Kev nyab xeeb hluav taws xob nyob ntawm ntau dua li kev tiv thaiv luv luv thiab overloads. Cov dej ntws tam sim no kuj tuaj yeem tsim teeb meem loj, tshwj xeeb tshaj yog thaum cov rwb thaiv tsev puas, cov khoom siv tsis raug, cov dej noo, lossis cov kab hluav taws xob tsis zoo tso cai rau tam sim no ntws los ntawm txoj kev tsis xav tau.
A Hom A Residual Current Circuit Breaker(RCCB) yog tsim los txhawm rau txheeb xyuas cov ntaub ntawv ntawm qhov seem tam sim no thiab txiav tawm ib lub voj voog thaum cov dej xau mus txog nws cov xwm txheej cuam tshuam. Piv nrog rau hom AC ntaus ntawv, nws tuaj yeem teb rau ob qho tib si sinusoidal alternating residual tam sim no thiab teev cov pulsating direct residual tam sim no, ua rau nws haum rau ntau niaj hnub hluav taws xob installation uas muaj cov khoom siv hluav taws xob.
Rau cov neeg cog lus hluav taws xob, cov neeg tsim vaj huam sib luag, cov cuab yeej tsim khoom, thiab cov neeg tswj xyuas kev yuav khoom, kev nkag siab txog pawg tiv thaiv no yog qhov tseem ceeb. Kev xaiv cov cuab yeej raug pab sib npaug ntawm kev tiv thaiv tus kheej, kev ntseeg tau ntawm cov khoom siv, thiab cov kev xav tau ntawm qhov project.
Kab lus no muab cov ntsiab lus zoo ntawm cov qauv kev ua haujlwm, cov ntawv thov, cov txheej txheem xaiv, thiab kev saib xyuas kev coj ua cuam tshuam nrog Hom A RCCBs.
Cov Lus Qhia
1. Hom A Residual Current Circuit Breaker yog dab tsi?
Hom A RCCB yog ib qho kev tiv thaiv kev hloov khoom siv uas saib xyuas qhov sib npaug ntawm cov tam sim no ntws los ntawm cov neeg xyuas pib ntawm lub voj voog. Nyob rau hauv ib txwm ua hauj lwm tej yam kev mob, lub outgoing thiab rov qab tam sim no tshuav nyiaj li cas. Yog tias qee qhov tam sim no khiav tawm los ntawm txoj kev tsis xav tau, qhov tshwm sim tsis txaus ntseeg tuaj yeem kuaj pom los ntawm lub cuab yeej.
Thaum cov seem tam sim no ua tau raws li cov cuab yeej siv tau teev tseg, RCCB txiav tawm qhov kev tiv thaiv Circuit Court. Qhov no yuav pab txo qhov raug hluav taws xob txaus ntshai thiab tuaj yeem muab kev tiv thaiv ntxiv rau hluav taws xob hluav taws xob los ntawm qee qhov kev ua txhaum hauv ntiaj teb.
Yam dab tsi residual tam sim no tuaj yeem kuaj tau Hom A RCCB?
Hom A cov cuab yeej tsim los rau:
- Sinusoidal alternating residual tam sim no:Cov dej ntws tawm nrog cov pa AC waveform.
- Pulsating direct residual tam sim no:Tej yam rectified, unidirectional tam sim no waveforms uas tej zaum yuav tshwm sim nyob rau hauv hluav taws xob khoom siv hluav taws xob thiab khoom siv semiconductor Cheebtsam.
Cov peev xwm kuaj pom no ua rau hom A tiv thaiv muaj txiaj ntsig hauv kev teeb tsa uas muaj cov khoom siv hluav taws xob tam sim no. Txawm li cas los xij, Hom A cov cuab yeej tsis yog cov cuab yeej ntsuas thoob ntiaj teb rau txhua qhov ua tau qhov seem-tam sim no waveform. Cov dej ntws DC du thiab qee zaus muaj feem cuam tshuam txog qhov seem tam sim no yuav xav tau cov cuab yeej tiv thaiv sib txawv.
RCCB vs RCBO: Dab tsi yog qhov txawv?
