Qhov loj dua lub peev xwm ntawm peb theemfais fab mov transformer, qhov siab dua nws cov kev qhia thiab kev lag luam, tab sis kev thauj mus los ntawm lub tshuab hluav taws xob loj no tsis yooj yim, yog li nws siv tsawg. Ib pawg peb-theem transformer muaj li ntawm peb-theem ib-theem transformers yog me ntsis kim dua, tsawg npaum li cas thiab occupies ib cheeb tsam loj dua li peb-theem transformer ntawm tib lub peev xwm. Txawm li cas los xij, txhua lub tshuab hluav taws xob ib zaug uas tsim los ntawm pawg transformer yog me dua qhov muaj peev xwm ntawm peb-theem transformer nyob rau hauv cov nqe lus ntawm qhov loj thiab kev thauj mus los hnyav, yog li nws yooj yim rau thauj thiab nruab, thiab txhua pab pawg ntawm cov khoom seem ib-theem transformers. txaus, thiab cov khoom siv tus nqi qis dua li kev siv peb-theem transformers (nrog rau lub peev xwm seem). Nws tuaj yeem pom los ntawm cov saum toj no tias cov kev xaiv sib txawv yuav tsum tau ua raws li cov xwm txheej sib txawv. Nyob rau hauv cov ntaub ntawv ntawm lub peev xwm loj, pawg transformer muaj li ntawm peb ib-theem transformers muaj qhov zoo ntawm kev thauj mus los yooj yim, yooj yim installation thiab me me spare qhov chaw. Nyob rau hauv cov ntaub ntawv ntawm lub peev xwm nruab nrab thiab me me, kev siv peb-theem transformers yog kev lag luam ntau dua.
Qhov thib ob, dab tsi yog qhov poob ntawm lub transformer nyob rau hauv cov txheej txheem ntawm lub zog hloov? Yuav ua li cas xam nws efficiency?
Vim hais tias lub transformer yog ib qho khoom siv hluav taws xob zoo li qub uas paub txog kev hloov hluav taws xob raws li lub hauv paus ntsiab lus ntawm electromagnetic induction, nws tsuas yog muaj hluav taws xob lossis sib nqus poob hauv cov txheej txheem hloov hluav taws xob, thiab tsis muaj kev poob. Thaum lub excitation tam sim no dhau los ntawm cov thawj winding, hysteresis poob thiab eddy tam sim no poob yog generated nyob rau hauv cov tub ntxhais, uas yog hu ua hlau poob. Nws yog qhov me me rau qhov tsis muaj load tam sim no (uas yog, excitation tam sim no) thiab thawj winding tsis kam, yog li qhov poob ntawm thawj winding tsis kam thaum lub transformer tsis muaj load me me thiab yuav tsis quav ntsej. Yog li ntawd, hlau poob ntawm lub transformer yog yeej sib npaug rau nws tsis-load poob. Lub hauv paus thiab theem nrab windings ntawm lub transformer muaj ib tug tej yam kuj, thiab thaum muaj ib tug load, lub tam sim no ntws los ntawm cov resistors, nws yog tsim nyog los tsim poob, uas yog tooj liab poob.
Qhov poob ntawm cov hwj chim no yog proportional rau lub square ntawm tam sim no, yog li qhov tooj liab poob ntawm lub transformer yog txiav txim siab los ntawm qhov loj ntawm lub load tam sim no. Qhov loj ntawm lub load tam sim no tsis yog tsuas yog cuam tshuam nrog qhov loj ntawm lub load impedance, tab sis kuj rau qhov xwm ntawm lub load (uas yog, qhov loj ntawm lub hwj chim yam). Nws tuaj yeem pom tau tias qhov loj ntawm qhov poob tooj liab yog qhov tseeb txiav txim siab los ntawm qhov loj ntawm qhov thauj khoom tam sim no thiab lub zog hluav taws xob. Qhov sib txawv ntawm lub zog input thiab cov zis hluav taws xob ntawm lub transformer yog lub zog poob ntawm lub transformer, uas yog qhov sib npaug ntawm cov hlau poob thiab tooj liab poob.
Qhov thib peb, puas yog qhov luv luv-circuit voltage ntawm transformer cuam tshuam rau qhov zoo ntawm cov khoom siv fais fab?
