Dab tsi yog lub tshuab hloov pauv siv rau: nta, lub hauv paus ntsiab lus ntawm kev ua haujlwm thiab daim ntawv thov

2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28

Pib nrog, cia peb txheeb xyuas seb lub tshuab hloov pauv yog dab tsi thiab nws yog dab tsi. Qhov no yog lub tshuab hluav taws xob tsim los hloov qhov voltage. Lawv txawv nyob ntawm lub hom phiaj. Muaj tam sim no, voltage, sib piv, vuam, lub zog, ntsuas transformers. Txhua tus neeg nyias muaj nyias txoj haujlwm, tab sis lawv muaj kev sib koom ua ke los ntawm lub hauv paus ntsiab lus ntawm kev ua. Txhua transformers khiav ntawm alternating tam sim no. Tsis muaj cov khoom siv DC zoo li no. Lawv txhua tus muaj qhov pib thiab theem nrab windings.

Yuav ua li cas yog lub hauv paus thiab dab tsi yog hu ua qhov thib ob winding?

Lub hauv paus yog qhov uas qhov hluav taws xob tuaj, thiab qhov thib ob yog qhov uas nws raug tshem tawm. Piv txwv li, peb muaj ib tug transformer uas converts 220 V AC mus rau 12 V. Nyob rau hauv cov ntaub ntawv no, thawj winding yog ib tug uas yog 220 V. Tab sis transformers tsis tau tsuas yog nqis los, tab sis kuj nce lub voltage. Yog liYog li, los ntawm kev sib txuas 12 V AC mus rau yav dhau los qhia qhov thib ob winding, peb tuaj yeem tshem tawm 220 V ntawm thawj. Yog li, lawv hloov chaw.

Qee zaum, tej zaum yuav muaj ob peb lub voj voog thib ob. Piv txwv li, nyob rau hauv lub qub TVs muaj cov khoom siv nrog ib tug thawj winding thiab ntau lwm yam, qhov voltage uas txawv ntawm 3.3 mus rau 90 V. Txawm li cas los xij, lub transformer pab hloov voltages thiab tam sim no rau qhov zoo tshaj qhov tseem ceeb.

Txoj cai ntawm kev txuag hluav taws xob

Nws yuav tsum to taub tias chav tsev no tsis siv zog los ntawm qhov twg. Piv txwv li, cia peb siv lub tshuab hloov hluav taws xob nrog thawj qhov hluav taws xob ntawm 220 V thiab tam sim no ntawm 5 A. Qhov no txhais tau tias nws lub zog yog 1100 watts. Los ntawm qhov thib ob winding ntawm 22 V, peb tuaj yeem tshem tawm qhov tam sim no tsis tshaj 50 A. Hloov mus rau watts, peb tau txais tib yam 1100 watts. Peb yuav tsis tshem tawm ntau lub zog los ntawm kev sib tw thib ob. Yog tias koj sim ua qhov no, lub cuab yeej yuav tsuas ua tsis tiav. Yog li, nws dhau los ua qhov tseeb tias qhov transformer yog rau dab tsi. Yuav hloov AC voltage rau DC. Tom ntej no, peb yuav qhia koj ntxiv txog txhua hom khoom siv li no.

Instrument transformers

Cov khoom siv zoo li no yog siv los txo cov nqi kom tau txais kev ntsuas cov khoom siv. Lawv siv nyob rau hauv kev ntsuas. Koj tuaj yeem pom cov khoom siv li no hauv microprocessor thev naus laus zis. Nyob ntawd lawv ua hauj lwm raws li ib tug sensor uas xa cov teeb liab ntawm ntau theem mus rau lub rooj tsavxwm, nyob ntawm seb lub tom kawg "txiav txim siab" txog kev ua hauj lwm ntxiv.khoom siv.

Lawv feem ntau yog qhov tseeb thiab tsis yog rau cov neeg siv khoom siv. Piv txwv ntawm cov cuab yeej ntsuas hluav taws xob siv li cas yog cov khoom siv hauv qab no rau kev hloov pauv tam sim no thiab qhov hluav taws xob. Peb yuav sim piav qhia lawv lub hom phiaj kom ntxaws npaum li sai tau.

tam sim no transformers

Cov khoom siv no yog dab tsi? Lawv tau tsim los txo cov nqi tam sim no rau cov khoom siv ntsuas tau. Qhov tseeb, lawv yog cov khoom siv nruab nrab ntawm cov conductors, los ntawm qhov yuav tsum tau coj tus nqi ntawm tus nqi, thiab kev ntsuas mechanism. Xws li transformers yog siv, raws li twb tau hais lawm, hauv kev ntsuas ntsuas, cov cuab yeej tiv thaiv thiab automation. Lawv txuas nrog hauv txoj kev no: thawj winding muaj ob peb lem thiab txuas nrog hauv cov khoom thauj, thiab cov winding thib ob txuas nrog rau qhov tsawg kawg nkaus ua haujlwm ntawm cov khoom tiv thaiv lossis ntsuas.

