Uphononongo ngempembelelo yeStator Electromagnetic Force Ingxolo ye-electromagnetic ye-stator kwi-motor ichatshazelwa ikakhulu zizinto ezimbini, amandla e-electromagnetic excitation kunye nokusabela kolwakhiwo kunye nemitha ye-acoustic ebangelwa ngamandla okuvuselela ahambelanayo. Uphononongo lophando.
Unjingalwazi uZQZhu ovela kwiDyunivesithi yaseSheffield, e-UK, njl. umazibuthe brushless DC motor enepali ezili-10 kunye 9 kwiindawo zokubeka. Ingxolo iyafundwa, ubudlelwane phakathi kwamandla ombane kunye nobubanzi bezinyo le-stator bufundwe ngokwethiyori, kunye nobudlelwane phakathi kwe-torque ripple kunye neziphumo zokuphucula ukungcangcazela kunye nengxolo iyahlalutywa. Unjingalwazi uTang Renyuan kunye noSong Zhihuan ovela kwiYunivesithi yaseShenyang yeTekhnoloji banike indlela yohlalutyo epheleleyo yokufunda amandla ombane kunye ne-harmonics kwimotor yemagnethi esisigxina, eyabonelela ngenkxaso yethiyori kuphando oluthe kratya kwithiyori yengxolo yenjini yemagnethi esisigxina.Umthombo wengxolo we-electromagnetic vibration uhlalutywa ujikeleze imagnethi esisigxina ye-synchronous motor enikwe amandla yi-sine wave kunye ne-frequency converter, ukubonakaliswa kophawu lomsantsa womoya wemagnethi, amandla ombane aqhelekileyo kunye nengxolo yokungcangcazela iyafundwa, kunye nesizathu setorque. i-ripple iyahlalutywa. I-torque pulsation yalinganiswa kwaye yaqinisekiswa ngokulinga kusetyenziswa i-Element, kunye ne-torque pulsation phantsi kweemeko ezahlukeneyo ze-slot-pole fit, kunye nemiphumo yobude besithuba somoya, i-arc coefficient, i-angle ye-chamfered, kunye nobubanzi be-slot kwi-torque pulsation yahlalutywa. . Amandla eradial ye-electromagnetic kunye nemodeli yamandla e-tangential, kunye nemodyuli ehambelana nayo iyenziwa, amandla ombane kunye nempendulo yengxolo ye-vibration zihlalutywa kwi-domain frequency kunye nemodeli yeradiation ye-acoustic iyahlalutywa, kwaye ukulinganisa okuhambelanayo kunye nophando lovavanyo luyenziwa. Kucaciswe ukuba iindlela eziphambili ze-stator yemagnethi esisigxina ziboniswa kumzobo. 
Eyona ndlela iphambili yemoto umazibuthe esisigxina
Itekhnoloji yokuphucula ubume bomzimba weMoto Eyona nto iphambili yemagnethi kwimoto ingena kwisithuba somoya kakhulu, kwaye ivelisa amandla eradial kwistator kunye nerotor, ibangela ukungcangcazela kwe-electromagnetic kunye nengxolo.Kwangaxeshanye, yenza umzuzu we-tangential kunye ne-axial force, ebangela ukungcangcazela kwe-tangential kunye ne-axial vibration.Kwizihlandlo ezininzi, ezinje ngeenjini zeasymmetric okanye iimotor zenqanaba elinye, ukungcangcazela kwetangential kuveliswe kukhulu kakhulu, kwaye kulula ukubangela iresonance yamacandelo aqhagamshelwe kwimotor, ekhokelela kwingxolo.Ukuze ubale ingxolo ye-electromagnetic, kwaye uhlalutye kwaye ulawule ezi ngxolo, kuyimfuneko ukwazi umthombo wazo, oliza lamandla elivelisa ukungcangcazela kunye nengxolo.Ngenxa yesi sizathu, uhlalutyo lwamaza ombane we-electromagnetic lwenziwa ngokuhlalutya kwe-air-gap magnetic field. Ukucinga ukuba i-magnetic flux density wave waveliswa yi-stator, kunye ne-magnetic flux density wave
eveliswa yi rotor yi
, emva koko i-composite magnetic flux density wave kwi-gap yomoya inokubonakaliswa ngolu hlobo lulandelayo:
Izinto ezifana ne-stator kunye ne-rotor slotting, ukuhanjiswa kwe-winging, igalelo lokuguqulwa kwe-waveform yangoku, i-air-gap permeance fluctuation, i-rotor eccentricity, kunye nokungalungelelani okufanayo kunokukhokelela ekuguqulweni komatshini kunye nokungcangcazela. I-harmonics yendawo, i-harmonics yexesha, i-harmonics ye-slot, i-harmonics ye-eccentricity kunye ne-saturation yamagnetic yamandla emagnetomotive zonke zivelisa i-harmonics ephezulu yamandla kunye ne-torque. Ngokukodwa i-radial force wave kwi-AC motor, iya kusebenza kwi-stator kunye ne-rotor ye-motor ngaxeshanye kwaye ivelise ukuphazamiseka kwesekethe yemagnethi. I-stator-frame kunye ne-rotor-casing structure ngowona mthombo we-radiation we-motor ingxolo.Ukuba amandla e-radial asondele okanye alingana nokuphindaphinda kwendalo kwenkqubo ye-stator-base, i-resonance iya kwenzeka, eya kubangela ukuguqulwa kwenkqubo ye-motor stator kunye nokuvelisa ukungcangcazela kunye nomsindo we-acoustic. Kwiimeko ezininzi,
ingxolo yemagnethi ebangelwa yi-2f-frequency ephantsi, i-high-odolo ye-radial force ayihoyi (f yi-basic frequency ye-motor, p linani leeperi ze-motor pole). Nangona kunjalo, amandla eradial evezwe yimagnetostriction anokufikelela malunga nama-50% ombane weradial obangelwa ngumsantsa wemagnethi womoya. Kwi-motor eqhutywa yi-inverter, ngenxa yobukho bexesha eliphezulu le-harmonics kwixesha langoku le-stator windings yayo, ixesha le-harmonics liya kuvelisa i-torque eyongezelelweyo yokutshiza, edla ngokuba nkulu kune-torque ejikelezayo eyenziwa yi-harmonics yendawo. enkulu.Ukongeza, i-voltage ripple eveliswa yiyunithi yokuhlaziya iphinda idluliselwe kwi-inverter ngesekethe ephakathi, ekhokelela kolunye uhlobo lwetorque. Ngokubhekiselele kwingxolo ye-electromagnetic ye-magnetic synchronous motor esisigxina, amandla kaMaxwell kunye namandla ombane zezona zinto zibangela ukungcangcazela kunye nengxolo.
Iimpawu zemotor stator vibration Ingxolo ye-electromagnetic yemoto ayinxulumananga kuphela nobuninzi, ulungelelwaniso kunye ne-amplitude ye-electromagnetic force wave eyenziwe ngumsantsa womoya wemagnethi, kodwa inxulumene nendlela yendalo yesakhiwo semoto.Ingxolo ye-electromagnetic yenziwa ikakhulu kukungcangcazela kwe-motor stator kunye ne-casing.Ke ngoko, ukuqikelela ukuphindaphindwa kwendalo kwe-stator ngokusebenzisa iifomula zethiyori okanye ukulinganisa kwangaphambili, kunye nokumangalisa amandla ombane we-electromagnetic frequency and frequency yendalo yestator, yindlela efanelekileyo yokunciphisa ingxolo yombane. Xa i-frequency ye-radial force wave ye-motor ilingana okanye isondele kwi-frequency yendalo yomyalelo othile we-stator, i-resonance iya kubangelwa.Ngeli xesha, nokuba i-amplitude ye-radial force wave ayinkulu, iya kubangela ukungcangcazela okukhulu kwestator, ngaloo ndlela ivelise ingxolo enkulu yombane.Ngengxolo yemoto, eyona nto ibalulekileyo kukufunda iindlela zendalo kunye ne-radial vibration njengeyona nto iphambili, i-axial order ingu-zero, kwaye imilo yemowudi yendawo ingaphantsi komyalelo wesithandathu, njengoko kubonisiwe kumfanekiso. 
Ifomu ye-Stator vibration
Xa uhlalutya iimpawu ze-vibration ye-motor, ngenxa yempembelelo encinci yokudambisa kwimo yemo kunye nokuphindaphinda kwe-motor stator, inokungahoywa.Ukuthotywa kolwakhiwo kukucuthwa kwamanqanaba okungcangcazela kufutshane nezandi ze-resonant ngokusebenzisa indlela yokuchitha amandla aphezulu, njengoko kubonisiwe, kwaye kuqwalaselwa kuphela okanye kufutshane nezandi zokuza. 
