Tshwj xeeb transformers - industrial qhuav-hom transformers tsim tshwj xeeb rau cov khoom siv hluav taws xob thiab cov neeg siv hluav taws xob, uas yog cov yam ntxwv tshwj xeeb - piv txwv li, nce load lossis kev ua haujlwm tshwj xeeb. Xws li transformers yog npaj rau kev lag luam kev lag luam, vim lawv tiv thaiv cov khoom siv hluav taws xob thiab cov khoom siv ncaj qha. Transformers ntawm ib hom tshwj xeeb tso cai rau koj los txo qhov ripple ntawm cov hluav taws xob tam sim no, kho qhov zaus ntawm qhov tam sim no thiab hloov cov theem ntawm cov theem.
Type of transformers
Tshwj xeeb pab pawg ntawm transformers suav nrog:
- Cov koom haum.
- sib cais.
- High frequency.
- Vuam transformers.
- Autotransformers thiab ntau lwm tus tsim los rau ntau yam kev siv nqaim.
Isolating transformers
Tshwj xeeb cais transformers davyog siv rau hauv cov cheeb tsam uas xav tau kev ntsuas kev nyab xeeb ntxiv thaum ua haujlwm nrog cov cuab yeej hluav taws xob. Lawv tau siv rau hauv cov cuab yeej kho mob uas yuav tsum tau sib cuag ncaj qha nrog tib neeg lub cev.
txhawm rau kom muaj kev nyab xeeb hluav taws xob, ob lub qhov hluav taws xob ntawm tus qauv tsim zoo ib yam tau muab tso rau ntawm ib qho kev sib nqus sib nqus, uas tso cai rau koj kom tau txais tib qhov hluav taws xob ntawm qhov tso zis raws li cov khoom nkag.
Ntawm lub cev ntawm lub cuab yeej thaum muaj kev puas tsuaj ntawm cov rwb thaiv tsev hlau, muaj peev xwm tsim tau uas tuaj yeem ntaus tus neeg thiab ua rau hluav taws xob raug mob. Kev siv cov khoom siv hluav taws xob zoo tshaj plaws yog ua tau nrog kev sib cais ntawm galvanic ntawm lub voj voog, thaum tib lub sijhawm nws tsis suav nrog qhov muaj peev xwm ntawm hluav taws xob raug mob thaum muaj kev puas tsuaj ntawm cov hluav taws xob hluav taws xob thib ob rau rooj plaub.
High zaus transformers
Tshwj xeeb-lub hom phiaj hloov pauv uas txawv ntawm cov khoom siv ib txwm siv hauv cov khoom siv uas lub tshuab hluav taws xob sib nqus tau tsim, uas tso cai rau cov teeb liab ntau zaus xa mus yam tsis muaj kev cuam tshuam.
Sib piv transformers
Tsim kom phim qhov kev tiv thaiv hauv hluav taws xob hluav taws xob. Sib txuam tshwj xeeb transformers yog dav siv nyob rau hauv lub suab amplifiers thiab kav hlau txais xov li.
vuam transformers
vuam-hom transformers yog siv nyob rau hauv kev lag luam lag luam, thaum muaj kev txaus siab ntawm cov xov tooj cua amateurs.
Lub ntsiab winding yog tsim nrog ntau tus lem, ua tsaug rau qhov kev ua tiavhluav taws xob hluav taws xob nrog qhov hluav taws xob input ntawm 220 lossis 380 volts. Tus naj npawb ntawm cov lem nyob rau hauv nruab nrab winding yog tsawg, tab sis tam sim no ntws los ntawm nws yog siab thiab muaj peev xwm ncav cuag ntau txhiab amperes.
Transformers rau hluav taws xob arc vuam
Ib kauj ruam-down ib-theem tshwj xeeb transformer muaj peev xwm hloov lub mains voltage ntawm 220 los yog 380 V mus rau 60-70 V xav tau rau hlawv ib tug hluav taws xob arc. ntawm lub vuam inverter yog nqa tawm nyob rau hauv tej yam kev mob kom ze li sai tau mus rau ib tug luv luv Circuit Court. Nyob rau hauv no hais txog, ib tug tsiv tub ntxhais choke yog txuas nrog nyob rau hauv series mus rau lub thib ob Circuit Court ntawm lub transformer kom txwv qhov tam sim no. Tus nqi ntawm cov vuam tam sim no thiab qhov inductive reactance ntawm inductor tuaj yeem hloov kho los ntawm kev hloov pauv tus nqi ntawm qhov sib txawv ntawm qhov sib nqus ntawm cov hlau nplaum.
Txawb core transformer
Ib qho tshwj xeeb transformer, cov tub ntxhais uas muaj ob qhov chaw - txav tau thiab ruaj khov, thiab cov txav tau nrog cov cua ntsawj ntshab thib ob yog nyob rau hauv qhov ruaj nrog cov thawj winding. Lub ntsiab winding ntawm xws li ib tug transformer yog ua los ntawm ob coils txuas nyob rau hauv opposite lus qhia. Txuas xws li ib tug transformer mus rau lub Circuit Court ib txhij nrog ib tug booster transformer tso cai rau koj mus kho qhov thib ob kev taw qhia.
