Lub cev muaj zog siab
Feem ntau ntseeg tias lub cev muaj zog nrog lub zog hluav taws xob ntawm 3KV ~ 10KV hu ua alub cev muaj zog siab. Cov cav 6300V thiab 10000V feem ntau siv. Lub zog ntawm lub cev muaj zog yog sib npaug rau cov khoom ntawm lub zog thiab tam sim no, yog li lub zog ntawm lub cev muaj zog qis-voltage nce mus rau qee qhov (xws li 300KW / 380V), qhov tam sim no ntsuas yuav loj heev, qhov poob kab yuav raug squared nrog qhov nce tam sim no (I ^ 2 * r), thaj tsam hla ntawm cov hlau yuav tsum loj heev, yog li lub peev xwm tso cai ntawm lub cable yog txwv, thiab tus nqi siab dhau. Lub sijhawm no, nws yog qhov tsim nyog los nce qhov hluav taws xob ua haujlwm ntsuas kom ua tiav cov zis hluav taws xob siab.
Lub cev muaj zog tsawg
Lub cev muaj zog qis yog hais txog AC voltage qis dua 1000V lub cev muaj zog, feem ntau yog hais txog AC 380V lub cev muaj zog, 440V lossis 660V thiab lwm yam theem ntawmcov cav asynchronoussiv tsawg dua. Lub cev muaj zog qis yog muab faib ua AC asynchronous motor thiab DC motor ob hom.
Cov txiaj ntsig thiab qhov tsis zoo ntawm cov motors high-voltage piv rau cov motors low-voltage
(1) Cov txiaj ntsig
(1) tuaj yeem ua rau lub zog loj, txog li ntau txhiab lossis txawm tias kaum txhiab kilowatts. Qhov no yog vim tias, hauv tib lub zog tso zis, lub cev muaj zog siab tam sim no tuaj yeem me dua li lub cev muaj zog qis (feem ntau inversely proportional rau lub zog), piv txwv li, 500kW, 4-ncej lub cev muaj zog ntsuas tam sim no, qhov ntsuas voltage ntawm 380V rau 900A lossis li ntawd, thaum qhov ntsuas voltage ntawm 10kV tsuas yog 30A lossis li ntawd. Yog li lub cev muaj zog siab winding tuaj yeem yog cov hlau txoj kab uas hla me dua. Yog li ntawd, qhov poob tooj liab stator ntawm lub cev muaj zog siab kuj yuav tsawg dua li ntawm lub cev muaj zog qis. Rau cov cev muaj zog loj dua, kev siv hluav taws xob qis-voltage, tab sis vim yog qhov xav tau cov xov hlau tuab dua thiab xav tau thaj chaw loj ntawm stator groove, yog li ntawd lub stator core txoj kab uas hla ua ntau yam haujlwm, tag nrho qhov loj ntawm lub cev muaj zog kuj yuav loj heev.
② Rau cov cav loj dua, cov cav high-voltage siv rau hauv cov khoom siv fais fab thiab cov khoom siv faib hluav taws xob dua li qhov kev nqis peev tag nrho hauv cov cav qis-voltage tsawg dua, thiab kev poob kab me me, tuaj yeem txuag tau qee qhov kev siv hluav taws xob. Tshwj xeeb, 10kV high-voltage motors, koj tuaj yeem siv lub zog fais fab network ncaj qha (Tuam Tshoj cov hluav taws xob high-voltage muab rau cov neeg siv feem ntau yog 10kV), yog li kev nqis peev hauv cov khoom siv fais fab (feem ntau yog transformers) yuav tsawg dua, kev siv yooj yim dua, qhov ua tsis tiav yuav tsawg dua.
(2) Qhov Tsis Zoo
① Tus nqi ntawm qhov winding yog qhov siab heev (feem ntau yog los ntawm kev rwb thaiv tsev), thiab tus nqi ntawm cov ntaub ntawv rwb thaiv tsev cuam tshuam kuj yuav siab dua.
(ii) Cov txheej txheem kho cua sov nyuaj dua, thiab tus nqi ua haujlwm siab dua.
