Piv nrog cov tsoos hluav taws xob excitation motors, cov hlau nplaum ruaj khov motors, tshwj xeeb tshaj yog lub ntiaj teb tsis tshua muaj zog hlau nplaum motors, muaj cov qauv yooj yim thiab txhim khu kev qha.Qhov ntim me me thiab lub teeb yuag;Tsawg poob thiab ua haujlwm siab;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, lub teb chaws tiv thaiv, industrial thiab ua liaj ua teb ntau lawm thiab lub neej txhua hnub.Cov yam ntxwv tseem ceeb thiab kev siv ntawm ntau yam khoom siv hlau nplaum txuas mus tas li yog qhia hauv qab no.
1. Muab piv nrog cov tshuab hluav taws xob ib txwm muaj, lub ntiaj teb tsis tshua muaj cov hlau nplaum ruaj khov synchronous generators tsis xav tau cov hlua khi thiab txhuam cov cuab yeej, nrog cov qauv yooj yim thiab txo qis tus nqi.Lub ntiaj teb tsis tshua muaj cov hlau nplaum ruaj khov tuaj yeem ua rau cov huab cua sib nqus sib nqus, ua rau kom lub cev muaj zog ceev kom muaj txiaj ntsig zoo thiab txhim kho lub zog-rau-qhov sib piv.Lub ntiaj teb tsis tshua muaj hlau nplaum generators yog yuav luag txhua yam siv nyob rau hauv niaj hnub aviation thiab aerospace 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 of America.Thawj lub ntiaj teb tsis tshua muaj zog hlau nplaum tsim nyob rau hauv Suav teb yog 3 kW 20 000 r / min ruaj khov hlau nplaum tshuab hluav taws xob.
Cov hlau nplaum tas mus li tseem siv tau los ua cov khoom siv hluav taws xob rau cov turbo-generators loj.Nyob rau xyoo 1980, Tuam Tshoj tau ua tiav lub ntiaj teb loj tshaj plaws hauv ntiaj teb tsis tshua muaj lub ntiaj teb cov hlau nplaum ruaj khov exciter nrog lub peev xwm ntawm 40 kVA ~ 160 kVA, thiab nruab nrog 200 MW ~ 600 MW turbo-generators, uas zoo heev txhim kho kev ntseeg siab ntawm lub hwj chim chaw nres tsheb ua haujlwm.
Tam sim no, cov tshuab hluav taws xob me me uas tau tsav los ntawm cov tshuab hluav taws xob sab hauv, cov 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 lub log cua yog maj mam nrov.
2. High-efficiency mus tas li hlau nplaum synchronous lub cev muaj zog Piv nrog induction lub cev muaj zog, ruaj khov hlau nplaum synchronous lub cev muaj zog tsis xav tau reactive excitation tam sim no, uas tuaj yeem txhim kho lub zog zoo (txog li 1 lossis txawm capacitive), txo cov stator tam sim no thiab stator tsis kam, thiab tsis muaj rotor tooj liab poob thaum lub sijhawm ua haujlwm ruaj khov, yog li txo cov kiv cua (lub peev xwm me me tuaj yeem tshem tawm cov kiv cua) thiab cov cua sib txhuam tsis sib xws.Piv nrog rau induction lub cev muaj zog ntawm tib lub ntsiab lus, qhov ua tau zoo tuaj yeem nce los ntawm 2 ~ 8 feem pua ​​​​cov ntsiab lus.Ntxiv mus, cov hlau nplaum ruaj khov synchronous lub cev muaj zog tuaj yeem ua kom muaj kev ua haujlwm siab thiab lub zog muaj zog hauv qhov ntsuas qhov ntsuas ntawm 25% ~ 120%, uas ua rau lub zog txuag tau zoo tshaj plaws thaum khiav hauv qab lub teeb.Feem ntau, hom lub cev muaj zog no tau nruab nrog qhov pib winding ntawm lub rotor, uas muaj peev xwm pib ncaj qha ntawm qee zaus thiab qhov hluav taws xob.Tam sim no, nws yog tsuas yog siv nyob rau hauv cov roj teb, textile thiab tshuaj fiber ntau industries, ceramic thiab iav industries, kiv cua thiab twj tso kua mis nrog ntev lub sij hawm ua hauj lwm txhua xyoo, thiab lwm yam.
NdFeB mus tas li hlau nplaum synchronous lub cev muaj zog nrog kev ua haujlwm siab thiab siab pib torque ntawm nws tus kheej tsim los ntawm peb lub teb chaws tuaj yeem daws qhov teeb meem ntawm "lub laub nees loj" hauv daim ntawv thov roj av.Qhov pib torque yog 50% ~ 100% loj dua li ntawm induction lub cev muaj zog, uas tuaj yeem hloov lub induction lub cev muaj zog nrog tus lej loj dua, thiab lub zog txuag hluav taws xob yog li 20%.
