ELCB (Lub Tshuab Hluav Taws Xob Tawm Hauv Av)yog ib qho khoom siv kev nyab xeeb tseem ceeb hauv kev teeb tsa hluav taws xob kom tiv thaiv kev pheej hmoo ntawm kev poob siab hluav taws xob thiab hluav taws kub los ntawm qhov tsis ua haujlwm hauv av. Nws yog tsim los ntes cov dej xau me me thiab txiav tawm lub zog sai sai kom tiv thaiv kev raug mob. ELCBs feem ntau siv rau hauv tsev, chaw lag luam thiab chaw ua haujlwm kom ntseeg tau tias muaj kev nyab xeeb hluav taws xob.
Lub luag haujlwm tseem ceeb ntawm ELCB circuit breaker yog saib xyuas qhov tam sim no tsis sib npaug ntawm cov xov hlau uas muaj sia thiab cov xov hlau tsis muaj zog. Thaum muaj qhov txhaum hauv av, xws li thaum ib tug neeg kov cov xov hlau uas muaj sia lossis cov khoom siv tsis zoo ua rau tam sim no xau rau hauv av, ELCB ntes tau qhov tsis sib npaug thiab txiav tawm qhov hluav taws xob. Qhov kev teb sai no yog qhov tseem ceeb rau kev tiv thaiv kev raug hluav taws xob thiab txo qhov kev pheej hmoo ntawm hluav taws xob.
Muaj ob hom ELCB tseem ceeb: ELCB uas siv hluav taws xob thiab ELCB uas siv hluav taws xob tam sim no. Cov ELCB uas siv hluav taws xob ntes tau qhov hluav taws xob xau mus rau hauv av thiab feem ntau siv rau hauv cov tshuab hluav taws xob qis. Ntawm qhov tod tes, cov ELCB uas siv hluav taws xob tam sim no, tseem hu ua cov khoom siv tam sim no seem (RCDs), saib xyuas qhov sib txawv tam sim no ntawm cov neeg ua haujlwm nyob thiab cov neeg ua haujlwm nruab nrab thiab siv dav hauv kev teeb tsa hluav taws xob niaj hnub no.
Ntxiv rau kev muab kev tiv thaiv tiv thaiv hluav taws xob poob siab, ELCBs kuj tseem ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv cov khoom siv hluav taws xob thiab tiv thaiv kev puas tsuaj hluav taws xob thiab tshuab. Los ntawm kev cais cov voj voog tsis zoo sai sai, ELCBs pab txo qhov kev pheej hmoo ntawm kev puas tsuaj rau cov khoom siv hluav taws xob thiab txo qhov yuav tsum tau kho lossis hloov pauv kim.
Thaum txhim kho lub ELCB circuit breaker, nws yog ib qho tseem ceeb kom ntseeg tau tias nws muaj qhov loj me thiab ntsuas kom haum rau lub kaw lus hluav taws xob tshwj xeeb uas nws xav tiv thaiv. Kev kuaj xyuas thiab kev saib xyuas tsis tu ncua ntawm ELCBs kuj tseem ceeb heev kom ntseeg tau tias lawv txuas ntxiv kev ntseeg siab thiab kev ua haujlwm zoo hauv kev muab kev nyab xeeb hluav taws xob.
Hauv kev xaus lus, lub ELCB circuit breaker yog ib qho khoom siv kev nyab xeeb tseem ceeb hauv kev teeb tsa hluav taws xob, muab kev tiv thaiv tseem ceeb tiv thaiv kev poob siab hluav taws xob thiab kev phom sij hluav taws. Lawv lub peev xwm los ntes thiab teb sai rau qhov tsis ua haujlwm hauv av ua rau lawv yog ib feem tseem ceeb ntawm cov txheej txheem kev nyab xeeb hluav taws xob. Txawm hais tias nyob hauv tsev, chaw lag luam lossis chaw ua haujlwm, kev siv ELCBs yog qhov tseem ceeb rau kev ua kom muaj kev nyab xeeb tus kheej thiab tiv thaiv cov khoom siv hluav taws xob. Raws li thev naus laus zis txuas ntxiv mus, lub luag haujlwm ntawm ELCBs hauv kev nyab xeeb hluav taws xob tseem ceeb heev thiab lawv txoj kev siv txuas ntxiv yog qhov tseem ceeb rau kev txhawb nqa ib puag ncig hluav taws xob muaj kev nyab xeeb thiab ruaj ntseg.
Lub sijhawm tshaj tawm: Lub Peb Hlis-27-2024