Kev tiv thaiv kev siv hluav taws xob hauv tsev hauv tsev, nyob hauv lub txee hloov, yog qhov tsim nyog tau hais los ntawm kev ruaj ntseg. Ntau yam nyob ntawm seb nws xaiv zoo npaum li cas. Cov cuab yeej zoo li no tuaj yeem txiav tawm lub zog hluav taws xob thaum muaj ntau dhau, lub zog hluav taws xob lossis cov xau tam sim no tuaj yeem ua rau tus neeg mob. Tsis tas li ntawd, txhua lub cuab yeej yog lub luag haujlwm rau nws qhov chaw tiv thaiv. Niaj hnub no peb yuav tham txog yuav ua li cas RCD txawv ntawm lub tshuab, dab tsi ua haujlwm ntawm cov cuab yeej no ua haujlwm thiab lawv tau npaj li cas.
khoom siv tiv thaiv hluav taws xob hauv tsev: txhais thiab cov ntaub ntawv dav dav
Ua ntej ntawm tag nrho, koj yuav tsum nkag siab tias qhov kev siv tshuab hluav taws xob sib txawv li cas thiab nyob rau hauv qhov xwm txheej nws siv tau raug cai. Cov cuab yeej zoo li no tau muab faib ua 4 yam tseem ceeb:
- Automatic switches (AB).
- RCD.
- Residual tam sim no Circuit Court breakers (RCBOs).
- Voltage tswj relay (PH).
Kom nkag siab yooj yim,Yuav ua li cas RCD txawv ntawm lub tshuab sib txawv (piv txwv li), nws tsim nyog txheeb xyuas kom meej ntxiv seb txhua yam khoom siv tau teev tseg yog lub luag haujlwm rau.
AV yog dab tsi thiab nws ua haujlwm dab tsi
Kev tiv thaiv hluav taws xob tiv thaiv yog ib qho khoom siv uas muaj cov solenoid zoo li qub thiab cov pas nrig txav tau nyob hauv nws. Nrog kev ua haujlwm ruaj khov ntawm cov khoom siv hluav taws xob, ib qho tam sim no ntws los ntawm solenoid, uas tsis cuam tshuam rau kev ua haujlwm ntawm lub tshuab. Yog tias muaj ntau yam khoom siv sib txawv nrog kev siv hluav taws xob siab txuas nrog rau txoj kab, qhov tsis hloov pauv. Ua kom cov tam sim no nyob rau hauv lub solenoid thawb tawm lub qia txav, uas ua rau cov pab pawg neeg sib cuag, qhib lub voj voog, vim tias cov khoom siv hluav taws xob rau cov hluav taws xob hauv tsev nres.
Ntawm tag nrho cov khoom siv tiv thaiv automation, AB suav tias yog qhov yooj yim tshaj plaws. Nws txoj haujlwm ua haujlwm tso cai rau tsis txhob tiv thaiv lub tsev network los ntawm overloads thiab luv luv Circuit Court, tab sis tiv thaiv qhov tshwm sim ntawm cov teeb meem xws li overheating thiab ignition ntawm cov xaim thiab qhov tshwm sim tom ntej ntawm hluav taws. Thiab qhov txawv ntawm lub tshuab zoo tib yam thiab RCD yog dab tsi?
Cov khoom siv tam sim no: cov khoom siv nta
Qhov sib txawv ntawm RCD yog tias nws ua haujlwm sib txawv kiag li, lub hom phiaj yog los xyuas kom muaj kev nyab xeeb ntawm kev tsis siv hluav taws xob, tab sis ntawm tus neeg. Lub cuab yeej qhib thaum muaj xwm txheej tshwm sim thaum cov xaim nqa tam sim no los rau hauv kev sib cuag nrog cov ntaub ntawv hlau ntawm cov khoom siv hauv tsev. Hauv qhov no, ib qho xau tshwm simkho RCD. Qhov no ua rau kev txiav tawm thiab hluav taws xob tawm. Tab sis qhov tseem ceeb uas qhov txawv ntawm RCD los ntawm lub Circuit Court breaker yog qhov tsis muaj lus teb rau overloads thiab luv circuits. Yog tias tsis muaj AV hauv Circuit Court, thiab qhov luv luv tshwm sim hauv lub network hluav taws xob hauv tsev, lub cuab yeej yuav tsuas hlawv tawm, thiab yuav tsis muaj hluav taws xob tawm.