Ib qho RCCB muab kev tiv thaiv seem-tam sim no tab sis tsis nquag muab ib qho kev tshaj tawm thiab kev tiv thaiv luv luv. Nws yog li ntawd xav tau kev sib koom ua ke tiv thaiv overcurrent, xws li kev xaiv tsim nyog Circuit Court breaker lossis fuse.
Ib qho RCBO muab cov kev tiv thaiv seem-tam sim no nrog kev tiv thaiv overcurrent hauv ib lub cuab yeej. Qhov kev xaiv tsim nyog yog nyob ntawm kev tsim hluav taws xob hauv Circuit Court, muaj qhov chaw faib khoom-board, kev sib koom ua ke, thiab theem ntawm kev sib cais Circuit Court xav tau.
2. Hom A RCCB ua haujlwm li cas?
Lub hauv paus ntsiab lus ntawm kev khiav hauj lwm yog nyob ntawm kev txheeb xyuas qhov tsis sib xws ntawm cov dej ntws los ntawm cov neeg ua haujlwm nyob. Ib tug sensing core saib xyuas cov kev sib nqus sib nqus ntawm cov tam sim no. Thaum cov dej ntws sib npaug, lawv cov kev cuam tshuam tseem ceeb tshem tawm. Thaum lub ntiaj teb leakage txhaum tsim ib qho kev tsis sib haum xeeb, qhov kev hnov mob teb raws li lub cuab yeej tsim.
Yog tias qhov seem tam sim no ncav cuag qhov pib ua haujlwm, lub tripping mechanism qhib cov neeg sib cuag thiab disconnects Circuit Court.
Ib qho piv txwv
Xav txog lub tshuab ntxhua khaub ncaws nrog lub tshuab hluav taws xob tswj. Yog tias cov rwb thaiv tsev puas tso cai rau tam sim no xau mus rau qhov cuam tshuam los yog txoj hauv kev hauv ntiaj teb uas tsis xav tau, qhov tam sim no rov qab los ntawm cov neeg saib xyuas yuav tsis sib npaug ntawm qhov tam sim no. Hom A RCCB tsim nyog tuaj yeem kuaj xyuas qhov cuam tshuam ntawm qhov seem-tam sim no waveform thiab txiav lub voj voog.
Cov lus teb tiag yog nyob ntawm qhov ua txhaum waveform, residual khiav hauj lwm tam sim no, ntaus yam ntxwv, thiab installation tej yam kev mob. RCCB tsis tiv thaiv txhua qhov kev sib tsoo hluav taws xob, thiab kev tiv thaiv tseem nyob ntawm kev xaim kom raug, av av, khoom siv, thiab kev tsim hluav taws xob tsim nyog.
Hom A RCCB tsis yog tsim los kuaj xyuas tag nrho cov DC seem tam sim no. Qee yam khoom siv, suav nrog qee qhov sib txawv-ceev tsav thiab lub tsheb hluav taws xob them nyiaj, tuaj yeem tsim cov khoom seem-tam sim no uas xav tau Hom F, Hom B, lossis lwm qhov tshwj xeeb pom zoo kev tiv thaiv. Ib txwm ua raws li cov chaw tsim khoom siv cov lus qhia thiab cov kev cai hauv zos uas siv tau.
3. Vim li cas Hom Kev Tiv Thaiv Residual Tam sim no tseem ceeb?
Txhim kho kev tiv thaiv hluav taws xob
Residual-tam sim no kev tiv thaiv tuaj yeem cuam tshuam qhov cuam tshuam tsis zoo ua ntej qhov xwm txheej txaus ntshai tshwm sim. Cov cuab yeej siv nrog 30 mA nyob rau qhov kev ua haujlwm tam sim no feem ntau siv rau kev tiv thaiv ntxiv hauv cov ntawv thov uas yuav tsum tau ua los ntawm cov lej hluav taws xob. Qhov kev ntsuam xyuas tsim nyog yuav tsum tau lees paub tiv thaiv cov kev teeb tsa tshwj xeeb thiab cov cai hauv zos.
Txhawb kev teeb tsa nrog cov khoom siv hluav taws xob
Cov tshuab hluav taws xob niaj hnub no muaj cov khoom siv hluav taws xob hluav taws xob, cov khoom siv hluav taws xob, thiab kev tswj xyuas hluav taws xob uas tuaj yeem tsim cov hluav taws xob DC seem. Hom A RCCB yog tsim los kuaj xyuas cov ntaub ntawv tam sim no ntxiv rau qhov sinusoidal AC seem tam sim no.
