Hauv cov hluav taws xob faib hluav taws xob nrog cov qib voltage ntawm 10kV thiab qis dua, lub tshuab nqus tsev hluav taws xob tau maj mam hloov cov roj hluav taws xob hluav taws xob.
Nqus Circuit Court breakersmuab cov txiaj ntsig zoo xws li kev tsim nyog rau kev ua haujlwm tsis tu ncua, lub neej hluav taws xob ntev, kev ua haujlwm tsawg tsawg, kev tiv thaiv nplaim taws thiab tawg, thiab kev ua haujlwm siab. Txawm li cas los xij, vim qhov sib txawv ntawm cov tuam txhab, qee lub tshuab nqus tsev vacuum muaj kev ua haujlwm tsis zoo, tshwj xeeb tshaj yog nyob rau hauv lawv cov yam ntxwv, uas muaj teeb meem ntau. Cov teeb meem no tuaj yeem yooj yim ua rau muaj xwm txheej loj lossis ua rau lub zog hluav taws xob tsis zoo.
Nyob rau hauv xyoo tas los no, kev siv cov cuab yeej tshawb fawb xws li cov tshuab nqus tsev vacuum testers thiab cov yam ntxwv kuaj hauv kev tshuaj xyuas thiab kev saib xyuas ntawm lub tshuab nqus tsev vacuum breakers tau qhia txog cov teeb meem yav dhau los los ntawm cov ntaub ntawv tshawb fawb. Hauv kev hais txog cov teeb meem no, kev paub dhau los tau sau tseg, ua kom muaj kev saib xyuas zoo thiab kev tiv thaiv kev tiv thaiv kom muaj kev nyab xeeb thiab txhim khu kev lag luam ntawm lub tshuab nqus tsev vacuum breakers.
Cov laj thawj ntawm qhov txo qis hauv lub tshuab nqus tsev tuaj yeem txheeb xyuas qhov tob ntawm ntau yam, suav nrog kev tsim khoom tsis xws luag, cov khoom siv laus, cov khoom siv sab nraud, thiab cov khoom ua haujlwm.
I. Manufacturing Process Defects (Root Cause)
Qhov no yog qhov muaj txiaj ntsig zoo uas ua rau txo qis hauv lub tshuab nqus tsev, feem ntau tshwm sim thaum pib ntawm kev siv lossis tom qab lub sijhawm.
Cov txheej txheem sealing tsis zoo:Ceramic los yog iav insulating plhaub ntawm lub tshuab nqus tsev teeb yog kaw rau lub hau kawg ntawm cov hlau siv iav los yog ceramic metallization. Kev sib khi tsis raug (xws li, kev tswj qhov kub tsis sib npaug, cov khoom tsis huv, lossis muaj cov micro- tawg) tuaj yeem tsim cov xaim xaim qeeb ntawm lub foob.
Tsis tiav Venting:Lub tshuab nqus tsev tsis txaus thiab cov txheej txheem ci thaum lub sijhawm tsim khoom tuaj yeem ua rau qeeb qeeb ntawm cov pa roj adsorbed hauv cov hlau lossis cov khoom siv insulating hauv lub teeb thaum lub sijhawm ua haujlwm tom qab (lub npe hu ua "internal venting").
Bellbell Zoo lossis Welding Defects:Lub hauv paus yog ib qho tseem ceeb ntawm kev sib txuas ntawm kev sib cuag mus rau sab nraud mechanism thiab tuav lub foob. Microscopic tawg nyob rau hauv lub hauv paus nws tus kheej, los yog tsis muaj zog welding mus rau lub kawg cap, yuav yooj yim ua rau to tom qab rov qhib thiab kaw ua hauj lwm.
Cov teeb meem ntawm kev sib cuag:Cov ntsiab lus roj ntau dhau ntawm cov khoom siv sib txuas tuaj yeem tso cov roj hauv qab qhov kub ntawm qhov hluav taws xob arc. Xwb, yog tias muaj qhov sib txawv ntawm qhov sib txuas ntawm qhov sib cuag thiab cov pas nrig conductive, cov roj sab hauv yuav maj mam khiav.
II. Material Aging thiab Performance Deterioration (Long-Lub Sijhawm Ua Haujlwm Ua Haujlwm)
Bellbell Fatigue thiab Cracks:Qhov no yog qhov feem ntau tshwm sim thiab thawj qhov ua rau lub tshuab nqus tsev txo qis thaum ua haujlwm. Txhua lub sij hawm ib tug Circuit Court breaker qhib los yog kaw, lub tshuab raj ua rau ib tug neeg kho tshuab expansion thiab contraction txav. Kev ua haujlwm tsis tu ncua thiab ntev (tshwj xeeb tshaj yog kev hloov kho tsis raug cai uas ua rau muaj kev sib tw ntau dhau) tuaj yeem ua rau hlau qaug zog, thaum kawg ua rau tawg thiab cua nkag.
