20 Qhov Tseeb Tseem Ceeb Ntawm Transformers - Txhua Yam Koj Yuav Tsum Paub!

 

 

Lub hwj chim transformer, ib tug stalwart nyob rau hauv hluav taws xob engineering, stands raws li ib tug zoo li qub khoom tsim los hloov alternating tam sim no (AC) voltage thiab tam sim no los ntawm ib pawg ntawm qhov tseem ceeb mus rau lwm tus. Nrog ob los yog ntau tshaj windings, nws orchestrates lub seamless kis tau tus mob ntawm hluav taws xob zog los ntawm transforming AC voltage thiab tam sim no los ntawm ib tug system mus rau hauv tus nqi sib thooj rau lwm qhov system los ntawm electromagnetic induction ntawm tib zaus, feem ntau yielding disparate tam sim no thiab voltage qhov tseem ceeb.

 

Transformers tau txais txiaj ntsig ntawm kev hloov AC voltage thiab tam sim no rau kev xa hluav taws xob hluav taws xob, leveraging lub hauv paus ntsiab lus ntawm electromagnetic induction. Categorized raws li kev siv, lawv suav nrog lub zog hloov hluav taws xob rau kev sib kis thiab kev xa tawm, kev sim transformers rau kev ntsuas hluav taws xob (boost), thiab ntsuas ntsuas (PT, CT) rau kev ntsuas hluav taws xob thiab kev tiv thaiv relay. Lub hom phiaj tshwj xeeb transformers pom lawv qhov chaw hauv daim ntawv thov xws li smelting furnaces, vuam teeb, rectifier transformers rau electrolysis, thiab compact regulating transformers.

 

Lub zog hloov hluav taws xob, ntawm nws cov tub ntxhais, ua tiav qhov kev hloov pauv ntawm AC voltage thiab tam sim no los ntawm kev tsim cov sib nqus sib nqus flux thaum AC ntws los ntawm thawj winding. Qhov no flux, induced los ntawm lub magnetic core, generates AC electromotive quab yuam nyob rau hauv lub thib ob winding. Lub induced electromotive quab yuam yog ncaj qha proportional rau tus naj npawb ntawm lem, txiav txim qhov voltage. Qhov tseem ceeb parameter yog nws lub peev xwm ntsuas, qhia pom zoo hauv kVA lossis MVA. Qhov kev ntaus nqi no, ib qho kev sawv cev ntawm lub zog, ua kom lub tshuab hloov pauv ua haujlwm nyob rau hauv qhov ntsuas kub nce siab raws li qhov ntsuas hluav taws xob.

 

Rau qhov zoo ntawm kev siv hluav taws xob, niaj hnub fais fab transformers feem ntau puag amorphous alloy hlau cores, renowned rau lawv zoo kawg li tsis muaj load poob. Cov txheej txheem tsim qauv tsim tshwj xeeb tsis yog tsuas yog tiv thaiv cov amorphous alloy los ntawm cov tub rog sab nraud tab sis kuj muaj kev xaiv meej ntawm cov yam ntxwv tsis zoo. Nyob rau hauv lub symphony ntawm hluav taws xob engineering, lub hwj chim transformers tshwm sim raws li ntsiag to maestros, ua lub ndlwg ntawm lub zog nrog precision thiab efficiency.

 

 

Transformers tau muab faib ua ntau hom, suav nrog kev faib cov khoom siv hluav taws xob, hluav taws xob hloov pauv, hloov pauv hloov pauv, sib xyaw hloov pauv, hloov pauv hloov pauv, roj-immersed transformers, ib-theem transformers, hluav taws xob rauv transformers, rectifier transformers, reactors, cuam tshuam-resistant transformers, xob laim. -Cov transformers, lub thawv-hom substation xeem transformers, theem-hloov transformers, high-tam sim no transformers, thiab excitation transformers.

 

 

 

 

 

Transformer Cheebtsam feem ntau muaj cov tub ntxhais thiab cov coils, nrog rau cov khoom xws li cov roj tank, roj hauv ncoo, lub tes tsho insulating, thiab kais hloov pauv.

 

 

 

 

 

Transformers tsis tsuas yog nce qhov hluav taws xob kom xa hluav taws xob hluav taws xob mus rau thaj chaw ntawm kev noj, tab sis kuj txo qhov hluav taws xob mus rau ntau qib kom tau raws li qhov xav tau ntawm kev siv hluav taws xob. Hauv kev xaus, ob qho tib si voltage boosting thiab txo qis yog cov dej num ua tiav los ntawm transformers.

