Delta Star Transformer Connection: Txoj Cai Ua Haujlwm, Qhov Zoo, thiab Daim Ntawv Thov

Transformers yog cov khoom tseem ceeb hauv cov khoom siv hluav taws xob niaj hnub no vim tias lawv tso cai rau hluav taws xob xa mus thiab xa tawm ntawm qhov sib txawv voltage. Ntawm ntau peb -theem transformer txoj kev sib txuas, qhovdelta hnub qub transformerconfiguration yog ib qho ntawm cov kev daws teeb meem ntau tshaj plaws hauv kev siv hluav taws xob, kev lag luam, kev lag luam, thiab kev siv hluav taws xob txuas ntxiv dua tshiab.

Lub hnub qub delta kev sib txuas ua ke nrog Delta (Δ) winding ntawm ib sab ntawm lub transformer nrog lub hnub qub (Y) winding ntawm lwm sab. Qhov kev npaj no muab ntau yam txiaj ntsig, suav nrog kev txhim kho voltage ruaj khov, txo cov teebmeem kev sib raug zoo, thiab muaj peev xwm muab kev sib txuas nruab nrab rau qis -voltage distribution systems.

Rau ntau daim ntawv thov faib, transformer manufacturers feem ntau siv covDyn11 vector pawg, uas tau dhau los ua tus qauv xaiv rau11 kV / 0.4 kVfaib transformers thiab cov tshuab fais fab zoo sib xws.

A delta hnub qub transformeryog peb-theem transformer uas ib qho winding txuas nrog hauv Delta thiab lwm qhov winding txuas nrog hauv Hnub Qub. Hauv feem ntau daim ntawv thov kev faib tawm, qhov siab -voltage winding siv Delta kev twb kev txuas, thaum qis -voltage winding siv lub hnub qub kev twb kev txuas nrog ib tug nruab nrab point.

Transformer vector pawg feem ntau qhia raws liDyn 11. Hauv nonpe, tsab ntawv "D" qhia tias qhov siab -voltage winding siv aDeltakev sib txuas, thaum "y" sawv cev rauLub hnub qubkev sib txuas ntawm qis-voltage sab. Tsab ntawv "n"show hais tiasnruab nrab pointmuaj, thiab "11" sawv cev rautheem hloov chawnruab nrab ntawm qhov siab -voltage thiab low-voltage windings.

Qhov kev teeb tsa no tso cai rau lub tshuab hluav taws xob muab ob qho tib si peb -theem thiab ib zaug -theem loads, ua rau nws tshwj xeeb tshaj yog haum rau kev faib khoom network.

Lub hauv paus ntsiab lus ntawm kev khiav hauj lwm ntawm lub hnub qub delta transformer yog tib yam li lwm yam transformer.Cov hluav taws xob hluav taws xob yog pauv ntawm thawj thiab theem nrab windings los ntawm electromagnetic induction.Txawm li cas los xij, txoj kev sib txuas winding cuam tshuam li cas voltage, tam sim no,harmonics, thiab grounding yam ntxwv coj nyob rau hauv lub system.

Ntawm Delta-sab txuas, peb qhov windings txuas nrog hauv daim duab peb sab kaw. Txij li thaum tsis muaj qhov nruab nrab, Delta winding feem ntau yog siv rau siab - cov ntawv siv hluav taws xob uas tsis tas yuav muaj tus neeg xyuas pib nruab nrab. Covkaw -loop designkuj tseem muab txoj hauv kev rau circulating harmonic tam sim no, uas pab txhim kho voltage waveform zoo.

Ntawm Lub Hnub Qub- txuas sab, peb qhov kawg winding txuas ua ke ntawm ib qho chaw, tsim kom muaj kev sib txuas nruab nrab. Qhov no tso cai rau lub transformer muab aplaub-wire tis systemqhov twg ob kab - mus rau - kab thiab kab - mus rau - nruab nrab voltages muaj.

Piv txwv li, 400V qis- qhov hluav taws xob faib hluav taws xob tuaj yeem muab 400V peb-theem fais fab rau lub cev muaj zog thiab cov khoom lag luam thaum tseem muab 230V ib zaug-theem fais fab rau teeb pom kev zoo thiab khoom siv hauv chaw ua haujlwm.