Cov yam ntxwv ntawm cov cuab yeej tiv thaiv no hais qee cov cai rau lawv siv. Hauv kev faib khoom, ib khub kev sib txuas ntawm RCDs thiab cov tshuab tsis siv neeg siv, uas ua kom muaj kev nyab xeeb siab tshaj plaws rau tib neeg thiab cov khoom siv hluav taws xob hauv tsev.
RCBO: nws yog dab tsi thiab nws ua haujlwm dab tsi
Cov khoom faib khoom feem ntau yog qhov me me, thiab nws tsis tuaj yeem ua kom haum rau tag nrho cov cuab yeej tiv thaiv uas tau npaj rau hauv lawv. Koj tuaj yeem nruab ib lub thawv loj dua, tab sis qee zaum rau qhov no nws yog qhov tsim nyog los nthuav cov niche (nrog nws qhov chaw ua haujlwm), uas tsis yog ib txwm ua tau. Txoj kev tawm ntawm qhov xwm txheej no yuav yog kev siv lub tshuab hluav taws xob sib txawv, uas ua haujlwm ntawm ob lub cuab yeej ib zaug - AV thiab RCD, tab sis siv qhov chaw tsawg dua. Tsis tas li ntawd, kev teeb tsa hauv qhov no yog qhov yooj yim.
Nws tsim nyog txheeb xyuas qhov sib txawv ntawm qhov sib txawv. RCD tshuab. Lo lus teb rau lo lus nug no yuav yog ib tug luv luv video nyob rau hauv uas txhua yam yog piav nyob rau hauv kom meej.
Cov khoom siv sib xyaw ua ke no muaj ntau yam zoo, tab sis kuj muaj qee qhov tsis zoo. Nws tsim nyog nyob ntawm qhov zoo thiab qhov tsis zoo ntawm cov khoom seem tam sim no hauv kev nthuav dav ntxiv.
Qhov zoo thiab qhov tsis zoo ntawm cov cuab yeej ua ke ua ntej pawg AB + RCD
Cov ntaub ntawv hais txog qhov zoo thiab qhov tsis zoo ntawm AVTD kom yooj yim rau kev nkag siab thiab meej yog nthuav tawm hauv daim ntawv sib piv.
| qhov zoo ntawm qhov sib txawv automaton | Qhov tsis zoo ntawm RCBOs |
| Siv qhov chaw tsawg dua ntawm DIN rail. 2 qhov chaw modular yuav tsum tau rau mounting, as opposed to ib nras ntawm 2 units uas yuav tsum tau 3. | Nws yog qhov nyuaj los txiav txim siab qhov ua rau ntawm kev mus ncig - to lossis overload. Thaum siv qhov txuas, cov lus teb yuav pom tseeb. |
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Kev xaim RCBOs yooj yim dua, txo qhov kev pheej hmoo ntawm kev teeb tsa tsis raug. |
Tus nqi ntawm cov cuab yeej siab dua li ntawm lub tshuab ua haujlwm thiab RCD ua ke. |
| Tsis xav tau kev tiv thaiv ntxiv - lub hauv paus hauv Circuit Court breaker txaus. | Qhov tsis ua tiav ntawm ib feem txhais tau tias hloov pauv cov khoom tiav, thaum siv ob lub cuab yeej yuav tsum tsuas yog yuav ib qho AB lossis cov khoom seem tam sim no. |
Cov lus nug "dab tsi yog qhov txawv ntawm qhov sib txawv ntawm automaton thiab RCD" tseem tsis tau xa rov qab, tab sis tam sim no nws ua rau nkag siab tias RN yog dab tsi.
Voltage tswj relay: daim ntawv thov nta
Lub zog surges thiab tee tsis yog qhov txawv rau peb daim phiaj hluav taws xob. Cov tsev nyob rau hauv private sector yog tshwj xeeb tshaj yog raug rau lawv. Cov kev hloov no tuaj yeem yooj yimlov tes taw complex, kim khoom siv hauv tsev thiab electronics. Tab sis kev yuav khoom ntawm stabilizers los yog cov khoom siv hluav taws xob tsis cuam tshuam tsis yog pheej yig, thiab nws tsis yog ib txwm tsim nyog. Qhov kev xaiv zoo tshaj plaws yuav yog rau nruab qhov ntsuas hluav taws xob ntsuas hluav taws xob, qhov nruab nrab thiab qis qis uas tau teeb tsa los ntawm tus neeg siv.
