Yuav ua li cas mus saib hauv lub transformer multimeter? qhia

Feem ntau koj yuav tsum paub koj tus kheej ua ntej nrog rau lo lus nug ntawm yuav ua li cas mus saib hauv lub transformer. Tom qab tag nrho, yog hais tias nws tsis, los yog tsis khov yuav tsis yooj yim mus nrhiav rau qhov ua rau ntawm cov khoom tsis ua hauj lwm. Qhov no yog ib tug yooj yim hluav taws xob ntaus ntawv yuav kuaj tau tus pa multimeter. Cia peb kawm saib yuav ua li cas yuav ua rau nws.

Yuav ua li cas yog cov khoom?

Yuav ua li cas mus saib hauv lub transformer, Yog hais tias koj tsis paub nws cov qauv? Xav txog lub hauv paus ntsiab ntawm kev txiav txim thiab ntau yam ntawm tej yam yooj yim cov khoom. Nyob rau hauv sib nqus cov tub ntxhais coated tooj liab hlau coils teev seem li ntawd cov lus xaus yuav rau lub txaus thiab lub qhov winding.

Zog hloov lwm lub tsev mus rau lub thib ob winding yog ua nyob rau hauv ib tug contactless yam. Muaj cov twb yuav luag yuav ntshiab yuav ua li cas mus saib hauv lub transformer. Ib yam li ntawd prozvanivat pa inductance ohmmeter. Lub coils tsim ib tug tsis kam hais tias yuav ntsuas. Txawm li cas los, qhov no txoj kev yog muaj feem xyuam thaum lub hom phiaj tus nqi yog paub. Tseeb, tus kuj tej zaum yuav txawv los yog cia li ib tug tshwm sim ntawm cov cua kub. Qhov no yog hu ua tus interturn luv luv Circuit Court.

Xws li ib tug ntaus ntawv yuav tsis muab cov kev siv voltage thiab tam sim no. Ohmmeter yuav tsuas qhib Circuit Court los yog tuag luv luv. Ntxiv diagnostic siv los ntawm lub earthing tib ohmmeter. Yuav ua li cas mus saib hauv lub transformer windings tsis paub txog kev tshawb pom?

Qhov no yog txiav txim los ntawm lub thickness ntawm cov tawm nyob ntawm tej. Yog hais tias lub transformer yog poob, lub davhlau ya nyob twg conductors ntawm cov hlau lead yuav thicker. Thiab raws li, nyob rau hauv tsis tooj: nyob rau hauv cov kauj ruam-up tswv yim ntawm tej thicker. Yog hais tias ob winding tso zis, lub thickness tej zaum yuav tib yam, nws yuav tsum tau nco ntsoov hais tias hais txog nws. Qhov zoo tshaj plaws txoj kev mus saib tau tus ntawv thiab nrhiav cov khoom specifications.

hom

Transformers raug muab faib mus rau hauv lub nram qab no pab pawg:

• Tej thiab raising.
• Hwj chim feem ntau ua rau txo tau cov mov voltage.
• Tam sim no transformers rau muab ib qhov tam sim no rau tus neeg thiab nws cov tuav nyob rau hauv ib predetermined ntau yam.
• Single- thiab multi-theem.
• Vuam hom phiaj.
• Pulse.

Nyob ntawm seb lub hom phiaj ntawm cov khoom yog hloov thiab lub hauv paus ntsiab lus ntawm tus mus kom ze rau lo lus nug ntawm yuav ua li cas mus saib hauv lub transformer. Multimeter tau rau kauj tsuas yog me me-sized ntaus ntawv. Fais fab cav twb yuav tsum tau ib tug txawv mus kom ze rau troubleshooting.

saab laaj txoj kev

ohmmeter txoj kev mob yuav pab nrog rau lo lus nug ntawm yuav ua li cas kom paub tseeb lub hwj chim transformer. Prozvanivat kuj ntawm pib ntawm ib tug winding. Yog li lub sam xeeb ntawm tus neeg xyuas pib txheej. Ua ntej ntawd lub cev nqa tawm inspections rau hauv lub qhaj ntawv ntawm cov pa roj carbon deposits, sagging vim cov cua kub cov khoom.

Tom ntej no, ntsuas qhov tam sim no tus nqi nyob rau hauv ohms thiab muab piv rau lawv nrog rau cov phau ntawv hla tebchaws. Yog hais tias cov neeg no tsis muaj, nws yuav tsum tau ntxiv diagnostics energized. Prozvonit pom zoo txhua txhua tso zis ntaus ntawv mus rau lub hlau vaj tse, uas yog kev cob cog rua hauv av.

