DC Circuit Breaker yog dab tsi?

DC Circuit Court breaker yog hais txog lub Circuit Court breaker siv nyob rau hauv DC fais fab faib system, uas tuaj yeem tiv thaiv cov khoom siv hluav taws xob khiav ntawm DC lub zog.Nws yog feem ntau haum rau hnub ci photovoltaic lub zog tsim hluav taws xob thiab hluav taws xob faib hluav taws xob, roj teeb lub zog cia tshuab, thiab lub zog tshiab tsheb DC charging systems.Slocable lub hnub ci DC Circuit Court breakersyog tsim los tiv thaiv cov cables nyob nruab nrab ntawm txhua pab pawg ntawm PV modules thiab PV inverters los ntawm overload thiab luv-circuit DC circuits, thiab raug ntsia rau hauv txoj hlua PV tiv thaiv enclosures ntawm qhov kawg ntawm txhua txoj hlua ntawm PV modules.

Lub input fais fab davhlau ya nyob twg ntawm DC Circuit Court breaker yog ib qho system ntawm cov hluav taws xob ncaj qha.General DC Circuit Court breakers suav nrog DC MCB (DC me me Circuit Court breaker), DC MCCB (DC molded case circuit breaker) thiab hom B RCD (cov khoom seem tam sim no).

DC Miniature Circuit Breaker (DC MCB)

DC me me Circuit Court breakers yog tsim los rau DC Circuit Court daim ntawv thov rau overcurrent thiab luv luv Circuit Court tiv thaiv nyob rau hauv cov khoom siv los yog cov khoom siv hluav taws xob.DC mini Circuit Court breakers tau nruab nrog cov hlau nplaum tshwj xeeb uas yuam cov arc rau hauv qhov arc thiab tua cov arc hauv lub sijhawm luv luv.

DC Circuit Court tuaj yeem kaw rau hauv OFF txoj haujlwm los ntawm kev siv lub ntsuas phoo los ntawm kev ntsuas kev nyab xeeb rau kev rhuav tshem PV inverter.Vim tias qhov txhaum tam sim no tuaj yeem ntws mus rau qhov sib txawv ntawm qhov kev khiav hauj lwm tam sim no, DC Circuit Court breaker tuaj yeem ntes thiab tiv thaiv txhua qhov kev khiav dej num bidirectional.Nyob rau hauv txhua rooj plaub, yuav tsum tau ua sai sai nyob rau hauv lub tshav pob kom tshem tawm qhov txhaum tam sim no.

DC me me Circuit Court breakers yog tsuas yog siv nyob rau hauv DC system daim ntaub ntawv xws li lub zog tshiab, hnub ci photovoltaic thiab hnub ci roj teeb lub zog cia systems.Lub xeev voltage ntawm DC mini Circuit Court breaker feem ntau yog DC 12V-1500V.

DC MCB thiab AC MCB muaj qhov ua haujlwm zoo ib yam, qhov sib txawv tseem ceeb yog lub cev tsis zoo ntawm cov khoom.Ntxiv mus, qhov kev siv scenarios ntawm AC MCB thiab DC MCB txawv.

Lub AC Circuit Court breaker yog cim rau ntawm cov khoom raws li LOAD thiab LINE, thiab DC Circuit Court breaker cim cim rau ntawm cov khoom raws li qhov zoo (+), tsis zoo (-) cov cim thiab cov kev taw qhia tam sim no.

Lub luag haujlwm ntawm DC Mini Circuit Breakers yog dab tsi?

Tib yam kev tiv thaiv thermal thiab sib nqus raws li AC Circuit Court breakers siv rau DC me me Circuit Court breakers:

Kev tiv thaiv cua sov tawm mus rau DC mini Circuit Court breaker thaum tam sim no tshaj qhov ntsuas tus nqi.Nyob rau hauv no kev tiv thaiv mechanism, lub bimetallic hu thermally nthuav thiab mus rau lub Circuit Court breaker.Kev tiv thaiv thermal ua haujlwm sai dua vim tias muaj cua sov ntau dua los nthuav thiab qhib qhov hluav taws xob sib txuas thaum tam sim no siab heev.Kev tiv thaiv thermal ntawm DC Circuit Court breakers tiv thaiv overload tam sim no me ntsis siab dua li cov kev khiav hauj lwm tam sim no.