Thaum qhov hluav taws xob poob qis los yog nce siab tshaj qhov programmed qhov tseem ceeb, lub cuab yeej tua hluav taws xob rau ib lub sijhawm. Tom qab nws dhau lawm, lub cuab yeej kaw lub voj voog dua. Yog tias vim li cas rau kev ua haujlwm raug tshem tawm, qhov hluav taws xob tau muab rau hauv hom li qub kom txog thaum muaj qhov xwm txheej zoo sib xws. Qhov no tso cai rau koj los tiv thaiv cov khoom siv hauv tsev thiab cov khoom siv hluav taws xob los ntawm kev puas tsuaj ntawm cov hluav taws xob hluav taws xob. Tsis tas li ntawd, qhov voltage tswj relay yuav txuag tau nyob rau hauv cov kev tshwm sim ntawm ib tug luv luv Circuit Court ntawm ib theem mus rau lub nruab nrab hlau. Qhov no feem ntau tshwm sim thaum, nyob rau hauv private sector, cov strands ntawm ib tug overhead hwj chim kab sag los ntawm lub sij hawm mus rau lub sij hawm. Nyob rau hauv cov cua muaj zog, theem xaim overlaps nrog xoom. Raws li qhov tshwm sim, 380V tuaj yeem muab rau cov khoom siv. Hauv qhov xwm txheej zoo li no, qhov hluav taws xob txuas hluav taws xob yuav tiv thaiv tam sim no txaus ntshai los ntawm kev ncav cuag cov cuab yeej txuas nrog lub zog hluav taws xob hauv tsev.
Dab tsi yog qhov txawv ntawm RCD thiab lub tshuab sib txawv thiab qhov zoo sib xws ntawm cov khoom siv yog dab tsi
Yog tias peb suav nrog qhov loj, ces txhua yam yog tib yam ntawm no. Cov khoom siv tam sim no seem nyob hauv 2 txoj haujlwm modular, zoo li qhov seem tam sim no Circuit Court breaker. Txawm li cas los xij, raws li twb tau hais lawm, yog qhov luv luv tshwm sim ntawm kab uas tsuas yog nruab nrog RCD,luv Circuit Court, tsis muaj kev txiav tawm yuav tshwm sim, cov xov hlau yuav pib cua sov, uas yuav ua rau lawv ignite thiab hluav taws. Qhov sib txawv automaton yuav tsis tso cai rau qhov tshwm sim. Nyob rau hauv cov ntaub ntawv ntawm overload los yog luv luv Circuit Court, nws yuav instantly tua lub hwj chim mov, zoo li ib tug pa AB. Tab sis qhov txawv ntawm RCD los ntawm lub tshuab yog lub peev xwm los ntsuas qhov ntws tawm tam sim no.
Cov neeg feem coob paub qhov tsis xis nyob thaum kov lub cev ntawm cov khoom siv hauv tsev, muaj hluav taws xob me ntsis. Qhov no tej zaum yuav yog vim high humidity. Yog tias muaj kev puas tsuaj ntawm cov rwb thaiv tsev, ces qhov paug tawm tuaj yeem muaj zog ntau zaus, thiab qhov tshwm sim yog qhov tsis txaus ntseeg heev. RCD yog tsim tshwj xeeb los kho cov dej xau thiab tua hluav taws thaum lawv tshwm sim. Qhov tseeb yog tias nyob rau hauv qhov xwm txheej zoo li no muaj qhov sib txawv ntawm qhov tam sim no nkag los ntawm tus neeg xyuas pib theem thiab rov qab los ntawm xoom ib. Nws raug coj mus rau hauv tus account los ntawm cov khoom seem tam sim no.
