Cov khoom siv hluav taws xob ntsaws rau hauvyog cov khoom siv tseem ceeb rau kev ua kom muaj kev nyab xeeb ntawm cov hluav taws xob hauv peb lub tsev thiab chaw ua haujlwm. Nws ua haujlwm ua lub tshuab tiv thaiv los ntawm kev kaw lub zog hluav taws xob thaum muaj hluav taws xob ntau dhau lossis luv luv tshwm sim. Tsab xov xwm no lub hom phiaj yog los muab kev piav qhia txog cov khoom siv hluav taws xob plug-in, lawv cov haujlwm, hom thiab cov txiaj ntsig.
Cov cuab yeej hluav taws xob ntsaws, tseem hu uaCov khoom siv hluav taws xob me me (MCB), yooj yim rau nruab thiab ntsaws rau hauv cov vaj huam sib luag hluav taws xob. Nws yog tsim los tiv thaiv cov xov hluav taws xob thiab cov khoom siv los ntawm kev puas tsuaj los ntawm cov hluav taws xob ntau dhau. Thaum muaj teeb meem hluav taws xob tshwm sim, xws li luv luv lossis overload, lub circuit breaker ntes tau qhov xwm txheej tsis zoo thiab cuam tshuam hluav taws xob sai sai, tiv thaiv kev puas tsuaj ntxiv lossis hluav taws kub.
Muaj ntau hom plug-in circuit breakers nyob rau hauv kev ua lag luam. Cov feem ntau yog cov single-pole circuit breakers, double-pole circuit breakers, thiab ground fault circuit interrupters (GFCI). Single-pole circuit breakers siv rau ntawm 120-volt circuits thiab tiv thaiv cov circuits ib leeg, xws li teeb pom kev zoo thiab universal receptacles. Double-pole circuit breakers, ntawm qhov tod tes, yog siv rau cov khoom siv loj thiab tiv thaiv 240-volt circuits, xws li cua txias thiab hluav taws xob cua sov. GFCIs yog tsim los tiv thaiv cov av faults thiab feem ntau siv rau hauv cov chaw ntub dej xws li chav ua noj thiab chav dej.
Muaj ntau yam zoo rau kev siv lub tshuab hluav taws xob ntsaws. Ua ntej, lawv muab kev nyab xeeb hluav taws xob siab los ntawm kev tiv thaiv kev kub dhau thiab hluav taws kub. Lawv tiv thaiv lub cev hluav taws xob thiab nws cov khoom siv txuas nrog los ntawm kev txiav lub zog rau lub voj voog. Qhov thib ob, cov tshuab hluav taws xob ntsaws yooj yim rau kev teeb tsa thiab hloov. Tsis zoo li cov fuses ib txwm muaj uas yuav tsum tau hloov tes thaum lawv tawg, cov tshuab hluav taws xob ntsaws tuaj yeem rov pib dua nrog lub qhov hloov yooj yim tom qab kho qhov txhaum. Qhov no txuag lub sijhawm thiab tshem tawm qhov xav tau yuav cov fuses tshiab tas li. Tsis tas li ntawd, cov tshuab hluav taws xob ntsaws muab kev yooj yim thiab kev ywj pheej. Nrog nws tus qauv tsim ntsaws, lawv tuaj yeem yooj yim ntxiv lossis tshem tawm yam tsis tas yuav siv cov cuab yeej tshwj xeeb lossis kev txawj ntse.
Yuav kom ntseeg tau tias lub tshuab hluav taws xob txuas nrog lub qhov (plug-in circuit breaker) ua haujlwm tau zoo thiab ntseeg tau, nws yog ib qho tseem ceeb uas yuav tsum ua kom nws ua haujlwm tau zoo. Yuav tsum tau kuaj xyuas thiab saib xyuas tas li los ntawm tus kws hluav taws xob uas tsim nyog kom ntseeg tau tias lub tshuab hluav taws xob txuas nrog lub qhov (plug-in circuit breaker) ua haujlwm tau zoo. Nws tseem ceeb heev uas yuav tsum nco ntsoov tias lub tshuab hluav taws xob txuas nrog lub qhov (plug-in circuit breaker) muaj peev xwm tsawg. Yog li ntawd, cov tshuab hluav taws xob txuas nrog lub qhov (circuit breaker) yuav tsum tau loj raws li qhov hnyav hluav taws xob uas lawv xav tiv thaiv. Kev siv lub tshuab hluav taws xob ntau dhau tuaj yeem ua rau lub tshuab hluav taws xob tsis ua haujlwm tas li thiab ua rau lub tshuab hluav taws xob puas tsuaj.
Hauv kev xaus lus, iblub tshuab hluav taws xob txuas hluav taws xobyog ib feem tseem ceeb ntawm lub tshuab hluav taws xob uas muab kev nyab xeeb thiab kev tiv thaiv tiv thaiv kev puas tsuaj ntawm hluav taws xob. Lawv yooj yim rau nruab, yoog tau thiab yooj yim, ua rau lawv yog thawj qhov kev xaiv rau kev siv hauv tsev thiab kev lag luam. Kev saib xyuas tas li thiab kev ntsuas qhov loj me yog qhov tseem ceeb rau kev ua haujlwm zoo tshaj plaws ntawm cov khoom siv hluav taws xob ntsaws. Los ntawm kev nkag siab txog nws cov yam ntxwv thiab cov txiaj ntsig, cov tswv tsev thiab cov kws tshaj lij tuaj yeem ua kom muaj kev nyab xeeb ntawm lawv cov tshuab hluav taws xob thiab zam kev phom sij.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-07-2023