LubMCB txuas (lossis lub tshuab hluav taws xob me me)yog ib qho tseem ceeb hauv txhua lub tshuab hluav taws xob. Nws ua haujlwm ua lub cuab yeej kev nyab xeeb tseem ceeb, tiv thaiv cov circuits los ntawm kev overloads thiab luv circuits. Lub cuab yeej me me thiab ntau yam no tau tsim los txiav hluav taws xob tam sim ntawd thaum pom qhov ua yuam kev, tiv thaiv kev puas tsuaj rau lub tshuab hluav taws xob thiab ua kom muaj kev nyab xeeb rau tus neeg siv.
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm cov MCBs uas ntsaws rau hauv yog qhov yooj yim ntawm kev teeb tsa. Tsis zoo li cov hluav taws xob ib txwm muaj uas yuav tsum tau txuas nrog thiab teeb tsa rau ntawm lub vaj huam sib luag, cov MCBs uas ntsaws rau hauv tsuas yog ntsaws rau hauv lub vaj huam sib luag sib xws. Qhov no ua rau nws yog qhov kev xaiv yooj yim rau ob qho tib si kev siv hauv tsev thiab kev lag luam, uas tso cai rau kev teeb tsa sai, tsis muaj kev txhawj xeeb.
Tsis tas li ntawd xwb, qhovMCB txuasyog tsim los kom yooj yim hloov, ua rau kev saib xyuas thiab kho yooj yim heev. Yog tias muaj kev puas tsuaj lossis kev thauj khoom ntau dhau, MCB tuaj yeem tshem tawm sai sai thiab hloov nrog lub tshiab, txo lub sijhawm tsis ua haujlwm thiab ua kom lub zog hluav taws xob ua haujlwm zoo.
Qhov me me ntawm cov MCBs uas txuas nrog kuj ua rau lawv zoo tagnrho rau cov ntawv thov uas qhov chaw tsawg. Txawm hais tias nyob rau hauv lub qhov hloov pauv uas muaj neeg coob coob lossis lub thawv khoom siv me me, cov MCBs uas txuas nrog muaj qhov chaw me me, tso cai rau kev siv qhov chaw zoo yam tsis muaj kev cuam tshuam kev ua haujlwm.
Ntxiv rau qhov siv tau yooj yim thiab yooj yim rau kev teeb tsa, cov MCBs uas ntsaws rau hauv tau tsim los nrog kev nyab xeeb hauv siab. Cov khoom siv no raug kuaj xyuas kom zoo kom ntseeg tau tias lawv ua tau raws li cov qauv kev nyab xeeb nruj, ua rau cov neeg teeb tsa thiab cov neeg siv kawg muaj kev thaj yeeb nyab xeeb.
Thaum xaiv lub MCB ntsaws rau ib daim ntawv thov tshwj xeeb, nws yog ib qho tseem ceeb uas yuav tsum xav txog qhov xav tau hluav taws xob ntawm lub voj voog thiab cov yam ntxwv ntawm kev thauj khoom. Cov MCB sib txawv yog tsim los tswj cov qib sib txawv ntawm tam sim no thiab muaj cov kab sib txawv tripping kom haum rau cov hom kev thauj khoom tshwj xeeb. Nws yog ib qho tseem ceeb uas yuav tsum xaiv MCB zoo uas tuaj yeem tiv thaiv lub voj voog yam tsis muaj kev cuam tshuam ntau dhau lossis qeeb teb.
Hauv kev xaus, cov MCBs uas ntsaws rau hauv yog ib qho tseem ceeb hauv txhua lub tshuab hluav taws xob, muab kev tiv thaiv kev thauj khoom ntau dhau thiab luv luv. Lawv qhov yooj yim ntawm kev teeb tsa, qhov loj me me thiab cov yam ntxwv kev nyab xeeb ua rau lawv yog qhov kev xaiv zoo rau ntau yam kev siv. Txawm hais tias nyob rau hauv tsev nyob, kev lag luam lossis kev lag luam, cov khoom siv hluav taws xob me me ntsaws rau hauv muab kev daws teeb meem kev tiv thaiv hluav taws xob yooj yim thiab zoo. Los ntawm kev xaiv cov khoom siv hluav taws xob me me raws li qhov xav tau tshwj xeeb ntawm lub voj voog, cov neeg siv tuaj yeem ua kom muaj kev nyab xeeb thiab kev ntseeg siab ntawm lawv cov tshuab hluav taws xob rau ntau xyoo tom ntej.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-05-2023