Cov Nta Ntawm Residual Tam sim no pab kiag li lawm (RCDs)

Residual Tam sim no pab kiag (RCDs), Kuj tseem yog cov chaw seem ntawm Circuit Court tam sim no (RCCBLBLS), yog cov cuab yeej muaj kev nyab xeeb rau kev nyab xeeb hauv kev siv hluav taws xob. Lawv tiv thaiv tib neeg los ntawm hluav taws xob thiab pab tiv thaiv hluav taws los ntawm cov teeb meem hluav taws xob. RCDs ua haujlwm los ntawm kev kuaj hluav taws xob tas li los ntawm cov xov hlau. Yog tias lawv pom tias muaj hluav taws xob muaj hluav taws xob xau qhov twg nws tsis txhob, lawv kaw lub zog. Qhov kev ua tau sai no tuaj yeem cawm tau lub neej los ntawm kev cheem hluav taws xob phom sij ua ntej lawv tshwm sim.

RCDs muaj txiaj ntsig tshwj xeeb tshaj yog nyob rau hauv cov chaw uas yuav siv hluav taws xob uas yuav sib xyaw, ua chav ua noj thiab chav ua noj muaj peev xwm ua rau hluav taws xob ntau dua. Lawv tseem tseem ceeb rau cov chaw tsim chaw thiab lwm qhov chaw uas muaj hluav taws xob sib tsoo tuaj yeem tshwm sim yooj yim. RCDs tuaj yeem kuaj txawm tias cov hluav taws xob me me mus mus ua yuam kev, uas ua rau lawv zoo heev ntawm kev ua kom tib neeg muaj kev nyab xeeb. Lawv ua haujlwm nrog lwm cov kev ntsuas kev nyab xeeb, zoo li cov xaim hluav taws xob kom zoo thiab hauv hluav taws xob kom nyab xeeb kom nyab xeeb. Hauv ntau lub tebchaws, txoj cai yuav tsum muaj RCDs yuav tsum tau nruab hauv tsev thiab chaw ua haujlwm vim tias lawv tau zoo rau kev tiv thaiv kev sib tw. Zuag qhia tag nrho, RCDs ua si ib lub luag haujlwm tseem ceeb hauv kev ua peb txoj kev siv hluav taws xob txhua hnub muaj kev nyab xeeb dua.

Cov yam ntxwv ntawm cov khoom siv tam sim no (Pob mov)

High rhiab heev rau to tam sim no

RCDs yog tsim los xyuas cov hluav taws xob me me uas mus qhov twg lawv tsis ua. Qhov no hu ua toeakage tam sim no. Feem ntau cov RCDs tuaj yeem pom cov chaw kom me me li 30 milliamps (ma), uas tsuas yog ib feem me me ntawm hluav taws xob uas ib txwm ntws hauv Circuit Court. Qee qhov RCDs siv nyob rau hauv cov chaw ntxiv-rhiab tuaj yeem kuaj pom me me li 10 ma. Qhov kev siab loj no yog qhov tseem ceeb vim tias txawm muaj hluav taws xob me me ntawm tus neeg lub cev muaj kev phom sij. Los ntawm kev tshawb xyuas cov dej xau me me, RCDs tuaj yeem tiv thaiv kev siv hluav taws xob ua ntej lawv ua kev phom sij. Cov yeeb yam no ua rau RCDs muaj kev nyab xeeb dua li cov foob pob sib cav sib ceg, uas tsuas yog hnov ​​mob rau cov teeb meem loj dua.

Fast Tripping Mechanism

Thaum ib RCD kuaj tau teeb meem, nws yuav tsum ua kom ua tau sai rau kev tiv thaiv kev phom sij. RCDs tau tsim los rau "dawm" lossis kaw lub hwj chim hauv ib feem ntawm ib ob. Feem ntau cov RCDs tuaj yeem txiav lub zog hauv tsawg dua 40 milliseconds (uas yog 40 txhiab ntawm thib ob). Qhov nrawm no yog qhov tseem ceeb vim tias nws tuaj yeem ua qhov sib txawv ntawm kev poob siab me thiab ib qho kev poob siab lossis kev poob siab. Kev nrawm nrawm ua haujlwm los ntawm kev siv tus nqi hloov tshwj xeeb uas yog txhais los ntawm kev kuaj pom ntawm toast tam sim no. Qhov kev ua tau sai no yog dab tsi ua RCDs thiaj li ua tau zoo ntawm kev tiv thaiv hluav taws xob kev raug mob.

Tsis Siv Neeg Reset Muaj Peev Xwm

Coob leej RCDs niaj hnub tuaj nrog lub tshuab pib dua tshiab. Qhov no txhais tau tias tom qab RCD tau tripped thiab qhov teeb meem tau raug tsau, nws tuaj yeem tig nws tus kheej rov qab rau yam tsis muaj ib tus neeg muaj teeb meem. Qhov no pab tau nyob rau thaj chaw uas muaj qhov teeb meem ib ntus uas yuav ua rau RCD mus ncig ua si, zoo li lub zog sib tw thaum lub zog nag. Txawm li cas los xij, nws yog ib qho tseem ceeb kom nco ntsoov tias yog tias RCD khaws cia tripping, nws feem ntau txhais tau tias muaj teeb meem txuas ntxiv uas yuav tsum tau kho los ntawm hluav taws xob txuas ntxiv. Lub tshuab pib dua tshiab yog tsim kom muaj kev sib npaug