Pab txo qee yam phom sij
Lub ntiaj teb to tshwm sim los ntawm kev puas tsuaj los ntawm cov rwb thaiv tsev los yog cov hlau puas tuaj yeem tsim hluav taws xob txaus ntshai. Kev xaiv raug xaiv qhov seem-tam sim no tiv thaiv tuaj yeem pab txo lub sijhawm ntawm qee qhov kev ua txhaum cai. Txawm li cas los xij, nws tsis yog qhov hloov pauv rau kev tiv thaiv overcurrent, tiv thaiv arc-fault qhov twg xav tau, kev sib txuas zoo, lossis kev ntsuas hluav taws xob tsim nyog.
Txhawb kev ntseeg tau hluav taws xob tsim qauv
Cov cuab yeej tiv thaiv tau teev tseg kom raug pab cov neeg cog lus thiab cov thawj coj hauv tsev tsim cov tshuab ua kom txaus siab rau kev tsim qauv thaum txo qis kev cuam tshuam. Kev tsim nyog rhiab heev, kev sib koom ua ke hauv Circuit Court, thiab kev sib koom ua ke ntawm cov cuab yeej yog qhov tseem ceeb tshwj xeeb hauv cov tsev lag luam thiab kev teeb tsa nrog ntau cov khoom siv hluav taws xob.
4. Hom A RCCBs siv nyob qhov twg?
Hom A tiv thaiv muaj feem cuam tshuam rau ntau qhov kev teeb tsa AC hluav taws xob tsawg, muab qhov kev cia siab ntawm qhov seem-tam sim no waveforms poob rau hauv cov cuab yeej muaj peev xwm.
| Daim ntawv thov | Kev txhawj xeeb ntawm hluav taws xob | Kev xaiv xaiv |
|---|---|---|
| Cov tsev nyob | Cov khoom siv hluav taws xob, hluav taws xob puas, thiab lub ntiaj teb to | Cov kev xav tau hauv zos, rhiab heev, thiab kev teeb tsa hauv Circuit Court |
| Cov chaw ua lag luam | Cov khoos phis tawj, cov khoom siv hluav taws xob hluav taws xob, thiab cov khoom siv hauv chaw ua haujlwm | Load faib thiab txuas ntxiv ntawm kev pabcuam |
| Chaw muag khoom | Cov khoom siv hluav taws xob, kev tswj cov tub yees, thiab cov teeb pom kev zoo | Compatibility nrog cov cuab yeej thiab cov yam ntxwv to |
| Kev cob qhia me me | Cov cuab yeej hluav taws xob thiab xaiv ib-theem machinery | Lub cev muaj zog-tsav yam ntxwv thiab qhov yuav tsum tau ua txhaum tam sim no |
| Tsev faib vaj huam sib luag | Ntau qhov hluav taws xob tawm thiab kev tiv thaiv kev sib koom ua ke | Pole configuration, ntsuas tam sim no, thiab kev tiv thaiv sab saud |
Cov qauv no yog cov lus qhia dav dav, tsis yog daim pam tso cai rau txhua qhov kev teeb tsa. Cov khoom siv nrog inverter, tsav tsheb, lossis cov khoom siv hluav taws xob tshwj xeeb tuaj yeem tsim cov hluav taws xob seem dhau ntawm Hom A lub peev xwm tshawb pom. Cov chaw tsim khoom cov lus qhia thiab kev teeb tsa tsim yuav tsum txiav txim siab qhov kev xaiv zaum kawg.
