Kev txhim kho ntawm cov hlau nplaum tas mus li lub cev muaj zog thiab nws daim ntawv thov hauv ntau qhov chaw!

Lub cev muaj zog hlau nplaum ruaj khov siv cov hlau nplaum tas mus li los tsim cov hlau nplaum ntawm lub cev muaj zog, tsis tas yuav tsum tau excitation coils lossis excitation tam sim no, muaj kev ua haujlwm siab thiab cov qauv yooj yim, thiab yog lub zog txuag hluav taws xob zoo. Nrog rau kev tshwm sim ntawm cov khoom siv hlau nplaum uas muaj kev ua haujlwm siab thiab kev txhim kho sai ntawm kev tswj xyuas tshuab.Daim ntawv thov ntawm cov hlau nplaum ruaj khov motors yuav dhau los ua ntau dua.

640 永磁电机的发展及在各个领域的应用!

Txoj kev loj hlob keeb kwm ntawm mus tas li hlau nplaum lub cev muaj zog
Txoj kev loj hlob ntawm cov hlau nplaum ruaj khov motors yog ze rau kev tsim cov khoom siv hlau nplaum ruaj khov.kuv lub teb chaws yog thawj lub teb chaws nyob hauv lub ntiaj teb no nrhiav tau cov khoom sib nqus ntawm cov khoom siv hlau nplaum ruaj khov thiab siv rau kev xyaum. Ntau tshaj li ob txhiab xyoo dhau los, peb lub teb chaws tau siv cov khoom sib nqus ntawm cov khoom siv hlau nplaum ruaj khov los ua ib lub tshuab raj, uas tau ua lub luag haujlwm loj hauv kev tsav tsheb, kev ua tub rog thiab lwm yam. Nws tau dhau los ua ib qho ntawm plaub qhov kev tsim khoom zoo tshaj plaws hauv kuv lub tebchaws thaum ub.
Lub ntiaj teb thawj lub cev muaj zog uas tau tshwm sim nyob rau xyoo 1820 yog lub tshuab hlau nplaum ruaj khov nrog lub zog sib nqus uas tsim los ntawm cov hlau nplaum ruaj khov.Txawm li cas los xij, cov khoom siv hlau nplaum ruaj khov siv nyob rau lub sijhawm ntawd yog ntuj magnetite (Fe3O4), uas muaj lub zog sib nqus tsis tshua muaj zog, thiab lub cev muaj zog ua los ntawm nws yog qhov loj, thiab tsis ntev los no tau hloov los ntawm lub tshuab hluav taws xob excitation.
Nrog rau kev loj hlob sai ntawm ntau lub cev muaj zog thiab kev tsim cov hlau nplaum tam sim no, tib neeg tau ua qhov kev tshawb fawb tob txog cov txheej txheem, muaj pes tsawg leeg thiab kev tsim tshuab ntawm cov khoom siv hlau nplaum ruaj khov, thiab tau tshawb pom cov pa roj carbon steel thiab tungsten steel (qhov siab tshaj plaws hlau nplaum khoom. yog hais txog 2.7 kJ / m3), cobalt hlau (qhov siab tshaj plaws sib nqus zog khoom yog hais txog 7.2 kJ / m3) thiab lwm yam khoom siv hlau nplaum ruaj khov.
Tshwj xeeb, AlNiCo cov hlau nplaum ruaj khov uas tau tshwm sim hauv xyoo 1930s (qhov khoom siv hluav taws xob sib nqus siab tshaj plaws tuaj yeem ncav cuag 85 kJ / m3) thiab cov hlau nplaum ruaj khov ferrite uas tau tshwm sim hauv xyoo 1950 (qhov khoom siv hluav taws xob siab tshaj plaws tam sim no tuaj yeem ncav cuag 40 kJ / m3) muaj. ntau yam khoom sib nqus. Nrog rau kev txhim kho zoo, ntau yam micro thiab me motors tau siv cov hlau nplaum mus tas li excitation.Lub zog ntawm cov hlau nplaum mus tas li yog qhov me me li ob peb milliwatts thiab loj li kaum ntawm kilowatts. Lawv tau siv dav hauv kev ua tub rog, kev lag luam thiab kev ua liaj ua teb thiab kev ua neej nyob txhua hnub, thiab cov zis tau nce zuj zus.Raws li txoj cai, nyob rau lub sijhawm no, kev ua tiav tau ua tiav hauv kev tsim kev xav, kev suav cov txheej txheem, kev tsim cov hlau nplaum thiab kev tsim tshuab ntawm cov hlau nplaum ruaj khov, thiab cov txheej txheem kev tshuaj xyuas thiab kev tshawb fawb uas sawv cev los ntawm daim duab ua haujlwm ntawm cov hlau nplaum ruaj khov tau tsim.

