Chav ua noj / chav dej hluav taws xob kev nyab xeeb qhov tseem ceeb: Lub luag haujlwm tseem ceeb ntawm cov hluav taws xob tawg

Taw qhia
Hauv ib puag ncig hauv tsev, chav ua noj thiab chav dej yog qhov chaw uas muaj dej thiab hluav taws xob ntau tshaj plaws, thiab ib puag ncig yog qhov nyuaj. Hauv chav ua noj, mov cookers, electromagnets, ntau hoods thiab lwm yam khoom siv ua haujlwm ib txhij. Cov khoom siv hluav taws xob xws li hluav taws xob cua sov, chav dej ntse thiab lub tshuab ziab plaub hau kuj nquag siv hauv chav dej. Ob qhov chaw no muaj kev cuam tshuam rau hluav taws xob hluav taws xob thiab hluav taws xob hluav taws xob, tsis yog vim lawv qhov concentration ntawm cov khoom siv, tab sis kuj yog vim cov av noo siab. Cov hluav taws xob hluav taws xob hluav taws xob, uas yog ib qho tseem ceeb ntawm kev tiv thaiv hluav taws xob tiv thaiv hluav taws xob, ua lub luag haujlwm tseem ceeb hauv hluav taws xob kev nyab xeeb ntawm chav ua noj thiab chav dej, thiab tsim kom muaj kev ruaj ntseg zoo rau peb lub neej txhua hnub.
Chav ua noj thiab chav dej ntsuas hluav taws xob pheej hmoo
Risk ntawm electrocution
Cov dej ntub dej hauv chav ua noj thiab chav dej ua rau cov khoom siv hluav taws xob thiab cov qhov hluav taws xob muaj kev cuam tshuam rau cov dej noo, ua rau cov rwb thaiv tsev tsis zoo. Thaum lub cev nkag mus rau hauv cov cheeb tsam no, hluav taws xob tuaj yeem ntws los ntawm lub cev mus rau hauv av, ua rau hluav taws xob. Piv txwv li, thaum ua noj ua haus hauv chav ua noj thiab tig lub hwj, yog tias cov khoom siv hluav taws xob xau, nws yuav ua rau muaj hluav taws xob. Kuj tseem muaj kev pheej hmoo ntawm hluav taws xob hluav taws xob yog tias cov khoom siv tau ntub los yog ntub dej thaum da dej hauv chav dej thiab siv cov khoom siv xws li cov tshuab plaub hau.
Hluav taws xob hluav taws xob txaus ntshai
Cov khoom siv hauv chav ua noj tuaj yeem overheat thaum siv lossis ua haujlwm tsis zoo rau lub sijhawm ntev. Nyob rau hauv ib puag ncig ntub, hluav taws xob rwb thaiv tsev feem ntau muaj hnub nyoog thiab tawg, ua rau luv luv Circuit Court. Hluav taws xob hluav taws xob yog tshwm sim los ntawm hluav taws xob arcs thiab kub kub tshwm sim los ntawm luv luv circuits uas ignite ib puag ncig combustible khoom. Piv txwv li, yog tias chav ua noj chav ua noj hood raug tso tseg tsis huv rau lub sijhawm ntev, cov roj ntau dhau tuaj yeem tsim. Thaum tshav kub kub, nws tuaj yeem ua rau hluav taws kub. Lub tshuab rhaub dej kuj tuaj yeem ua rau hluav taws kub yog tias lawv muaj hnub nyoog hauv Circuit Court thiab luv -circuit hauv chav dej.
Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm kev tawg Circuit Court breaker
hluav taws xob hluav taws xob hluav taws xob feem ntau yog tsim los ntawm xoom-ib ntu tam sim no transformer, tripping unit thiab lub ntsiab hloov. Nws ua hauj lwm raws li Kirchhoff txoj cai ntawm tam sim no, nyob rau hauv uas lub algebra ntawm tag nrho cov tam sim no sib npaug zos rau hauv ib lub voj kaw. Nyob rau hauv ib txwm muaj xwm txheej, tam sim no nyob rau hauv cov theem kab (nyob xaim kab) yog tib yam li tam sim no nyob rau hauv nruab nrab kab ntawm lub Circuit Court, tab sis nyob rau hauv lub opposite kev taw qhia. Lawv tshem tawm ib leeg los ntawm cov hlau nplaum uas lawv tsim hauv xoom- xaj tam sim no transformers. Qhov thib ob sab ntawm lub transformer tsis muaj induction tam sim no tso zis, lub to Circuit Court breaker tseem kaw thiab lub Circuit Court muab nkag ib txwm.
Thaum ib qho hluav taws xob xau los yog ib tus neeg raug hluav taws xob, ib feem ntawm qhov tam sim no ntws rov qab rau hauv lub hwj chim mov los ntawm lub cev los yog hauv av, ua rau cov theem tam sim no loj dua qhov nruab nrab tam sim no. Nyob rau ntawm no, sab thib ob ntawm xoom-ib ntu tam sim no transformer yuav tsim ib qho inductive tam sim no. Qhov tam sim no, thaum amplified, tsav qhov kev txiav txim ntawm tripping unit, ua rau lub ntsiab hloov mus qhib sai, txiav tawm lub Circuit Court thiab muab kev tiv thaiv.
Lub luag haujlwm tseem ceeb ntawm cov hluav taws xob hluav taws xob hluav taws xob hauv chav ua noj thiab chav dej
Tiag - lub sijhawm saib xyuas cov dej xau
leakage Circuit Court breaker tuaj yeem saib xyuas cov hluav taws xob hauv hluav taws xob hauv lub sijhawm. Hauv qhov chaw ntub dej xws li chav ua noj thiab chav dej, qhov kev ua haujlwm ntawm cov khoom siv hluav taws xob tuaj yeem poob vim cov av noo, ua rau cov dej xau. leakage Circuit Court breaker tuaj yeem ntes cov dej ntws me me hauv lub sijhawm. Thaum cov xau tam sim no tshaj li qhov teeb tsa muaj kev nyab xeeb (feem ntau yog 30mA), lub voj voog raug txiav tawm sai sai los tiv thaiv hluav taws xob. Piv txwv li, thaum lub voj voog sab hauv ntawm lub tshuab ua mov hauv chav ua noj los ntawm qhov ntub dej, cov hluav taws xob hluav taws xob tau pom tam sim ntawd, txiav tawm hluav taws xob thiab tiv thaiv tus neeg siv los ntawm hluav taws xob.
Txiav lub hwj chim tam sim no
Thaum muaj hluav taws xob los yog hluav taws xob, lub sijhawm yog qhov tseem ceeb. Cov hluav taws xob hluav taws xob hluav taws xob muaj peev xwm txiav tawm hluav taws xob sai, thiab lub sijhawm ua haujlwm feem ntau tsawg dua milliseconds. Hauv chav ua noj thiab chav dej, nyob rau hauv qhov xwm txheej ntawm cov dej xau, qhov hluav taws xob hluav taws xob hluav taws xob tuaj yeem txiav tawm hauv Circuit Court hauv lub sijhawm luv luv, txo lub sijhawm thiab kev siv ntawm tam sim no los ntawm lub cev thiab txo qhov hnyav ntawm electrocution. Thaum ib tug neeg raug hluav taws xob raug hluav taws xob hauv chav dej, piv txwv li, hluav taws xob hluav taws xob hluav taws xob tuaj yeem ua tau sai thiab tiv thaiv kev raug mob hnyav rau tib neeg.