Hauv kev lag luam textile, lub sijhawm thauj khoom ntawm inertia yog qhov loj, uas yuav tsum tau muaj zog traction torque.Tsim nyog tsim ntawm tsis muaj load to coefficient, salient ncej piv, rotor tsis kam, mus tas li hlau nplaum loj thiab stator winding lem ntawm mus tas li hlau nplaum synchronous lub cev muaj zog tuaj yeem txhim kho qhov kev ua tau zoo ntawm cov hlau nplaum ruaj khov thiab txhawb nws daim ntawv thov hauv kev lag luam textile thiab tshuaj fiber ntau.
Cov kiv cua thiab lub twj tso kua mis siv hauv cov chaw nres tsheb loj loj, mines, roj av, tshuaj lom neeg thiab lwm yam lag luam yog cov neeg siv hluav taws xob loj, tab sis qhov ua tau zoo thiab lub zog ntawm cov motors siv tam sim no tsawg.Siv NdFeB cov hlau nplaum ruaj khov tsis yog tsuas yog txhim kho kev ua haujlwm thiab lub zog, txuag lub zog, tab sis kuj muaj cov qauv tsis txhuam, uas txhim kho kev ntseeg tau ntawm kev ua haujlwm.Tam sim no, 1 120kW ruaj khov hlau nplaum synchronous lub cev muaj zog yog lub ntiaj teb muaj zog tshaj plaws asynchronous pib ua haujlwm siab tsis tshua muaj lub ntiaj teb cov hlau nplaum ruaj khov.Nws cov kev ua tau zoo yog siab dua 96.5% (qhov kev qhia tshwj xeeb lub cev muaj zog yog 95%), thiab nws lub zog yog 0.94, uas tuaj yeem hloov lub cev muaj zog nrog 1 ~ 2 qib zog loj dua nws.
3. AC servo tas mus li hlau nplaum lub cev muaj zog thiab brushless DC mus tas li hlau nplaum lub cev muaj zog tam sim no ntau dua thiab siv ntau zaus siv hluav taws xob sib txawv thiab AC lub cev muaj zog los ua AC ceev tswj qhov system es tsis txhob DC lub cev muaj zog tswj qhov system.Hauv AC lub cev muaj zog, qhov ceev ntawm cov hlau nplaum ruaj khov synchronous lub cev muaj zog ua kom muaj kev sib raug zoo nrog lub zog ntawm lub zog thaum lub sijhawm ua haujlwm ruaj khov, yog li nws tuaj yeem siv ncaj qha rau hauv qhov qhib-voj sib txawv zaus tswj qhov system.Hom lub cev muaj zog no feem ntau yog pib los ntawm kev maj mam nce ntawm qhov zaus ntawm qhov hloov pauv zaus.Nws tsis yog qhov tsim nyog los teeb tsa qhov pib winding ntawm lub rotor, thiab cov txhuam thiab commutator raug tshem tawm, yog li kev saib xyuas yooj yim.
Nws tus kheej-synchronous mus tas li hlau nplaum lub cev muaj zog yog tsim los ntawm cov hlau nplaum ruaj khov synchronous lub cev muaj zog los ntawm zaus hloov pauv thiab kaw-voj tswj qhov system ntawm rotor txoj haujlwm, uas tsis yog tsuas yog muaj kev tswj xyuas kev ua tau zoo ntawm hluav taws xob zoo siab DC lub cev muaj zog, tab sis kuj paub txog brushless.Nws yog tsuas yog siv nyob rau hauv lub sij hawm nrog siab tswj qhov tseeb thiab kev ntseeg tau, xws li aviation, aerospace, CNC tshuab cuab yeej, machining chaw, neeg hlau, hluav taws xob tsheb, computer peripherals, thiab lwm yam.
Tam sim no, NdFeB mus tas li hlau nplaum synchronous lub cev muaj zog thiab lub cev muaj zog nrog ntau qhov ceev thiab Gao Heng lub zog ceev piv tau tsim, nrog rau qhov ceev piv ntawm 1: 22 500 thiab qhov txwv ceev ntawm 9 000 r / min.Cov yam ntxwv ntawm kev ua haujlwm siab, kev vibration me me, tsis tshua muaj suab nrov thiab siab torque ceev ntawm cov hlau nplaum ruaj khov lub cev muaj zog yog cov motors zoo tshaj plaws hauv cov tsheb fais fab, cov cuab yeej siv tshuab thiab lwm yam tsav tsheb.
Nrog rau kev txhim kho txuas ntxiv ntawm tib neeg txoj kev ua neej nyob, cov kev xav tau ntawm cov khoom siv hauv tsev tau nce siab dua.Piv txwv li, lub tshuab cua txias hauv tsev tsis yog tsuas yog cov neeg siv hluav taws xob loj xwb, tab sis kuj yog lub hauv paus ntawm lub suab nrov.Nws txoj kev loj hlob zoo yog siv cov hlau nplaum tas mus li brushless DC lub cev muaj zog nrog kev tswj tsis tau nrawm.Nws tuaj yeem hloov kho kom haum raws li qhov kev hloov pauv ntawm chav tsev kub thiab khiav mus ntev, txo cov suab nrov thiab kev co, ua rau tib neeg xis nyob, thiab txuag 1/3 ntawm hluav taws xob piv nrog cov cua txias uas tsis muaj kev ceev ceev.Lwm lub tub yees, tshuab ntxhua khaub ncaws, plua plav collectors, kiv cua, thiab lwm yam yog maj mam hloov mus rau brushless DC motors.