Nws tseem yuav teb ib lo lus nug ntxiv: Dab tsi yog qhov txawv ntawm difavtomat thiab RCD? Qhov seem tam sim no Circuit Court breaker, tsis zoo li cov khoom seem tam sim no, reacts tsis tsuas yog to, tab sis kuj rau ntau yam overloads. Yog tias ob peb lub cuab yeej siv hluav taws xob siab txuas nrog lub qhov (socket) ntawm ib kab, RCBO yuav cuam tshuam cov khoom siv hluav taws xob, yog li tiv thaiv cov xaim hluav taws xob los ntawm cua sov, thiab cov neeg sib txuas ntawm cov ntsiab lus sib txuas los ntawm kev kub hnyiab.
Txoj cai rau kev txhim kho cov cuab yeej hauv lub tshuab hluav taws xob
Txawm hais tias qhov khoom seem tam sim no tuaj yeem hloov pauv yam tsis muaj av, ua tiav kev nyab xeeb hauv qhov no los ntawmcov khoom siv tsis tas yuav tos. Txawm li cas los xij, qee zaum tsis muaj lwm txoj hauv kev. Nws tsis yog qhov nyuaj los txiav txim siab yuav ua li cas txuas RCD thiab lub tshuab kom zoo, tab sis kev ua haujlwm yuav tsum tau saib xyuas thiab raug siab tshaj plaws. Thawj qhov uas yuav tsum tau them sai sai rau thaum lub sijhawm teeb tsa yog qhov muaj lossis tsis muaj lub tsheb npav hauv av hauv switchboard. Nws yuav tsum tau muab cais los ntawm xoom bar thiab yuav tsum tsis txhob tuaj nrog nws nyob rau hauv txhua txoj kev.
Tsuas yog ib theem xaim txuas nrog lub tshuab pa. Thaum muab tso rau ntawm DIN rail, koj yuav tsum xyuas kom meej tias cov ntawv sau nyob rau pem hauv ntej tsis upside down. Nrog rau qhov chaw raug, qhov kev sib cuag sab saud yuav pib, thiab los ntawm qhov hluav taws xob qis nws yuav mus rau hauv tsev network lossis lwm yam automation.
Kev sib txuas ntawm RCD yog qhov txawv me ntsis. Ntawm no, 2 xov hlau tuaj rau cov neeg sab sauv - theem thiab xoom, thiab cov terminals qis yog kais-tawm. Ua ntej koj yuav tsum xyuas qhov kev ua haujlwm ntawm cov khoom seem tam sim no. Txhawm rau ua qhov no, tus chij hloov mus rau txoj hauj lwm "on" thiab nias "test" khawm - RCD yuav tsum ua haujlwm zoo ib yam li thaum muaj qhov xau.
Cov ntaub ntawv tseem ceeb! Yog tias, tom qab kev teeb tsa, cov cuab yeej seem tam sim no tsis tu ncua mus ncig yam tsis muaj laj thawj, kev sib txuas lossis xaim ntawm lub qhov (socket) yuav tsis raug. Koj yuav tau xyuas tag nrho cov ntsiab lus sib txuas thiab cov thawv sib txuas. Tej zaum, hauv ib qho ntawm qhov chaw, kev sib txuas ntawm cov xov hlau nruab nrab thiab hauv av tau tso cai.
Cov Cai rau xaiv RCDs thiab Circuit Court breakers
Ua ntej yuav cov khoom tiv thaiv zoo li no, koj yuav tsum txiav txim siabtechnical parameters uas tsim nyog rau ib tug npaum li cas ntawm cov khoom siv hauv tsev thiab nws lub hwj chim noj. Ntawm no ib qho yuav tsum tau qhia tsis yog los ntawm cov ntaub ntawv hais txog yuav ua li cas RCD txawv ntawm lub tshuab, tab sis, ntawm qhov tsis sib xws, los ntawm qhov zoo sib xws ntawm qee yam ntxwv. Nws tau xav tias cov cuab yeej no yuav ua haujlwm ua khub, uas txhais tau hais tias qhov siab tshaj plaws ntawm cov khoom siv tam sim no yuav tsum zoo ib yam, txawm hais tias qhov ntsuas qis tau tso cai rau ntawm AB.
Ua ntej koj tuaj nqa RCD thiab lub tshuab tsis siv neeg, koj yuav tsum tau ntxiv cov khoom siv tam sim no ntawm tag nrho cov khoom siv hauv tsev rau hauv pab pawg. Koj tseem yuav xav tau tus nqi tag nrho rau txhua kab. Yog tias daim duab no tsis tshaj 16A, nws yog qhov ua tau los ntawm ib qho RCD. Txwv tsis pub, koj yuav tau yuav cov khoom siv los ntawm cov pab pawg lossis tiv thaiv ib tus kab uas pub khoom siv kim dua.