Cov yam ntxwv hluav taws xob ntawm lub hnub qub delta transformer nyob ntawm qhov sib txawv ntawm kev sib raug zoo ntawm theem thiab kab nqi.

Hauv kev sib txuas ntawm Delta, txhua qhov winding tau txais tag nrhokab voltage, thaum txoj kab tam sim no siab tshaj qhov winding tam sim no. Nyob rau hauv sib piv, lub hnub qub kev twb kev txuas txo qhov voltage kev nyuaj siab ntawm txhua winding vim hais tias txhua theem winding tau txais xwb lubtheem voltage.

Qhov sib txawv no ua rau Delta- hnub qub kev npaj tsim nyog rau kev nce qib voltage ntawm nruab nrab-voltage thiab low-voltage systems.

Kev sib txuas Delta feem ntau yog xaiv rau qhov siab -voltagewinding vim nws muab ntau yam kev ua haujlwm zoo.

Ib qho txiaj ntsig tseem ceeb yogharmonic tswj. Cov tshuab hluav taws xob niaj hnub no feem ntau muaj cov khoom tsis sib xws uas tsim kom muaj kev sib haum xeeb. Lub Delta winding tsim ib txoj hauv kev kaw rau kev sib haum xeeb thib peb, tiv thaiv cov kev sib haum xeeb los ntawm kev tshwm sim ntau dhau hauv lub zog sab nraud.

Kev sib txuas ntawm Delta kuj tseem txhim khotransformer kev ua tau zoothaum loads tsis zoo kawg nkaus balanced. Cov chaw tsim khoom lag luam, cov tsev lag luam, thiab cov tshuab hluav taws xob tauj dua tshiab feem ntau muaj qhov tsis sib xws ntawm kev thauj khoom, thiab Delta winding pab tswj kev ruaj ntseg tag nrho.

Lwm qhov zoo dua yog qhov siab -voltage kis tau tus mob thiab cov tshuab xa tawm feem ntau tsis tas yuav muaj tus neeg xyuas pib nruab nrab. Siv ib qho kev sib txuas Delta yooj yim rau qhovtransformer tsimthaum tswj kev ua haujlwm txhim khu kev qha.

Lub hnub qub kev sib txuas yog nyiam nyob rau qis -voltage sab vim nws muab anruab nrab pointuas tuaj yeem ua av.

Qhov kev sib txuas nruab nrab no tseem ceeb heev hauv kev faib khoom vim tias ntau tus neeg siv hluav taws xob xav tau ob qho tib si peb -theem thiab ib zaug -theem fais fab. Ib tug raug 400V faib transformer tuaj yeem muab 400V ntawm theem thiab kwv yees li 230V ntawm theem thiab nruab nrab.

Raws li qhov tshwm sim, ib qho kev hloov pauv tuaj yeem ua haujlwm ntau yam khoom siv hluav taws xob, suav nrog cov motors, HVAC systems, teeb pom kev zoo, thiab cov khoom lag luam.

Lub hauv paus nruab nrab kuj tseem txhim kho kev nyab xeeb hluav taws xob los ntawm kev muab cov ntsiab lus siv rau kev tiv thaiv kab mob thiab cov cuab yeej kuaj xyuas qhov txhaum.

delta lub hnub qub transformer kev twb kev txuas yog dav siv nyob rau hauv txawv sectors vim hais tias ntawm nws yooj thiab kev ntseeg tau.

Hauvkev faib khoom siv hluav taws xob, 11kV/0.4kV Dyn11transformers yogfeem ntau ntsia los txo qhov nruab nrab hluav taws xob hluav taws xob mus rau hauv qis-voltage fais fab mov haum rau cov neeg siv khoom nyob, kev lag luam, thiab kev lag luam.

Cov nroj tsuag muajfeem ntau siv delta lub hnub qub transformers vim lawv tuaj yeem txhawb nqa hnyav peb -theem loads thaum tswj kev ua haujlwm ruaj khov. Cov chaw tsim khoom, kev ua haujlwm tsuas, thiab cov chaw ua haujlwm loj feem ntau cia siab rau qhov kev teeb tsa transformer no.

Renewable zog tej yaam num, suav nroghnub ci ua liaj ua tebthiabcua zog systems, kuj tseem siv delta lub hnub qub transformers los txuas cov khoom tsim nrog nruab nrab -voltage tis networks.