③ Cov kev cai rau kev siv ib puag ncig yog nruj dua li cov uas rau cov cav hluav taws xob qis.
Kev sib piv ntawm qhov sib txawv ntawm lub cev muaj zog qis thiab lub cev muaj zog siab
Qhov sib txawv tseem ceeb hauv kev teeb tsa
Ua ntej, cov ntaub ntawv rwb thaiv tsev ntawm lub kauj ua qhov sib txawv, cov cav uas tsis muaj zog, feem ntau yog cov hlau enameled lossis lwm yam rwb thaiv tsev yooj yim, xws li daim ntawv sib xyaw, feem ntau yog siv cov qauv ntau txheej, xws li daim kab xev mica hmoov, cov qauv no nyuaj dua, thiab muaj kev tiv taus siab dua.
Qhov thib ob, qhov sib txawv ntawm cov qauv txias, cov cav qis-voltage feem ntau siv cov kiv cua coaxial tshuab ncaj qha los dissipate cua sov, cov cav siab-voltage feem ntau nrog lub radiator ywj pheej, feem ntau yog ob hom kiv cua, ib txheej ntawm cov kiv cua ncig sab hauv, ib txheej ntawm cov kiv cua ncig sab nraud, ob txheej ntawm cov kiv cua khiav tib lub sijhawm, kev sib pauv cua sov ntawm lub radiator yuav raug tso tawm sab nraud lub cev muaj zog cua sov.
Qhov thib peb, cov qauv ntawm cov kabmob sib txawv, cov cav qis-voltage feem ntau muaj ib pawg ntawm cov kabmob ua ntej thiab tom qab, thaum cov cav siab-voltage, vim yog lub nra hnyav, feem ntau muaj ob pawg ntawm cov kabmob ntawm qhov kawg axial, thiab tus lej ntawm cov kabmob ntawm qhov kawg tsis-axial yog txiav txim siab raws li qhov xwm txheej thauj khoom, thiab tshwj xeeb tshaj yog cov cav loj yuav siv cov kabmob swb.
Kev sib piv ntawm kev ua haujlwm ntawm lub cev muaj zog thiab tus nqi
1. Qhov siab dua ntawm qhov voltage, qhov loj dua ntawm lub cev muaj zog.
2, qhov siab dua qhov voltage theem, qhov siab dua tus nqi teeb tsa; txawm hais tias qhov voltage nce ntxiv, tam sim no ua me dua, cov xov hlau thiab cable cross-section tuaj yeem xaiv me dua, tab sis qhov xav tau rau high-voltage circuit breakers, transformers, switchgear thiab lwm yam khoom siv tus nqi tseem nce ntxiv hauv kev nqis peev thawj zaug hauv qhov loj, yog li cov lag luam me hauv kev tsim kho tshiab txaus siab siv cov khoom siv qis-voltage.
3, qhov siab dua qhov voltage theem, qhov qis dua tag nrho cov nqi khiav lag luam; me me tam sim no los txo qhov kev poob hluav taws xob, nyob rau hauv lub sijhawm ntev yog qhov tsim nyog, qhov cuam tshuam ntawm kev txuag hluav taws xob zoo kawg nkaus, yog li ntau lub tuam txhab loj hauv kev hloov pauv thev naus laus zis ntawm cov motors qis-voltage hloov mus rau hauv cov motors siab-voltage.
4, qhov siab dua ntawm qib voltage, qhov chaw ntau dua nyob; vim tias muaj cov txee tswj hwm high-voltage thiab lwm tus neeg nyob hauv.
5, qhov siab dua qhov voltage theem, lub cev muaj zog yog qhov yooj yim rau pib, pib torque nce, pib, tswj yog qhov yooj yim.
6, qhov siab dua ntawm qib voltage, qhov kev tswj hwm kev txij nkawm nyuaj dua; yog li cov lag luam me me txaus siab siv cov hluav taws xob qis, cov lag luam loj txaus siab siv cov cav hluav taws xob siab.
Lub sijhawm tshaj tawm: Lub Rau Hli-12-2024