Dab tsi yog hluav taws xob Ncej hloov pauv?

Hluav Taws Xob Ncej Hloov Pauv: Lub Luag Haujlwm Tseem Ceeb & Cheebtsam

Niaj hnub no protragagist: hluav taws xob root transformers, lawv yog pivotal ntsiab nyob rau hauv lub loj network ntawm hluav taws xob faib hluav taws xob. Cov cuab yeej ubiquitous feem ntau tuaj yeem pom pom cov nqi hluav taws xob feem ntau tswj cov zej zog thiab nyob ntawm txoj kev. Acutally, lawv yog qhov tseem ceeb heev nyob rau hauv kev ua kom muaj hluav taws xob siab rau cov hluav taws xob uas muaj peev xwm siv hluav taws xob siv tau rau cov tsev muaj hluav taws xob ncaj qha hauv tsev thiab cov lag luam. Hauv FCAT, qhov kev nqis tes ua no yuav ua rau muaj kev nyab xeeb kev nyab xeeb thiab muaj kev puas tsuaj rau cov khoom siv hluav taws xob.

Hauv tsab xov xwm no, peb yuav tshawb txog txoj haujlwm, qhov tseem ceeb, thiab cov khoom siv hluav taws xob hloov kho, ua rau pom kev ua haujlwm zoo li cas thiab kev nyab xeeb ntawm peb cov hluav taws xob.

Feem ntau hais lus, lub tshuab hluav taws xob hloov pauv tseem tuaj yeem raug hu ua cov xa khoom xa tuaj. Nws yog hom hluav taws xob hloov uas siv los nqis hluav taws xob hluav taws xob siab uas yog qhov tsim nyog siv hauv tsev, kev lag luam, thiab kev lag luam.

(YAWEI Transformer muaj cov kws tshaj lij kev tsim qauv hloov pauv hloov pauv thiab tom qab {{{0} kev pab pawg muag khoom.)

Qee cov ntsiab lus tseem ceeb hais txog dab tsi yog xa cov hloov pauv yog raws li hauv qab no:

Muaj nuj nqi: Brifly, cov khoom faib hluav taws xob hloov yog cov khoom siv hluav taws xob siab (feem ntau ntawm 113kv) kom qis dua voltages (xws li 230v lossis 400v) rau kev noj.

Qhov chaw: Cov khoom xa tuaj feem ntau nyob ze rau qhov kawg -}}} mounty (ncoo mounted transformer) lossis cov ncej sib hloov pauv) lossis hloov chaw.

Kev Tsim Kho: Lawv muaj cov kev sib tsoo theem pib thiab cov tub ntxhais ua kom tsawg dua qub.Qhov no tseem ceeb, tooj liab lossis txhuas yog xaiv los ua cov ntaub ntawv winding.

Cua txias: xa khoom xa tuaj yeem ua pa - txias rau cov txheej txheem cua sov uas tsim kom muaj kev cuam tshuam nrog lub transformer qhov kub hloov.

Kev Ua Tau Zoo: Cov kev xa khoom faib hluav taws xob feem ntau yuav tsum tau tsim los daws cov kev mob sib txawv, ua kom muaj zog tsawg kawg nkaus.

Hom: Muaj ntau hom, suav nrog tus ncej sib hloov, ncoo mounted cov hloov pauv thiab cov khoom siv hauv av uas haum rau peb, lub teeb tsa ib puag ncig yog qhov tseem ceeb.

Hluav Taws Xob Ncej Hloov ua si lub luag haujlwm tseem ceeb hauv cov hluav taws xob los ntawm kev tswj kom muaj hluav taws xob uas muaj kev nyab xeeb.

Cov ntsiab cai tseem ceeb uas lub lag luam hluav taws xob hloov hluav taws xob nyob ntawm: Kev ua haujlwm ntawm ob lossis ntau cov windings yog los pauv tib zaus nrog kev pab ntawm electromagnetic induction. Hauv ntej, tus ua haujlwm ua haujlwm yog "hluav taws xob ua hluav taws xob ua hluav taws xob, hlau nplaum tsim hluav taws xob".