Feem ntau, cov tshuab hloov pauv no tau muab nrog cov cuab yeej siv nws tus kheej, vim tias kev hloov pauv me ntsis hauv kev thauj khoom yuav cuam tshuam rau qhov ntsuas qhov tseeb, thiab cov cuab yeej tiv thaiv yuav tsis ua haujlwm zoo. Cov qauv tsim thiab txoj kev sib txuas cov khoom siv no ua rau nws ua tsis tau rau lub zog rau cov neeg siv khoom.

Voltage Transformers

hom khoom siv no tsis yog siv rau cov neeg siv khoom siv hluav taws xob, tab sis tsim nyog los tsim kom muaj kev sib cais ntawm galvanic nruab nrab ntawm qhov siab-voltage thiab qis-voltage. Txoj kev tsim khoom tsis muaj dab tsitxawv ntawm lub hwj chim hom ntawm cov khoom siv tib lub npe. Tseem muaj cov thawj thiab theem nrab windings, cov xaim hla ntu yog qhov tsawg, uas tsis tso cai rau nws siv rau cov neeg siv khoom siv hluav taws xob.

Piv txwv li, siv ib kilovoltmeter. Qhov tseeb yog tias nws kim dhau los tsim ib lub cuab yeej uas yuav tuav lub zog siab. Yog li ntawd, ib tug voltage transformer yog ntsia nruab nrab ntawm lub ntsuas probes, uas coj tus nqi ntawm tus nqi, thiab cov cuab yeej. Nws hloov cov txiaj ntsig siab kom tau txais los ntawm kev ntsuas ntsuas (kwv yees li 100 V). Qhov kev ntsuas no tso cai rau koj kom tsis txhob hloov pauv qhov ntsuas ntsuas. Rau qee qhov, txoj kev sib txuas no tso cai rau koj los tiv thaiv tus kws kho hluav taws xob uas ntsuas ntsuas.

Lawv kuj tau siv rau kev teeb tsa hauv ntau yam kev tswj hwm thiab kev tiv thaiv. Tam sim no koj paub dab tsi voltage transformers rau. Cia wb mus rau lwm hom - vuam cov khoom siv tib lub npe.

Fais fab transformers

Cov no yog cov cuab yeej muaj zog dua uas koj ntau tus tau pom. Tom ntej no, peb yuav piav qhia meej tias lub zog transformers siv rau dab tsi. Lawv yuav tsum tau nce / txo qhov voltage los ntawm electromagnetic induction rau tus nqi uas cov neeg siv khoom xav tau. Nyob rau hauv rooj plaub ntawm cov khoom siv no, lo lus "cov neeg siv khoom" yog hais txog cov chaw tsim khoom thiab cov tsev nyob.

Qhov piv txwv zoo tshaj plaws yog cov khoom siv uas qis dua 6 (10) kV rau qhov tau txais 380 V, uas twb tau pub ib theem ua ke nrog cov kab nruab nrabpeb lub tsev xav tau 220 V. Thiab ib qho piv txwv ntawm xws li ib tug step-up transformer tuaj yeem pom nyob rau hauv lub microwave, qhov twg ib qho ntawm 220 V mains ua rau 2 kV magnetron tsim nyog rau kev ua haujlwm. Cov chav muaj hluav taws xob siab (siab tshaj 1000 V) yuav luag txhua zaus peb-theem, thiab lawv tau muab faib ua cov roj lossis cua txias chav, nrog rau kev hloov pauv huab cua thiab thawj qhov hluav taws xob winding.

Ib qho tshwj xeeb ntawm peb-theem transformers yog tias, nyob ntawm kev suav nrog cov windings (hnub qub-delta), koj tuaj yeem hloov qhov kev khiav hauj lwm voltage los ntawm 1.73 zaug. Piv txwv tias chav tsev no, txuas nrog 6 kV delta, tuaj yeem ua haujlwm ntawm 10 kV network, tshwj tsis yog, ntawm chav kawm, cov chaw tsim khoom tau saib xyuas qhov muaj peev xwm los ntawm sab rwb thaiv tsev. Muaj cov transformers, raws li tau hais los saum no, peb-theem thiab ib-theem. Cov cuab yeej tsim los ua haujlwm nrog cov peev txheej sib txawv raws li qhov xav tau ntawm cov neeg siv khoom.

Ib-theem transformers, uas yav tas los siv los ua cov khoom siv hluav taws xob, tam sim no tau hloov pauv los ntawm ntau yam khoom siv hluav taws xob, uas muaj kev ua haujlwm zoo dua, qhov hnyav thiab qhov ntev. Tsis tas li ntawd, cov cuab yeej hluav taws xob tuaj yeem muab faib ua raws li hom kev tua hluav taws xob sib nqus rau hauv pas nrig thiab cov cuab yeej cuab tam.

Lub tshuab hluav taws xob nrog lub tshuab hluav taws xob sib nqus yog tsim los ntawm txoj hauv kev uas 2 coils tau nruab rau ntawm U-shaped, thiab ib tug quab raug kaw rau saum. Qhov kom zoo dua yog tias cov ntsiab lus tsis kov ib leeg.