Tiv thaiv hluav taws xob hluav taws xob
Cov hluav taws xob hluav taws xob hluav taws xob tsuas yog tiv thaiv kev poob siab, tab sis kuj tiv thaiv qhov tshwm sim ntawm hluav taws xob hluav taws xob. Hauv chav ua noj thiab chav dej, qhov hluav taws xob luv luv thiab overload tuaj yeem ua rau hluav taws kub. leakage Circuit Court breaker tuaj yeem tsis tsuas yog ntes cov hluav taws xob tam sim no, tab sis kuj tiv thaiv overload thiab luv Circuit Court. Thaum lub Circuit Court overload los yog luv Circuit Court tshwm sim, qhov hluav taws xob Circuit Court breaker yuav txiav tawm lub hwj chim mov nyob rau hauv lub sij hawm kom tsis txhob overflow thiab kub kub ua rau hluav taws. Piv txwv li, yog tias lub hood luv luv vim muaj qhov tsis zoo ntawm hluav taws xob, qhov hluav taws xob xaim hluav taws xob tuaj yeem txiav tawm sai sai los tiv thaiv hluav taws.
Xyuas kom lub cev ua haujlwm ntawm cov khoom siv hluav taws xob.
Kev ua haujlwm ib txwm ua ntawm cov hluav taws xob hluav taws xob tuaj yeem ua kom muaj kev ua haujlwm zoo ntawm cov khoom siv hluav taws xob hauv chav ua noj. Nws tuaj yeem tiv thaiv kev puas tsuaj rau cov khoom siv hluav taws xob vim qhov xau, overload thiab lwm yam, thiab ua rau lub neej ntev ntawm cov khoom siv hluav taws xob. Piv txwv li, thaum lub tshuab rhaub dej hauv chav dej muaj qhov xau me ntsis, cov hluav taws xob hluav taws xob hluav taws xob yuav txiav tawm lub zog hluav taws xob hauv lub sijhawm kom tiv thaiv kom tsis txhob cuam tshuam cov khoom siv hauv lub tshuab rhaub dej thiab xyuas kom muaj kev ua haujlwm zoo ntawm lub rhaub dej.
Cov ntsiab lus tseem ceeb ntawm kev xaiv cov hluav taws xob hluav taws xob hluav taws xob hauv chav ua noj thiab chav dej
Rated Leak Run Current
Hauv qhov chaw ntub dej xws li chav ua noj thiab chav dej, cov hluav taws xob hluav taws xob hluav taws xob yuav tsum tau xaiv nrog cov ntsuas hluav taws xob ntawm 30mA. Tus nqi no yog txiav txim siab los ntawm kev sib xyaw ua ke ntawm kev nyab xeeb tam sim no hauv tib neeg lub cev thiab ib puag ncig uas nws siv. Thaum ua kom muaj kev nyab xeeb ntawm tus kheej, lub xaim hluav taws xob tuaj yeem raug txiav tawm hauv lub sijhawm. Yog tias qhov hluav taws xob xaim hluav taws xob nrog cov ntsuas hluav taws xob ntau dhau raug xaiv, kev txiav txim raws sij hawm yuav tsis raug coj mus rau qhov tshwm sim ntawm cov dej xau, yog li ua rau muaj kev phom sij rau tus kheej. Yog tias qhov kev xaiv tsawg dhau, nws yuav ua rau muaj kev ua haujlwm tsis zoo ntawm cov hluav taws xob hluav taws xob tawg, cuam tshuam rau kev siv ib txwm.
Rated Tam sim no
Kev xaiv qhov ntsuas tam sim no ntawm cov khoom siv hauv chav ua noj yuav tsum ua raws li tag nrho lub zog ntawm cov khoom siv hauv chav ua noj. Ua ntej, tag nrho lub zog ntawm tag nrho cov khoom siv yuav tsum tau muab xam. Tag nrho cov tam sim no tuaj yeem suav nrog raws li kev sib raug zoo formula I=P / U ntawm lub zog (P), tam sim no (I) thiab voltage (U). Thaum xaiv qhov hluav taws xob hluav taws xob hluav taws xob, qhov ntsuas tam sim no yuav tsum yog me ntsis siab dua li qhov ntsuas tag nrho tam sim no txhawm rau kom ntseeg tau tias cov hluav taws xob hluav taws xob yuav tsis nquag mus los vim yog overload nyob rau hauv ib txwm ua haujlwm. Piv txwv li, yog tias tag nrho lub zog ntawm cov khoom siv hauv chav ua noj yog 5,000 watts, tag nrho cov tam sim no yog kwv yees li 5,000 tag nrho arcs 220 Tsawg dua lossis sib npaug li 22.7A. Hauv qhov no, koj tuaj yeem xaiv qhov hluav taws xob hluav taws xob hluav taws xob ntsuas 25A lossis 32A.