Tus ua haujlwm ua haujlwm ntawm cov hloov pauv yog hluav taws xob induction, tab sis nruj me ntsis kev hais lus, nws yog vim kev sib nrig sib hais lus tsis meej. Cov hauv qab no yog kev piav qhia ntawm txoj cai induction thiab kev sib nrig sib tham induction ua:

Lub hauv paus ntsiab lus ntawm indectromagnetic induction: thaum sib nqus flux txuam nrog kev hloov pauv ntawm lub cev (lossis thaum lub zog hluav taws xob hloov pauv tsis tu ncua raug tsim tawm tas li. Nov yog qhov kev piav qhia zoo tshaj plaws ntawm "hluav taws xob hluav taws xob".

Tshwj xeeb, raws li kev sib tw induction lub hauv paus, qhov tam sim no ua rau lub zog hluav taws xob (tsis muaj qhov sib tw ntawm kev hloov pauv ntawm flux sib nqus dhau los ntawm cov kauj. Peb tuaj yeem piav qhia cov lus no ntau intuitively hauv kev ua lej,, where e yog qhov ua rau lub zog hluav taws xob, n yog tus naj npawb ntawm lem ntawm lub kauj, thiabyog tus nqi ntawm kev hloov ntawm cov sib nqus flux.

Cia peb saib ntawm kev sib nrig sib: Hloov cov kauj vab tam sim no hauv cov kauj hauv theem nrab, thiab hloov cov hlau sib nqus hauv cov kauj hauv theem nrab, thiab hloov pauv tam sim no: EMF. Kev sib nrig sib cai yog qhov txiaj ntsig ncaj qha ntawm Faraday Txoj Cai.

Transformers yog qhov piv txwv zoo tshaj plaws ntawm kev sib nrig sib, thiab peb txhais tau tias yog hu ua ib qho kev hloov pauv hluav taws xob (uas peb feem ntau hu "hluav taws xob ua rau muaj hluav taws xob), hlau nplaum tsim hluav taws xob").

Hauv kev nthuav dav, kev tsim tawm Lenz txoj cai lij choj, tam sim no los ntawm kev sib nrig sib cuam tshuam ntawm ob coils (m) Kev sib nrig sib los ntawm ob coils yog tib yam..

Tom qab peb nyeem cov ntsiab cai ua hauj lwm ntawm cov hloov pauv, peb kuj muaj ntau cov lus nug txog kev ua tsis taus, xws li hlau, tis thiab ect. Tam sim no, Kuv yuav qhia cov kev sib txuas ntawm cov hluav taws xob hloov hluav taws xob rau koj.

Tus tub ntxhais: lub plawv ntawm lub transformer

Cov tub ntxhais yog qhov tseem ceeb ntawm ib lub transformer. Nws ua haujlwm raws li txoj kev loj rau kev sib nqus flux. Nws yog tsim los ntawm laminated silicon steel, nyob rau hauv txoj kev no, cov tub ntxhais tau txo lub zog poob kom zoo.

Cov tub ntxhais hais tias yog nyias, coated nrog ib txheej insulating. Kuv yuav tsum hais tias qhov kev teeb tsa no txo ​​qis eddy kev poob tam sim no. Thiab lawv feem ntau siv cov txheej txheem stacking kom ua tiav kev ua tau zoo.

Cov txiaj ntsig tseem ceeb ntawm tus hloov pauv tau muaj xws li:

Qis dua hluav taws xob poob vim muaj kev tsim qauv zoo.

Txo kev co, txhim kho kev ruaj khov.

Txhim kho sib nqus flux faib.

Tus qauv tsim thiab cov khoom siv xaiv ntawm cov tub ntxhais muaj kev cuam tshuam rau kev ua tau zoo ntawm tus hloov pauv. Nws tau siv ua kom ua kom muaj tseeb tsawg tsawg, yooj yim txoj kev sib nqus. Tus qauv tsim nyog tseem pab txhawb cov nqi ua haujlwm qis thiab txhim kho kev ua haujlwm ntev.

