Cov Huab Cua Cua Circuit Court yog qhov tsawg lossis siab voltage tiv thaiv uas siv cua ua arc extinguishing thiab rwb thaiv tsev nruab nrab. Nws cov haujlwm tseem ceeb yog kev tiv thaiv cov cuab yeej thiab cov neeg los ntawm kev so nrawm. Lub koomhaum ua haujlwm tuaj yeem faib ua peb theem: ib txwm hloov pauv, ua txhaum cuam tshuam thiab arc extinguishing. Nws ua ke sib xyaw ua ke thiab hluav taws xob kev siv hluav taws xob rau kev tiv thaiv zoo. Ntawm no yog qhov ze saib:
I. Cov Qauv Yooj Yim thiab Cov Qauv Tseem Ceeb
Cov Purermer Rurcuit Court Fircuit Coer muaj cov hauv qab no txuas nrog, uas ua haujlwm ua ke los muab kev tiv thaiv:
Cov lus qhuab qhia
Cov lus sib tiv tauj thiab zoo nkauj: Qhia Circuit Court thaum kaw, arc thaum kaw.
Cov Khoom Sib Hu: Ua kom muaj qhov kub thiab txias thiab Arc resistant alloys xws li nyiaj tungsten kom txo cov kev hnav thiab oxidation.
Arc Hluav Taws
Arc Grille: Ua los ntawm cov hlau hlau, ARC tau muab faib ua cov ntu luv luv, nce cov cua sov dissipation cheeb tsam.
Arc Axis: Coj lub arc rau hauv kab sib chaws kom tiv thaiv nws los ntawm kev khiav dim.
Cov Chaw Pabcuam Tsheb (Tiv Thaiv Cov Ntaus Tiv Thaiv)
Chav Ncig Ua Si Thermal: Mus ncig ua si uas kub uas ua rau muaj kev tiv thaiv ntau dhau kev tiv thaiv cov khoom khoov ntawm ib qho bimetallic sawb.
Electromagnetic tripping: Cov nyhuv ntawm tam sim no yog siv los ua kom muaj kev nyiam thiab cuam tshuam sai {Circuit Court tam sim no.
Hluav Taws Xob Tripping Ntaus (Yws): Kev sib xyaw Microprocessor kom raug dhau lawm, kev tiv thaiv luv luv ntawm Circuit Court thiab av tsis muaj kev tiv thaiv.
Kev ua haujlwm ua haujlwm
Lub zog cia caij nplooj ntoos hlav: lub zog cia tripping kom paub tseeb tias kev ua yeeb yam sai sai.
Kev sib txuas tshuab: hla kev ua haujlwm ua haujlwm rau kev tiv tauj uas raug kaw lossis qhib.
Tes Tsho thiab Rwb Thaiv Tsev Cheebtsam
Insulating casing (raws li Moulded kis Circuit Court cov tog): cais cov chaw nyob kom tiv thaiv hluav taws xob.
Framed qauv (xws li lub thawv breaker): Txhawb cov khoom sib txuas loj muaj peev xwm nce cov tshuab muaj zog.
ii. Yuav ua li cas nws ua haujlwm: los ntawm kev qhib qhib.
1. Kev kaw
Kaw Hu Rau: Kev Ua Haujlwm Kev Tso Tawm Lub Zog Los Ntawm Lub Zog Cia Lub Caij Nplooj Ntoos Hlav, thiab kev sib ntsib mus sib ze nrog cov kev sib cuag, ua tiav ntawm Circuit Court.
Ntws tawm tam sim no: tam sim no ntws mus rau lub thauj mus los ntawm kev sib tshuam los ntawm kev ua haujlwm thiab kev ua haujlwm ib txwm muaj ntawm 2. Kev txhaum nrhiav kom tau thiab ua txhaum
Cov oob khab ua rau cov Circuit Court yuam kev thaum:
OVERVER: Thaum qhov tam sim no tshaj li qib ntsuas tab sis tsis ncav cuag lub luv luv {- Cov kauj ruam hlau nyob rau hauv tshav kub kub, ua rau lub voj voog cable thiab tripping lub Circuit Court breaker.
Circuit Court Luv: Thaum lub sijhawm tam sim no nce sai (piv txwv li, ob peb zaug hauv hluav taws xob sib nqus uas nyiam lub zog hluav taws xob ua haujlwm, ua rau cov Circuit Coiliticism, ua rau cov Circuit Court breaker mus ncig ua si.
Undervoltage / poob ntawm voltage: Thaum voltage yog qis dua li rated, qhov chaw voltage qis yog tso tawm thiab lub Circuit Court breaker yog cia li qhib.
3. Tripping txheej txheem thiab arc extinguishment
Hu sib txawv: Kev Ua Haujlwm Kev Ua Haujlwm sai sai cais sib chwv los ntawm kev sib chwv nyob ruaj ruaj, tsim lub tshuab hluav taws xob ntawm lawv.
Arc Qhia: Lub Dome qhia lub arc quenching cov kab sib zog uas faib cov arc ntev rau hauv cov arcs luv.
Arc extinguished:
ARC Leng Lengthening: ARC Ntev nce nce ntxiv, cov chaw sov dissipation cheeb tsam nce.
Txias nyhuv: Kev pab cua kub tshem thaum tshav kub thiab txo arc Kub hauv qab no tus nqi tseem ceeb ntawm tus nqi. Deadation: Arc recombine ntawm ions thiab cov hluav taws xob hauv arc los kho cov khoom lag luam insulating.
4. Ua tiav kev txiav txim siab
Kev sib cais tag nrho: ARC yog qhov tua tau tiav thiab lub Circuit Court yog kev sib cav sib tawg.
Rov qab pib npaj: manually los yog cia li rov pib dua lub tshuab ua haujlwm hauv kev npaj rau kev kaw tom ntej.