Lub sijhawm ua haujlwm
Cov hluav taws xob hluav taws xob hluav taws xob hauv chav ua noj thiab chav dej yuav tsum ceev ceev thiab tsis txhob siv ntau tshaj 0.1 vib nas this los txav. Qhov no ua kom ntseeg tau tias thaum muaj kev sib tsoo lossis poob siab, lub zog hluav taws xob tuaj yeem txiav tawm sai sai, txo qis kev puas tsuaj rau tib neeg lub cev thiab qhov tshwm sim ntawm hluav taws xob hluav taws xob.
Polar No.
Ib theem Circuit Court ntawm chav ua noj thiab chav dej yuav tsum xaiv 2P (bipolar) los yog 1P + N (monopolar + nruab nrab kab) to Circuit Court breakers. Lub 2P to Circuit Court breaker tuaj yeem txiav ob theem thiab cov kab nruab nrab, ua kom tiav Circuit Court disconnection thiab muaj kev nyab xeeb dua. Lub 1P + N to Circuit Court breaker muaj qhov zoo ntawm qhov me me thiab yooj yim installation. Txawm li cas los xij, qee zaum, tej zaum yuav muaj kev pheej hmoo tias cov kab theem yuav nyob twj ywm hluav taws xob tom qab cov kab nruab nrab raug txiav. Yog li ntawd, yuav tsum tau saib xyuas tshwj xeeb hauv nws txoj kev siv.
Hom Hom
Xav tias muaj ntau yam khoom siv hauv chav ua noj thiab chav dej niaj hnub no muaj cov khoom siv hluav taws xob, xws li khoos phis tawj - tswj cov twj pa taws thiab lub tshuab cua txias, uas tuaj yeem ua rau cov pa tawm DC, nws raug nquahu kom xaiv hom A lossis Hom F to Circuit Court breakers. Hom A to Circuit Court breakers tuaj yeem tiv thaiv AC to thiab pulse DC to, thaum Hom F to Circuit Court breakers tuaj yeem tiv thaiv cov cuab yeej zoo dua nrog cov kev hloov pauv zaus.
Kev txhim kho thiab kev saib xyuas ntawm cov hluav taws xob hluav taws xob hluav taws xob
Kev Tiv Thaiv Kev Tiv Thaiv
Kev Txhim Kho Kev Lag Luam: Kev teeb tsa cov hluav taws xob hluav taws xob hluav taws xob yuav tsum tau ua los ntawm tus kws tshaj lij hluav taws xob los xyuas kom meej tias kev teeb tsa ua raws li cov qauv kev teeb tsa hluav taws xob thiab kev nyab xeeb. Ua ntej kev teeb tsa, tus kws tsim hluav taws xob yuav tsum ua tib zoo xyuas seb hom thiab cov ntsiab lus ntawm cov hluav taws xob hluav taws xob hluav taws xob ua raws li cov qauv tsim thiab sab nrauv yog qhov zoo.
Kev xaim kom raug: thaum lub sij hawm kev teeb tsa, kev xaim yuav tsum nruj me ntsis raws li qhov yuav tsum tau ua ntawm cov khoom tshwj xeeb kom ntseeg tau tias qhov kev sib txuas ntawm theem xaim, nruab nrab thiab hauv av xaim. Thaum xaim, xyuam xim rau kev tuav ntawm qhov kawg ntawm cov xaim kom ntseeg tau tias kev sib cuag zoo thiab tsis txhob overheating vim kev sib cuag tsis zoo.