Cov chaw zov me nyuamthiab cov tsev lag luamkuj tseem tuaj yeem siv lub hnub qub delta transformer vim lawv xav tau kev faib hluav taws xob muaj zog nrog kev ua tau zoo ntawm lub zog zoo.

Txawm hais tias ob qho tib si transformer configurations siv Delta thiab Star kev sib txuas, lawv cov ntawv thov txawv.

Lub hnub qub delta configuration yog ntau dua nyob rau hauvfaib transformersvim lub hnub qub- txuas txuas txuas txuas txuas txuas ntxiv muab kev sib txuas nruab nrab yooj yim rau cov neeg siv kawg.

Qhov nrov ntawm delta lub hnub qub transformers los ntawm lawv lub peev xwm los ua ke lub zog ntawm ob qho tib si winding kev npaj. Sab Deltatxhim kho harmonic kev ua tau zoothiab pabtswj cov loads tsis sib npaug, thaum lub hnub qub sab muab ibnruab nrab kev sib txuasrauhloov tau lub zog faib.

Cov transformers no muaj kev lag luam txhim khu kev qha, kev hloov hluav taws xob zoo, thiab kev sib raug zoo nrog cov khoom siv hluav taws xob niaj hnub. Lawv muaj txiaj ntsig tshwj xeeb hauv cov kab ke uas ob qho tib si -theem thiab ib zaug -theem fais fab mov yuav tsum tau.

Rau cov khoom siv hluav taws xob, chaw tsim khoom, thiab cov phiaj xwm hluav taws xob tauj dua tshiab, kev sib txuas ntawm lub hnub qub delta tseem yog ib qho ntawm cov qauv siv tau zoo tshaj plaws thiab ua pov thawj.

Ib tug raug faib transformer tej zaum yuav muaj cov nram qab no specifications:

Thaum lub sijhawm ua haujlwm, cov khoom siv 11kV nkag mus rau Delta- txuas siab -voltage winding. Lub transformer hloov lub zog los ntawm electromagnetic induction thiab txo qhov voltage theem. Qhov qis-voltage Star- txuas winding ces xa 400V peb-theem fais fab nrog lub nruab nrab taw tes muaj rau 230V ib zaug-theem loads.

Qhov kev tsim qauv no tau dhau los ua cov qauv kev daws teeb meem rau ntau daim ntawv thov kev xa tawm thoob ntiaj teb.

Xaiv txoj cai delta lub hnub qub transformer yuav tsum tau ua tib zoo xavntawm yam xws li ntsuas qhov muaj peev xwm, qhov sib piv voltage, pawg vector, efficiency, rwb thaiv tsev, txoj kev txias, thiab cov qauv siv tau.

Yog Transformermuab kev hloov pauv hloov pauv hloov pauv rau cov khoom siv hluav taws xob, kev siv hluav taws xob, kev siv hluav taws xob txuas ntxiv mus, thiab cov tshuab hluav taws xob ua lag luam. Nrog kev paub txog kev tsim cov roj-immersed transformers, qhuav-hom transformers, thiab fais fab transformers, Yawei Transformer tsom rau kev xa cov khoom lag luam txhim khu kev qha thiab ua tau raws li cov kev cai thoob ntiaj teb.

Covdelta hnub qub transformerKev sib txuas yog cov cuab yeej tseem ceeb hauv kev faib hluav taws xob niaj hnub vim tias nws muab kev hloov pauv hluav taws xob muaj txiaj ntsig, txhim kho kev sib raug zoo, thiab hloov pauv hloov pauv muaj peev xwm.

Los ntawm kev sib txuas nrog Delta- txuas winding nrog lub hnub qub- txuas winding, qhov kev teeb tsa transformer no muaj cov kev daws teeb meem rau kev muab hluav taws xob txhim khu kev qha rau kev lag luam, tsev, cov phiaj xwm hluav taws xob tauj dua tshiab, thiab cov khoom siv hluav taws xob.

Nrog nws cov pov thawj kev ua tau zoo thiab ntau yam kev siv, lub hnub qub delta transformer tseem yog ib qho tseem ceeb tshaj plaws transformer tsim nyob rau hauv niaj hnub cov khoom siv hluav taws xob.

Hu rau tam sim no