Ua ntej mus rau lub ntsuas, disconnect tag nrho cov qhov xaus ntawm lub transformer. Disconnect los ntawm lub saw, thiab lawv yuav tau pom zoo rau lawv tus kheej muaj kev ruaj ntseg. Tsis tas li ntawd mus saib cov nyob rau ntawm ib tug hluav taws xob Circuit Court, uas yog feem ntau tam sim no nyob rau hauv niaj hnub qauv ntawm lub hwj chim. Nws yuav tsum tau tseem yuav vypayat ua ntej kev kuaj.

Infinite kuj qhia tag nrho cov rwb thaiv tsev. Qhov tseem ceeb ntawm ib tug ob peb kilohms twb deev suspicion txog lub neej puas lub vaj tse. Nws kuj tau vim sau av, plua tshauv los yog dej nyob rau hauv cov huab cua kis ntawm tus dais.

nyob

Tests yog nqa tawm nrog lub hwj chim yog nkag thaum uas muaj ib lo lus nug txog yuav ua li cas mus saib hauv lub transformer interturn luv luv Circuit Court. Yog hais tias peb paub tus nqi ntawm cov mov voltage ntaus ntawv, uas yog tsim los rau ib tug transformer, cov voltmeter ntsuas tus nqi ntawm idling. Uas yog, ua nyob ntawm tej yog nyob rau hauv cov huab cua.

Yog hais tias lub voltage yog txawv los ntawm lub nominal, nws yog xaus lus Winding luv luv Circuit Court nyob rau hauv lub windings. Yog hais tias thaum lub sij hawm kev lag luam audible Crackle, arcing, xws li ib tug transformer yog zoo dua mus tua. Nws yog faulty. Muaj tolerances nyob rau hauv cov kev ntsuam:

• Rau cov voltage qhov tseem ceeb tej zaum yuav txawv los ntawm 20%.
• Rau kuj npaum li cas yog nyob rau hauv ntau ntawm qhov tseem ceeb 50% ntawm cov phau ntawv hla tebchaws.

metering ammeter

Wb to taub yuav ua li cas mus saib hauv lub tam sim no transformer. Nws muaj nyob rau hauv cov saw hlau ntawm tag nrho cov sij hawm los yog nws tus kheej-ua. Nws yog ib qho tseem ceeb tias tam sim no tus nqi yog tsis tsawg tshaj li tus nominal. ammeter ntsuam nqa tawm nyob rau hauv cov thawj Circuit Court thiab lub thib ob.

Tam sim no indications muab los piv nrog cov theem nrab mus rau lub thawj Circuit Court. Ntau precisely, lub muab faib thawj qhov tseem ceeb ntsuas ntawm lub qhov winding. Lub transformation piv yuav tsum tau coj los ntawm cov phau ntawv, thiab los sib piv nrog cov uas tau los ntawm suav. Cov kev tshwm sim yuav tsum tau tib yam.

Tus tam sim no transformer tsis tau ntsuas ntawm kaw. Nyob rau theem nrab sab nyob rau hauv cov ntaub ntawv no muaj peev xwm yuav tsim nyob rau siab dhau heev lawm voltages uas yuav ua kev puas lub rwb thaiv tsev. Koj yuav tsum tau soj ntsuam cov polarity, uas yuav cuam tshuam rau lub lag luam ntawm tag nrho cov xov.

qhov teeb meem

Ua ntej koj yuav mus saib lub transformer microwave, muab heev breakdowns yam uas yog tsau tsis muaj ib tug multimeter. Feem ntau hwj chim pab kiag li lawm tsis vim muaj ib tug luv luv Circuit Court. Nws yog tsim los ntawm lub soj ntsuam ntawm Circuit Court laug cam, connectors, kev sib txuas. Tsawg txhua yam kev puas tsuaj tshwm sim transformer vaj tse nyob thiab cov tub ntxhais.

Neeg kho tshuab coj ntawm lub tebchaw ntawm lub transformer terminals nyob rau tsiv tshuab tshwm sim. Loj mov Winding yuav tsum tau tas li txias. Nyob rau hauv nws qhaj ntawv, tej zaum yuav overheat thiab yaj lub rwb thaiv tsev.

