Nyob rau hauv lub ntiaj teb ntawm lub tshuab hluav taws xob, qhov tseeb thiab kev nyab xeeb yog qhov tseem ceeb tshaj plaws. Yog qhov twgCov hloov pauv tam sim no (CTS)Los rau hauv kev ua si. Txawm hais tias koj ua haujlwm nrog cov khoom siv hluav taws xob, cov hluav taws xob, lossis lub tsev fais fab hauv tsev, CTS yog qhov kev tiv thaiv, thiab ua kom muaj kev ruaj ntseg tag nrho ntawm cov khoom siv hluav taws xob.
Tab sis dab tsi raws nraim tam sim no hloov tau, lawv ua haujlwm li cas, thiab vim li cas lawv thiaj li tseem ceeb hauv hluav taws xob? Cia peb ntsaub mus rau hauv lub ntiaj teb ntawm CTS thiab tshawb txog lawv lub luag haujlwm tseem ceeb hauv niaj hnub hluav taws xob.
Dab tsi yog tus hloov pauv tam sim no (CT)?
A Hloov pauv tam sim no(CT) yog hom transformer siv los ntsuas thiab saib xyuas qhov tam sim no ntws los ntawm tus neeg saib xyuas lossis Circuit Court. Tsis zoo li voltage transformers uas ntsuas voltage, cts yog tsim los ntsuas kom qis dua, ntau txoj kev tswj hwm. Qhov no tso cai rau cov tshuab, hluav taws xob, thiab kev soj ntsuam kev soj ntsuam los ntsuas tam sim no muaj kev nyab xeeb thiab raug.
CTS ua haujlwm los ntawm kev siv lub hauv paus ntsiab lus ntawm indcromagnetic induction. Lawv tsim cov feem sib npaug hauv qib siab tam sim no nyob rau hauv teb rau qhov kev ntws tam sim no hauv thawj tus neeg kos npe. Qhov thib ob tam sim no tuaj yeem ntsuas kev nyab xeeb thiab siv rau ntau yam kev siv xws li metering, tiv thaiv, thiab kev tshuaj xyuas, thiab kev tshuaj xyuas.
Yuav ua li cas tam sim no hloov ua haujlwm tam sim no?
Txhawm rau kom nkag siab txog kev ua haujlwm ntawm CT, nws yog pab tau los xav txog nws ua "kauj ruam {{}} down tshwj xeeb tau tsim rau tam sim no tsis yog siv hluav taws xob tam sim no ntau dua li qhov tam sim no tsis yog siv hluav taws xob. Ntawm no yog yuav ua li cas nws ua haujlwm:
Tseem Circuit Court: Thawj zaug tam sim no ntws los ntawm tus thawj coj, uas kis dhau ntawm qhov tseem ceeb ntawm tus hloov pauv tam sim no. Tus thawj coj no tuaj yeem yog ib qho xaim lossis tsheb npav, nyob ntawm kev teeb tsa.
Sib Nqus Tawg Lawm: Thaum tam sim no ntws los ntawm thawj tus neeg saib xyuas, nws tsim kev sib nqus ncig nws. Qhov kev sib nqus no muaj cov ntsiab lus nyob hauv qhov tseem ceeb ntawm CT.
Kev tsim txom cov theem nrab tam sim no: Lub sib nqus flux nyob rau hauv cov tseem ceeb induces tam sim no nyob rau theem ob ntawm CT. Qhov thib ob tam sim no yog ib feem proport rau thawj tam sim no, tab sis ntawm qib qis dua.
Kev Ntsuas Thiab Kev Tshuaj Xyuas: Qhov thib ob tam sim no tau rhais mus rau cov cuab yeej ntsuas lossis kev tiv thaiv kev tiv thaiv, qhov chaw nws tuaj yeem saib xyuas. Feem ntau, cov thib ob tam sim no yog scaled - down down down version ntawm thawj tam sim no, ua rau nws yooj yim dua thiab nyab xeeb.
Qhov sib piv ntawm thawj qhov ua tiav rau theem nrab yog xa mus rau raws li tusCt Piv Txwv(Piv txwv li, CT nrog ib feem ntawm 100: 5 txhais tau tias rau txhua 100 amps ntws los ntawm thawj, 5 amps yuav ntws hauv theem ob).
Vim li cas cov hloov pauv tam sim no tseem ceeb?