4. Cov hlau nplaum tas mus li DC lub cev muaj zog DC lub cev muaj zog txais cov hlau nplaum tas li excitation, uas tsis tsuas yog khaws cov yam ntxwv ceev ceev thiab cov yam ntxwv ntawm cov hluav taws xob zoo siab DC lub cev muaj zog, tab sis kuj muaj cov yam ntxwv ntawm cov qauv yooj yim thiab thev naus laus zis, ntim me me, siv tooj liab tsawg, siab. efficiency, thiab lwm yam vim hais tias excitation winding thiab excitation poob raug tshem tawm.Yog li ntawd, cov hlau nplaum ruaj khov DC motors tau dav siv los ntawm cov khoom siv hauv tsev, cov khoom siv hluav taws xob portable, cov cuab yeej hluav taws xob kom ceev ceev thiab txoj hauj lwm kis tau tus mob uas xav tau kev ua haujlwm zoo.Ntawm micro DC motors nyob rau hauv 50W, cov hlau nplaum ruaj khov rau 92%, thaum cov qis dua 10 W account rau ntau dua 99%.
Tam sim no, Tuam Tshoj txoj kev lag luam tsheb loj hlob sai, thiab kev lag luam tsheb yog cov neeg siv khoom loj tshaj plaws ntawm cov hlau nplaum ruaj khov, uas yog cov khoom tseem ceeb ntawm cov tsheb.Nyob rau hauv ib lub tsheb ultra-luxury, muaj ntau tshaj 70 lub cev muaj zog nrog ntau lub hom phiaj, feem ntau yog cov hlau nplaum ruaj khov DC micromotors.Thaum NdFeB cov hlau nplaum ruaj khov thiab cov phiaj xwm hauv ntiaj teb tau siv rau hauv kev pib lub cev muaj zog rau lub tsheb thiab maus taus, qhov zoo ntawm lub cev muaj zog tuaj yeem raug txo los ntawm ib nrab.
Kev faib tawm ntawm Permanent Magnet Motors
Muaj ntau hom hlau nplaum ruaj khov.Raws li kev ua haujlwm ntawm lub cev muaj zog, nws tuaj yeem muab faib ua ob pawg: lub tshuab hluav taws xob ruaj khov thiab cov hlau nplaum ruaj khov.
Cov hlau nplaum ruaj khov tuaj yeem muab faib ua cov hlau nplaum ruaj khov DC motors thiab cov hlau nplaum ruaj khov AC motors.Cov hlau nplaum ruaj khov AC lub cev muaj zog yog hais txog ntau theem synchronous lub cev muaj zog nrog cov hlau nplaum ruaj khov rotor, yog li nws feem ntau hu ua cov hlau nplaum ruaj khov synchronous lub cev muaj zog (PMSM).
Cov hlau nplaum ruaj khov DC lub cev muaj zog tuaj yeem muab faib ua cov hlau nplaum ruaj khov brushless DC motors thiab cov hlau nplaum ruaj khov brushless DC motors (BLDCM) yog tias lawv raug cais raws li seb puas muaj hluav taws xob hloov hluav taws xob lossis cov khoom sib txuas.
Niaj hnub no, txoj kev xav thiab thev naus laus zis ntawm kev siv hluav taws xob niaj hnub siv hluav taws xob tau txhim kho zoo hauv ntiaj teb.Nrog rau kev tshwm sim ntawm cov khoom siv hluav taws xob hluav taws xob, xws li MOSFET, IGBT thiab MCT, cov cuab yeej tswj tau dhau los hloov pauv tseem ceeb.Txij li thaum F. Blaceke muab tso rau hauv lub hauv paus ntsiab lus ntawm vector tswj ntawm AC lub cev muaj zog nyob rau hauv 1971, txoj kev loj hlob ntawm vector tswj technology tau pib ib tug tshiab era ntawm AC servo tsav tswj, thiab ntau yam high-kev ua tau zoo microprocessors tau tsis tu ncua thawb tawm, ntxiv accelerating txoj kev loj hlob. AC servo system hloov DC servo system.Nws yog ib qho kev hloov tsis tau uas AC-I servo system hloov DC servo system.Txawm li cas los xij, cov hlau nplaum ruaj khov synchronous lub cev muaj zog (PMSM) nrog sinusoidal rov qab emf thiab brushless DC lub cev muaj zog (BLIX ~) nrog trapezoidal rov qab emf yuav muaj tseeb dhau los ua lub ntsiab ntawm kev txhim kho kev ua haujlwm siab AC servo system vim lawv cov kev ua tau zoo heev.