 

 

 

Thaum lub ntim ntawm cov roj transformer nthuav dav lossis cog lus nrog kev hloov pauv ntawm cov roj kub, cov roj hauv ncoo ua lub luag haujlwm khaws cia thiab ntxiv cov roj, kom ntseeg tau tias cov roj tank tau ntim cov roj. Tsis tas li ntawd, nrog rau kev teeb tsa ntawm cov roj hauv ncoo, qhov chaw sib cuag ntawm lub tshuab hloov pauv thiab cov huab cua raug txo, ua rau cov roj degradation qeeb. Sab ntawm cov roj hauv ncoo kuj tseem muaj lub ntsuas roj ntsuas los saib xyuas cov kev hloov ntawm cov roj qib. Muaj peb hom roj hauv ncoo: corrugated type, capsule type, thiab diaphragm type.

 

 

 

Hauv kev ua haujlwm transformers, qhov sib txawv ntawm qhov kub thiab txias ntawm cov roj hauv nruab nrab thiab qis ua rau cov roj mus rau hauv cov roj purifier. Cov khoom tsis zoo hauv cov roj, xws li ya raws, cov pa roj carbon monoxide, oxides, thiab lwm yam, yog absorbed los ntawm silica gel nyob rau hauv cov roj purifier thaum lub sij hawm cov roj. Cov txheej txheem no ntxuav cov roj, tswj nws cov khoom siv hluav taws xob zoo thiab tshuaj lom neeg thiab pab txhawb rau kev rov tsim cov roj transformer.

 

 

Los ntawm lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm transformer, nws tuaj yeem nkag siab tias tam sim no nkag mus rau hauv thawj winding thiab tawm mus rau theem nrab winding. Raws li cov kev taw qhia ntawm cov input alternating tam sim no hloov tsis tu ncua, nws generates ib magnetic teb uas synchronously txawv nrog rau tam sim no. Qhov loj thiab kev taw qhia ntawm lub magnetic teb hloov tsis tu ncua, yog li inducing ib tug tam sim no nyob rau hauv lub thib ob kauj. Qhov hluav taws xob ntawm txhua qhov tig ntawm lub kauj yog sib npaug, thiab ntau qhov hloov pauv hauv lub kauj thib ob, qhov siab dua qhov tso zis hluav taws xob los ntawm lub kauj thib ob.

 

 

Yog hais tias tus naj npawb ntawm cov lem nyob rau hauv thawj kauj yog ntau dua li nyob rau hauv lub thib ob kauj, qhov voltage ntawm lub thib ob kauj yuav txo, thiab qhov no yog hu ua kauj ruam-down transformer. Piv txwv li, yog hais tias tus naj npawb ntawm cov lem nyob rau hauv thawj kauj yog tsawg tshaj li nyob rau hauv lub thib ob kauj, qhov voltage ntawm lub thib ob kauj yuav nce, thiab qhov no yog hu ua ib kauj ruam-up transformer.

 

 

Ib qho autotransformer tsuas muaj ib txheej ntawm cov kauj, nrog rau cov kauj ruam thib ob uas tau los ntawm thawj kauj. Ntxiv nrog rau electromagnetic induction, hom transformer no tseem cuam tshuam rau kev hloov hluav taws xob hluav taws xob. Autotransformers feem ntau yuav tsum tau tsawg dua silicon steel nplooj ntawv thiab tooj liab hlau piv rau cov pa transformers thiab feem ntau yog siv rau kev tswj voltage.

 

 

 

Qhov kev tswj xyuas qhov ntsuas hluav taws xob yog ib qho ntawm cov ntsuas kev ua haujlwm tseem ceeb ntawm lub ntsuas hluav taws xob. Thaum lub transformer muab lub zog rau lub load, qhov voltage ntawm lub load kawg ntawm lub transformer yuav inevitably txo. Cov kev cai voltage yog xam los ntawm kev sib piv qhov txo qis tus nqi nrog qhov ntsuas voltage thiab qhia nws raws li feem pua. Cov mis yog raws li nram no: Voltage Regulation Rate=[(Secondary Rated Voltage - Load-end Voltage)/Secondary Rated Voltage] × 100%. Rau cov khoom siv hluav taws xob raug hloov pauv, qhov kev tswj hwm qhov hluav taws xob yog 4% mus rau 6% thaum txuas nrog cov ntsuas ntsuas.

 

 

Thaum lub sijhawm ua haujlwm ib txwm muaj, qhov cuam tshuam ntawm kev thauj khoom txhua hnub rau transformers feem ntau tsawg dua 1.

