Kev Nkag SiabMCBthiabRCCBCov Ntsiab Lus Tseem Ceeb ntawm Kev Nyab Xeeb Hluav Taws Xob
Hauv kev teeb tsa hluav taws xob, kev nyab xeeb yog qhov tseem ceeb tshaj plaws. Ob lub ntsiab lus tseem ceeb uas ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev nyab xeeb hluav taws xob yog Miniature Circuit Breaker (MCB) thiab Residual Current Circuit Breaker (RCCB). Ob lub cuab yeej no ua haujlwm sib txawv tab sis feem ntau siv ua ke los muab kev tiv thaiv tag nrho tiv thaiv kev ua txhaum hluav taws xob. Tsab xov xwm no muab kev saib tob txog cov haujlwm, qhov sib txawv, thiab kev siv ntawm MCBs thiab RCCBs, hais txog lawv qhov tseem ceeb hauv cov kab ke hluav taws xob niaj hnub no.
Lub tshuab hluav taws xob me me yog dab tsi?
Lub tshuab hluav taws xob me me (MCB) yog lub qhov hloov pauv tsis siv neeg uas tiv thaiv cov circuits ntawm kev overloads thiab luv circuits. Thaum cov hluav taws xob ntws los ntawm lub circuit tshaj qhov txwv uas tau teem tseg, MCB trips, cuam tshuam cov hluav taws xob ntws. Qhov no tiv thaiv kev puas tsuaj rau cov khoom siv thiab txo qhov kev pheej hmoo ntawm hluav taws los ntawm kev kub dhau ntawm cov xov hlau.
Qhov ntsuas ntawm MCB yog raws li nws lub peev xwm nqa tam sim no, uas feem ntau yog txij li 6A txog 63A. Lawv tau tsim los kom rov pib dua tes tom qab tripping, ua rau lawv yog qhov kev xaiv yooj yim rau cov kab ke hluav taws xob hauv tsev thiab lag luam. MCBs yog qhov tseem ceeb rau kev tiv thaiv cov circuits ib leeg xws li teeb pom kev zoo, cua sov thiab cov qhov hluav taws xob, kom ntseeg tau tias txhua qhov txhaum hauv ib lub circuit tsis cuam tshuam rau tag nrho cov kab ke hluav taws xob.
RCCB yog dab tsi?
Cov cuab yeej hluav taws xob seem (RCCB), tseem hu ua cov cuab yeej hluav taws xob seem (RCD), yog tsim los tiv thaiv kev raug hluav taws xob thiab hluav taws xob los ntawm kev puas tsuaj hauv av. Nws ntes tau qhov tsis sib npaug ntawm cov xov hlau uas muaj sia thiab cov xov hlau tsis muaj zog, uas tuaj yeem tshwm sim thaum cov hluav taws xob xau mus rau hauv av, qhia txog qhov ua tau tias muaj kev puas tsuaj. Yog tias RCCB ntes tau qhov sib txawv ntawm cov hluav taws xob ntws, nws yuav mus tsis txog hauv milliseconds thiab ua rau lub voj voog tawg, txo qhov kev pheej hmoo ntawm kev raug hluav taws xob poob siab.
RCCBs muaj ntau hom kev ntsuas, feem ntau yog txij li 30mA rau kev tiv thaiv tus kheej mus txog 100mA lossis 300mA rau kev tiv thaiv hluav taws. Tsis zoo li MCBs, RCCBs tsis muab kev tiv thaiv overload lossis luv luv; yog li ntawd, lawv feem ntau siv ua ke nrog MCBs kom ntseeg tau tias muaj kev nyab xeeb hluav taws xob tag nrho.
Qhov Txawv Tseem Ceeb ntawm MCB thiab RCCB
Txawm hais tias ob qho tib si MCBs thiab RCCBs yog qhov tseem ceeb rau kev nyab xeeb hluav taws xob, lawv muaj cov haujlwm sib txawv:
1. Hom Kev Tiv Thaiv: MCB muab kev tiv thaiv overload thiab luv luv Circuit Court, RCCB muab kev tiv thaiv av txhaum thiab hluav taws xob poob siab.
2. Lub Tshuab Ua Haujlwm: Lub tshuab hluav taws xob me me ua haujlwm raws li qib tam sim no thiab mus ncig thaum tam sim no tshaj qhov txwv teem tseg. Qhov sib piv, RCCB ua haujlwm ntawm lub hauv paus ntsiab lus ntawm kev sib npaug ntawm cov xov hlau muaj sia thiab cov xov hlau tsis muaj zog.
3. Lub tshuab pib dua: MCB tuaj yeem pib dua manually tom qab tripping, thaum RCCB yuav tsum tau kuaj xyuas thiab daws teeb meem ua ntej pib dua.
4. Daim Ntawv Thov: MCBs feem ntau siv rau kev tiv thaiv hluav taws xob hauv thaj chaw nyob thiab chaw ua lag luam, thaum RCCBs yog qhov tseem ceeb hauv cov cheeb tsam uas muaj kev pheej hmoo ntawm hluav taws xob xws li chav dej, chav ua noj thiab kev teeb tsa sab nraum zoov.
Qhov tseem ceeb ntawm kev siv ob qho tib si MCB thiab RCCB
Rau kev nyab xeeb hluav taws xob zoo tshaj plaws, nws raug pom zoo kom siv MCB thiab RCCB ua ke. MCB muab kev tiv thaiv overload thiab luv luv circuit, RCCB muab kev tiv thaiv earth fault thiab electric shock. Kev sib xyaw ua ke no ua kom ntseeg tau tias cov kab ke hluav taws xob tau tiv thaiv los ntawm ntau yam kev phom sij, yog li ua rau tus neeg siv thiab khoom muaj kev nyab xeeb ntau dua.
Hauv kev xaus lus, kev nkag siab txog lub luag haujlwm ntawm MCBs thiab RCCBs yog qhov tseem ceeb rau txhua tus neeg koom nrog kev teeb tsa hluav taws xob lossis kev saib xyuas. Los ntawm kev koom ua ke ob lub cuab yeej rau hauv lub kaw lus hluav taws xob, qhov kev pheej hmoo ntawm kev raug mob hluav taws xob tuaj yeem txo qis, ua kom muaj ib puag ncig zoo dua rau txhua tus. Txawm hais tias nyob hauv tsev, chaw ua lag luam lossis chaw ua haujlwm, kev koom ua ke ntawm MCBs thiab RCCBs yog ib qho tseem ceeb ntawm kev coj ua kev nyab xeeb hluav taws xob niaj hnub no.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-11-2024