5. Hom A Piv nrog rau lwm hom RCD li cas?
Residual-tam sim no cov cuab yeej raug cais raws li cov ntaub ntawv ntawm cov khoom seem uas lawv tau tsim los kuaj xyuas. Kev xaiv hom raug yog qhov tseem ceeb tshaj qhov tsuas yog xaiv ib lub cuab yeej nrog kev ntsuas tam sim no.
| Ntaus hom | Muaj peev xwm nrhiav tau | Hom Kev Xaiv Cov Ntsiab Lus |
|---|---|---|
| Hom AC | Sinusoidal AC residual tam sim no | Cov ntawv thov uas qhov kev xav tau ua txhaum tam sim no yog sib xws nrog Hom AC thiab cov cai hauv zos tso cai rau nws |
| Hom A | Sinusoidal AC thiab teev cov pulsating DC residual tam sim no | Muaj ntau lub tsev nyob thiab kev lag luam uas muaj cov khoom siv hluav taws xob |
| Hom F | Hom A waveforms ntxiv rau cov khoom sib xyaw-zaus seem seem | Xaiv ib-theem inverter daim ntaub ntawv, raws li cov chaw tsim tshuaj paus kev taw qhia |
| Hom B | Hom A waveforms ntxiv rau cov DC du thiab cov khoom seem uas muaj feem cuam tshuam ntxiv | Cov ntawv thov uas tuaj yeem tsim cov DC seem tam sim no, suav nrog qee cov hloov pauv thiab cov tshuab tsav |
Hom F thiab Hom B cov yam ntxwv tau hais nyob rau hauv IEC 62423, uas ntxiv cov kev cai siv rau Hom A cov khoom seem-tam sim no. Cov cuab yeej muaj peev xwm tiag tiag nyob ntawm seb tus qauv tsim nyog, cov khoom specification, thiab cov kev xav tau ntawm kev teeb tsa.
Vim li cas Hom A tsis tas li txaus?
Qee cov khoom siv hluav taws xob hloov pauv tuaj yeem tsim cov DC seem tam sim no. Xws li tam sim no tuaj yeem cuam tshuam nrog kev ua haujlwm raug ntawm hom A ntaus ntawv raws li qee yam xwm txheej. Qhov twg cov khoom siv cov lus qhia yuav tsum muaj kev tiv thaiv hom B lossis lwm txoj kev npaj, txhim kho Hom A RCCB ib leeg yuav tsis muab kev tiv thaiv.
Rau pab pawg neeg yuav khoom, qhov kev sib txawv no yog qhov tseem ceeb: cov khoom lag luam nominal tam sim no thiab qhov seem ntawm kev khiav hauj lwm tam sim no tsis tsim kom ntseeg tau tias nws cov yam ntxwv tshawb pom yog tsim nyog rau ib qho kev thauj khoom.
6. Koj tuaj yeem xaiv hom A RCCB li cas?
Xaiv ib hom A Residual Current Circuit Breaker yuav tsum ntsuas qhov hluav taws xob tag nrho. Cov txheej txheem hauv qab no pab txo cov kev ua yuam kev tshwj xeeb thiab zam kev xaiv cov cuab yeej uas tsis tsim nyog rau daim ntawv thov npaj.
1. Rated tam sim no (hauv)
Qhov ntsuas tam sim no qhia tias tam sim no RCCB yog tsim los nqa raws li nws cov xwm txheej. Kev ntsuam xyuas cov khoom lag luam muaj xws li 25 A, 40 A, 63 A, thiab cov nqi siab dua, nyob ntawm cov khoom lag luam.
Xaiv qhov ntsuas qhov tsim nyog rau kev tsim hluav taws xob thiab xyuas kom meej tias kev tiv thaiv overcurrent cuam tshuam nrog RCCB qhov ntsuas tam sim no thiab teeb tsa. RCCB qhov ntsuas tam sim no yuav tsum tsis txhob cuam tshuam nrog nws qhov kev ua haujlwm seem seem.
2. Rated residual khiav hauj lwm tam sim no (IΔn)
Tus nqi no qhia txog qhov kev ua haujlwm seem-tam sim no uas tau teev tseg. Cov kev xaiv muaj xws li 10 mA, 30 mA, 100 mA, thiab 300 mA, txawm hais tias muaj txawv ntawm cov khoom thiab kev ua lag luam.
- 30 mA:Feem ntau siv rau kev tiv thaiv ntxiv tiv thaiv hluav taws xob thaum xav tau lossis tsim nyog.
- 100 mA lossis 300 mA:Tej zaum yuav raug siv rau lwm lub hom phiaj tiv thaiv, suav nrog qee qhov dej ntws los yog kev tiv thaiv hluav taws, thaum raug tso cai los ntawm cov cai tsim nyog.
- 10 mA:Siv rau hauv cov ntawv thov xaiv qhov twg cov cuab yeej rhiab dua yog qhov tsim nyog.