Kev hloov pauv voltage thiab luv-circuit voltage ntawm transformer yog lub ntsiab Performance indexes ntawm transformer, uas muaj ib tug tseem ceeb heev cuam tshuam rau lub lag luam thiab lub hwj chim mov zoo ntawm transformer. Qhov loj ntawm luv luv Circuit Court voltage plays lub luag haujlwm tseem ceeb hauv kev ua haujlwm ib txwm muaj thiab kev sib tsoo ntawm lub transformer, thiab muaj kev cuam tshuam zoo rau qhov zoo ntawm cov khoom siv hluav taws xob. Ntawm ib qho kev ntsuas tam sim no, qhov me me ntawm qhov luv luv-circuit voltage, qhov me dua qhov luv-circuit impedance. Qhov luv luv Circuit Court voltage yog me me, uas tuaj yeem ua rau cov load nce, qhov xau impedance voltage poob ntawm transformer yog me me, thiab cov zis voltage yog ruaj khov. Txawm li cas los xij, los ntawm qhov pom ntawm qhov tshwm sim ntawm qhov tshwm sim ntawm kev sib tsoo luv luv, nws cia siab tias qhov luv luv Circuit Court voltage loj dua, yog li cov xaim impedance tuaj yeem loj dua los txwv cov nqi ntawm qhov luv luv tam sim no.
Yog li ntawd, qhov luv luv-circuit voltage yuav tsum muaj tus nqi tsim nyog los xyuas kom meej qhov kev ua haujlwm ib txwm muaj thiab kev sib tsoo ntawm lub transformer. Tsis tas li ntawd, qhov luv luv-circuit voltage rau kev ua haujlwm sib luag ntawm lub tshuab hloov pauv kuj tseem ceeb heev, thaum ob lossis ob peb lub tshuab hloov pauv hauv kev ua haujlwm sib luag, lawv qhov luv-circuit voltage yuav tsum sib npaug. Txwv tsis pub, thaum lub transformer nrog ib tug loj luv luv-circuit voltage yog tag nrho loaded, lub transformer nrog ib tug me me luv luv-circuit voltage yuav overloaded, thiab thaum lub transformer nrog ib tug me me luv-circuit voltage yog tag nrho loaded, lub transformer nrog ib tug loj luv luv. - Circuit Court voltage yog nyob rau hauv lub teeb load. Nyob rau hauv txoj kev no, lub peev xwm ntawm lub transformer tsis tuaj yeem sib haum xeeb thiab tsis tuaj yeem siv tag nrho.
Plaub, dab tsi yog qhov tseem ceeb ntawm qhov kub thiab txias ntawm kev ua haujlwm ntawm lub tshuab hluav taws xob?
Kub nce yog ib qho tseem ceeb indexes ntawm transformer lag luam, uas ncaj qha cuam tshuam rau lub rwb thaiv tsev kev ua tau zoo ntawm transformer. Kev kub siab dhau lawm yuav ua rau kom muaj kev laus nrawm ntawm rwb thaiv tsev thiab ua rau lub neej luv ntawm lub transformer. Yog tias qhov kub nce siab dhau lawm, lub transformer tsis siv tag nrho. Feem ntau, qhov kub ntawm qhov rwb thaiv tsev tuaj yeem tiv taus ntev ntev tsis tshaj 90 ~ 95 ° C, yog tias nws siab tshaj qhov ntsuas kub, qhov kev pab cuam lub neej ntawm rwb thaiv tsev yog txo los ntawm ib nrab rau txhua qhov nce ntawm 8 ° C. Cov kev cai qhia. hais tias thaum lub transformer khiav tsis tu ncua nrog tsis-load poob thiab luv luv Circuit Court poob sib npaug rau 75 ° C, qhov kub ntawm txhua qhov ntawm lub transformer yog siab tshaj li ntawm cov huab cua nyob ib puag ncig, uas yuav tsum tsis txhob tshaj ib tug tshwj xeeb tus nqi (xws li lub Kev tso cai kub nce ntawm 65 ° C nyob rau hauv winding, thiab qhov tso cai kub nce ntawm 70 ° C hauv cov tub ntxhais hlau), thiab qhov kub ntawm cov cua txias nyob ib puag ncig hloov pauv, nrog rau qhov siab tshaj plaws ntawm 40 ° C.