640Txawm li cas los xij, kev coercivity ntawm AlNiCo cov hlau nplaum ruaj khov yog tsawg

Txawm li cas los xij, lub coercivity ntawm AlNiCo mus tas li hlau nplaum yog tsawg (36-160 kA / m), thiab remanence ceev ntawm ferrite mus tas li hlau nplaum tsis siab (0.2-0.44 T), uas txwv lawv daim ntawv thov nyob rau hauv motors.Txog thaum xyoo 1960 thiab 1980s, cov hlau nplaum tsis tshua muaj hauv ntiaj teb cobalt ruaj khov thiab neodymium hlau boron cov hlau nplaum ruaj khov (ob leeg hu ua cov hlau nplaum tsis tshua muaj lub ntiaj teb ruaj khov) tau tawm ib tom qab, nrog rau lawv qhov siab remanence ntom, siab coercivity, high magnetic zog khoom thiab linear demagnetization. nkhaus. Cov khoom sib nqus zoo heev ntawm cov hlau nplaum ruaj khov lub cev muaj zog tshwj xeeb yog tsim rau kev tsim cov tshuab hluav taws xob, kom txoj kev loj hlob ntawm cov hlau nplaum mus tas li tau nkag mus rau lub sijhawm tshiab keeb kwm.
Cov yam ntxwv thiab kev siv ntawm cov hlau nplaum ruaj khov motors
Piv nrog rau cov tsoos hluav taws xob excitation motors, cov hlau nplaum ruaj khov motors, tshwj xeeb tshaj yog cov hlau nplaum tsis tshua muaj hauv ntiaj teb, muaj qhov pom tseeb zoo xws li cov qauv yooj yim thiab kev lag luam txhim khu kev qha; me me thiab lub teeb yuag; tsawg poob thiab high efficiency; cov duab thiab qhov loj ntawm lub cev muaj zog tuaj yeem hloov tau thiab muaj ntau haiv neeg. .Yog li ntawd, daim ntawv thov ntau yam yog dav heev, yuav luag tag nrho cov teb ntawm aerospace, tiv thaiv lub teb chaws, industrial thiab ua liaj ua teb ntau lawm thiab lub neej txhua hnub.Cov yam ntxwv tseem ceeb ntawm ntau lub tshuab hlau nplaum ruaj khov thiab lawv cov ntawv thov tseem ceeb tau piav qhia hauv qab no.
Piv nrog rau lub tshuab hluav taws xob ib txwm muaj, cov hlau nplaum ruaj khov synchronous generator ntawm lub ntiaj teb tsis tshua muaj hlau nplaum lub tshuab hluav taws xob tsis xav tau lub nplhaib sib sau thiab cov khoom siv txhuam hniav, thiab muaj cov qauv yooj yim thiab txo qhov ua tsis tiav.Kev siv cov hlau nplaum tsis tshua muaj hauv ntiaj teb tuaj yeem ua rau muaj qhov sib txawv ntawm huab cua sib nqus sib nqus, ua kom lub cev muaj zog rau qhov zoo tshaj plaws tus nqi, thiab txhim kho lub zog-rau-mas piv.Yuav luag txhua lub tshuab hluav taws xob siv nyob rau hauv niaj hnub aviation thiab aerospace siv lub ntiaj teb tsis tshua muaj hlau nplaum generators.Nws cov khoom raug yog 150 kVA 14-ncej 12 000 r / min ~ 21 000 r / min thiab 100 kVA 60 000 r / min tsis tshua muaj ntiaj teb cobalt ruaj khov hlau nplaum synchronous generators tsim los ntawm General Electric Company ntawm Tebchaws Meskas.Thawj lub ntiaj teb tsis tshua muaj hlau nplaum lub cev muaj zog tsim nyob rau hauv Suav teb yog 3 kW 20 000 r / min ruaj khov hlau nplaum generator.