Zuag qhia tag nrho, tus transformer core yog qhov tseem ceeb rau kev hloov hluav taws xob hluav taws xob. Los ntawm kev nkag siab lub luag haujlwm thiab tsim qauv ntawm cov tub ntxhais saum toj no, cov kws engineers tuaj yeem txhim kho kev ua haujlwm hloov pauv. Li no, tus tseem ceeb thiab cov qauv yog qhov tseem ceeb rau kev ua tau zoo ntawm kev hloov pauv thiab lub zog hluav taws xob.

Windings: Thawj kauj vab thiab theem theem nrab

Windings yog cov koom ua ke ntawm cov hloov pauv. Lawv yog lub luag haujlwm rau kev hloov hluav taws xob ntawm cov hluav taws xob. Lawv ib txwm ua los ntawm tooj liab lossis txhuas, cov coils pab txhawb cov kauj ruam {2} {{}} {cia ntawm voltage qib.

Lub zog ua ntej tau txais hluav taws xob hluav taws xob los ntawm lub zog hluav taws xob. Nws tsim cov duab sib nqus uas ua rau hluav taws xob voltage hauv cov winder thib ob. Yog li, cov windings ua haujlwm ua ke los tswj cov hluav taws xob hla lub kaw lus.

Windings tuaj nrog ntau tus cwj pwm tseem ceeb:

Kev ua hluav taws xob siab.

Cov rwb thaiv tsev ruaj ruaj kom tiv thaiv hluav taws xob ua txhaum.

Ua tau zoo lub zog rau kev ua haujlwm hnyav.

Vim hais tias ntawm txoj ntsiab cai ntawm kev ua haujlwm hloov pauv, kev npaj ntawm windings yog qhov tseem ceeb tshwj xeeb hauv kev hloov pauv tau zoo. Windings yog tsim los txo qis kev tiv thaiv thiab xau dej reactance. Ntawm kuv tus taw tes saib, cov qauv tsim no ua kom muaj kev cuam tshuam hloov ntawm cov voj voog.

Vim tias tsim cov cua zoo tuaj yeem coj cov nra hnyav yam tsis muaj kev cuam tshuam ntxiv.So lawv yog qhov tseem ceeb rau lub transformer qhov kev ua tau zoo tag nrho thiab kev ntseeg tau. Kuv xav tias to taub cov qauv cua muaj txiaj ntsig zoo rau cov neeg ua haujlwm cov tswv yim ua kom muaj kev daws teeb meem zoo thiab saib xyuas lub neej ntev ua haujlwm rau kev hloov pauv.

Rwb thaiv tsev kab ke: ua kom muaj kev nyab xeeb hluav taws xob

Lub rwb thaiv tsev cov txheej txheem hauv ib transformer yog qhov tseem ceeb rau hluav taws xob kev nyab xeeb. Vim li cas thiaj hais li ntawd? Vim tias nws tiv thaiv luv luv ncig thiab hluav taws xob ua txhaum nyob rau hauv lub transformer. Kom cov rwb thaiv tsev lub luag haujlwm ua haujlwm ua haujlwm tau zoo yog qhov tseem ceeb heev.

Hauv kev lag luam niaj hnub no kev lag luam, cov ntaub ntawv rwb thaiv tsev muaj xws li cov roj thiab cov insulators. Roj ua rau lub hom phiaj dual los ntawm kev muab

Rwb thaiv tsev thiab txias. Cov insulators, xws li ntawv lossis nias, txhawb cov qauv kev ntseeg.

Cov haujlwm tseem ceeb ntawm cov rwb thaiv tsev system:

Tiv thaiv cov hluav taws xob arcs thiab luv voj voog.

Tiv thaiv windings thiab cov tub ntxhais los ntawm cov ntsiab sab nraud.

