Qhov xav tau cov khoom siv hluav taws xob zoo tshaj plaws yog qhov ntau dua li yav dhau los. Cov lag luam thiab cov lag luam xav tau kev txawj ntse ntau los xyuas kom meej tias cov hluav taws xob ruaj khov, ruaj ntseg kev muab hluav taws xob thiab tiv thaiv lawv cov cuab tam. Kev tsim kho tshiab ntawmCov cuab yeej hluav taws xob ntse ntsethiab lawv txoj kev ua haujlwm txhim khu kev qha tau ua qhov kev hloov pauv loj rau kev lag luam. Niaj hnub no, peb yuav los saib ze dua sebcua Circuit Breaker (ACB)yog lub hauv paus ntawm txhua lub tshuab faib hluav taws xob niaj hnub no.
LubLub Tshuab Hluav Taws Xob Universal Circuit Breaker, uas peb hu uaACB, yog ib lub cuab yeej tiv thaiv tshiab uas ua kom lub grid ruaj khov los ntawm kev siv cov haujlwm ntse. Nws muaj ntau yam xws li cov chav mus los, cov sensors thiab cov actuators. Cov circuit breakers yog lub luag haujlwm rau tripping thaum muaj qhov xwm txheej tsis zoo hauv lub grid, xws li overload, luv circuit lossis ground fault, thiab cais lub circuit tag nrho. Thaum tripped, lub cuab yeej ceeb toom tus neeg ua haujlwm ntawm lub system ntawm lub tswb lossis teeb liab.
Lub ACB ua haujlwm tau zoo heev vim nws tuaj yeem sib txuas lus nrog ntau yam khoom ntawm lub tshuab hluav taws xob, suav nrog lwm cov circuit breakers, meters, thiab relays, uas tso cai rau kev saib xyuas tag nrho ntawm lub grid. Qhov kev txawj ntse no yog qhov tseem ceeb rau kev ua kom muaj kev nyab xeeb, kev ua tau zoo thiab kev ua lag luam ntawm kev teeb tsa hluav taws xob. Los ntawm kev sau thiab ua cov ntaub ntawv hais txog lub zog, lub zog thiab ntau yam kev ntsuas, cov circuit breakers pab tiv thaiv cov khoom siv, tiv thaiv kev puas tsuaj thiab ua kom muaj kev ua haujlwm zoo dua.
Cov ACB muaj ntau qhov loj thiab hom, ua rau peb ua tau raws li ntau yam kev xav tau hauv kev lag luam. Cov qauv ntawm lub cuab yeej suav nrog lub cev hluav taws xob uas muaj cov khoom siv hluav taws xob, lub tshuab ua haujlwm thiab lub qhov tso tawm. Nws cov qauv sib cuag yog laminated tooj dag nrog ntau txheej sib xyaw thiab kev kam rau siab kom ntseeg tau tias muaj kev ua hluav taws xob zoo thiab ruaj khov. Nws cov txheej txheem ua haujlwm tuaj yeem yog hluav taws xob lossis caij nplooj ntoos hlav, uas ua rau peb tuaj yeem teeb tsa cov khoom siv hluav taws xob kom ntseeg tau, ua haujlwm tau zoo thiab yooj yim hauv cov xwm txheej hnyav.
Thaum kawg, lub trip unit yog lub tswv yim tseem ceeb tshaj plaws ntawm ACB vim nws tshuaj xyuas cov waveform thiab txiav txim siab thaum twg yuav trip. Trip units tuaj yeem yog electronic lossis electromechanical, nyob ntawm seb daim ntawv thov. Nws suav nrog CT, PT, control circuit board thiab microprocessor. CT thiab PT kuaj cov tam sim no thiab voltage, thiab xa cov teeb liab mus rau lub control board rau kev ua tiav. Lub microprocessor tom qab ntawd tshuaj xyuas cov ntaub ntawv teeb liab los txiav txim siab seb puas muaj qhov tsis zoo hauv lub circuit thiab, yog tias xav tau, muab cov lus txib trip rau lub actuator, yog li tripping lub mechanism.
Yuav kom xaus lus, qhovlub tshuab hluav taws xob ntse thoob ntiaj tebyog ib qho khoom siv tiv thaiv hluav taws xob tseem ceeb kom paub txog kev vam meej tseem ceeb ntawm kuv lub teb chaws lub zog hluav taws xob. Los ntawm nws cov yam ntxwv ntse thiab txhim khu kev qha thiab kev ua haujlwm, cov cuab yeej hluav taws xob ua kom zoo dua thiab xyuas kom muaj kev nyab xeeb, kev ua tau zoo thiab kev ua haujlwm ntawm kev teeb tsa hluav taws xob. Raws li kev lag luam txuas ntxiv nthuav dav thiab loj hlob, qhov tseem ceeb ntawm kev nyab xeeb hluav taws xob tsis tuaj yeem ua dhau. ACB muab cov kev daws teeb meem tag nrho-hauv-ib uas ua tau raws li ntau yam kev xav tau ntawm daim ntawv thov thiab xyuas kom muaj kev sib txuas ntawm kev muab hluav taws xob, yog li ua rau muaj kev ntseeg siab thiab kev tsim khoom hauv kev lag luam thiab kev lag luam.
Lub sijhawm tshaj tawm: Plaub Hlis-07-2023