III. Cov thev naus laus zis: kev ua kom zoo ntawm arc tua hluav taws xob
Kev ua yeeb yam ntawm cov cua tawg muaj qhov cuam tshuam ncaj qha rau kev ua haujlwm nws cuam tshuam nrog kev ua haujlwm breakcuitfe. Niaj hnub tsim txhim kho arc extoruishing efficiency los ntawm:
Multi - theem arc extinguishing daim phiaj
Nce muaj pes tsawg tus lej ntawm cov kab mob ua rau cov pob zeb ua tiav, tso cai ua kom sov tawm sai dua.
Txhim kho cov phiaj xwm kev sib tw, sib npaug hluav taws xob sib faib hluav taws xob thiab txo Arc tseem pheej hmoo.
Cov ntawv thov roj -} gerating cov ntaub ntawv
Sab hauv phab ntsa ntawm Arc hood yog coated nrog roj ua cov khoom siv (xws li cov khoom siv organic insulating). Lub arc decomposes ntawm qhov siab kub los hloov roj, sib sau cov cua tshuab siab, tshuab lub arc tawm, nrawm arc tawm.
Sib nqus arc extinguished
Lub pob zeb sib nqus tas mus li lossis hluav taws xob chev tau muab tso rau hauv lub rooj sib nqus arc extinguishing, uas txhim kho arc extinguishing ceev. Cov Tshuab Siv Tshuab Tam Sim No
Kev tiv toj ceev ceev lossis tam sim no {- kev txwv tsis pub siv lub ncov siab luv thiab txo qhov nyuaj ntawm arc extinguishing.
IV. Zej Muag Raug Daim Ntawv Tso Cai
Cua Circuit Court rooj tog yog dav siv nyob rau hauv cov xwm txheej hauv qab no. Xaiv ntau hom raws li ntim thiab ua haujlwm:
Tsawg voltage (tsawg dua los yog sib npaug rau 1250A)
Moulded Cov Txheej Txheem Circuit Court: Siv Hauv Kev Tsim Kho Lub Cev Muaj Zog, kev faib khoom lag luam, thaj teeb pom kev zoo thiab lwm thaj teb.
Tej yam me raws li Circuit Court Circuit Court: Tiv thaiv cov kab ncig hauv tsev, xws li cov kab nrig thiab teeb pom kev zoo voj voog.
Nruab nrab thiab ntau voltage (630A thiab siab dua)
Ncej {{0} Mounted Circuit Court Shrasers (Acb): Loj hloov chaw rau cov cuab yeej muaj loj, hluav taws xob tsob ntoo tiv thaiv, lub zog hluav taws xob kev tiv thaiv rau cov ntaub ntawv cov ntaub ntawv.
TSHWJ XAWM MEN MOB
Tawg - price tias muaj cov nroj tsuag huab cua hauv hluav taws xob: siv cov nroj tsuag tshuaj lom neeg, thee thiab muaj lwm yam hluav taws xob tawg.
DC cua breaker: Tiv thaiv DC sab ntawm lub zog nruab nrab dua tshiab (piv txwv li photovoltaic, cua fais fab).
V. Xaiv thiab Txij Nkawm Cov Ntsiab Lus Tseem Ceeb
Cov Xaiv Xaiv
Nyob: piv rau cov hluav taws xob hluav taws xob (piv txwv li AC 400v, DC 1000V). Rated tam sim no: Ntau tshaj plaws ua haujlwm tam sim no ntawm ntau dua los yog sib npaug ntawm Circuit Court nrog Residual tus nqi.
CutOff muaj peev xwm: Xav kom luv - Circuit Court tam sim no ntau dua lossis sib npaug nrog 50ka, 100ka.
Cov yam ntxwv tripping: Hom B, C lossis D yog xaiv raws li hom load (hom B yog rau cov khoom siv hluav taws xob thiab hom D yog rau lub cev muaj zog).
Txij Nkawm Lus Taw Qhia
Qee lub sijhawm soj ntsuam: saib xyuas cov hnav ris tsho thiab arc Quenching daim phiaj kev ntseeg siab, hmoov av thiab txawv teb lub cev raug tshem tawm.
Kev Kuaj Mob: Los Ntawm Txhais Tes Disconnection thiab Kev Ntsuas Tsis Siv Neeg Luas tau ua txhua xyoo kom ntseeg tau tias kev ua haujlwm txhim khu kev qha.
Kev tswj hwm ib puag ncig: Zam kev av noo thiab corrosive gases, tiv thaiv rwb thaiv rwb thaiv kev ua haujlwm poob. VI. Taw qhia Cua Circuit Coilters RHERS Vs. Lwm qhov kev sib cav sib ceg
Kev sib piv cov qhov ntev: Cua Circuit Court breaker (ACB) Lub Tshuab nqus hluav taws xob lub zog (VCB) SF6 Circuit Court breaker
Arc extinguishing nruab nrab: huab cua, nqus tsev, SF6 roj
Crushing muaj peev xwm: nruab nrab (nruab nrab (nruab nrab (nruab nrab (nruab nrab (nruab nrab rau siab siab) heev (nruab nrab thiab ultra- kub siab)
Cov nqi kho mob: siab nyob rau hauv qes (tsis muaj roj av muaj kev pheej hmoo) (kev siv nqus dej kom tu ncua
Kev cuam tshuam ib puag ncig: Tsis {- pa polluting tsis-}} edenting sf6 yog lub zog ua kom muaj zog sedouse cov roj
Siv: Kev lag luam, kev lag luam thiab thaj tsis muaj tsawg - voltage rependibing network; nruab nrab - voltage Systems rau cov nroj tsuag fais fab thiab hloov; high - voltage kis cov kab
