Kev Nkag SiabCov Hluav Taws Xob Hluav Taws XobCov Khoom Siv Kev Nyab Xeeb Tseem Ceeb hauv Cov Txheej Txheem Hluav Taws Xob
Cov cuab yeej hluav taws xob (circuit breakers) yog cov khoom tseem ceeb hauv cov tshuab hluav taws xob, ua haujlwm ua cov khoom siv tiv thaiv kom tsis txhob muaj kev puas tsuaj los ntawm kev thauj khoom ntau dhau thiab luv luv. Cov cuab yeej hluav taws xob no yog tsim los txiav cov hluav taws xob thaum pom muaj qhov tsis zoo, yog li ua kom muaj kev nyab xeeb ntawm lub tshuab hluav taws xob thiab nws cov neeg siv. Tsab xov xwm no yuav saib tob txog cov haujlwm, hom, thiab qhov tseem ceeb ntawm cov cuab yeej hluav taws xob hauv cov khoom siv hluav taws xob niaj hnub no.
Lub luag haujlwm tseem ceeb ntawm lub circuit breaker yog qhib thiab kaw lub voj voog hluav taws xob. Tsis zoo li cov fuses uas yuav tsum tau hloov tom qab lawv tawg, cov circuit breakers tuaj yeem rov pib dua tom qab lawv trip, ua rau lawv yooj yim dua thiab ua tau zoo dua kev xaiv tiv thaiv hluav taws xob. Thaum muaj teeb meem hluav taws xob xws li luv luv lossis overload tshwm sim, lub circuit breaker ntes tau qhov hluav taws xob tsis zoo thiab txiav lub voj voog, tiv thaiv kev phom sij xws li hluav taws xob hluav taws xob lossis khoom siv puas tsuaj.
Muaj ntau hom circuit breakers, txhua hom tsim los rau cov kev siv thiab ib puag ncig tshwj xeeb. Cov hom feem ntau suav nrog:
1. Lub Tshuab Hluav Taws Xob Me Me (MCB)Hom circuit breaker no siv rau hauv cov tsev nyob thiab cov lag luam los tiv thaiv kev overloads thiab luv circuits. Miniature circuit breakers muaj qhov ntsuas voltage qis dua thiab feem ntau yog siv rau hauv cov khoom siv faib hluav taws xob.
2. Cov Khoom Siv Hluav Taws Xob Uas Nyob Twj Ywm (RCCB)Cov cuab yeej hluav taws xob no, tseem hu ua Cov Khoom Siv Hluav Taws Xob seem (RCD), tiv thaiv kev puas tsuaj hauv av los ntawm kev ntes qhov tsis sib npaug ntawm tam sim no. Lawv yog qhov tseem ceeb rau kev tiv thaiv kev poob hluav taws xob thiab feem ntau siv rau hauv cov chaw ntub dej xws li chav dej thiab chav ua noj.
3. Moulded Case Circuit Breaker (MCCB)Hom circuit breaker no siv rau hauv kev siv hauv kev lag luam thiab tuaj yeem tswj tau qhov ntsuas tam sim no siab dua. MCCBs muab kev tiv thaiv overload, luv circuit, thiab av txhaum thiab tsim nyog rau cov kab ke hluav taws xob loj.
4. Cov Hluav Taws Xob Hluav Taws Xob (ACB)Cov ACBs yog tsim los rau cov ntawv thov hluav taws xob siab thiab siv rau hauv cov chaw hloov hluav taws xob thiab cov chaw tsim khoom loj. Lawv tuaj yeem tswj cov khoom siv hluav taws xob siab dua thiab muab kev tiv thaiv zoo tiv thaiv kev ua txhaum hluav taws xob.
Qhov tseem ceeb ntawm cov circuit breakers tsis tuaj yeem hais ntau dhau. Lawv ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev nyab xeeb thiab kev ntseeg siab ntawm cov kab ke hluav taws xob. Los ntawm kev tiv thaiv kev thauj khoom ntau dhau thiab luv luv circuits, circuit breakers pab tiv thaiv tsis yog cov khoom siv hluav taws xob xwb, tab sis kuj tseem tiv thaiv cov khoom siv thiab cov khoom siv txuas nrog nws. Kev tiv thaiv no tseem ceeb heev rau kev lag luam thiab kev lag luam, qhov twg cov khoom siv tsis ua haujlwm tuaj yeem ua rau muaj kev poob nyiaj txiag loj thiab kev nyab xeeb.
Ntxiv rau lawv cov haujlwm tiv thaiv, cov cuab yeej hluav taws xob ua kom zoo dua qhov ua tau zoo ntawm cov tshuab hluav taws xob. Los ntawm kev tswj hwm cov khoom siv hluav taws xob kom zoo, cov cuab yeej hluav taws xob ua rau muaj kev sib koom ua ke ntawm cov chaw siv hluav taws xob rov ua dua tshiab xws li cov vaj huam sib luag hnub ci thiab cov cua tshuab rau hauv lub grid. Qhov kev hloov pauv no yog qhov tseem ceeb thaum lub ntiaj teb txav mus rau kev daws teeb meem hluav taws xob uas ruaj khov dua.
Kev saib xyuas thiab kuaj xyuas cov circuit breakers tsis tu ncua yog qhov tseem ceeb kom ntseeg tau tias lawv muaj kev ntseeg siab thiab ua haujlwm tau zoo. Cov kws tshaj lij hluav taws xob pom zoo kom kuaj xyuas tsis tu ncua kom pom cov cim ntawm kev hnav, xeb, lossis kev ua haujlwm tsis zoo. Txoj hauv kev no pab nrhiav cov teeb meem ua ntej lawv loj hlob mus ua teeb meem loj.
Hauv kev xaus lus, cov circuit breakers yog ib qho khoom siv kev nyab xeeb tseem ceeb hauv cov kab ke hluav taws xob, muab kev tiv thaiv overload thiab luv luv circuit. Muaj ntau hom circuit breakers, haum rau ntau yam kev siv, ua kom muaj kev nyab xeeb thiab ua haujlwm tau zoo ntawm cov khoom siv hluav taws xob. Raws li thev naus laus zis txuas ntxiv txhim kho, cov circuit breakers yuav txuas ntxiv mus ua ib qho tseem ceeb hauv kev tiv thaiv cov khoom siv hluav taws xob, ua rau lawv yog ib qho khoom siv tseem ceeb rau cov neeg siv hauv tsev thiab kev lag luam. Kev nkag siab txog kev ua haujlwm thiab qhov tseem ceeb ntawm cov circuit breakers yog qhov tseem ceeb rau kev tswj hwm ib puag ncig hluav taws xob muaj kev nyab xeeb thiab txhim khu kev qha.
Lub sijhawm tshaj tawm: Tsib Hlis-22-2025