Tuav khawm

RCDs tuaj nrog lub pob ntsuas uas tso cai rau cov neeg siv tshuaj xyuas yog tias lub cuab yeej ua haujlwm tau zoo. Thaum koj nias lub pob no, nws tsim ib qho me me, tswj cov toast tam sim no. Qhov no simulates lub txhaum no, thiab yog tias RCD tab tom ua haujlwm raug, nws yuav tsum mus ncig tam sim ntawd. Nws tau pom zoo kom xeem RCDs tsis tu ncua, feem ntau yog ib zaug ib hlis, kom ntseeg tau tias lawv ua haujlwm zoo. Qhov no yooj yim no muab txoj hauv kev yooj yim los xyuas tau tias lawv cov cuab yeej muaj kev nyab xeeb yog npaj tau los tiv thaiv lawv yog tias qhov kev txhaum tiag tshwm sim. Kev sim tsis tu ncua pab ntes cov teeb meem nrog RCD nws tus kheej ua ntej muaj kev phom sij tshwm sim.

Xaiv thiab Sijhawm-Sijhawm

Qee qhov RCDs, tshwj xeeb tshaj yog cov siv nyob rau hauv cov hluav taws xob loj dua lossis ntau dua cov hluav taws xob uas muaj zog, los nrog cov kev xaiv lossis sijhawm. Cov qauv no tso cai RCD los tswj hwm nrog lwm cov khoom siv tiv thaiv hauv lub system. Ib qho kev xaiv RCD tuaj yeem paub qhov txawv ntawm qhov ua txhaum ntawm nws tus kheej Circuit Court thiab qhov kev ua txhaum ntxiv rau txoj kab kev tsim nyog cais cov teeb meem. Lub sijhawm-ncua RCDs tos ib lub sijhawm luv luv ua ntej tripping, tso cai rau lub sijhawm surges kom dhau yam tsis muaj lub zog. Cov kev xaiv no muaj txiaj ntsig tshwj xeeb hauv cov chaw muaj nqis lossis cov tsev loj uas tswj cov hluav taws xob tseem ceeb, thiab muaj ntau txheej tiv thaiv tau nyob hauv qhov chaw.

Dual muaj nuj nqi: RCD thiab Circuit Court breaker ua ke

Ntau cov khoom niaj hnub niaj hnub ua ke cov haujlwm ntawm RCD nrog cov neeg ua txhaum cai raws li ib puag ncig. Cov no feem ntau hu ua RCBOS (Residual tam sim no nrog kev tiv thaiv overcurrent). Qhov kev ua tau zoo no txhais tau tias cov cuab yeej tuaj yeem tiv thaiv ob qho tognage tam sim no (zoo li tus qauv RCD) thiab ntau dua los yog Luv Lij Circuit Court). Qhov ua haujlwm sib xyaw ua ke txuag chaw hauv cov hluav taws xob thiab muab kev tiv thaiv thoob plaws hauv ib lub cuab yeej. Nws yog qhov tshwj xeeb tshwj xeeb hauv tsev thiab cov lag luam me me uas thaj chaw rau cov khoom siv hluav taws xob yuav txwv.

Txawv rhiab ratings rau ntau yam kev siv

RCDs tuaj nrog sib txawv rhiab ntsuas kom haum cov kev siv. Kev ntsuas kev siv nyiaj ntau tshaj plaws rau kev siv tsev neeg yog 30 ma, uas muab kev nyab xeeb ntawm kev nyab xeeb thiab zam kev tsis tsim nyog. Txawm li cas los xij, nyob rau qee qhov xwm txheej, sib txawv rhiab yog xav tau. Piv txwv li, hauv cov chaw muaj kev lag luam uas cov tshuab loj loj (zoo li 100 lossis 300 ma) yuav siv los txhawm rau txhawm rau txhawm rau kev ua haujlwm ntawm cov tshuab. Ntawm qhov tod tes, nyob rau hauv thaj chaw ntxiv xws li cov pas dej da dej lossis chaw kho mob, zoo li 10 ma) yuav siv rau kev nyab xeeb tshaj plaws. Qhov ntau ntawm chanrativities tso cai RCDs yuav ua rau cov kev xav tau ntawm cov chaw sib txawv.

Tag

Residual Tam sim no pab kiag (RCDs)yog qhov tseem ceeb rau hluav taws xob kev nyab xeeb hauv peb tsev thiab chaw ua haujlwm. Lawv ntes tau sai sai thiab nres cov dej hluav taws xob txaus ntshai, tiv thaiv kev poob siab thiab hluav taws kub. Nrog cov yam ntxwv xws li cov siab rhiab siab, ceev ceev, thiab kev sim yooj yim, RCDs muab kev tiv thaiv kev tsim nyog. Lawv tuaj yeem ua haujlwm hauv cov chaw sib txawv, los ntawm cov chav dej kom muaj cov Hoobkas, yoog raws ntau yam kev xav tau. Qee tus RCDs txawm muab ntau cov haujlwm ntau yam, ua rau lawv muaj txiaj ntsig zoo. Kev xeem tsis tu ncua pab kom lawv ib txwm npaj los tiv thaiv peb. Thaum peb siv cov khoom siv hluav taws xob hauv peb lub neej txhua hnub, nyiaj RCDs ua qhov tseem ceeb dua. Lawv muab kev thaj yeeb nyab xeeb rau peb, paub tias peb muaj kev tiv thaiv tsis muaj kev phom sij. Zuag qhia tag nrho, RCDs ua si ib lub luag haujlwm tseem ceeb hauv kev ua kom peb muaj kev nyab xeeb nyob ib puag ncig hluav taws xob.