Raws li ib tug raug ceg thiab kev sib cuag node nyob rau hauv lub 10kV tis network, qhov chaw ntawm lub nplhaib lub ntsiab chav tsev yog qhov tseeb heev: nws tsuas yog yuav tsum tau mus cuag lub qhib thiab kaw ntawm ib txwm load tam sim no, kab cais, txhaum grounding tiv thaiv, thiab tsis tas yuav nquag txiav luv luv-circuit high tam sim no. Lub hauv paus ntsiab lus ntawm kev xaiv yog txaus, nqi-zoo, thiab compact hneev taw.
Lub tshuab nqus tsev vacuum feem ntau siv rau ntawm daim phiaj tseem ceeb, cov kab hluav taws xob tawm sab nraud, lossis cov khoom siv hluav taws xob tuaj, ua haujlwm raws li "tag nrho-round bodyguards" ntawm daim phiaj hluav taws xob. Nws muaj kev txhim khu kev qha luv luv-circuit breaking muaj peev xwm, uas tuaj yeem tsis tsuas qhib thiab kaw tam sim no xwb, tab sis kuj txiav tawm qhov luv luv luv-circuit txhaum tam sim no, cais qhov txhaum thawj zaug thaum muaj teeb meem loj, thiab tiv thaiv cov khoom siv tseem ceeb. Lub peev xwm tawg muaj zog tuaj ntawm tus nqi: lub arc extinguishing qauv, kev khiav hauj lwm mechanism, thiab kev txhawb nqa cov cuab yeej tiv thaiv yog ntau nyuaj, cov cuab yeej siv yog siab dua, tag nrho qhov ntev ntawm lub tshuab yog loj, thiab ntau qhov chaw installation yuav tsum tau tshwj tseg, uas tseem yuav tsum tau ntau dua rau civil engineering thiab kev khiav hauj lwm thiab txij nkawm tej yam kev mob.
I. Lub luag haujlwm sib txawv ua tiav
Load breaker hloov (LBS): tsuas yog lub luag haujlwm rau kev qhib thiab kaw ntawm ib txwm thauj khoom tam sim no, tsis tuaj yeem txiav luv luv Circuit Court; Lub fuse yuav tsum tau nruab rau kev tiv thaiv luv luv.
Nqus Circuit Court breaker (VCB): Nws tuaj yeem txiav tawm cov khoom thauj thiab luv luv Circuit Court ncaj qha, nrog kev tiv thaiv built-in (overcurrent, sai so, grounding), thiab tuaj yeem rov kaw.
II. Tsib Qhov laj thawj tseem ceeb rau kev siv Load breaker Hloov hauv Ntiv Nplhaib Ntsiab Cai
1. Tus nqi qis (Qhov tseem ceeb tshaj)
Lub tshuab hluav taws xob hloov hluav taws xob nrog lub fuse yog kwv yees li 50% pheej yig dua li lub tshuab nqus tsev vacuum nrog ib chav tiv thaiv dav; tus nqi sib txawv yog qhov tseem ceeb rau cov haujlwm loj.
2. Compact Size thiab Space-Saving Design
Lub nplhaib lub ntsiab yuav tsum yog compact thiab modular tsim, nrog ib tug yooj yim load hloov qauv thiab me me; Nqus Circuit Court breaker + handcart + kev tiv thaiv zoo muaj lub ntim loj thiab xav tau ntau qhov chaw.
3.Tsis muaj kev khiav hauj lwm fais fab mov yuav tsum tau; Yooj yim Txuas
Lub tshuab hluav taws xob hloov hluav taws xob tuaj yeem ua haujlwm manually thiab tsis tas yuav muaj DC fais fab mov lossis tswj fais fab; Circuit Court breaker yuav tsum tau nruab nrog kev khiav hauj lwm fais fab mov thiab relay tiv thaiv, ua rau lub system complex.
4.Suitable rau tej daim ntaub ntawv: faib ceg circuits nrog tsawg faults
Lub nplhaib tseem ceeb yog siv rau qhov kawg / ceg kab hauv thaj chaw nyob, khw, cov chaw tsim khoom me me, thiab lwm yam, nrog rau cov khoom siv qis thiab tsis tshua muaj hluav taws xob luv luv; Muaj twb muaj kev tiv thaiv Circuit Court breaker nyob rau sab sauv fais fab mov, yog li tsis tas yuav tsum muaj qib qis kom rov ua qhov kev teeb tsa siab.
5.Fuses muab kev tiv thaiv luv luv thiab txhim khu kev qha
Lub fuse melts nyob rau hauv milliseconds thaum lub sij hawm luv luv Circuit Court, nrog zoo tam sim no limiting nyhuv thiab tsawg heev cuam tshuam rau lub hwj chim daim phiaj; Txawm hais tias Circuit Court breakers ceev, lawv cov nqi thiab kev saib xyuas yog siab.
III. Thaum twg yuav tsum tau siv lub tshuab nqus tsev Circuit Court breakers?
Substation incoming lines/main transformer cabinets, large capacity (>1250kVA) terminals, cov khoom tseem ceeb (cov ntaub ntawv chaw, tsev kho mob), thiab cov xwm txheej uas yuav tsum tau ua haujlwm tsis tu ncua / tsis siv neeg rov qab.
Xaus
Qhov tseem ceeb yog muab rau kev siv cov hloov pauv ntawm cov nodes ntawm lub nplhaib network ceg kab, uas yog ob qho tib si kev lag luam thiab kev cog lus, tsis tas yuav muaj kev txhawb nqa cov khoom siv hluav taws xob ua haujlwm; Lub network tseem ceeb thiab lub luag haujlwm hnyav yog tsim rau lub tshuab nqus tsev vacuum, uas tuaj yeem ua tiav ntau qhov kev tiv thaiv kev ua txhaum thiab kev nyab xeeb dua.