Cov txiaj ntsig no tsis yog cov lus pom zoo tsim kev sib hloov. Qhov kev xav tau yuav tsum tau tsim los ntawm cov kev cai uas siv tau, kev npaj hauv av, kev cia siab rau tam sim no, thiab kev tiv thaiv kev ua haujlwm.
3. Tus naj npawb ntawm tus ncej
Cov khoom siv ob-ncej feem ntau yog siv nyob rau hauv ib lub voj voog uas tsim nyog, thaum cov khoom siv plaub-ncej yuav siv tau rau hauv peb-theem circuits. Tus naj npawb ntawm cov ncej, nruab nrab, thiab kev hloov pauv yuav tsum ua raws li cov khoom siv thiab cov lus qhia ntawm cov chaw tsim khoom.
4. Rated voltage thiab zaus
Paub meej tias cov khoom yog tsim rau lub installation qhov ntsuas voltage, theem configuration, thiab zaus. Kev sib raug zoo yuav tsum raug txheeb xyuas siv cov ntaub ntawv cov khoom lag luam es tsis yog kev txiav txim siab los ntawm nws lub cev.
5. Cov qauv thiab cov khoom pov thawj
Rau ntau tsev neeg thiab cov ntawv thov zoo sib xws, IEC 61008-1 nyob rau RCCBs yam tsis muaj kev tiv thaiv overcurrent, thaum IEC 61009-1 nyob rau RCBOs. Tshawb xyuas cov khoom siv tam sim no, kev saws me nyuam hauv teb chaws, cov ntawv pov thawj xav tau, thiab cov ntaub ntawv ua lag luam tshwj xeeb ua ntej kev yuav khoom.
6. Kev teeb tsa ib puag ncig thiab kev sib raug zoo
Xav txog ambient kub, enclosure tej yam kev mob, mounting yuav tsum, lub davhlau ya nyob twg muaj peev xwm, qhov ntau thiab tsawg tus neeg xyuas pib, thiab cov kev cia siab ntawm to taub cov yam ntxwv ntawm kev cob cog rua loads. Qhov twg muaj kev ntxhov siab vim muaj kev txhawj xeeb, tshawb xyuas qhov laj thawj es tsis yog tsuas yog nce qhov seem ntawm kev khiav hauj lwm tam sim no.
- Paub meej tias daim ntawv thov thiab xav tau qhov seem-tam sim no waveform.
- Qhia qhov ntsuas tam sim no thiab ntsuas qhov seem ua haujlwm tam sim no sib cais.
- Paub meej tias tus ncej configuration, voltage, thiab zaus.
- Tshawb xyuas cov qauv tsim nyog, ntawv pov thawj, thiab cov ntaub ntawv thev naus laus zis.
- Tshawb xyuas kev sib koom tes nrog kev tiv thaiv overcurrent thiab lwm yam khoom siv tiv thaiv.
- Thov cov chaw tsim khoom cov lus qhia installation thiab cov ntaub ntawv cov khoom.
7. Koj yuav tsum kuaj dab tsi thaum lub installation?
Kev txhim kho kom raug yog tsim nyog rau qhov seem-tam sim no Circuit Court breaker ua haujlwm raws li qhov xav tau. Kev ua haujlwm hluav taws xob yuav tsum tau ua los ntawm cov neeg ua haujlwm tsim nyog raws li cov cai hauv zos thiab cov chaw tsim khoom cov lus qhia.
Txheeb xyuas cov kab hluav taws xob thiab tus neeg xyuas pib
Xyuas kom meej tias cov conductors tau teev tseg los ntawm cov chaw tsim khoom dhau los ntawm qhov tsim nyog kev ntsuas. Cov neeg nruab nrab nruab nrab yuav tsum raug xa mus kom raug, thiab cov nruab nrab nruab nrab ntawm cov hluav taws xob sib cais yuav tsum tsis txhob cuam tshuam tsis raug. Xws li kev xaim tsis raug tuaj yeem ua rau tsis xav tau lossis cuam tshuam txog kev npaj tiv thaiv.