TDKS

Peb saib yuav ua li cas mus xyuas koj mem tes transformer. Ib ohmmeter yuav tsum tau tsim muaj xwb lub sam xeeb ntawm lub windings. Lub efficiency ntawm tus dais yog tsim los ntawm txuas ib tug Circuit Court, nyob rau lub capacitor yog muab kev koom tes, cov load thiab lub suab generator.

Thaum pib mus txog cov thawj winding mem tes teeb liab nyob rau hauv ntau ntawm 20 mus rau 100 kHz. Nyob rau tib lub theem nrab winding ua ntsuas ntawm qhov ntau oscilloscope. Tsim kom muaj cov xub ntiag ntawm mem tes distortion. Yog hais tias lawv tsis yog, ua rau cov lus xaus hais txog cov ntaus ntawv.

Waveform distortion hais propped windings. Repairing xws li yog tsis pom zoo ntawm nws tus kheej. Lawv teem nyob rau hauv cov kev kuaj. Nws muaj lwm yam schemes tseeb mem tes transformers, qhov twg nais maum kuaj rau lub xub ntiag ntawm resonance coils. Nws tsis tuaj kawm ntawv qhia ib tug malfunction ntawm lub ntaus ntawv.

Nws yog tseem tau los sib piv qhov zoo ntawm pulses txhab khoom mus rau cov thawj winding thiab cov theem nrab sawv. Sib txawv nyob rau hauv daim ntawv kuj hais txog cov transformer malfunction.

ob peb windings

Rau kuj ntsuam ntawm free xaus ntawm qhov hluav taws xob sib txuas. Xaiv cov davhlau ya nyob twg thiab yog ntsuas tus txheeb ze rau tag nrho lwm cov kuj. Nws yog pom zoo kom sau tus nqi thiab cim-kuaj lub tswv yim.

Yog li ntawd peb yuav txiav txim seb lub hom winding kev twb kev txuas: nrog qhov nruab nrab uas nrhiav tau, yog tsis muaj lawv, cov kev twb kev txuas taw tes. Ntau zaus nrog cov cais windings kev twb kev txuas. Cov kev ntsuas yuav tsum ua li cas xwb nrog ib tug ntawm cov nyob ntawm tej.

Yog hais tias muaj yog ib qho chaw, cov kuj ntsuam ntawm tag nrho cov conductors. Ob tug nruab nrab winding davhlau ya nyob twg yuav muaj qhov tseem ceeb ntawm tsuas yog peb nyob ntawm tej. Ob peb cov lus xaus yog pom nyob rau hauv transformers tsim los khiav lag luam nyob rau hauv ob peb tes hauj lwm denomination los ntawm 110 los yog 220 volts.

diagnostics nuances

Hum thaum lub transformer yog tsis yog hais tias qhov no tej ntaus ntawv. Tsuas yog sparking thiab crackling qhia ib qho teeb meem. Feem ntau, thiab cov cua kub coils - qhov no yog ib qho lag luam ntawm lub transformer. Feem ntau cov feem ntau nws tshwm sim nyob rau hauv txos kiag li lawm.

Resonance yuav tsum tsim thaum cov vibrating lub cev transformer. Ces nws yuav tsum yooj yim rau kev txhim kho lub insulating cov ntaub ntawv uas. Ua hauj lwm windings txawv ho nrog dim de nruj los yog qias neeg hu. Feem ntau cov teeb meem yog solved los ntawm stripping hlau mus ci thiab qhwv nrog cov tshiab tshawb pom.

Thaum ntsuas voltage thiab tam sim no qhov tseem ceeb yuav tsum coj mus rau hauv tus account lub ambient kub, qhov luaj li cas thiab qhov xwm ntawm tus load. Control ntawm lub mov voltage no kuj tsim nyog. lub zaus ntawm kev twb kev txuas xeem yog yuav tsum tau. Neeg Esxias thiab American technology tsim rau 60 Hz, uas ua rau ib tug muaj tsawg tsawg heev tso zis qhov tseem ceeb.

Phem kev twb kev txuas ntawm lub transformer yuav ua rau malfunction ntawm lub ntaus ntawv. Nyob rau hauv txhua rooj plaub tsis cob cog rua windings ntawm lub DC voltage. Cov lem sai sai oplavyatsya txwv tsis pub. Raug nyob rau hauv ntsuam thiab competent kev twb kev txuas yuav tsis tsuas tau nrhiav tau qhov ua rau ntawm lub tsis ua hauj lwm, tiam sis tej zaum tshem tawm nws nyob rau hauv ib tug tsis mob yam.