Nyob rau hauv armored magnetic circuit, lub kauj yog ntsia rau ntawm W-puab ib feem. Cov seem uas cov conductors nyob yog feem ntau raug mob ua ntejraws li thawj, thiab tom qab ntawd, los ntawm cov cua kub-resistant separator, raws li theem nrab. Qhov kom zoo dua yog qhov muaj zog tiv thaiv kev tiv thaiv ntawm windings.

Tseem muaj cov toroidal cores, tab sis lawv tau ua los ntawm ferrite rings, vim nws tsis muaj txiaj ntsig los tsim cov qauv zoo li no los ntawm laminated magnetic circuit. Cov chav no feem ntau yog siv hauv cov khoom siv hluav taws xob thiab ua haujlwm ntawm cov zaus siab.

vuam transformers

Cov khoom siv no yog dab tsi? Qhov tseeb, lawv yog cov koom haum ywj pheej. Ntawd yog, vuam transformer tsis yog ib txoj hlua khi uas ua kom muaj kev ua haujlwm ntawm txhua yam khoom siv, tab sis nws tus kheej yog cov khoom siv puv ntoob. Lub hom phiaj ntawm cov cuab yeej zoo li no yog txhawm rau txo cov hluav taws xob hluav taws xob mus rau qhov qis, kwv yees li 50-60 V, thiab muab cov tam sim no loj.

Ntawm qhov voltage no, ib qho luv luv arc tawg, tab sis qhov tam sim no loj tiag tiag muab nws lub zog ntau. Ua tsaug rau qhov kawg parameter, hlau yog welded los yog txiav.

Cov transformers, raws li txoj cai, muaj kev hloov kho tam sim no. Qhov no yog qhov tsim nyog los hloov txoj kab uas hla thiab hom vuam electrode. Muaj tseeb, vuam transformers rau kev siv hauv tsev tau nce ntxiv los ntawm cov inverter. Uas yog tsis xav tsis thoob, vim hais tias cov efficiency ntawm vuam converter yog qis dua. Nws txo qis lub zog hluav taws xob, siv cov tam sim no loj ntawm lub hauv paus winding, muaj qhov hnyav loj, tsis muaj kev txav mus los, thiab ua kom sov ntau heev piv rau cov khoom siv inverter.

Tam sim no koj paub yuav ua li cas lub vuam transformer ua haujlwm thiab nws yog dab tsi.

Coordinator

Hom transformer no yog siv nyob rau hauv ntau yam multi-theem circuits kom phim qhov kev tiv thaiv ntawm qhov sib txawv ntawm Circuit Court. Koj tuaj yeem pom nws hauv lub raj suab amplifier. Feem ntau hauv cov khoom siv no yog ib hnub so.

Yog li dab tsi yog qhov load txuam transformer rau? Piv txwv li, kev khiav hauj lwm voltage ntawm lub teeb nyob rau hauv lub suab zaus amplifier yog 70-90 V, tab sis tam sim no yog scanty. Xws li qhov hluav taws xob tsis tuaj yeem siv rau cov neeg hais lus, uas txhais tau hais tias nws txo qis rau qhov kev lees paub qhov hluav taws xob thiab, raws li, tam sim no nce.

Lub hom phiaj ntawm qhov hloov pauv no yog txhawm rau txo qhov hluav taws xob lossis nce nws mus rau tus nqi xav tau los ntawm ib qho ntawm cov khoom siv.

Zaj lus

Txhua yam khoom siv rau kev hloov pauv tam sim no thiab qhov hluav taws xob tau koom ua ke los ntawm txoj cai ntawm kev ua haujlwm. Cov yam ntxwv tseem ceeb uas yuav tsum tau them sai sai rau thaum yuav: thawj qhov hluav taws xob, theem nrab winding, zaus, lub zog muaj zog thiab, raws li, lub zog thiab cov zis tam sim no.

Nyob hauv lub neej txhua hnub, chav tsev no yuav luag tsis tau siv. Tom qab tag nrho, lub vuam transformer hloov lub inverter, thiab nws cov analogues nyob rau hauv cov khoom siv fais fab twb hloov hluav taws xob voltage converters. Qhov no yog ua tiav vim qhov tseeb tias cov cuab yeej siv feem ntau muaj, piv nrog cov khoom siv hluav taws xob, qhov hnyav hnyav, thiab lawv kuj tsis muaj txiaj ntsig zoo vim kev siv cov hlau tsis muaj hlau ntau hauv kev tsim khoom thiab kev kho kim. Tsis ntev yuav nyob hauvntau lawm tsuas yog transformer substations, tab sis tsuas yog nyob rau hauv cov chaw uas nws yuav tsis muaj peev xwm hloov lawv nrog hluav taws xob Cheebtsam.

Nyob rau hauv tsab xov xwm no, peb sim piav qhia txog dab tsi transformers yog rau, thiab tham me ntsis txog lawv lub ntsiab hom.