Coordinate cov cuab yeej tiv thaiv
Vim tias RCCB ib txwm siv tsis tau muab cov khoom siv ntau dhau thiab kev tiv thaiv luv luv, cov khoom siv tiv thaiv tsim nyog yuav tsum tau muab. Tshawb xyuas qhov xav tau tawg lub peev xwm ntawm cov khoom siv overcurrent cuam tshuam thiab paub meej tias kev sib koom ua ke tiv thaiv qhov muaj tam sim no.
Xyuas cov terminals thiab mounting
Siv cov conductors ntawm hom teev thiab qhov chaw hla ntu. Tighten terminals rau cov chaw tsim tshuaj paus lub zog torque, mount lub cuab yeej ruaj ntseg, thiab xyuas kom meej tias cov ntaub ntawv xa tawm ua tau raws li qhov xav tau ntawm ib puag ncig thiab kev siv tau yooj yim.
Ua cov kev ntsuam xyuas kom tsim nyog
Tom qab kev teeb tsa, cov neeg ua haujlwm tsim nyog yuav tsum txheeb xyuas cov xaim, kev tiv thaiv tus neeg xyuas pib txuas ntxiv, thiab kev ua haujlwm ntawm kev tiv thaiv kev siv cov txheej txheem kuaj thiab cov cuab yeej tsim nyog. Lub pob ntsuas built-in yog qhov muaj txiaj ntsig zoo rau kev tshuaj xyuas cov cuab yeej ntsuas kev ntsuas tab sis tsis hloov tag nrho cov kev ntsuas uas yuav tsum tau ua.
8. Koj yuav ua li cas thiaj li muaj kev tiv thaiv kev ntseeg siab?
Kev tshuaj xyuas niaj hnub thiab kev ntsuam xyuas pab txheeb xyuas cov teeb meem ua ntej lawv loj dua. Lub sijhawm saib xyuas yuav tsum muaj kev cuam tshuam cov chaw tsim khoom cov lus qhia, cov kev cai siv hluav taws xob, ib puag ncig, thiab qhov tseem ceeb ntawm kev teeb tsa.
- Siv lub pob xeem raws li qhia.Ua raws li cov zaus thiab cov txheej txheem teev tseg los ntawm cov chaw tsim khoom thiab cov cai hauv zos.
- Npaj cov kev soj ntsuam raws sij hawm.Tshawb xyuas cov kev sib txuas, qhov chaw kaw, kev ruaj ntseg ntawm kev sib txuas, thiab cov cim qhia ntawm overheating lossis noo noo.
- Tshawb nrhiav rov ua dua.Tej yam tshwm sim muaj xws li rwb thaiv tsev deterioration, cov khoom siv faulty, cumulative to, wiring yuam kev, los yog ib hom kev tiv thaiv incompatible.
- Khaws cov ntaub ntawv.Cov ntaub ntawv tshuaj xyuas hnub, cov txiaj ntsig kev xeem, qhov yuam kev raug txheeb xyuas, thiab kho qhov ua kom raug.
- Hloov cov khoom siv tsis raug.Yog hais tias ib lub cuab yeej ua tsis tau raws li qhov kev ntsuam xyuas tau muab los yog qhia pom tias muaj kev puas tsuaj, muab nws ntsuas thiab hloov thaum tsim nyog los ntawm tus kws tshaj lij.
Tsis txhob hla RCCB lossis rov pib dua lub cuab yeej yam tsis tau tshawb xyuas vim li cas nws mus ncig. Recurrent disconnection yog ib qho kev ceeb toom uas yuav tsum tau kuaj xyuas kom raug.
9. Koj yuav tsum zam qhov kev xaiv yuam kev dab tsi?
Tsis meej pem rated tam sim no nrog residual khiav hauj lwm tam sim no
A 40 A RCCB nrog 30 mA seem kev khiav hauj lwm tam sim no muaj ob qhov kev ntsuas sib txawv ua haujlwm sib txawv. Ib qho cuam tshuam rau kev muaj peev xwm nqa tam sim no; Lwm qhov cuam tshuam rau kev ua haujlwm seem-tam sim no. Ob leeg yuav tsum tau teev kom raug.
Piv txwv tias txhua hom A ntaus ntawv ua haujlwm nrog txhua lub tshuab hluav taws xob
Hom A tiv thaiv npog AC thiab pulsating DC residual tam sim no, tsis yog txhua qhov waveform tsim los ntawm cov khoom siv hluav taws xob niaj hnub no. Tshawb xyuas inverter, tsav, charger, thiab cov ntaub ntawv siv ua ntej ua tiav hom kev tiv thaiv.