 

Raws li lub hauv paus ntsiab lus ntawm kev laus sib npaug, ntev npaum li lub neej nce ntxiv vim qhov poob ntxiv thaum lub sij hawm overload compensates rau lub neej poob vim txo qis thaum lub sij hawm underload, qhov kev pab cuam lub neej tseem tuaj yeem ua tiav. Qhov ib txwm muaj peev xwm dhau ntawm lub tshuab hloov pauv yog tsim los ntawm lub hauv paus ntsiab lus ntawm kev tsis ua rau lub neej ib txwm muaj.

 

Thaum lub sij hawm tag nrho lub sij hawm luv luv, ntev li ntev raws li lub rwb thaiv tsev laus tus nqi ntawm lub transformer yog tsawg dua los yog sib npaug rau 1 thiab txaus siab rau cov nram qab no tej yam kev mob:

1. Thaum lub sij hawm overload, qhov kub ntawm qhov kub tshaj plaws nyob rau hauv lub winding yuav tsum tsis txhob ntau tshaj 140 degree, thiab qhov kub ntawm lub Upper roj txheej yuav tsum tsis txhob ntau tshaj 95 degree.

2. Qhov siab tshaj plaws overload ntawm lub transformer yuav tsum tsis pub tshaj 50% ntawm qhov ntsuas load.

 

 

Ob qho tib si siab dhau thiab tsis tshua muaj hluav taws xob tuaj yeem cuam tshuam rau kev ua haujlwm ib txwm muaj thiab kev ua neej nyob ntawm transformers, yuav tsum muaj kev tswj hwm hluav taws xob.

 

 

Cov transformers me me xa mus rau ib-theem transformers nrog lub peev xwm ntawm 1 kVA lossis tsawg dua. Lawv feem ntau yog siv los ua hluav taws xob hloov hluav taws xob rau kev tswj cov khoom siv hluav taws xob, hluav taws xob hloov hluav taws xob rau cov khoom siv hluav taws xob, thiab hluav taws xob hloov hluav taws xob rau kev nyab xeeb teeb pom kev zoo.

 

 

1. Hlau poob los ntawm cov tub ntxhais hlau. Thaum lub coil yog energized, alternating magnetic teb induces eddy tam sim no thiab hysteresis poob nyob rau hauv lub hlau core.

2. Kev poob tooj liab tshwm sim los ntawm qhov tsis kam ntawm lub kauj nws tus kheej. Thaum muaj tam sim no ntws los ntawm lub hauv paus thiab theem nrab coils ntawm transformer, hluav taws xob poob tshwm sim.

 

 

1. Qhia meej lub hom phiaj. Seb nws yog rau kev nce los yog nce qib voltage.

2. Qhia meej meej txog theem ntawm cov khoom siv fais fab. Ib theem lossis peb theem.

3. Qhia meej txog kev siv thiab ib puag ncig. Xaiv txoj kev txias rau lub transformer.

4. Raws li kev siv tiag tiag thiab nyiaj txiag, txiav txim siab ntawm cov khoom siv coil (tooj liab / aluminium).

5. Xaiv raws li qhov ntsuas ntsuas ntawm lub tshuab hloov pauv, suav nrog cov ntsuas hluav taws xob, ntsuas tam sim no, thiab ntsuas qhov muaj peev xwm.

 

 

Thaum lub sij hawm ib txwm ua hauj lwm ntawm lub hwj chim transformer, cov tub ntxhais hlau yuav tsum muaj ib tug txhim khu kev qha grounding. Yog tias tsis yog hauv av, qhov hluav taws xob ntab ntawm cov tub ntxhais hlau mus rau hauv av yuav ua rau muaj kev cuam tshuam tsis sib xws, tshem tawm qhov muaj peev xwm ntawm kev tsim lub peev xwm ntawm cov tub ntxhais hlau mus rau hauv av tom qab grounding ib qho taw tes.

 

Txawm li cas los xij, thaum muaj ntau tshaj ob lub ntsiab lus hauv av rau cov tub ntxhais hlau, lub peev xwm tsis sib xws ntawm cov ntsiab lus hauv av yuav ua rau lub voj voog tam sim no, ua rau ntau lub ntsiab lus hauv av cua sov ntawm cov tub ntxhais hlau. Kev ua txhaum hauv av ntawm transformer cov tub ntxhais hlau tuaj yeem ua rau lub zos overheating ntawm cov tub ntxhais hlau. Hauv qhov xwm txheej hnyav, qhov kub thiab txias hauv cheeb tsam ntawm cov tub ntxhais hlau nce ntxiv, ua rau muaj kev ua pa me me lossis txawm tias muaj roj loj, ua rau muaj kev sib tsoo.