Kev nyab xeeb hauv cov chaw siab loj: Ib qho ntawm thawj qhov laj thawj rau kev siv CTS yog kev nyab xeeb. Ntsuas cov dej siab ncaj qha rau hauv qhov siab-} voltage ib puag ncig yuav ua rau muaj kev phom sij. CTS muab txoj kev nyab xeeb los saib xyuas qhov tam sim no tsis muaj cov kws tshaj lij lossis cov khoom siv rau tus thawj tam sim no.
Yog Muaj Peev Xwm: CTS tau siv dav rau kev siv hluav taws xob hauv kev ua lag luam thiab kev lag luam. Los ntawm kev hloov siab siab rau hauv kev ntsuas cov khoom siv tau yooj yim, CTS ua rau nws muaj peev xwm kom raug rau kev siv hluav taws xob kev puas tsuaj tam sim no.
Kev Tiv Thaiv Cov Tshuab: Cov hloov pauv tam sim no yog qhov tseem ceeb ntawm cov khoom siv hluav taws xob. Lawv pab tiv thaiv cov khoom siv hluav taws xob los ntawm ntau dua thiab muaj cov voj voog luv luv los ntawm muab cov ntaub ntawv tiag tiag los tiv thaiv kev xa tawm. Thaum cov qib txawv txav tam sim no, lub ct tuaj yeem ua rau cov txheej txheem tiv thaiv hluav taws xob zoo li cov kab hluav taws xob, tiv thaiv kev puas tsuaj rau lub system.
Saib Xyuas Thiab Tswj: CTS pab tau tiag tiag - lub sijhawm xyuas cov tshuab hluav taws xob. Los ntawm kev pub mis los saib xyuas cov ntaub ntawv tshuaj xyuas, CTS kev pab hauv kev tshawb xyuas qhov ua txhaum, tsis xwm yeem, thiab cov hluav taws xob hluav taws xob. Qhov no yog qhov tseem ceeb rau kev saib xyuas kev tiv thaiv thiab kev ua haujlwm tau zoo.
Kev ntseeg tau thiab ntev -} sij hawm ua haujlwm: Qhov tseeb thiab kev ntseeg tau ntawm CTS ua rau lawv tsis tseem ceeb rau kev ua kom muaj kev ua tau ntev {}}} lub sij hawm kev ua tau ntawm cov tshuab hluav taws xob. Sij hawm dhau los, lawv tuaj yeem pab tiv thaiv kom tiv thaiv cov peev xwm ua kom tshwm sim los ntawm kev tshem tawm overload ntau dua lossis luv dua.
Cov ntawv thov ntawm cov hloov pauv tam sim no
Tam sim no hloov pauv tau siv nyob rau hauv ntau cov chaw teeb tsa thiab cov ntawv thov, suav nrog:
Fais Fab Ntsuas: CTS tau siv dav hauv hluav taws xob lub zog me me rau kev ua lag luam thiab muaj zog them nqi.
Kev Tiv Thaiv Kev Sib Tw: CTS sib xyaw ua ke ntawm kev tiv thaiv cov kab ke, muab cov ntsiab lus khaws cia cov kev saib xyuas thiab kev tiv thaiv hluav taws xob los ntawm ntau dua, ua txhaum, thiab lwm yam kev tsis sib xws, thiab lwm yam kev phem.
Txhaum Kev Txhaum: Yog tias muaj kev txhaum, cov ntaub ntawv los ntawm CTS tuaj yeem siv los nrhiav qhov txhaum thiab ua rau cov lus teb tsim nyog.
Cov kev soj ntsuam tam sim no hauv hluav taws xob: CTS yog siv nyob rau hauv cov chaw thiab xa cov network kom saib xyuas qhov khiav ntawm tam sim no thiab xyuas kom meej tias daim phiaj ua haujlwm tau zoo.
Overcurrent tiv thaiv nyob rau hauv cov hluav taws xob nruab: CTS yog qhov tseem ceeb rau kev kuaj pom thiab teb rau cov xwm txheej overcurrent uas tuaj yeem ua rau cov khoom siv puas lossis ua rau hluav taws phom.