Transformers rau rectifiers
Lub voj voog thib ob ntawm cov hloov pauv no suav nrog cov li qub, ua tsaug rau qhov hloov pauv tam sim no tau hloov mus rau hauvua npaws. Qhov ntev thiab qhov hnyav ntawm cov transformers tshwj xeeb rau kev teeb tsa rectifier yog qhov loj dua li cov khoom siv zoo sib xws ntawm cov khoom siv hluav taws xob zoo sib xws, tab sis muaj qhov sinusoidal tam sim no hauv lawv cov windings. Qhov no tau piav qhia los ntawm qhov tseeb tias nyob rau hauv transformers txuas nrog rectifier circuits, lub zog muaj txiaj ntsig yog nyob ntawm cov khoom ntawm cov khoom siv thib ob, thiab cov cua sov ntawm cov windings nyob ntawm tag nrho cov thawj thiab theem nrab tam sim no nrog ntau dua harmonics.
Network, los yog thawj, winding ntawm peb-theem rectifier transformers yog txuas nrog "daim duab peb sab" los yog "hnub qub", thiab lub thib ob - valve - yog kev cob cog rua nyob rau hauv xws li ib tug txoj kev uas ib leeg- thiab peb-theem tam sim no yog hloov mus rau hauv ntau theem nrog tus lej ntawm cov theem xav tau rau ib qho kev hloov pauv hauv Circuit Court. Qhov ntau dua tus naj npawb ntawm theem, qhov qis dua qhov ripple ntawm rectified voltage. Ib-theem tam sim no rectifiers ntsia ntawm lub tshuab hluav taws xob ua haujlwm ntawm ob-theem circuits, ntawm traction substations - rau-theem thiab kaum ob-theem.
hloov pauv hloov pauv
Ib lub tshuab hloov pauv uas nws txoj haujlwm ua haujlwm nyob ntawm qhov kev hloov pauv ntawm qhov tsis ncaj ncees ntawm cov shunts thiab muaj peb qhov sib xyaw ua ke, ib qho yog siv los ntawm cov tam sim no ncaj qha. Cov zis voltage ntawm lub transformer hloov nrog ib tug hloov nyob rau hauv lub DC bias Circuit Court.
Pulse transformers
Tsim los hloov cov hluav taws xob hluav taws xob thaum tswj lawv cov duab tsis hloov. Lub windings ntawm pulse transformers ntawm ib hom tshwj xeeb yog tsim nrog ob peb txheej kom txo tauhysteresis distortion, parasitic capacitances, eddy tam sim no thiab to inductances. Cov cores yog ua los ntawm permalloy lossis hluav taws xob txias dov hlau.
Peak transformers
Transformers tsim los hloov lub qhov hluav taws xob sinusoidal rau hauv qhov siab tshaj qhov xav tau los qhib thyratrons, tswj li qub - thyristors thiab cov cuab yeej zoo sib xws. Peak transformers yog ob-winding transformers nrog linear active los yog inductive kuj nyob rau hauv thawj winding circuits thiab ib tug heev saturated magnetic Circuit Court. Vim yog cov qauv no, ib qho EMF yog induced nyob rau hauv lub thib ob winding nyob rau hauv daim ntawv ntawm luv luv pulses, thaum lub sij hawm ntawm tam sim no dhau los ntawm xoom sib haum mus rau lub maxima ntawm pulses.
Khob
Electromagnetic static khoom siv hauv hluav taws xob circuits vim nws inductance. Lub reactor, los yog choke, yog ib co co nrog ib tug ferromagnetic core. Nyob ntawm lub hom phiaj thiab hom kev ua haujlwm, transformers tau muab faib ua ntau hom:
- Smoothing. Tsim los ua kom du tawm tam sim no ripples thiab siv nyob rau hauv traction motor circuits ntawm hluav taws xob tsheb ciav hlau thiab hluav taws xob locomotives.
- Kev hloov pauv. Hloov cov terminals ntawm transformer.
- Tam sim no-limiting. Txo cov hluav taws xob luv luv.
- Sib faib. Sib npaug faib cov load tam sim no ntawm cov li qub txuas nrog nyob rau hauv parallel.
- Kev cuam tshuam cuam tshuam. Tshem tawm kev cuam tshuamtshwm sim los ntawm kev ua haujlwm ntawm cov cuab yeej, khoom siv thiab cov tshuab hluav taws xob.
- Inductive shunts. Lawv faib cov tam sim no ntawm cov windings ntawm kev khiav hauj lwm traction motors thiab resistors txuas nyob rau hauv parallel rau lawv thaum transients.
Cov hom kev hloov pauv tshwj xeeb uas tau teev tseg saum toj no yog cov neeg nyiam tshaj plaws thiab feem ntau ntsib.
