Kev Nkag SiabRCBOCov Ntsiab Lus Tseem Ceeb ntawm Kev Nyab Xeeb Hluav Taws Xob
Hauv ntiaj teb kev teeb tsa hluav taws xob, kev nyab xeeb yog qhov tseem ceeb tshaj plaws. Ib qho ntawm cov khoom tseem ceeb uas ua kom muaj kev nyab xeeb yog lub tshuab hluav taws xob seem uas muaj kev tiv thaiv overcurrent, feem ntau hu ua RCBO. Lub cuab yeej no ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv tib neeg thiab khoom vaj khoom tsev ntawm kev puas tsuaj hluav taws xob, ua rau nws yog ib qho tseem ceeb ntawm cov kab ke hluav taws xob niaj hnub no.
RCBO yog dab tsi?
RCBO yog kev sib xyaw ua ke ntawm ob lub cuab yeej tiv thaiv: ib lub cuab yeej hluav taws xob seem (RCD) thiab lub tshuab hluav taws xob me me (MCB). Cov khoom RCD yog tsim los ntes cov teeb meem hauv av, uas tshwm sim thaum cov hluav taws xob ntws mus rau hauv av hauv txoj kev tsis xav tau. Cov teeb meem hauv av tuaj yeem tshwm sim vim yog kev puas tsuaj ntawm cov khoom rwb thaiv tsev, dej noo lossis kev sib tsoo nrog cov khoom siv hluav taws xob. Thaum pom tias muaj teeb meem hauv av, RCD qhib lub voj voog kom tiv thaiv kev pheej hmoo ntawm kev raug hluav taws xob poob lossis hluav taws kub.
Ntawm qhov tod tes, cov khoom MCB tiv thaiv cov xwm txheej overcurrent, uas tuaj yeem tshwm sim los ntawm kev overloads lossis luv circuits. Overloads tshwm sim thaum muaj ntau yam khoom siv txuas nrog ib lub voj voog, ua rau muaj ntau tam sim no dua li nws tuaj yeem tswj tau zoo. Luv circuits tshwm sim thaum muaj kev sib txuas ncaj qha ntawm cov xov hlau kub thiab nruab nrab, ua rau muaj kev nce tam sim ntawd. Hauv cov xwm txheej no, MCB yuav trip thiab qhib lub voj voog, tiv thaiv kev puas tsuaj rau cov xov hlau thiab cov khoom siv.
Vim li cas ho siv RCBO?
Kev koom ua ke RCD thiab MCB ua haujlwm rau hauv ib lub cuab yeej muaj ntau qhov zoo. Ua ntej, nws ua kom yooj yim rau cov txheej txheem teeb tsa hluav taws xob. Hloov chaw teeb tsa cov khoom siv sib cais rau kev tiv thaiv qhov txhaum av thiab overcurrent, RCBO muab ob qho haujlwm hauv ib chav me me. Qhov no tsis yog tsuas yog txuag qhov chaw hauv chav siv khoom xwb, tab sis kuj txo lub sijhawm teeb tsa thiab tus nqi.
Qhov thib ob, RCBOs txhim kho kev nyab xeeb. Yog tias muaj teeb meem hluav taws xob, RCBOs yuav txiav lub voj voog sai sai, txo qhov kev pheej hmoo ntawm kev raug hluav taws xob thiab hluav taws. Qhov no tseem ceeb heev rau cov chaw nyob, qhov twg kev nyab xeeb ntawm cov neeg nyob hauv yog qhov tseem ceeb tshaj plaws. Tsis tas li ntawd, RCBOs tuaj yeem siv tau rau ntau yam kev siv, los ntawm kev txuas hluav taws xob hauv tsev mus rau kev teeb tsa lag luam thiab kev lag luam, ua rau lawv siv tau ntau yam thiab hloov tau yooj yim.
Xaiv RCBO zoo
Thaum xaiv RCBO, yuav tsum xav txog ntau yam. Thawj qhov yog qhov ntsuas tam sim no, uas yuav tsum phim qhov xav tau ntawm lub voj voog. Cov ntsuas tam sim no feem ntau suav nrog 6A, 10A, 16A, 20A thiab 32A. Nws yog ib qho tseem ceeb uas yuav tsum xaiv RCBO uas tuaj yeem tswj tau qhov thauj khoom uas xav tau yam tsis muaj kev cuam tshuam tsis tsim nyog.
Lwm yam tseem ceeb yog qhov ntsuas tam sim no seem, feem ntau qhia ua milliamperes (mA). Cov ntsuas tus qauv suav nrog 30mA rau kev tiv thaiv tus kheej thiab 100mA lossis 300mA rau kev tiv thaiv cov khoom siv. Rau kev siv hauv tsev, feem ntau pom zoo kom ntsuas 30mA kom tiv thaiv kev raug hluav taws xob poob siab.
Nws tseem ceeb heev uas yuav tsum xav txog hom RCBO. Muaj ntau hom xaiv los ntawm, xws li AC, A, thiab B, txhua hom tsim rau ib qho kev siv tshwj xeeb. Hom AC yog qhov tsim nyog rau cov voj voog hloov pauv tam sim no, thaum hom A tuaj yeem ntes tau DC pulsating, ua rau nws zoo tagnrho rau cov voj voog nrog cov khoom siv hluav taws xob. Hom B yog siv rau cov voj voog uas muaj DC du, xws li cov hauv kev teeb tsa hnub ci.
Hauv kev xaus lus
Xaus lus, RCBOs yog ib qho khoom siv tseem ceeb hauv cov tshuab hluav taws xob niaj hnub no, muab kev tiv thaiv ob npaug tiv thaiv kev ua txhaum hauv av thiab cov xwm txheej overcurrent. Lawv txoj kev tsim qauv me me, kev teeb tsa yooj yim, thiab cov yam ntxwv kev nyab xeeb zoo dua ua rau lawv yog qhov kev xaiv zoo tshaj plaws rau cov kws hluav taws xob thiab cov tswv tsev. Raws li cov qauv kev nyab xeeb hluav taws xob txuas ntxiv hloov pauv, qhov tseem ceeb ntawm kev koom ua ke RCBOs rau hauv cov khoom siv hluav taws xob tsis tuaj yeem hais ntau dhau. Los ntawm kev nkag siab thiab siv cov khoom tseem ceeb no, peb tuaj yeem ua kom muaj ib puag ncig zoo dua rau txhua tus.
Lub sijhawm tshaj tawm: Plaub Hlis-01-2025