Lub zog Transformers ua haujlwm li cas?
Fais fab transformers hloov hluav taws xob hluav taws xob los ntawm kev hloov magnetic teb. Ib qho kev hloov hluav taws xob siv rau ib qho winding tsim alternating magnetic flux, uas induces voltage nyob rau hauv lwm winding txuas los ntawm qhov flux. Thaum lub load txuas nrog, tam sim no ntws nyob rau hauv cov zis hluav taws xob thiab lub transformer rub lub hwj huam sib txuas, ua ke nrog nws cov kev poob.
Lub winding tig kev sib raug zoo txiav txim siab qhov pib voltage piv. Nws tsis tsim kom muaj zog ntxiv. Qhov kev piav qhia no siv cov pa AC, ob-winding transformer raws li nws pib taw tes; Cov qauv siv tswv yim ntxiv kev rwb thaiv tsev, cua txias thiab lwm yam nta kom cov txheej txheem ntawd nyob rau hauv cov khoom siv hluav taws xob thiab thermal txwv.
Yuav Ua Li Cas Hloov Voltage Tsim Magnetic Flux
Lub winding txuas nrog lub hauv paus yog hu ua thawj winding. Thaum AC voltage yog thov, cov sib nqus flux hloov tsis tu ncua. Nyob rau hauv ib tug pa transformer, lub magnetic core muab ib txoj kev uas txuas cov windings thiab txhawb lawv electromagnetic coupling.
Qhov sib lawv liag yog yooj yim to taub raws li ib tug txheej txheem: AC voltage yog siv rau lub hauv paus, alternating flux txuas cov windings, thiab voltage yog induced nyob rau hauv lub thib ob. Cov no yog txuas nrog cov teebmeem electromagnetic, tsis cais cov neeg kho tshuab. Tsis muaj rotating generator nyob rau hauv ib tug pa hluav taws xob transformer.
Lub luag haujlwm tseem ceeb yog hlau nplaum. Nws tsis yog ib lub xaim nqa cov thawj tam sim no rau hauv lub voj voog thib ob. Nyob rau hauv ib tug zoo tib yam transformer nrog nyias windings, lub zog yog pauv los ntawm sib nqus coupling thaum lub rwb thaiv tsev system muab cov tsim kev sib cais ntawm circuits.
Yuav ua li cas Voltage Induced nyob rau hauv lwm yam Winding
Lub winding txuas los ntawm kev hloov magnetic flux tsim ib qho induced voltage. Qhov thib ob winding yog li ntawd muaj qhov voltage ntawm nws cov terminals txawm tias ua ntej ib qho kev thauj khoom sab nraud rub tawm tam sim no los ntawm nws. Kev sib txuas ntawm cov khoom tsim nyog ua tiav cov khoom siv hluav taws xob thiab tso cai rau lub tshuab hluav taws xob los muab lub zog rau cov khoom ntawd.
Qhov kev sib txawv no cais qhov hluav taws xob los ntawm lub zog xa tawm. Ib qho energized theem nrab uas tsis muaj kev sib txuas load tuaj yeem muaj qhov hluav taws xob tam sim no yam tsis tau xa cov khoom muaj txiaj ntsig zoo. Nws yuav tsum tsis txhob raug kho kom nyab xeeb tsuas yog vim tsis muaj cov cuab yeej siv lossis hluav taws xob txuas hluav taws xob.
"Primary" thiab "secondary" txheeb xyuas cov tswv yim thiab tso tawm lub luag haujlwm hauv kev piav qhia. Lawv tsis cia li txhais tau tias high voltage thiab tsawg voltage. Nyob rau hauv ib tug step-up daim ntawv thov, lub input winding ua hauj lwm nyob rau hauv lub qis voltage; nyob rau hauv ib tug step-down daim ntawv thov, nws ua hauj lwm ntawm lub siab dua voltage.
Yuav Ua Li Cas Hloov Qhov Ntsuas Hloov Voltage
Nyob rau hauv zoo tagnrho ob-winding qauv, lub winding voltage ratio ua raws li cov lem piv:
V2 / V1 = N2 / N1
V1 thiab V2 yog cov thawj thiab theem nrab winding voltages; N1 thiab N2 yog cov lej sib thooj ntawm cov lem. Ntau qhov kev hloov pauv thib ob muab qhov siab dua theem nrab voltage. Tsawg dua theem ob muab qhov hluav taws xob qis dua.
Rau ib qho piv txwv zoo tshaj plaws transformer, 2: 1 thawj-rau-secondary lem piv yuav txo 200 V thoob plaws thawj winding rau 100 V thoob plaws theem nrab. Qhov no yog ib qho piv txwv qhia, tsis yog JSGK cov khoom ntaus nqi lossis kev pom zoo tsim.