Cov Hom Hloov Khoom Tam Sim No
Cov hloov pauv tam sim no tuaj hauv cov qauv tsim sib txawv, txhua qhov uas haum rau cov ntawv thov tshwj xeeb. Nov yog hom feem ntau:
Bar - hom ct: Hom ntawm CT yog tsim nrog cov tub ntxhais uas tuaj yeem ua raws li lub bar - zoo li tus neeg kos ua si winding. Nws feem ntau siv nyob rau hauv high- kev siv tam sim no thiab hnyav {{3} dute}.
Toroidal CT: Toroidal CTS yog donut - paned thiab yog siv ntau nyob rau hauv me me, compact systems. Lawv muaj tseeb heev thiab tuaj yeem siv rau kev ntsuas cov kev ntsuas hauv metering thiab kev tiv thaiv.
Phua - tus tseem ceeb ct: Cov cts no tuaj yeem qhib thiab muab tso rau ib puag ncig cov kev coj ua uas tsis muaj kev cuam tshuam nrog Circuit Court. Lawv feem ntau yog siv rau retrofitting lossis rau cov xwm txheej uas nws tsis muaj impractical kom txiav lub zog.
Qhov txhab - hom ct: Qhov txhab ntshav {-} hom cts muaj lawv thawj winding ua ib feem ntawm lub ct nws tus kheej. Lawv feem ntau siv hauv nruab nrab thiab qis cov ntawv thov tam sim no, qhov kev txuas ncaj qha rau tus hloov pauv yog qhov tsim nyog.
Cov kev sib tw thiab txij nkawm ntawm cov hloov pauv tam sim no
Thaum hloov pauv tam sim no yog cov ntseeg siab heev, lawv tuaj nrog qee cov kev cov nyom:
Kev txi: Yog tias thawj zaug tseem ceeb tshaj CT's muaj peev xwm, cov tseem ceeb tuaj yeem txhais tau tias nws tsis tuaj yeem ntsuas qhov tseeb tam sim no. Qhov no yog vim li cas xaiv CT nrog txoj kev ntsuas tam sim no yog qhov tseem ceeb.
Kev ua yog: Txhawm rau kom raug qhov tseeb, nws yog ib qho tseem ceeb kom siv siab - zoo cts thiab tswj xyuas lawv kom yog. Sij hawm dhau los, CTS yuav plam kev ntsuas qheb, ua rau nyeem tsis raug. Kev xeem ib txwm thiab ntsuas hluav taws xob yog qhov tseem ceeb kom paub meej tias kev ua tau zoo.
Kev ris nra: Tus "nra" yog hais txog lub nra tso rau ntawm sab thib ob ntawm CT. Yog tias lub nra hnyav dhau lawm, CT yuav ua kom tsawg dua. Nws yog qhov tseem ceeb kom phim rau CT nrog kev tsim nyog lub cev tsim nyog.
Cov Lus Qhia Txij Nkawm Rau CTS:
Kuaj CTS rau cov cim ntawm kev puas tsuaj ntawm lub cev, xeb, lossis hnav.
Xyuas kom meej tias lub voj theem ob yog ib txwm qhib thaum tsis txuas nrog lub ntsuas dej lossis kev tiv thaiv, kom tsis txhob muaj kev phom sij.
Tsis tu ncua kuaj thiab ntsuas cts los tswj kev ntsuas kev ntsuas.
Xaus: Vim li cas cov hloov pauv hloov tam sim no
Cov hloov pauv tam sim no yog lub ntsiab lus tseem ceeb hauv kev nyab xeeb thiab kev ua haujlwm zoo ntawm cov tshuab hluav taws xob. Lawv ua rau nws muaj peev xwm kom muaj kev nyab xeeb saib, ntsuas, thiab kev tiv thaiv hluav taws xob, los ntawm cov tsev nyob rau cov nroj tsuag loj. Los ntawm stepping down high curents rau cov kev tswj hwm qib, CTS ua si ib lub zog loj, thiab kev tiv thaiv uas muaj hluav taws xob ntseeg tau thiab muaj kev nyab xeeb.
Raws li cov hluav taws xob txuas ntxiv mus ntxiv thiab hloov zuj zus, lub luag haujlwm ntawm cov hloov pauv tam sim no tsuas yog ua rau muaj ntau dua. Txawm hais tias koj ua haujlwm hauv lub hwj chim, faib cov ntawv thov, kom tau txais CTS yog qhov tseem ceeb thiab muaj kev nyab xeeb ntawm koj cov chaw hluav taws xob.