Sib nqus kev tiv thaiv mus ncig DC MCBs thaum muaj kev txhaum tam sim no, thiab cov lus teb yeej ib txwm muaj.Raws li nrog AC Circuit Court breakers, lub peev xwm tawg ntawm DC Circuit Court breakers sawv cev rau qhov tseem ceeb tshaj plaws tam sim no uas tuaj yeem cuam tshuam.Rau lub DC mini breaker, qhov thaiv tam sim no tsis tu ncua, uas txhais tau hais tias lub Circuit Court breaker yuav tsum qhib cov hluav taws xob txuas ntxiv kom cuam tshuam qhov txhaum tam sim no.Sib nqus kev tiv thaiv ntawm DC me me Circuit Court breakers tiv thaiv ntau yam ntawm luv luv circuits thiab faults tshaj overloads.

Vim li cas DC Solar Circuit Breakers tseem ceeb rau PV Systems?

Photovoltaic systems muaj lub peev xwm los ua lub zog txuas ntxiv dua tshiab.Ib lossis ntau lub hnub ci vaj huam sib luag tuaj yeem siv tau, lossis lawv tuaj yeem ua ke siv cov inverters thiab lwm yam khoom siv hluav taws xob thiab khoom siv.PV systems yuav tsum tau khaws cia ntawm txhua tus nqi, thiab txhua qhov xwm txheej me tuaj yeem nce mus rau qhov teeb meem loj rau tag nrho cov kab ke.

Yog li, DC hnub ci hluav taws xob hluav taws xob hluav taws xob yog ib feem tseem ceeb ntawm cov tshuab hluav taws xob photovoltaic, thiab kev tiv thaiv thermal tuaj yeem pab hauv cov xwm txheej tam sim no.Sib nqus kev tiv thaiv hauv lub hnub ci DC Circuit Court breakers tuaj yeem mus rau lub hnub ci hluav taws xob hluav taws xob thaum muaj ntau qhov txhaum tam sim no.DC Circuit Court breakers tuaj yeem cuam tshuam qhov cuam tshuam tam sim no txawm tias qhov xwm txheej hnyav tshaj plaws.Kev tiv thaiv hlau nplaum yog qhov tseem ceeb hauv DC breakers vim nws tiv thaiv luv luv Circuit Court thiab lwm yam tsis ua haujlwm.

Photovoltaic Circuit Court breakers yog qhov tseem ceeb hauv lub hnub ci PV vaj huam sib luag.Lub voj voog ntawm lub hnub ci vaj huam sib luag yog ib qho khoom kim heev ntawm photovoltaic system.Yog li ntawd, nws yog ib qho tseem ceeb los tiv thaiv lawv nrog lub hnub ci PV Circuit Court breaker.PV DC Circuit Court breakers kuj tiv thaiv Circuit Court thiab Circuit Court boards.Nws tuaj yeem hloov lub hnub ci hluav taws xob mus rau tam sim no ncaj qha los ntawm lub hnub ci vaj huam sib luag, thiab kev teeb tsa photovoltaic yuav tsum tau siv PV Circuit Court breakers.

Rau cov tsheb fais fab, lawv cov roj teeb tuaj yeem them tau siv lub tsheb fais fab them chaw nres tsheb.Yog li cov tshuab no xav tau DC MCBs kom tsis txhob muaj xwm txheej vim lawv txhua tus yuav tsum siv tam sim no ncaj qha, hnub ci vaj huam sib luag thiab lub tsheb hluav taws xob ua haujlwm zoo ua ke, thiab tsis tas yuav hloov cov tam sim no ncaj qha mus rau qhov hloov pauv tam sim no, uas tuaj yeem tswj tau yooj yim siv lub tshuab hluav taws xob. DC Circuit Court breaker system teb sai.

Lwm Hom DC Circuit Breaker - DC Moulded Case Circuit Breaker (DC MCCB)

DC molded case Circuit Court breakers yog zoo tagnrho rau lub zog cia, tsheb thauj mus los thiab muaj DC circuits.Moulded case Circuit Breakers yog tsim los ua kom tau raws li qhov xav tau ntawm kev ua haujlwm siab tshaj plaws, thaum muaj ntau yam khoom siv los ua kom haum rau ntau qhov kev qhia tshwj xeeb.Niaj hnub no DC MCCBs tau nthuav dav daim ntawv thov suav nrog hnub ci photovoltaics, hluav taws xob tsheb them chaw nres tsheb, roj teeb cia thiab UPS systems, thiab kev lag luam thiab kev lag luam DC fais fab tuag.

DC MCCB muaj qhov ua haujlwm zoo ib yam li AC MCCB, thiab muaj kev tiv thaiv ntau dhau thiab kev tiv thaiv luv luv rau cov khoom siv hluav taws xob tam sim no.

Lawv kuj tau siv nyob rau hauv ungrounded roj teeb-powered circuits rau thaum muaj xwm ceev backup thiab backup hwj chim.Muaj txog li 150A, 750 VDC thiab mus txog 2000A, 600 VDC.Rau DC Circuit Court breakers siv nyob rau hauv av photovoltaic systems nyob rau hauv lub hnub ci kev teeb tsa, daim ntawv thov engineering thiab xyuas xyuas kom meej tias kev tiv thaiv yuav tsum tau ua.