Siv RCCB tsis tsim nyog tiv thaiv overcurrent
Ib qho piv txwv RCCB tsis hloov lub Circuit Court breaker lossis fuse rau overload thiab tiv thaiv luv luv. Paub meej tias yuav tsum tau muaj kev tiv thaiv thaum lub sij hawm tsim Circuit Court.
Xaiv cov khoom ntawm tus nqi ib leeg
Tus nqi qis yuav tsis sawv cev rau qhov zoo tshaj plaws tag nrho cov nqi yog tias cov ntaub ntawv kev kawm tsis tiav, cov ntsiab lus ntawm lub davhlau ya nyob twg tsis tsim nyog, lossis cov cuab yeej tsis muaj pov thawj xav tau. Sib piv cov ntsiab lus tag nrho, tus neeg siv khoom txhawb nqa, traceability, thiab daim ntawv thov tsim nyog.
Ignoring nuisance tripping
Cov kev mus ncig uas tsis xav tau tuaj yeem tshwm sim los ntawm kev sib xyaw ua ke, kev sib koom ua ke, kev teeb tsa tsis raug, kev cuam tshuam tsis zoo, lossis kev xaiv cov cuab yeej tsis tsim nyog. Tshawb xyuas qhov tshwm sim hauv qab thiab hloov pauv tsuas yog tom qab tshawb xyuas qhov kev teeb tsa tsim thiab cov kev xav tau ntawm kev nyab xeeb.
10. Cov lus nug uas nquag nug
Q1. Hom A txhais li cas ntawm qhov seem tam sim no Circuit Court breaker?
Hom A identifies an RCCB designed to detect sinusoidal AC residual currents and specified pulsating DC residual currents. Nws yog qhov tsim nyog rau ntau lub voj voog uas muaj cov khoom siv hluav taws xob, raws li qhov tseeb ntawm cov yam ntxwv thiab cov khoom siv hluav taws xob hauv zos.
Q2. Hom A RCCB puas zoo dua li Hom AC RCCB?
Hom A muaj peev xwm txheeb xyuas qhov seem-tam sim no vim nws npog cov ntawv teev cov pulsating DC waveforms ntxiv rau sinusoidal AC. Txawm hais tias nws yog qhov kev xaiv raug yog nyob ntawm daim ntawv thov, khoom siv, thiab cov kev cai siv tau ntau dua li ntawm cov khoom lag luam thoob ntiaj teb.
Q3. Hom A RCCB puas tuaj yeem ntes cov DC xau tam sim no?
Tus qauv A RCCB tsis yog tsim los kuaj xyuas tag nrho cov DC residual tam sim no. Cov ntawv thov uas tuaj yeem tsim tau tam sim no tuaj yeem xav tau kev tiv thaiv hom B lossis lwm qhov kev pom zoo tshwj xeeb raws li cov khoom lag luam cov lus qhia thiab cov qauv siv tau.
Q4. Hom A RCCB puas tiv thaiv overloads thiab luv circuits?
Tsis yog. Ib qho piv txwv RCCB muab kev tiv thaiv seem-tam sim no tab sis ib txwm tsis suav nrog cov khoom siv ntau dhau thiab kev tiv thaiv luv luv. Ib lub tshuab hluav taws xob tsim nyog lossis fuse yuav tsum muab kev tiv thaiv overcurrent. Ib qho RCBO muab cov haujlwm tiv thaiv no hauv ib lub cuab yeej.
Q5. Puas yog 30 mA Hom A RCCB haum rau siv nyob hauv tsev?
Ib qho khoom siv 30 mA feem ntau yog siv rau kev tiv thaiv ntxiv tiv thaiv hluav taws xob hauv cov ntawv thov nyob hauv qhov xav tau lossis tsim nyog. Nws qhov kev tsim nyog nyob ntawm cov kev cai hauv zos, lub voj voog, lub ntiaj teb, cov khoom siv txuas nrog, thiab cov chaw tsim khoom tshwj xeeb.
Q6. Yuav tsum kuaj Hom A RCCB ntau npaum li cas?