640 Lub tshuab hluav taws xob ruaj khov tseem siv tau los ua tus pab cuam exciter ntawm lub tshuab hluav taws xob loj loj.

Lub tshuab hluav taws xob tas mus li hlau nplaum kuj tseem siv los ua tus pab cuam exciter ntawm lub tshuab hluav taws xob loj loj. Nyob rau xyoo 1980, kuv lub teb chaws tau ua tiav qhov 40 kVA ~ 160 kVA lub ntiaj teb tsis tshua muaj hlau nplaum ruaj khov exciter nrog lub peev xwm loj tshaj plaws hauv ntiaj teb thaum lub sijhawm ntawd. Zoo heev txhim kho kev ntseeg tau ntawm lub chaw nres tsheb fais fab kev ua haujlwm.
Tam sim no, cov tshuab hluav taws xob me me uas tau tsav los ntawm cov tshuab hluav taws xob sab hauv rau cov khoom siv hluav taws xob ywj pheej, cov khoom siv hlau nplaum ruaj khov rau cov tsheb, thiab cov hlau nplaum me me mus tas li cua tshuab hluav taws xob ncaj qha los ntawm cua turbines tau maj mam nce.
Lub luag haujlwm tseem ceeb ntawm cov hlau nplaum ruaj khov motors hauv ntau daim ntawv thov
1 Lub zog txuag lub ntiaj teb tsis tshua muaj hlau nplaum lub cev muaj zog yog siv rau kev noj, xws li tsis tshua muaj lub ntiaj teb ruaj khov hlau nplaum synchronous motors rau textile thiab tshuaj fiber ntau industries, roj av, mining, tsis tshua muaj lub ntiaj teb ruaj khov hlau nplaum synchronous motors hauv thee mine tsheb thauj mus los machinery, tsawg ntiaj teb cov hlau nplaum ruaj khov. synchronous motors tsav ntau lub twj tso kua mis thiab kiv cua.
2 Ntau yam tsis tshua muaj lub ntiaj teb cov hlau nplaum ruaj khov motors yog siv los ntawm ntau hom tsheb (tsheb, maus taus, tsheb ciav hlau), thiab lub ntiaj teb tsis tshua muaj zog hlau nplaum yog lub khw loj tshaj plaws.Raws li kev txheeb cais, kwv yees li 70% ntawm lub ntiaj teb tsis tshua muaj hlau nplaum lub cev muaj zog yog siv hauv tsheb.Rau cov khoom kim heev tsheb, muaj ntau tshaj 70 teeb lub cev muaj zog rau ntau yam kev siv.Txij li cov kev cai ntawm ntau lub tsheb motors txawv, xaiv cov khoom siv hlau nplaum ruaj khov yog txawv.Cov hlau nplaum lub cev muaj zog yog siv rau hauv cov cua txias, kiv cua, thiab lub qhov rais hluav taws xob. Los ntawm kev xav ntawm tus nqi, qhov zoo ntawm ferrite yuav txuas ntxiv mus rau yav tom ntej.Ignition coils, drives, thiab sensors tseem siv Sm-Co sintered hlau nplaum.Tsis tas li ntawd, qhov chaw pib, tab sis kuj tseem muaj tsheb fais fab tsis tuaj yeem tsis quav ntsej, raws li ib puag ncig tus phooj ywg (EV) thiab hybrid electric tsheb (HEV).
3 Tsis tshua muaj lub ntiaj teb ruaj khov hlau nplaum lub cev muaj zog AC servo system Ib txheej ntawm electromechanical integration machinery nrog hluav taws xob, kev ua haujlwm siab thiab kev tswj ceev.Lub kaw lus yog tus kheej tswj tau ruaj khov hlau nplaum synchronous lub cev muaj zog.Lub kaw lus yog siv rau hauv kev tsim cov cuab yeej siv tshuab CNC, hloov tau yooj yim siv tshuab; thiab tseem nyob rau hauv cov tsheb fais fab, es tsis yog cov tsheb siv hluav taws xob siv hluav taws xob, rau txoj kev ywj pheej ntawm lub tsheb emissions.Tsis tshua muaj lub ntiaj teb ruaj khov hlau nplaum lub cev muaj zog yog qhov kev cog lus siab ua lag luam.
4 Lub teb tshiab no tsuas yog rau kev txhawb nqa ntawm lub ntiaj teb uas tsis tshua muaj hluav taws xob tsawg lub ntiaj teb ruaj khov hlau nplaum synchronous lub cev muaj zog sib txawv zaus ceev tswj qhov system rau cov cua txias tshiab thiab cov tub yees, cov khoom siv hluav taws xob wireless rau ntau lub ntiaj teb tsis tshua muaj hlau nplaum DC micro motors, tsis tshua muaj lub ntiaj teb ruaj khov hlau nplaum brushless DC motors yog cov cuab yeej muaj zog sib txawv.Xws li lub cev muaj zog kuj tseem xav tau ntau.
5 Tsis tshua muaj lub ntiaj teb cov khoom siv hlau nplaum ruaj khov nrog qhov zoo hauv kev siv aerospace ua rau lawv zoo heev rau kev siv aero-engine.Txawm hais tias muaj qee qhov kev siv ntawm lub ntiaj teb tsis tshua muaj zog hlau nplaum nyob rau hauv cov huab cua (xws li lub tshuab hluav taws xob hluav taws xob thiab kev tiv thaiv luv luv, thiab lwm yam), cov kws tshaj lij hauv tsev thiab txawv teb chaws pom zoo tias lub ntiaj teb tsis tshua muaj hlau nplaum motors yog ib qho tseem ceeb ntawm kev txhim kho rau ib tiam neeg tshiab. ntawm aero-engines.

