Kev Nkag SiabCov Hluav Taws Xob Hluav Taws XobCov Khoom Siv Kev Nyab Xeeb Tseem Ceeb hauv Cov Txheej Txheem Hluav Taws Xob
Hauv ntiaj teb kev tsim hluav taws xob thiab kev nyab xeeb hauv tsev, lo lus "circuit breaker" feem ntau tshwm sim. Lub circuit breaker yog ib lub cuab yeej tseem ceeb uas tsim los tiv thaiv cov hluav taws xob ntawm kev puas tsuaj los ntawm kev thauj khoom ntau dhau lossis luv luv circuits. Los ntawm kev txiav txim siab tsis siv neeg ntawm kev ntws hluav taws xob thaum pom qhov txhaum, cov circuit breakers ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev nyab xeeb thiab kev ua haujlwm zoo ntawm cov kab ke hluav taws xob hauv tsev, chaw ua lag luam, thiab chaw ua haujlwm.
Lub tshuab hluav taws xob tawg yog dab tsi?
Lub tshuab hluav taws xob (circuit breaker) yog ib lub tshuab hluav taws xob uas qhib lossis kaw lub voj voog thaum muaj xwm txheej ib txwm muaj thiab thaum muaj xwm txheej tsis zoo. Tsis zoo li lub fuse, uas yuav tsum tau hloov tom qab nws tawg, lub tshuab hluav taws xob tuaj yeem rov pib dua tom qab nws tawg, ua rau nws yooj yim dua thiab ruaj khov dua rau kev tiv thaiv lub voj voog. Lawv muaj ntau hom thiab qhov loj me kom tau raws li qhov xav tau ntawm ntau yam kev siv.
Hom ntawm cov hluav taws xob tawg
Muaj ntau hom circuit breakers, txhua tus muaj nws lub luag haujlwm tshwj xeeb:
1. Miniature Circuit Breaker (MCB): Cov circuit breakers no feem ntau siv rau hauv cov tsev nyob thiab cov lag luam los tiv thaiv kev overloads thiab luv circuits. MCBs yog tsim los kom txiav txim siab thaum tam sim no tshaj qhov tau teem tseg.
2. Cov Khoom Siv Hluav Taws Xob Uas Nyob Twj Ywm (RCCB): Cov khoom siv hluav taws xob no, tseem hu ua RCDs (Cov Khoom Siv Hluav Taws Xob Uas Nyob Twj Ywm), yog tsim los tiv thaiv kev raug hluav taws xob los ntawm kev kuaj pom qhov hluav taws xob tsis sib npaug. Yog tias muaj qhov tsis zoo tshwm sim, xws li ib tug neeg kov cov xov hlau uas muaj zog, RCCB yuav ua rau lub zog hluav taws xob tsis ua haujlwm.
3. Lub Tshuab Hluav Taws Xob Tiv Thaiv Hluav Taws Xob Tawm (ELCB): Ib yam li RCCB, ELCB siv los nrhiav qhov teeb meem hauv av thiab tiv thaiv kev raug hluav taws xob. Lawv tseem ceeb heev rau hauv cov chaw ntub dej, xws li chav dej thiab chav ua noj.
4. Cov Tshuab Hluav Taws Xob Cua (ACB): Cov tshuab hluav taws xob no siv rau hauv cov ntawv thov hluav taws xob siab thiab tuaj yeem tswj tau cov hluav taws xob siab. ACBs feem ntau siv rau hauv cov chaw lag luam thiab tsim los tiv thaiv cov kab ke hluav taws xob loj.
5. Cov Tshuab Hluav Taws Xob Sib Nqus Hydraulic: Cov tshuab hluav taws xob no siv kev sib xyaw ua ke ntawm cov tshuab hydraulic thiab electromagnetic los txiav lub voj voog. Lawv feem ntau siv rau hauv cov tshuab hluav taws xob loj uas xav tau kev tswj hwm meej.
Yuav ua li cas cov circuit breakers ua haujlwm
Cov cuab yeej hluav taws xob ua haujlwm los ntawm kev ntes cov hluav taws xob ntau dhau. Thaum cov hluav taws xob ntws los ntawm lub voj voog ntau dua li qhov muaj peev xwm ntsuas tau ntawm lub cuab yeej hluav taws xob, nws ua rau muaj lub tshuab uas qhib lub voj voog, yog li tiv thaiv cov hluav taws xob ntws. Qhov no tuaj yeem tshwm sim rau ntau yam, xws li luv luv Circuit, overloaded Circuit, lossis muaj qhov tsis zoo hauv lub cev hluav taws xob.
Lub tshuab ua haujlwm no muaj peev xwm ua tau thermal, magnetic, lossis ua ke ntawm ob qho tib si. Lub thermal trip siv ib daim bimetallic strip uas khoov thaum cua sov los ntawm cov hluav taws xob ntau dhau, thaum lub magnetic trip siv lub electromagnet uas ua haujlwm thaum cov hluav taws xob ntau tshaj qhov txwv.
Qhov Tseem Ceeb ntawm Circuit Breakers
Qhov tseem ceeb ntawm cov circuit breakers tsis tuaj yeem hais ntau dhau. Lawv yog qhov tseem ceeb rau kev tiv thaiv hluav taws xob, tiv thaiv cov khoom siv thiab cov khoom siv kom tsis txhob puas tsuaj, thiab ua kom muaj kev nyab xeeb ntawm tus kheej. Hauv tsev, cov circuit breakers yog thawj kab tiv thaiv tiv thaiv kev phom sij ntawm hluav taws xob, uas tso cai rau cov tswv tsev rov pib dua lub kaw lus sai sai tom qab mus ncig.
Tsis tas li ntawd xwb, cov cuab yeej hluav taws xob pab txhim kho kev ua haujlwm ntawm cov tshuab hluav taws xob. Los ntawm kev tiv thaiv kev thauj khoom ntau dhau, cov cuab yeej hluav taws xob pab tswj kev ua haujlwm ntawm cov khoom siv hluav taws xob, txo qhov kev pheej hmoo ntawm kev kho kim thiab lub sijhawm tsis ua haujlwm.
TXOJ CAI QHIA
Xaus lus, cov khoom siv hluav taws xob yog ib feem tseem ceeb ntawm cov tshuab hluav taws xob niaj hnub no. Lawv yog qhov tseem ceeb rau kev nyab xeeb ntawm cov tsev, cov lag luam, thiab cov chaw ua haujlwm vim lawv tiv thaiv kev thauj khoom ntau dhau thiab luv luv. Kev nkag siab txog ntau hom khoom siv hluav taws xob thiab lawv cov haujlwm tuaj yeem pab cov tib neeg txiav txim siab txog kev nyab xeeb hluav taws xob thiab kev saib xyuas. Raws li thev naus laus zis txuas ntxiv hloov zuj zus, cov khoom siv hluav taws xob yuav ua lub luag haujlwm tseem ceeb rau yav tom ntej ntawm kev tsim hluav taws xob thiab kev nyab xeeb.
Lub sijhawm tshaj tawm: Lub Ob Hlis-25-2025