Tswj hwm Dielrictric Dag Los coj cov hluav taws xob siab.

Kuv xav tias yog tias tsis muaj rwb thaiv tsev rwb thaiv tsev, cov kev hloov pauv yog ib txwm ua tsis tiav. Rwb thaiv tsev yuav tsum tau tiv thaiv kev nthuav dav ntawm kev nthuav dav thiab kev cog lus. Hauv kuv txoj kev pom, kev tshuaj xyuas ib txwm thiab kev saib xyuas cov ntaub ntawv rwb thaiv tsev yog pab peb kom nkag siab txog cov teeb meem no, kom muaj kev nyab xeeb thiab muaj kev ntseeg siab nyob hauv lub zog hluav taws xob.

Transformer roj: txias thiab rwb thaiv tsev

Los ntawm cov kev xav tau, cov roj hloov hluav taws xob kuj tseem ua lub luag haujlwm ntawm ob lub luag haujlwm hauv kev hloov pauv zoo li lwm qhov chaw hauv lub transformer. Nws ua raws li cov insulator uas los tiv thaiv hluav taws xob thiab txhim kho kev nyab xeeb ntawm cov transformer. Ib qho ntxiv, nws ua haujlwm ua ib tug neeg txias kom txias uas cuam tshuam cov cua sov tsim thaum ua haujlwm.

Tam sim no, cov roj tshwj xeeb no feem ntau yog ntxhia - raws li thiab yuav tsum tau haus luam yeeb. Cov impurities tuaj yeem txo nws cov txiaj ntsig thiab ua rau transformer malfunctions, kev sim lwm yam ntawm transformer roj yog qhov tseem ceeb thiab tsis quav ntsej rau kev ua haujlwm zoo.

Cov txiaj ntsig tseem ceeb ntawm cov roj hloov hluav taws xob suav nrog:

Ua tau zoo cua sov disspation thiab kub txoj cai.

Txhim kho dielectrtric lub zog rau kev txhim kho rwb thaiv tsev.

Kev tiv thaiv tiv thaiv oxidation thiab corrosion.

Roj -}}} wack transformers cia ntawm ib tug zoo {}} tswj cov roj txheej. Ua raws li txoj kab kev xav, saib xyuas nws cov mob yuav pab tiv thaiv kev ua txhaum thiab ntev lub neej ntawm lub transformer. Yog li los ntawm kuv tus kheej kev tswj hwm, kev tswj hwm kom raug ntawm transformer roj pab cuam cuam tshuam nrog kev ua tau zoo thiab ntev ntawm lub zog hluav taws xob.

Lub Tank transformer: Cov Qauv thiab Kev Tiv Thaiv

Tsis tas yuav piav ntau dhau lawm tias kev hloov tank transformer serves yog qhov tseem ceeb tiv thaiv nyob hauv vaj tse ntawm vaj tse thiab windings. Nws muab cov qauv kev ua kom ruaj khov rau tag nrho cov rooj sib txoos. Qhov no muaj zog uas sab hauv muaj kev ruaj ntseg thiab tiv thaiv cov khoom sab hauv los ntawm cov ntsiab lus sab nraud.

Feem ntau lub tank yog ua los ntawm cov hlau, lub tank yog tsim los tiv thaiv tshuab kev ntxhov siab thiab ib puag ncig yam. Piv txwv li, nws ua raws li kev thaiv kev tiv thaiv ya raws, plua plav, thiab lwm yam paug uas yuav ua rau lub hloov pauv lub sab hauv.

Cov yam ntxwv tseem ceeb ntawm kev tso tsheb hlau luam hluav taws xob suav nrog yog:

Kev tsim kho ruaj khov rau ntev - sij hawm kev ntseeg tau.

Kaw tsim qauv los tiv thaiv cov roj to.

Nruab nrog fittings rau accessories thiab tshuaj xyuas cov khoom siv.

Txij ntawm kuv pom, lub tank tsis tsuas yog tiv thaiv tab sis kuj tswj hwm cov qauv hloov pauv tau zoo heev rau kev ua haujlwm zoo thiab kev nyab xeeb ntawm kev hloov pauv.