Kev xaiv qhov chaw: cov hluav taws xob hluav taws xob yuav tsum tau muab tso rau hauv qhov chaw qhuav thiab qhov cua. Nws yuav tsum raug zam nyob rau hauv cov av noo, kub kub los yog corrosive gas ib puag ncig, thiaj li tsis cuam tshuam rau nws ib txwm ua hauj lwm thiab kev pab cuam lub neej. Thaum txhim kho cov hluav taws xob hluav taws xob hluav taws xob hauv chav ua noj thiab chav dej, lawv yuav tsum tau nruab rau hauv txoj haujlwm uas yooj yim rau kev khiav lag luam thiab tswj, thaum tiv thaiv dej txaws thiab kev sib tsoo.
Kev saib xyuas tsis tu ncua
Kev tshuaj xyuas qhov pom: Tshawb xyuas qhov tshwm sim ntawm cov hluav taws xob hluav taws xob tsis tu ncua rau kev puas tsuaj, deformation, discoloration, thiab lwm yam..
Kev sim ua haujlwm: Ua qhov kev sim ua haujlwm ntawm cov hluav taws xob hluav taws xob hluav taws xob tsawg kawg ib hlis ib zaug. Nias lub pob kuaj xyuas kom paub tseeb tias cov hluav taws xob hluav taws xob hluav taws xob ua haujlwm tau zoo thiab txiav tawm lub zog hluav taws xob. Thaum lub sij hawm sim, yog tias cov hluav taws xob hluav taws xob tsis ua haujlwm zoo, nws yuav tsum tau kho lossis hloov raws sijhawm.
Ntxuav thiab tswj: tsis tu ncua ntxuav cov plua plav thiab av ntawm qhov chaw ntawm lub tshuab hluav taws xob kom cov hluav taws xob hluav taws xob kom huv si thiab huv si. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov, txawm li cas los xij, thaum lub sijhawm ntxuav, tsis txhob so nrog cov ntaub ntub dej kom tsis txhob muaj hluav taws xob.
Xaus:
Chav ua noj thiab chav dej yog qhov chaw muaj kev pheej hmoo siab rau kev siv hluav taws xob hauv tsev, thiab lawv txoj kev nyab xeeb yog qhov tseem ceeb tshaj plaws. Cov hluav taws xob hluav taws xob hluav taws xob muaj lub luag haujlwm tseem ceeb ntawm lub sijhawm tiag tiag - saib xyuas cov dej xau, hluav taws xob sai, tiv thaiv hluav taws xob hluav taws xob thiab ua kom cov khoom siv hluav taws xob ua haujlwm zoo. Nws tau dhau los ua ib qho khoom siv tsis tseem ceeb rau chav ua noj thiab chav dej kev nyab xeeb. Thaum xaiv hom, qhov hluav taws xob hluav taws xob hluav taws xob uas tsis muaj qhov ntsuas hluav taws xob tam sim no, ntsuas tam sim no, lub sijhawm khiav, tus naj npawb thiab hom yuav tsum raug xaiv kom tsim nyog raws li qhov tseeb ntawm chav ua noj thiab chav dej. Nyob rau tib lub sijhawm, nyob rau hauv cov txheej txheem ntawm kev teeb tsa thiab kev saib xyuas, nws yog ib qho tsim nyog yuav tsum tau ua haujlwm nruj raws li cov lus qhia tshwj xeeb kom ntseeg tau tias cov hluav taws xob hluav taws xob tuaj yeem ua haujlwm tau zoo thiab muab kev lees paub txog kev nyab xeeb hluav taws xob ntawm peb chav ua noj thiab chav dej. Cia peb muab qhov tseem ceeb rau lub luag haujlwm ntawm cov hluav taws xob hluav taws xob hluav taws xob, siv kom raug thiab tswj cov hluav taws xob hluav taws xob hluav taws xob, sib koom ua ke los tsim kom muaj kev nyab xeeb thiab xis nyob hauv tsev.