Cov khoom siv hluav taws xob me me, feem ntau hu uaCov MCB, yog ib feem tseem ceeb ntawm cov tshuab hluav taws xob niaj hnub no. Nws yog ib qho khoom siv kev nyab xeeb tseem ceeb uas tiv thaiv cov circuits los ntawm kev overloads thiab luv luv circuits, tiv thaiv kev puas tsuaj rau cov khoom siv thiab tag nrho lub kaw lus. Tsab xov xwm no yuav tham txog qhov tseem ceeb thiab lub luag haujlwm ntawmcov khoom siv hluav taws xob me me.
Ib qho ntawm cov haujlwm tseem ceeb ntawm ib qhoMCByog saib xyuas qhov tam sim no ntws los ntawm lub voj voog thiab cuam tshuam nws yog tias muaj qhov tsis zoo tshwm sim. Nws cia li qhib lub voj voog, cuam tshuam kev ntws ntawm hluav taws xob, yog li tiv thaiv kev puas tsuaj. Qhov no yog qhov tseem ceeb heev rau kev tiv thaiv kev phom sij ntawm hluav taws los ntawm kev kub dhau lossis hluav taws xob tsis ua haujlwm.
Cov khoom siv hluav taws xob me metau tsim los tswj cov theem hluav taws xob sib txawv. Lawv muaj ntau qib, cia cov neeg siv xaiv qhov tsim nyogMCBrau lawv cov kev xav tau tshwj xeeb. Cov kev ntsuas no feem ntau yog qhia hauv amperes (A) thiab sawv cev rau qhov siab tshaj plaws tam sim no uas tuaj yeem hla dhau lub circuit breaker yam tsis muaj tripping.
Lub mechanism ntawm kev ua haujlwm ntawm lublub tshuab hluav taws xob me memuaj xws li ib lub electromagnet thiab ib daim bimetallic. Thaum muaj overload lossis luv luv circuit tshwm sim, qhov tam sim no los ntawmMCBtshaj qhov txwv siab tshaj plaws. Qhov no ua rau cov hlau bimetal khoov vim muaj cua sov ntau ntxiv, thiab thaum kawg ua rau lub voj voog puas tsuaj. Thaum muaj kev thauj khoom ntau dhau lossis luv luv tshwm sim, lub tshuab hluav taws xob electromagnet kaw tam sim ntawd, muab kev tiv thaiv sai dua thiab txhim khu kev qha dua.
Cov khoom siv hluav taws xob me memuaj ntau yam zoo dua li cov fuses ib txwm muaj. Lawv tuaj yeem yooj yim rov pib dua tom qab tripping, tshem tawm qhov xav tau hloov txhua zaus muaj qhov txhaum tshwm sim. Kev muaj peev xwm rov pib dua lub circuit breaker tsis yog tsuas yog txuag lub sijhawm xwb tab sis kuj txo cov nqi kho. Tsis tas li ntawd,Cov MCBmuab kev tiv thaiv meej thiab raug los ntawm kev kuaj pom thiab teb rau qhov hloov pauv me me ntawm cov hluav taws xob tam sim no raws sijhawm.
Hauv kev xaus,cov khoom siv hluav taws xob me meyog ib feem tseem ceeb ntawm cov tshuab hluav taws xob vim lawv muab kev tiv thaiv zoo rau kev thauj khoom ntau dhau thiab luv luv. Lawv lub peev xwm los ua kom lub voj voog tawg sai sai pab tiv thaiv kev raug mob hluav taws xob thiab xyuas kom muaj kev nyab xeeb ntawm tib neeg thiab cov khoom siv. Los ntawm kev xaiv qhov ntsuas tsim nyog, cov neeg siv tuaj yeem hloov kho qib kev tiv thaiv uas xav tau rau lawv qhov kev teeb tsa hluav taws xob tshwj xeeb. Zuag qhia tag nrho, kev nqis peev rau hauv qhov zoolub tshuab hluav taws xob me meyog qhov tseem ceeb rau kev tswj hwm kev nyab xeeb thiab kev ntseeg tau ntawm txhua lub tshuab hluav taws xob.
Lub sijhawm tshaj tawm: Cuaj hlis-20-2023