Raws li tus nqi, cov npe nrov npe yuav raug nqi ntau dua. Tab sis cov kws tshaj lij tsis qhia kom siv lub sijhawm los yuav cov cuab yeej tiv thaiv pheej yig los ntawm cov tuam txhab tsis paub. Xws li kev yuav, qhov zoo tshaj plaws, yuav xav tau kev hloov pauv tom qab lub sijhawm luv luv. Qhov phem tshaj plaws, nws yuav tsis ua haujlwm raws sijhawm, uas yuav ua rau muaj kev nyuaj siab.
Koj yuav tsum tsis txhob yuav cov khoom siv hauv Is Taws Nem - RCDs, RCBOs thiab ABs tej zaum yuav tsis ua haujlwm, thiab qhov no rov qab los yog pauv yuav muaj teeb meem heev. Qhov kev xaiv zoo tshaj plaws yuav yog kev tiv thaiv automation hauv cov khw muag khoom hluav taws xob loj, tsim tau zoo, uas yog cov neeg ua haujlwm paub txog.qhov tshwj xeeb ntawm cov khoom muag-cov kws pab tswv yim. Lawv tuaj yeem tham txog cov khoom, thiab yog tias lub qhov hluav taws xob muaj txiaj ntsig rau nws lub koob npe nrov, ces lawv yuav tsis zais qhov tsis zoo ntawm cov khoom los ntawm tus neeg yuav khoom.
Tshuaj xyuas qhov ua tau zoo ntawm RCD thaum yuav
Thaum yuav cov khoom siv tam sim no nyob hauv lub khw tsis tu ncua, koj yuav tsum nkag siab seb nws puas ua tau nws txoj haujlwm. Ua qhov no yog qhov yooj yim heev. Ua ntej mus rau tom khw, koj yuav tsum npaj ib lub roj teeb 1.5V zoo tib yam, 2 daim hlau, txhua qhov ntev txog 10 cm nrog stripped kawg, thiab ib lub hau ntswj. Cov kev txheeb xyuas qhov tseeb yog raws li hauv qab no:
- Cov Hlau txuas nrog rau ob qhov kev sib cuag ntawm RCD xaiv (cov tswv yim thiab cov khoom siv tawm tau siv, theem lossis xoom - nws tsis muaj teeb meem).
- Qhov thib ob liab qab kawg, thaum lub cuab yeej qhib, txuas nrog lub roj teeb ntxiv thiab rho tawm. Yog tias RCD ua haujlwm, nws yuav mus.
Tus txhais tau yooj yim zoo nkauj. Los ntawm kev sib txuas lub roj teeb, tus neeg siv tsim ib qho hluav taws xob ntawm ib qho ntawm cov coils, thaum lub thib ob tseem tsis muaj load. RCD suav tias qhov xwm txheej no yog qhov xau thiab mus ncig. Txoj kev no yooj yim thiab nyab xeeb, thiab yog li ua tau ntawm txhua qhov hluav taws xob. Nws tuaj yeem txheeb xyuas cov cuab yeej tau nruab rau hauv lub tshuab hluav taws xob zoo sib xws, tab sis rau qhov no nws yog ib qho tsim nyog los txiav tawm cov xov hlau uas haum rau nws.
Yuav xaiv dab tsi?
Cov lus teb rau lo lus nug no txhua tus neeg yuav tsum muab rau lawv tus kheej raws li qhov loj ntawm qhov hloov pauv thiab peev nyiaj txiag. To taub qhov txawvRCD los ntawm lub tshuab thiab AVDT, nws yuav tsis yooj yim rau kev txiav txim siab. Koj yuav tsum nkag siab tias koj yuav tsum tsis txhob txuag koj txoj kev nyab xeeb. Thiab qhov kev tiv thaiv yuav ua li cas tsis yog qhov tseem ceeb. Qhov tseem ceeb tshaj plaws yog tias nws yuav tsum ua kom tiav thiab ua nws txoj haujlwm zoo.
