Cov khoom siv hluav taws xob me me (MCBs)yog cov khoom tseem ceeb hauv cov tshuab hluav taws xob, pab tiv thaiv kom tsis txhob muaj luv luv, overloads thiab faults. Nws yog ib qho tseem ceeb rau kev nyab xeeb los tiv thaiv kev raug mob loj ntawm lub zog hluav taws xob thiab xyuas kom meej tias cov khoom siv hluav taws xob ua haujlwm zoo.
Thaum thev naus laus zis nce qib thiab qhov xav tau kev faib hluav taws xob txhim khu kev qha nce ntxiv, cov khoom siv hluav taws xob me me tau dhau los ua qhov kev xaiv zoo dua li cov fuses ib txwm muaj. Tsis zoo li cov fuses, uas yuav tsum tau hloov tom qab lawv tawg, cov khoom siv hluav taws xob me me tuaj yeem rov pib dua thiab siv dua, ua rau lawv pheej yig dua rau lub sijhawm ntev.
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawmMCByog nws qhov me me. Raws li lub npe qhia, cov breakers no tau tsim los kom haum rau hauv qhov chaw nqaim, ua rau lawv zoo tagnrho rau kev siv hauv tsev, kev lag luam, thiab kev lag luam. Lawv qhov me me tsis cuam tshuam rau lawv txoj haujlwm, vim tias MCB muab kev tiv thaiv zoo rau kev thauj khoom ntau dhau thiab luv luv.
Lwm qhov tshwj xeeb ntawm lubMCByog nws lub sijhawm teb sai. Thaum muaj qhov txhaum lossis kev thauj khoom ntau dhau, qhovlub tshuab hluav taws xob me mesai sai ntes tau qhov txawv txav thiab ua haujlwm tsis pub dhau milliseconds. Qhov kev teb sai no pab tiv thaiv kom tsis txhob kub dhau thiab muaj hluav taws kub, txo qhov kev pheej hmoo ntawm kev raug mob hluav taws xob.
Cov MCBmuaj nyob rau hauv ntau yam kev ntsuas tam sim no, tso cai rau cov neeg siv xaiv lub tshuab hluav taws xob kom haum rau lawv cov kev xav tau hluav taws xob tshwj xeeb. Qhov kev ywj pheej no ua rau nws yooj yim dua los kho cov kab ke hluav taws xob rau ntau yam kev xav tau. Tsis tas li ntawd, MCBs tuaj yeem ntsia tau yooj yim thiab hloov pauv yam tsis muaj cov khoom siv tshwj xeeb, ua rau lawv yog qhov kev xaiv yooj yim rau cov neeg cog lus hluav taws xob thiab cov tswv tsev.
Ntxiv rau lawv cov haujlwm tiv thaiv,Cov MCBtuaj yeem muab cov kev nkag siab tseem ceeb rau tus cwj pwm ntawm cov kab ke hluav taws xob. Ntau lub MCBs muaj cov cim qhia uas qhia txog qhov xwm txheej ntawmlub tshuab hluav taws xob, xws li seb nws puas tau tripped vim yog overload lossis fault. Qhov feature no pab daws teeb meem thiab txheeb xyuas tej teeb meem uas yuav tshwm sim hauv lub tshuab hluav taws xob.
Hauv kev xaus,cov khoom siv hluav taws xob me meUa lub luag haujlwm tseem ceeb hauv kev tiv thaiv cov kab ke hluav taws xob los ntawm kev tiv thaiv kev thauj khoom ntau dhau thiab luv luv. Nws qhov loj me me, lub sijhawm teb sai thiab yooj yim ntawm kev teeb tsa ua rau nws zoo tagnrho rau ntau yam kev siv. Los ntawm kev nqis peev rau hauv cov khoom zooCov MCB, cov tib neeg tuaj yeem ua kom lawv cov tshuab hluav taws xob ua haujlwm tau zoo thiab tsis muaj kev cuam tshuam.
Lub sijhawm tshaj tawm: Cuaj hlis-12-2023