Bushings: Kev sib raug zoo sib txuas rau sab nraudHuab cua

Bushings yog qhov tseem ceeb ntawm cov hloov pauv, vim tias kev sib txuas hluav taws xob ruaj ntseg los ntawm cov windings sab hauv mus rau sab hauv. Lawv xyuas kom meej tias siab - voltage hluav taws xob hla kev nyab xeeb los ntawm kev hloov pauv lub taub. Qhov no tiv thaiv hluav taws xob arcs thiab tej zaum yuav ua txhaum tshwm sim.

Cov khoom siv no tau tsim nrog cov ntaub ntawv insulating rigulating. Lawv tiv thaiv ib qho kev tawm hauv hluav taws xob tsis muaj hluav taws xob rau lub tank lossis ib puag ncig ib puag ncig. Cov neeg ruaj khov thiab txhim khu cov bushings yog qhov tseem ceeb rau kev tswj cov kev txuag hluav taws xob thiab kev nyab xeeb.

Cov yam ntxwv tseem ceeb ntawm bushings muaj xws li:

Dielectric zog siab rau rwb thaiv tsev.

Tsis kam mus rau ib puag ncig kev ua kom ib puag ncig.

Muaj peev xwm txhawb cov neeg kho tshuab thauj.

Saum toj no cov ntawv nyeem, yog li peb tuaj yeem hais tias cov bushings ua si ib tug pivotal lub luag haujlwm hauv kev ua haujlwm ntawm kev hloov pauv. Lawv xyuas kom muaj kev nyab xeeb hloov ntawm lub hwj huam hla kev sib txawv ntawm cov qib voltage.

Kuv xav hais txog tias kev saib xyuas tsis tu ncua yog qhov tseem ceeb kom paub meej tias muaj kev hloov pauv tau ntev thiab ua tau zoo ntawm cov kev hloov pauv yog qhov tsim nyog. Cov Haujlwm Tseem Ceeb xws li:

Kev tshuaj xyuas: kev soj ntsuam ib txwm soj ntsuam kuaj xyuas cov cim ntawm kev puas tsuaj lossis kev hnav yog xav tau. Hauv kuv lub tswv yim, kev tshuaj xyuas pab txheeb xyuas cov teeb meem muaj peev xwm ua ntej lawv ua kom tsis txhob siv tus nqi kho mob thiab qis dua tshwm sim.

Kuaj: Lub ntsiab lus ntawm kev kuaj yog qhov kev kuaj hluav taws xob los ntsuas cov mob ntawm cov hloov pauv thiab txiav txim siab yog tias muaj teeb meem dab tsi. Kev kuaj xyuas kom meej meej uas hloov pauv ua haujlwm ntawm kev ua tau zoo, los ntawm txoj kev no tuaj yeem txo cov zog me me thiab txuas ntxiv hloov pauv 'lifespes'. (Nyem kom paub yuav ua li cas sim ib transformer yam tsis muaj hwj chim)

Kev Ntsuam Xyuas Roj: Cov roj tsom xam yog txhawm rau txhawm rau txheeb xyuas cov roj insulating kom paub cov paug tsis muaj teeb meem yog tias muaj teeb meem. Qhov tseeb, Roj tsom xam tau pom tias pom hauv sab hauv ntawm cov transformer ntawm tus hloov pauv, uas tuaj yeem pab tiv thaiv kev ua tiav thiab tswj kev ua haujlwm.

Kev Tu: Tsis tas yuav ncua ntxiv ntxiv uas khaws cov transformer thiab nws cov khoom ua kom huv tau los tiv thaiv kev kub ntxhov thiab lwm yam teeb meem. Cov khoom siv huv kom ua kom cov cua sov tsis txaus, yog li tiv thaiv kev ntxhov siab thiab ntev ntev transformer txoj kev pabcuam lub neej.

Hu rau tam sim no