Ib leeg-theem AC lub cev muaj zog yog ib hom khoom siv hluav taws xob ntau hauv kev lag luam. Feem coob ntawm cov tshuab siv hluav taws xob los ntawm lub zog tseem ceeb rau tsev neeg lossis kev lag luam teeb pom kev yog ib theem xwb. Ib tus yuam sij yog xaiv qhov loj ntawm lub cav kom raug raws li daim ntawv thov. Feem ntau daim ntawv thov tswj lub cev xav tau kev tswj nrawm ntawm ib-theem induction motors vim tias nws tsis tsuas yog muab kev hloov pauv ceev, tab sis tseem txo qis kev siv zog thiab hnov suab nrov. Kab lus no feem ntau yuav qhia txog kev paub txog ntawm ib leeg-theem lub cev muaj zog tswj.
Ib leeg-theem cov tshuab hluav taws xob tau siv dav hauv tsev, chaw ua haujlwm, chaw ua haujlwm hauv tsev, thiab lwm yam, vim tias lub zog xa mus rau ntau lub tsev thiab chaw ua haujlwm yog ib leeg-theem. Tsis tas li ntawd, ib leeg-theem lub cav muaj kev ntseeg tau, tus nqi qis, yooj yim hauv tus qauv thiab yooj yim los tswj.
Feem ntau ib leeg-theem induction lub cev muaj zog tsis muaj kev qhia, uas txhais tau tias lawv tau tsim los tig rau hauv ib qho kev taw qhia. Los ntawm kev ntxiv cov hlua txuas ntxiv, kev xa tawm sab nraud thiab hloov pauv, lossis los ntawm kev ntxiv cov txheej txheem iav, cov lus qhia ntawm kev sib hloov tuaj yeem hloov pauv. Kev siv lub tshuab tswj hwm microcontroller tuaj yeem ntxiv kev hloov pauv nrawm rau hauv lub kaw lus. Ntxiv rau qhov hloov pauv qhov kev xaiv, kev taw qhia ntawm kev sib hloov kuj tseem tuaj yeem hloov pauv, nyob ntawm seb lub cav tswj kev siv lub tshuab ua haujlwm li cas.
Txoj haujlwm ua haujlwm ntawm ib-theem lub cev muaj zog tswj
Lub hauv paus ntsiab lus ua haujlwm ntawm ib leeg-theem lub cev muaj zog tswj kev tswj hwm yog ua raws kev hloov pauv ua ntu zus ntawm qee lub zog hloov pauv, uas yog, thyristor. Txoj hauv kev uas thyristor tau hloov pauv tso cai rau lub load txuas nrog AC lub zog xa khoom thaum ib feem ntawm txhua ib nrab ntawm lub voj voog ntawm cov hluav taws xob nkag. Yog li ntawd, qhov hluav taws xob tso tawm ua raws cov tswv yim AC voltage ib feem ntawm lub thauj khoom txuas nrog lub zog siv. Ua li no, tso zis qhov hluav taws xob raug tswj.
Ib-theem lub cev muaj zog tswj
Thaum tus stator ntawm ib leeg-theem lub cev muaj zog tswj tau siv los ntawm ib theem-theem fais fab mov, nws tsim kev hloov pauv sib nqus flux hauv cov stator windings. Raws li Faraday' txoj cai ntawm kev siv hluav taws xob sib nqus, qhov hloov pauv tam sim no ntws los ntawm cov stator windings yuav ua rau tam sim no hauv rotor bar (ntawm cov nas-tawb rotor). Qhov no induced tam sim no hauv lub rotor kuj tsim ua kom sib nqus sib nqus.
Txawm tias tom qab teeb tsa ob qhov sib nqus sib nqus ntawm cov tswj, lub cav tseem tsis tuaj yeem pib. Txawm li cas los xij, yog tias lub rotor tau pib ua ntej los ntawm lub zog sab nraud nyob rau hauv ib qho kev taw qhia, lub cev muaj zog yuav nrawm rau nws qhov nrawm thiab tswj hwm nws qhov ntsuas nrawm. Qhov kev coj tus cwj pwm ntawm ib-theem cov tshuab hluav taws xob tuaj yeem piav qhia los ntawm kev tshawb fawb ob-teb kev sib hloov.
