Raws li tus neeg sawv cev ntawm cov roj- cov khoom siv hluav taws xob pub dawb, cov qauv tsim ntawm qhuav- hom hloov pauv hloov pauv nyob ib puag ncig peb lub hom phiaj tseem ceeb: kev nyab xeeb thiab kev ntseeg siab, ua kom muaj cua sov zoo, thiab kev hloov pauv ib puag ncig. Los ntawm cov qauv siv hluav taws xob muaj txiaj ntsig zoo, cov txheej txheem rwb thaiv tsev zoo tshaj plaws, thiab cov phiaj xwm ua kom zoo tshaj plaws ntawm cov cua sov, kev xa hluav taws xob ruaj khov thiab kev ua haujlwm ntev - ua tiav.
Ntawm cov qauv tsim hluav taws xob, qhuav- hom transformers ua raws li txoj cai ntawm electromagnetic induction, ua tiav qhov kev hloov pauv hluav taws xob los ntawm kev hloov pauv ntawm thawj thiab theem nrab windings. Cov tub ntxhais siv high-permeability txias- dov nplej- taw qhia silicon steel nplooj ntawv, thiab ntau- theem stacking txo eddy tam sim no poob thiab hysteresis poob, txhim kho tsis muaj -load efficiency. Cov windings siv tooj liab lossis aluminium conductors, nrog cross- ntu tsim raws li qhov muaj peev xwm thiab qhov xav tau ceev tam sim no, thiab qhov tsim nyog lem faib kom sib nqus flux ceev thiab tam sim no ntom nyob rau hauv kev lag luam kev lag luam, txo cov khoom siv hluav taws xob thiab kev siv hluav taws xob. Kev tsim hluav taws xob kuj tseem yuav tsum tau txiav txim siab luv luv -circuit impedance txuam kom ntseeg tau tias muaj txiaj ntsig zoo ntawm luv luv{11}}circuit tam sim no thaum lub cev tsis ua haujlwm, tiv thaiv cov khoom siv thiab daim phiaj hluav taws xob.
Rwb thaiv tsev tsim yog qhov sib txawv tseem ceeb ntawm qhuav-hom transformers thiab roj-immersed transformers. Nws cov txheej txheem rwb thaiv tsev feem ntau yog tsim los ntawm cov khoom siv, feem ntau siv epoxy resin nqus casting, iav fiber reinforced resin encapsulation, los yog siab -kub resistant film wrapping. Epoxy resin hom transformers encapsulate lub windings tag nrho thaum lub sij hawm tsim khoom, tsim ib tug siab -mechanical-lub zog, ya raws- pov thawj, thiab muaj kuab paug- pov thawj ib qho hluav taws xob rwb thaiv tsev qauv uas muaj peev xwm tiv taus ib puag ncig hnyav xws li cov av noo thiab cov pa phem. Thaum lub sij hawm tsim, tshav kub-cov ntaub ntawv rwb thaiv tsev tiv thaiv yuav tsum raug xaiv raws li cov chav kawm ua haujlwm kub (piv txwv li, B, F, H) kom ntseeg tau tias cov rwb thaiv tsev tsis muaj hnub nyoog lossis tsis zoo nyob rau hauv lub sijhawm ua haujlwm ntev - lub sijhawm ua haujlwm thiab ua kom muaj cov rwb thaiv tsev txaus los tiv thaiv cov hluav taws xob tsis zoo.
Lub tshav kub dissipation tsim ncaj qha cuam tshuam rau lub transformer lub peev xwm load thiab lifespan. Qhuav- hom transformers cia siab rau huab cua ua qhov nruab nrab cua txias thiab muab faib ua cua txias (AN) thiab cua txias (AF). Nyob rau hauv tej yam ntuj tso cua txias, cua sov yog dissipated lawm los ntawm convection los ntawm optimizing cov txheej txheem ntawm cov tub ntxhais thiab windings, ua rau lub tshav kub dissipation cheeb tsam, thiab teeb tsa cov cua ducts tsim nyog. Hauv cov txheej txheem txias txias, axial flow kiv cua lossis centrifugal kiv cua tau ntxiv los ua kom cov cua ntws nrawm dua, uas tuaj yeem txhim kho luv luv - lub sijhawm lossis lub peev xwm thauj khoom tas mus li ntawm qhov kub thiab txias. Tus txheej txheem tsim yuav tsum suav cov thermal resistance network, sib piv cov rwb thaiv tsev kub tiv thaiv kev ntsuas nrog rau qhov kub thiab txias, thiab xyuas kom meej tias qhov kub tshaj qhov kub tsis tshaj qhov txwv.
Kev tsim qauv kev tiv thaiv yog qhov tseem ceeb sib npaug. Lub plhaub sab nrauv siv cov khoom txias-rolled steel los yog galvanized steel, muab kev tiv thaiv txhua yam thiab ib qho kev tiv thaiv electromagnetic. Kev tiv thaiv kev ntsuas ntau ntawm IP00 txog IP54, nyob ntawm qhov chaw teeb tsa, tiv thaiv kev nkag mus ntawm cov khoom txawv teb chaws, ya raws, lossis cov pa roj corrosive. Cov kev txhawb nqa sab hauv thiab cov fasteners yuav tsum muaj qhov zoo seismic tiv thaiv kom tsis txhob muaj kev cuam tshuam ntawm kev thauj mus los thiab kev ua haujlwm vibrations ntawm rwb thaiv tsev thiab cov khoom siv hluav taws xob.
Tsis tas li ntawd, qhuav- hom transformer tsim suav nrog cov ntsiab lus kev nyab xeeb thiab kev tiv thaiv ib puag ncig, tshem tawm cov roj insulating kom tshem tawm cov dej xau thiab tawg thiab txo cov pa phem thaum ua haujlwm. Ib txhij, tsawg- cov ntaub ntawv poob thiab cov qauv hluav taws xob ua kom zoo dua qub, txhim kho kev siv hluav taws xob, ua tau raws li kev txuag hluav taws xob thiab kev txo qis emission.
Zuag qhia tag nrho, lub hauv paus ntsiab lus tsim ntawm qhuav- hom transformers nrhiav qhov zoo tshaj plaws sib npaug ntawm electromagnetic kev ua tau zoo, rwb thaiv tsev kev ntseeg tau, kev ua kom sov dissipation, thiab kev tiv thaiv cov qauv. Los ntawm kev sib koom tes ua haujlwm zoo tshaj plaws, cov cuab yeej ua tiav cov txiaj ntsig zoo hauv kev nyab xeeb hluav taws, kev hloov pauv ib puag ncig, thiab kev lag luam kev lag luam, muab cov tshuaj ntsuab thiab muaj zog faib hluav taws xob rau cov tshuab hluav taws xob niaj hnub.