Ua raws li qhov kev xeem zaus thiab cov txheej txheem teev tseg los ntawm cov chaw tsim khoom thiab cov kev cai hauv cheeb tsam. Lub pob xeem kuaj xyuas cov cuab yeej ntsuas kev ntsuas, thaum kev tshuaj ntsuam xyuas thiab ntsuas ntsuas yuav tsim nyog los xyuas qhov kev tiv thaiv tiav.
q7 ua. Vim li cas Hom A RCCB mus txawv tebchaws ntau zaus?
Kev rov ua dua tuaj yeem ua rau muaj qhov cuam tshuam ntawm rwb thaiv tsev, cov khoom siv tsis zoo, cov khoom xau tam sim no, cov xov hluav taws xob tsis raug, kev cuam tshuam tsis zoo, lossis cov yam ntxwv ntawm cov khoom siv tsis zoo. Ib tus kws tshaj lij hluav taws xob tsim nyog yuav tsum tshawb xyuas qhov ua rau es tsis txhob hla lub cuab yeej lossis yooj yim haum rau tus qauv qis dua.
Q8. Cov ntaub ntawv twg cov neeg yuav khoom yuav thov los ntawm RCCB tus neeg muag khoom?
Thov cov khoom datasheet, rated tam sim no, rated residual khiav hauj lwm tam sim no, ncej configuration, voltage thiab zaus ratings, siv cov qauv, conformity cov ntaub ntawv, davhlau ya nyob twg specifications, installation cov lus qhia, thiab warranty ntaub ntawv. Paub meej tias cov khoom uas tau thov yog sib xws rau qhov project cov khoom siv hluav taws xob.
Xaus: Xaiv txoj cai Hom A Qhov seem tam sim no Circuit Court Breaker
Ib Hom A Residual Current Circuit Breaker yog ib qho tseem ceeb ntawm kev nyab xeeb hluav taws xob hauv ntau qhov kev teeb tsa AC niaj hnub no. Nws lub peev xwm los ntes cov sinusoidal AC thiab teev cov pulsating DC residual tam sim no ua rau nws haum rau ntau yam kev siv hauv tsev thiab kev lag luam.
Txawm li cas los xij, kev tiv thaiv txhim khu kev qha nyob ntawm ntau dua li kev xaiv hom A. Rated tam sim no, residual khiav hauj lwm tam sim no, ncej configuration, system voltage, overcurrent coordination, khoom conformity, thiab kev cob cog rua cov yam ntxwv ntawm cov khoom yuav tsum tau xam tag nrho cov. Qhov twg du DC los yog lwm yam tshwj xeeb uas seem-tam sim no waveforms yuav tshwm sim, yuav tsum muaj lwm hom kev tiv thaiv.
Rau cov neeg cog lus hluav taws xob, cov xa khoom, cov chaw tsim khoom vaj huam sib luag, thiab cov neeg yuav khoom lag luam, cov kev qhia meej meej pab ua kom yooj yim xaiv cov khoom thiab txo cov kev pheej hmoo ntawm kev teeb tsa. Ua haujlwm nrog tus neeg muag khoom uas tuaj yeem muab cov ntaub ntawv tsim nyog thiab kev txhawb nqa kev pabcuam kuj ua rau kev yuav khoom muaj kev vam meej.
Nrhiav rau Kev Txhim Kho Kev Tiv Thaiv Tam Sim No Muaj Kev Ruaj Ntseg?
Shanghai DaDa Electric Co., Ltd.pab cov neeg siv khoom nrhiav cov khoom siv tiv thaiv hluav taws xob rau ntau yam kev siv hluav taws xob tsawg. Thaum ntsuam xyuas hom A Residual Current Circuit Breaker, paub meej tias qhov yuav tsum tau muaj kev ntsuam xyuas, cov yam ntxwv ntawm kev kuaj pom, cov qauv siv tau, thiab kev teeb tsa ua ntej tso qhov kev txiav txim.
Xav tau kev pab txheeb xyuas cov khoom tsim nyog rau koj qhov project?Tiv tauj peblos tham txog koj cov kev xav tau, thov cov ntaub ntawv khoom, thiab tshawb nrhiav cov kev tiv thaiv hluav taws xob tsim nyog.