isiphumo sokudambisa
Emva kokongeza i-windings kwi-stator, umphezulu we-windings kwi-iron core slot iphathwa nge-varnish, i-insulating paper, i-varnish kunye nocingo lobhedu lufakwe omnye komnye, kunye nephepha lokukhusela kwi-slot lifakwe ngokusondeleyo kumazinyo. yombindi wentsimbi.Ngoko ke, i-in-slot winding inegalelo elithile lokuqina kwintsimbi yentsimbi kwaye ayikwazi ukuphathwa njengobunzima obongezelelweyo.Xa kuhlalutywa indlela yokuphela kwendlela, kuyimfuneko ukufumana iiparameters ezibonisa iimpawu ezahlukeneyo zomatshini ngokwezinto ze-windings kwi-cogging.Ngexesha lokuphunyezwa kwenkqubo, zama ukuqinisekisa umgangatho wepeyinti yokudipha, ukwandisa ukuxinana kwe-coil winding, ukuphucula ukunyanzeliswa kwe-winging kunye ne-core yentsimbi, ukwandisa ukuqina kwesakhiwo semoto, ukwandisa ukujikeleza kwendalo ukuphepha. resonance, ukunciphisa i-vibration amplitude, kunye nokunciphisa amaza ombane. ingxolo. I-frequency yendalo ye-stator emva kokucinezelwa kwi-casing ihluke kulowo we-stator core eyodwa. I-casing inokuphucula ngokubonakalayo i-frequency eqinile yesakhiwo se-stator, ngakumbi i-frequency ephantsi eqinile. Ukunyuka kwamanqaku okusebenza kwesantya sokujikeleza kwandisa ubunzima bokuphepha i-resonance kuyilo lweemoto.Xa uyila i-motor, ubunzima besakhiwo seqokobhe kufuneka buncitshiswe, kwaye ukuphindaphinda kwendalo kwesakhiwo semoto kunokunyuswa ngokunyusa ngokufanelekileyo ubukhulu beqokobhe ukuphepha ukwenzeka kwe-resonance.Ukongeza, kubaluleke kakhulu ukuseta ngokufanelekileyo ubudlelwane bonxibelelwano phakathi kondoqo we-stator kunye ne-casing xa usebenzisa uqikelelo lwezinto ezinomda.
Uhlalutyo lwe-Electromagnetic yeeMoto Njengomqondiso obalulekileyo woyilo lwe-electromagnetic yemoto, uxinaniso lwemagnethi luhlala lubonisa imeko yokusebenza kwemoto.Ke ngoko, siqala sikhuphe kwaye sijonge ixabiso loxinzelelo lwamagnetic, eyokuqala kukuqinisekisa ukuchaneka kokulinganisa, kwaye okwesibini kukubonelela ngesiseko sokutsalwa okulandelayo kwamandla ombane.Umzobo okhutshiweyo welifu loxinzelelo lwemagnethi uboniswe kulo mzobo ulandelayo. 
Inokubonwa kwimephu yefu ukuba ukuxinana kwamagnetic kwindawo yebhuloho yokuzimela yamagnetic iphezulu kakhulu kune-inflection point ye-BH curve ye-stator kunye ne-rotor core, enokuthi idlale umphumo ongcono wokuhlukanisa magnetic. 
Air gap flux density ijika Khupha uxinaniso lwemagnethi yesikhewu somoya wemoto kunye nendawo yezinyo, zoba igophe, kwaye unokuwabona amaxabiso athile esisantsa somoya wemoto yoxinano lwemagnethi kunye noxinaniso lwemagnethi yamazinyo. Uxinaniso lwamagnetic lwezinyo ngumgama othile ukusuka kwindawo ye-inflection yezinto, ekucingelwa ukuba kubangelwa ukulahlekelwa kwentsimbi ephezulu xa i-motor yenziwe ngesantya esiphezulu.
Ngokusekwe kwimodeli yesakhiwo semoto kunye negridi, chaza imathiriyeli, chaza undoqo westator njengentsimbi yolwakhiwo, kwaye uchaze i-casing njengesixhobo se-aluminium, kwaye uqhube uhlalutyo lwemodyuli kwimotor iyonke.Imowudi iyonke yemoto ifunyenwe njengoko kubonisiwe kulo mfanekiso ungezantsi. 
imilo yemo yomyalelo wokuqala 
imilo yemo yomyalelo wesibini 
imilo yemo yendlela yesithathu
Uhlalutyo lokushukuma kweemoto Impendulo ye-harmonic yemoto ihlalutywa, kwaye iziphumo zokunyuka kwe-vibration kwizantya ezahlukeneyo ziboniswa kumzobo ongezantsi. 
1000Hz ukukhawulezisa kweradial 
1500Hz ukukhawulezisa kweradial
2000Hz ukukhawulezisa kweradial
Ixesha lokuposa: Jun-13-2022