Lub tshuab hluav taws xob xau: xyuas kom muaj kev nyab xeeb ntawm hluav taws xob
Lub tshuab hluav taws xob xau, tseem hu uaLub tshuab hluav taws xob seem tam sim no (RCD)), yog ib qho tseem ceeb hauv lub zog fais fab thiab ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev nyab xeeb ntawm tib neeg thiab khoom vaj khoom tsev. Lub cuab yeej no yog tsim los tiv thaiv kev pheej hmoo ntawm kev raug hluav taws xob thiab hluav taws xob los ntawm qhov tsis zoo ntawm kev xau. Hauv tsab xov xwm no, peb yuav tshawb nrhiav qhov tseem ceeb ntawm cov cuab yeej hluav taws xob xau av, lawv cov haujlwm thiab cov txiaj ntsig ntawm kev teeb tsa cov cuab yeej hluav taws xob xau av hauv ntau qhov chaw.
Lub luag haujlwm tseem ceeb ntawm lub tshuab hluav taws xob xau av yog saib xyuas qhov hluav taws xob ntws los ntawm lub voj voog. Nws yog tsim los ntes txhua qhov tsis sib npaug ntawm cov xov hlau uas muaj sia thiab cov xov hlau tsis muaj zog uas yuav tshwm sim vim muaj teeb meem ntawm lub cev hluav taws xob lossis txoj kev hauv av tsis tau xav txog. Thaum pom qhov tsis sib npaug no, lub tshuab hluav taws xob seem yuav cuam tshuam qhov hluav taws xob sai sai, tiv thaiv kev raug mob.
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm cov cuab yeej hluav taws xob uas xau av yog lawv lub peev xwm los tiv thaiv kev raug hluav taws xob poob siab. Yog tias muaj qhov txhaum tshwm sim, xws li thaum ib tug neeg kov ib lub xov hlau uas muaj sia nyob, lub cuab yeej hluav taws xob seem yuav teb los ntawm kev txiav tawm lub zog fais fab, txo qhov kev pheej hmoo ntawm kev raug mob lossis kev tuag. Qhov no yog qhov tseem ceeb tshwj xeeb hauv cov chaw nyob, chaw ua lag luam, thiab chaw ua haujlwm uas muaj xwm txheej hluav taws xob tuaj yeem muaj teeb meem loj.
Tsis tas li ntawd xwb, cov cuab yeej txiav hluav taws xob uas xau av pab txo qhov ua tau hluav taws xob kub hnyiab. Los ntawm kev txiav hluav taws xob sai sai thaum pom qhov txhaum, cov khoom siv no pab tiv thaiv kom tsis txhob kub dhau thiab arc, uas yog cov ua rau muaj hluav taws xob ntau hauv cov tshuab hluav taws xob. Txoj hauv kev tiv thaiv kev nyab xeeb no tuaj yeem txo qhov ua tau ntawm kev puas tsuaj thiab kev poob khoom.
Cov qauv kev nyab xeeb hluav taws xob thiab cov cai hauv ntau lub tebchaws yuam kom muaj kev teeb tsa cov khoom siv hluav taws xob seem. Hauv cov tsev nyob feem ntau xav tau lawv hauv cov chaw xws li chav ua noj, chav dej thiab cov qhov hluav taws xob sab nraum zoov uas muaj kev pheej hmoo ntawm cov dej noo thiab nyob ze rau dej ua rau muaj kev xau hluav taws xob ntau ntxiv. Hauv cov chaw lag luam thiab kev lag luam, cov khoom siv hluav taws xob xau av yog qhov tseem ceeb rau kev tiv thaiv tib neeg thiab cov khoom siv los ntawm kev phom sij hluav taws xob.
Nws tsim nyog sau tseg tias muaj ntau hom earth leakage circuit breakers, suav nrog fixed, portable thiab socket-type RCDs, thiab txhua hom yog tsim los rau ib qho kev siv tshwj xeeb. Tsis tas li ntawd, muaj cov variants xws li Hom AC, Hom A thiab Hom B RCDs, uas muaj ntau qib kev rhiab heev thiab kev tiv thaiv tiv thaiv ntau yam fault currents. Kev xaiv hom residual current circuit breaker yog qhov tseem ceeb rau kev ua kom muaj kev tiv thaiv tag nrho rau ib lub tshuab hluav taws xob.
Kev kuaj xyuas thiab kho cov khoom siv hluav taws xob seem tsis tu ncua yog qhov tseem ceeb kom paub tseeb tias lawv ua haujlwm tau zoo. Kev kuaj xyuas tsis tu ncua pab kom ntseeg tau tias cov khoom siv tuaj yeem teb rau qhov teeb meem xau thiab tuaj yeem cuam tshuam hluav taws xob yog tias tsim nyog. Tsis tas li ntawd, kev saib xyuas thiab kev tshuaj xyuas tas mus li los ntawm cov kws tshaj lij tsim nyog yog qhov tsim nyog los txheeb xyuas thiab daws txhua yam teeb meem uas yuav ua rau lub zog ntawm cov khoom siv hluav taws xob seem tsis zoo.
Hauv ntej, lub tshuab hluav taws xob xau yog ib feem tseem ceeb ntawm lub zog fais fab thiab yog ib txoj kab tiv thaiv tseem ceeb los tiv thaiv kev raug hluav taws xob thiab hluav taws xob kub hnyiab. Lawv lub peev xwm los ntes thiab teb rau qhov tsis ua haujlwm xau yog qhov tseem ceeb rau kev tiv thaiv lub neej thiab khoom vaj khoom tsev. Los ntawm kev ua raws li cov qauv kev nyab xeeb thiab xyuas kom meej tias kev teeb tsa thiab kev saib xyuas kom zoo, kev siv dav dav ntawm cov tshuab hluav taws xob xau av pab muab ib puag ncig hluav taws xob muaj kev nyab xeeb dua rau txhua tus.
Lub sijhawm tshaj tawm: Lub Rau Hli-25-2024