 

 

Lub ntsiab lus sib txuas uas yog thawj (lossis kawg) kawg ntawm peb-theem winding txuas ua ke yog hu ua qhov nruab nrab ntawm lub zog hluav taws xob. Thaum lub nruab nrab taw tes ntawm lub hwj chim qhov chaw yog zoo-txuas mus rau lub grounding ntaus ntawv, qhov nruab nrab point yog hu ua lub zero point. Cov xaim ua los ntawm xoom taw tes yog tom qab ntawd hu ua cov xaim nruab nrab.

 

 

Lub ntsuas hluav taws xob tuaj yeem ua ib txhij qhia lub zog ua haujlwm thiab rov ua haujlwm, ua haujlwm suav, tso saib lub zog ua haujlwm, thauj khoom nkhaus, qhov siab tshaj plaws, lub sijhawm thauj khoom tsawg kawg nkaus, thiab lwm yam;

Lub zog ntsuas hluav taws xob tsuas tuaj yeem qhia tau hais tias muaj zog lossis muaj zog reactive.

 

 

Cov tsos ntawm cov kab nrib pleb nyob rau hauv lub sheath yuav txo cov rwb thaiv tsev lub zog, ua rau ntxiv kev puas tsuaj rau lub rwb thaiv tsev kom txog rau thaum tiav tawg. Kev khov dej hauv cov kab nrib pleb kuj tseem tuaj yeem ua rau cov ntaub qhwv nthuav dav thiab tawg.

 

 

Lub hauv paus signaling ntaus ntawv muaj xws li lub tswb ceeb toom thiab pre-alarm signals, ntsia nyob rau hauv lub central signaling vaj huam sib luag nyob rau hauv lub ntsiab tswj chav tsev ntawm lub substation. Thaum lub Circuit Court breaker ntawm ib qho kev faib khoom nyob rau hauv lub substation mus ncig ua si vim yog ib qho txhaum, lub tswb ceeb toom tau qhib. Lub teeb liab ua ntej lub tswb raug qhib thaum muaj kev ua haujlwm txawv txav lossis lub zog tsis ua haujlwm. Ob lub tswb teeb liab thiab lub tswb ceeb toom ua ntej yog nruab nrog lub suab thiab pom cov teeb liab. Lub teeb liab suab nyiam cov neeg ua haujlwm hauv lub luag haujlwm, thaum lub teeb pom kev zoo pab cov neeg ua haujlwm hauv lub luag haujlwm ntsuas qhov xwm txheej thiab qhov chaw ntawm qhov txhaum.

 

 

Internal overvoltage yog tshwm sim los ntawm kev hloov tam sim ntawd hauv lub xeev vim kev ua haujlwm, kev sib tsoo, lossis lwm yam laj thawj, ua rau kev hloov pauv ntawm ib lub xeev ruaj khov mus rau lwm qhov. Thaum lub sij hawm tus txheej txheem no, tej zaum yuav muaj txaus ntshai overvoltage tej yam kev mob rau lub system.

 

 

1. Kev tswj muaj nuj nqi: Thaum tsis muaj qhov tsis muaj load tam sim no lossis lub siab tam sim no hauv Circuit Court, nws tuaj yeem txiav tawm tam sim lossis kaw kom tswj tau tag nrho lub voj voog.

 

2. Kev tiv thaiv muaj nuj nqi: Nyob rau hauv qhov xwm txheej ntawm Circuit Court txhaum, xws li luv luv Circuit Court lossis qhib Circuit Court, nws tuaj yeem siv lub zog hluav taws xob hluav taws xob hluav taws xob tam sim no cuam tshuam. Nrog rau qhov kev tiv thaiv no, nws tuaj yeem tiv thaiv cov teeb meem hauv Circuit Court.

 

Rui DuM&E tshwj xeeb hauv kev tsim khoom thiab muag khoom ntawmtransformer test khoom. Peb cov khoom siv kuaj muaj xws li transformer tan delta testers, transformer ratio testers, transformer cheb zaus teb testers, thiab lwm yam. Peb cov khoom muaj kev ntseeg siab zoo thiab thawj-chav muag khoom ua ntej Kev muag khoom thiab kev pab cuam tom qab muag ua rau koj xis nyob, thiab peb tos ntsoov rau koj qhov kev sab laj.