Step-Up thiab Step-down Ua Haujlwm
| Kev sib raug zoo | Voltage tshwm sim | Lub ntsiab lus |
|---|---|---|
| Ntau qhov kev hloov pauv thib ob ntau dua li thawj zaug | Siab dua theem nrab winding voltage | Kev ua haujlwm nce qib |
| Tsawg dua qhov thib ob ntau dua li thawj zaug | Lower Secondary winding voltage | Kauj ruam-down kev ua haujlwm |
| Sib npaug | Sib npaug zoo tagnrho winding voltages | Tsis muaj nominal voltage hloov nyob rau hauv no simplified qauv |
Tiag tiag lub davhlau ya nyob twg voltages cuam tshuam los ntawm impedance, loading thiab kev khiav hauj lwm tej yam kev mob. Rau peb-theem transformer, kev sib raug zoo ntawm winding voltages thiab kab voltages kuj nyob ntawm winding kev sib txuas. Tsis txhob siv cov mis ib-theem winding ncaj qha rau kab-rau-kab kev ntsuas yam tsis tau kuaj xyuas qhov kev sib txuas.
Dab tsi hloov thaum lub Load txuas?
Thaum qhov thib ob muab cov khoom thauj, theem nrab tam sim no tsim cov nyhuv sib nqus uas tawm tsam los ntawm ib qho ntxiv ntawm cov thawj tam sim no. Lub transformer kos ntau cov tswv yim tam sim no raws li xav tau los muab cov khoom thauj, raws li nws cov kev ntsuas thiab kev ua haujlwm.
Lub load txiav txim siab npaum li cas tam sim no thov; lub transformer lub npe daim ntawv ntsuam xyuas yog ib qho kev txwv nyob rau hauv tej yam kev mob, tsis yog ib tug tam sim no uas nws rog nyob rau hauv txhua txhua txuas nrog circuits. Ib lub teeb loaded transformer tsis tas li xa nws cov ntawv tso zis tag nrho.
| Qhov xwm txheej | Secondary sab | Thawj sab |
|---|---|---|
| Energized nrog tsis muaj sab nraud load | Voltage yuav muaj tam sim no, tsis muaj lwm yam load tam sim no | Excitation tam sim no thiab tiag tsis muaj-load poob tseem nyob |
| Muab khoom thauj | Load tam sim no ntws raws li qhov txuas txuas | Cov tswv yim tam sim no suav nrog qhov xav tau xav tau los muab cov khoom thauj |
Yog vim li cas Higher Voltage Tsis Tsim Ntxiv Fais Fab
Nyob rau hauv lub zoo tagnrho transformer, input thiab output zog tshuav nyiaj li cas. Kev nce voltage sib raug mus rau qhov qis dua tam sim no rau tib lub zog hloov pauv thiab cov khoom siv hluav taws xob sib piv. Fais fab tso zis tiag tiag yog tsawg dua lub zog input vim tias cov transformers tiag tiag muaj qhov poob.
Transformer muaj peev xwm feem ntau qhia hauv kVA lossis MVA, uas piav qhia meej lub zog. Cov txiaj ntsig no yuav tsum tsis txhob raug kho zoo ib yam li kW lossis MW yam tsis xav txog lub zog. Ib qho voltage piv ib leeg yog tsis txaus los xam ib qhov project qhov yuav tsum tau transformer muaj peev xwm.
Yog vim li cas tiag Transformers muaj poob thiab kub txwv
Tam sim no ntws los ntawm winding tsis kam ua kom sov. Hloov cov hlau nplaum sib nqus kuj ua rau cov tub ntxhais poob, suav nrog hysteresis thiab eddy-tam sim no cuam tshuam. Lwm qhov kev poob yog nyob ntawm tus qauv tsim thiab kev ua haujlwm.
Qee qhov poob tseem nyob thaum lub tshuab hluav taws xob muaj zog nrog me me lossis tsis muaj load; lwm tus nce nrog kev thauj khoom. Qhov no yog vim li cas lub tswv yim transformer tsis tuaj yeem sawv cev tsuas yog los ntawm qhov zoo tagnrho qhov sib npaug ntawm qhov sib npaug.
Txias tshem tawm cov cua sov kom cov khoom siv tuaj yeem ua haujlwm nyob rau hauv nws cov kev txwv kub. Nws tsis tshem tawm hluav taws xob poob lossis ua kom tsis muaj kev thauj khoom. Lub luag haujlwm tso cai yog nyob ntawm qhov tseeb transformer, nws qhov kev ua kom txias thiab nws ib puag ncig. Tsis muaj ib qho kev ua tau zoo lossis qhov ntsuas kub nce ntxiv siv rau txhua lub zog hloov hluav taws xob.
