠫⲴ㜭࣋DŽᴰਾᵜ᮷䙊䗷

6、࠶᷀᧕䀖ಘ✝⢩ᙗⲴᖡ૽ഐ㍐ᨀࠪՈॆ䇮䇑ᯩ⌅DŽ䪸ሩ⹄ウሩ䊑Ӕ⍱᧕䀖ಘˈᨀࠪҶй⿽Ոॆ䇮䇑ᯩṸDŽ䙊䗷✝⢩ᙗՈॆ䇮䇑ˈਟԕ߿ሿ䫱㣟Ⲵ⏑⍱ᦏ㙇ˈ໎ᕪ᧕䀖ಘⲴᮓ✝ᙗ㜭ˈ䱽վ䀖⛩⑙ॷˈ㘼ф᧕䀖ಘⲴ⑙ᓖ൪࠶ᐳ൷रਸ⨶ˈ᧕䀖ಘⲴਟ䶐ᙗᗇԕᨀ儈ˈᒦᴰ㓸ᇎ⧠᧕䀖ಘ✝⢩ᙗⲴՈॆ䇮䇑ˈ┑䏣ᇒᡧ㾱≲DŽީ䭤䈃˖Ӕ⍱᧕䀖ಘ˗✝⢩ᙗ˗ᴹ䲀ԯⵏ˗ཊ⢙⨶൪˗᧕䀖⭥䱫-I-૸ቄ┘ᐕъབྷᆖᐕᆖ⺅༛ᆖս䇪᮷AbstractACcontactorplaysakeyroleinpowertransmissionandequipmentcontrol.A

7、sthecomplexityoftheelectricalequipmentsincreasescontinuously,therequirementsfortheperformancesandreliabilityofcontactorsaregettinghigherandhigher.TheACcontactorstudiedinthispaperhassomepracticalproblemsinapplication,suchashightemperaturerise,contactwelding

8、,insufficientelectricallifeandsoon.Theseproblemsrequireanalysisandoptimumdesignofitsthermalcharacteristics.Firstly,theeddy-currentandhysteresislossofironcoreintheelectromagneticsystemarecalculated.Thetemperat