Hom ntawm ib-theem induction motors
Ib-theem induction motors tau siv dav hauv cov ntawv thov uas tsuas muaj ib theem muaj zog. Cov cuab yeej no tau tsim tawm hauv thaj tsam ntawm ob peb kilowatts kom tau raws li qhov xav tau ntawm ntau daim ntawv thov, xws li cov kiv cua qab nthab, cov khoom sib tov, cov tub yees, lub tshuab nqus tsev, lub tshuab hluav taws xob nqa tau yooj yim, tshuab ziab plaub hau, thiab lwm yam. yuav tham luv luv hauv qab no. Raws li hom pib, hom yooj yim ntawm ib theem-theem asynchronous motors yog: cais-theem motors, capacitor pib motors, ruaj khov hlau nplaum capacitor khiav motors thiab lwm yam.
Kev sib cais-theem induction lub cev muaj zog yog ib qho ntawm cov dav siv ib leeg-theem induction motors. Lub hauv paus tseem ceeb ntawm kev sib cais-theem lub cev muaj xws li lub ntsiab winding, pab cuam winding thiab hloov centrifugal. Nws yog ib qho kev npaj yooj yim uas tsim kom muaj kev sib nqus sib nqus los ntawm kev muab ob txoj hlua ntawm tib tus stator core. Lub koom haum pabcuam winding lossis pib winding muaj qhov ua haujlwm tsis txaus, yog li nws qhov kev tiv thaiv tsis tseem ceeb ua rau muaj kev tiv thaiv siab. Nws txoj kev winding yog qhov sib txawv ntawm cov cua loj, tab sis piv nrog cov cua tseem ceeb, nws muaj tsawg dua tig thiab qhov dav me dua.
Capacitor-pib induction motors zoo ib yam rau kev sib cais-theem motors, tab sis lub capacitor txuas nrog ua ke nrog cov pab cuam winding. Qhov no yog qhov hloov kho tshiab ntawm kev sib cais-theem lub cev muaj zog. Txij li thaum lub tshuab hluav taws xob nqus cov khoom siv tam sim no, kev siv lub tshuab hluav taws xob nce qib lub kaum sab xis ntawm ob qhov tam sim no (qhov tseem ceeb tam sim no thiab pabcuam tam sim no), yog li ua rau lub zog pib pib. Qhov no yog qhov laj thawj tseem ceeb rau kev siv lub tshuab hluav taws xob hauv ib-theem induction motors.
Ib-theem lub cev muaj zog tswj
Cov hlau nplaum txuas mus tas li lub tshuab hluav taws xob tseem hu ua lub tshuab hluav taws xob khiav lub cav, uas lub tshuab hluav taws xob qis tau txuas nrog hauv kab nrog pib cua thiab tsis raug tshem tawm ntawm Circuit Court txawm tias nyob hauv lub xeev khiav. Vim qhov kev npaj no, tsis xav tau hloov centrifugal. Lub capacitor tuaj yeem ua haujlwm tsis tu ncua. Tus nqi qis tus tsim hluav taws xob tsim ntau theem hloov pauv, tab sis tag nrho pib tam sim no tsawg dua. Yog li ntawd, pib lub zog tsim los ntawm cov tshuab no yuav qis dua li qhov pib lub zog ntawm lub tshuab hluav taws xob pib.
Kab lus feem ntau qhia txog txoj cai ua haujlwm ntawm ib leeg-theem lub cev muaj zog tswj. Los ntawm kev tshawb xyuas cov ntawv sau tag nrho, koj tuaj yeem nkag siab tias txoj cai ua haujlwm ntawm txhua tus tswj hluav taws xob yog ua raws qhov kev hloov pauv ua haujlwm ntawm qee qhov hloov hluav taws xob, uas yog, thyristor. Txoj hauv kev uas thyristor tau hloov pauv tso cai rau lub load txuas nrog AC lub zog xa khoom thaum ib feem ntawm txhua ib nrab ntawm lub voj voog ntawm cov hluav taws xob nkag.