qhov teeb meem nqi

 

Ferrite cov hlau nplaum ruaj khov motors, tshwj xeeb tshaj yog cov hlau nplaum ruaj khov DC motors, tau siv dav vim lawv cov qauv yooj yim thiab cov txheej txheem, txo qhov loj, thiab feem ntau qis dua tus nqi hluav taws xob excitation motors.Txij li thaum lub ntiaj teb tsis tshua muaj cov hlau nplaum ruaj khov tseem kim heev tam sim no, tus nqi ntawm lub ntiaj teb tsis tshua muaj cov hlau nplaum ruaj khov motors feem ntau siab dua li cov hluav taws xob excitation motors, uas yuav tsum tau them nyiaj los ntawm nws cov kev ua haujlwm siab thiab kev ua haujlwm txuag nyiaj.

 

Qee lub sij hawm, xws li lub suab coil motors ntawm lub computer disk drives, qhov kev ua tau zoo ntawm NdFeB cov hlau nplaum ruaj khov yog txhim kho, qhov ntim thiab qhov hnyav tau txo qis, thiab tag nrho cov nqi raug txo.Hauv kev tsim qauv, nws yog ib qho tsim nyog los sib piv qhov kev ua tau zoo thiab tus nqi raws li cov sijhawm siv tshwj xeeb thiab cov kev xav tau los txiav txim siab qhov kev xaiv, tab sis kuj tseem yuav tsim kho cov txheej txheem tsim thiab tsim kom zoo kom txo tau tus nqi.


Post lub sij hawm: Jun-20-2022