Puas Hom Qhuav thiab Roj-Immersed Transformers ua haujlwm txawv?
Ob tsev neeg siv electromagnetic induction. Lawv qhov sib txawv tseem ceeb cuam tshuam txog li cas lub rooj sib txoos ua haujlwm yog insulated, txias thiab ntsia, tsis yog ib txoj hauv kev sib txawv ntawm kev hloov hluav taws xob.
Lub tshuab ziab khaub ncaws qhuav siv nws cov khoom siv-cov rwb thaiv tsev thiab cov cua-txog kev ua kom txias. Ib qho roj-immersed tsim siv insulating kua ua ke nrog cov khoom rwb thaiv tsev, nrog rau cov qauv tsim tshwj xeeb ntawm kev xa cov cua sov. Cov ntaub ntawv tshwj xeeb, cov ntaub thaiv npog thiab cov khoom siv cua txias yuav tsum tau kuaj xyuas hauv cov ntaub ntawv kev pom zoo.
Cov JSGK transformer txheej txheem cej luam hais txog cov tsev neeg qhuav thiab roj-immersed raws li cov cuab yeej txhawb nqa rau kev ua haujlwm hluav taws xob sib xyaw. Cov ntawv pov thawj no pab tsim kev sib tham xaiv; lawv tsis yog cov ntaub ntawv pov thawj ntawm standalone JSGK transformer manufacturing qauv.
Qhov no txhais tau li cas rau Substation Project
Kev nkag siab txog cov txheej txheem yuav pab piav qhia tias vim li cas qhov project specifications nug txog qhov voltage, zaus, muaj peev xwm, kev sib txuas thiab kev ua kom txias. Txhua qhov piav qhia txog qhov sib txawv ntawm lub luag haujlwm yuav tsum tau ua.
- Input thiab output voltages: txhais cov hluav taws xob interface ntawm txhua sab.
- Ntau zaus: yuav tsum ua raws li cov cuab yeej siv tau npaj ua haujlwm.
- Muaj peev xwm: tsim kom muaj lub luag haujlwm thauj khoom raws li kev cai tshwj xeeb.
- Kev sib txuas: cuam tshuam rau qhov system interface, suav nrog kev sib raug zoo ntawm peb theem.
- Cua txias thiab ib puag ncig: cuam tshuam rau kev tso cai thermal ua haujlwm.
JSGK's box-type substation configuration muab cov kev xav tau ntawm cov khoom siv hluav taws xob nrog rau cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob tsawg, lub kaw lus thiab cov cuab yeej pabcuam. Lub transformer hloov lub zog ntawm cov qib voltage; cov khoom siv nyob ib puag ncig muab nws tus kheej hloov pauv, kev tiv thaiv thiab kev faib ua haujlwm.
Cov lus nug nquag
Puas Muaj Cov Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Ua Haujlwm ntawm Steady DC?
Nws tsis tuaj yeem muab nrog DC ruaj khov ib yam li nws cov khoom siv AC ntsuas. Steady DC tsis muab cov kev hloov pauv txuas ntxiv uas xav tau rau kev ua haujlwm ib txwm muaj thiab tuaj yeem ua rau muaj kev puas tsuaj tam sim no. Qhov no tsis txhais hais tias transformer-based electronic converters siv tsis tau DC qhov chaw; xws converters tsim ib tug hloov waveform los ntawm switching circuitry.
Puas yog Transformer hloov zaus?
Ib qho piv txwv AC transformer tsis hloov cov khoom siv zaus. Voltage transformation txawv ntawm zaus hloov dua siab tshiab.
Puas yog Txhua Tus Transformers Hluav Taws Xob cais tawm?
Tsis yog. Cov qauv sib cais-winding thiab autotransformers muaj kev sib txawv hauv Circuit Court. Tsis txhob cuam tshuam galvanic cais los ntawm lo lus "transformer" ib leeg; xyuas qhov tsim tiag.
Txuas Txoj Cai rau Lub Luag Haujlwm Yuav Tsum Tau
Lub hwj chim transformer ua hauj lwm los ntawm kev hloov flux, induced voltage thiab load-dependent zog hloov. Nws qhov kev ua tau zoo tiag tiag nyob ntawm tus qauv tsim thiab kev ua haujlwm. Rau ib qho kev faib khoom sib xyaw ua ke, tham txog koj qhov voltage, muaj peev xwm thiab qhov system-interface xav tau nrog JSGK siv qhov project ib kab kos duab thiab pom zoo cov kev cai.