DC Moulded Case Circuit Breaker yog ib qho khoom siv tiv thaiv hluav taws xob tiv thaiv hluav taws xob, kev thauj mus los thiab kev lag luam DC circuits.Lawv tuaj yeem siv rau hauv av lossis tsis muaj av, ua tau raws li qhov siab dua qhov hluav taws xob thiab qis qis tam sim no ntawm cov tshuab hnub ci.Slocable manufactures high-voltage DC Circuit Court breakers uas muab kev ua tau zoo dua thiab pab kom tus nqi qis, Slocable's MCCB DC breakers xa mus txog 150-800A, 380V-800V DC thiab ua tau raws li cov qauv nruj.

Qhov sib txawv ntawm AC thiab DC Circuit Breaker

Qhov sib txawv tseem ceeb ntawm qhov tam sim no ncaj qha thiab hloov pauv tam sim no yog qhov tso zis hluav taws xob ntawm qhov hluav taws xob ncaj qha yog qhov tsis tu ncua.Nyob rau hauv sib piv, qhov voltage tso zis nyob rau hauv alternating tam sim no cycles ob peb zaug ib ob, thiab lub teeb liab ntawm alternating tam sim no yog tas li hloov nws tus nqi txhua ob.Lub Circuit Court breaker arc yuav raug tua ntawm 0 V thiab lub Circuit Court yuav raug tiv thaiv los ntawm cov tam sim no siab.Tab sis lub teeb liab ntawm DC tam sim no tsis hloov pauv, nws ua haujlwm tsis tu ncua, thiab tus nqi hluav taws xob hloov pauv tsuas yog thaum lub voj voog ncig lossis lub voj voog poob rau qee yam nqi.

Txwv tsis pub, DC Circuit Court yuav muab tus nqi hluav taws xob tas li rau ib thib ob ib feeb.Yog li, nws tsis pom zoo kom siv AC Circuit Court breaker hauv DC lub xeev vim tsis muaj 0-volt point hauv DC lub xeev.

Kev ceev faj thaum yuav Circuit Court breakers

Vim hais tias cov txheej txheem tiv thaiv rau AC thiab DC tam sim no yog ze li qub, cov khoom siv hluav taws xob tshwj xeeb tau tsim los siv ob qho tib si.Txawm li cas los xij, nws yog ib qho tseem ceeb uas yuav tsum tau kuaj xyuas ob zaug tias cov khoom siv hluav taws xob thiab hluav taws xob hluav taws xob yog tib yam tam sim no.Yog tias koj tso lub tshuab hluav taws xob tsis raug, qhov kev teeb tsa yuav tsis muaj kev tiv thaiv txaus thiab kev sib tsoo hluav taws xob yuav tshwm sim.

Lwm qhov tseem ceeb uas yuav tsum xav txog yog qhov ntsuas tam sim no ntawm cov cables txuas DC mini Circuit Court breaker rau cov khoom siv hluav taws xob tiv thaiv.Txawm hais tias koj teeb lub DC breaker kom raug, cov kab hluav taws xob tsis zoo tuaj yeem overheat, yaj lawv cov rwb thaiv tsev thiab ua rau hluav taws xob tsis ua haujlwm.

DC Circuit Court breakers tsis yog siv ntau li AC Circuit Court breakers, tab sis tseem ceeb heev.DC MCBs yog cov thev naus laus zis tshiab, vim tias cov khoom siv hauv tsev feem ntau khiav ntawm kev hloov tam sim no.Hnub ci DC Circuit Court breakers ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv hluav taws xob ntawm cov nqi hluav taws xob txuag hluav taws xob xws li LED teeb, photovoltaic solar panels, thiab hluav taws xob tsheb.Raws li cov thev naus laus zis no ncav cuag ntau tus neeg siv khoom, lub hnub ci hluav taws xob hluav taws xob yuav muaj kev lag luam loj dua.Ntawm qhov tod tes, DC Circuit Court breakers yog cov cuab yeej tsim tau zoo thiab paub zoo hauv kev lag luam, thiab lawv ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv cov tshuab ua haujlwm siab thiab arc vuam.

Thaum lub tshuab hluav taws xob xav tau kev siv lub tshuab hluav taws xob ncaj qha tam sim no, nws feem ntau pom zoo kom khaws cov kev pabcuam ntawm cov kws tshaj lij engineers thiab cov kws tshaj lij los xyuas kom meej tias koj tuaj yeem xaiv thiab nruab qhov tsim nyog DC Circuit Court breaker.