Internal hlau tivthaiv venting:Raws li kev cuam tshuam ntawm lub zog hluav taws xob arc, qhov chaw ntawm cov khoom siv hlau sab hauv xws li kev sib cuag thiab cov ntaub thaiv npog tuaj yeem nqus cov khoom siv hluav taws xob los yog ntxiv cov roj tso tawm los ntawm qhov sib sib zog nqus hauv cov khoom, ua rau muaj kev kub ntxhov ntau dhau sijhawm.
Insulated plhaub degradation:Raws li cov hluav taws xob muaj zog thiab muaj peev xwm ua rau muaj kev ntxhov siab, lub plhaub ceramic tuaj yeem ntsib "slippage" lossis microscopic puas, cuam tshuam nws qhov airtightness.
III. Ib puag ncig sab nraud thiab kev ua haujlwm txawv txav
Overvoltage thiab nquag ua haujlwm:
Txiav-tawm overvoltage thiab reignition overvoltage: Cov no tsim hluav taws xob sab hauv siab heev, muaj peev xwm ua rau hluav taws xob tawg, ua rau cov ntaub ntawv sib cuag tau tawg thiab ua rau cov hlau vapor thiab cov khoom loj, ua rau muaj kev sib kis hauv ib puag ncig thiab txo cov qib nqus.
Kev cuam tshuam tsis tu ncua ntawm luv luv-circuit tam sim no lossis tam sim no loj: Cov hluav taws xob khaus arcs tuaj yeem ua rau cov neeg sib cuag, ua rau cov hlau vapor thiab cov khoom uas tso rau ntawm phab ntsa sab hauv ntawm lub plhaub insulating, txo cov rwb thaiv tsev lub zog thiab muaj peev xwm ua kom cov pa tawm ntau dua.
Sab nraud mechanical stress:Kev cuam tshuam hnyav, kev sib tsoo, lossis kev vibrations thaum lub sij hawm installation, commissioning, los yog kev thauj mus los ntawm lub Circuit Court breaker tuaj yeem ua rau cov qauv sab hauv ntawm lub tshuab nqus tsev npuas los yog ua rau tawg ntawm cov ntsaws ruaj ruaj.
Ib puag ncig corrosion:Yog hais tias lub Circuit Court breaker yog siv nyob rau hauv ib puag ncig uas muaj siab concentration ntawm corrosive tshuaj gases, lub hauv caug los yog cov hlau qhov chaw ntawm lub plhaub yuav corrode, ua rau to.
IV. Kev ua haujlwm tsis raug thiab kev tu
Kev hloov kho tsis zoo:Kev hloov pauv tsis raug rau qhov tsis xws li kev qhib thiab kaw nrawm thiab kev hla dhau yuav ua rau muaj kev ntxhov siab ntawm cov neeg kho tshuab, ua kom nws qaug zog.
Tsis Muaj Kev Saib Xyuas:Kev tsis ua raws li kev ntsuas lub tshuab nqus tsev raws li qhov yuav tsum tau ua (xws li lub zog zaus tiv thaiv qhov ntsuas hluav taws xob, txoj kev sib nqus tawm) tiv thaiv kev tshawb pom raws sij hawm ntawm cov teeb meem thaum ntxov.
Ⅴ.Kev txiav txim siab thiab kev txiav txim siab ntawm Nqus Degree Txo hauv Nqus Circuit Court Breakers
Kev txo qis hauv lub tshuab nqus tsev kawm ntawv yuav ua rau muaj kev cuam tshuam loj rau lub peev xwm overcurrent breaker ntawm lub tshuab nqus tsev vacuum thiab ua rau txo qis hauv nws lub neej kev pab cuam. Hauv qhov xwm txheej hnyav, nws tuaj yeem ua rau qhov hloov pauv tawg. Lub tshuab nqus tsev kawm ntawv hauv lub tshuab nqus tsev vacuum interrupter raj feem ntau yuav tsum tau khaws cia ntawm 10⁻⁴ txog 10⁻⁶ Pa. Thaum nws poob mus rau ib theem, nws yuav cuam tshuam rau nws lub peev xwm tawg thiab tiv taus qib voltage. Yog li ntawd, lub tshuab nqus tsev kawm ntawv nyob rau hauv lub interrupter raj yuav tsum tau xyuas tsis tu ncua thaum siv lub tshuab nqus tsev Circuit Court breaker. Hauv kev ua haujlwm tiag tiag, kev ua haujlwm ntawm Circuit Court breaker yuav tsum tau kuaj xyuas thiab soj ntsuam ntau zaus.
Rau iav -encased lub tshuab nqus tsev cuam tshuam, kev tshuaj xyuas lub sijhawm tuaj yeem ua tau thaum lub sijhawm tshuaj xyuas. Raws li ib txwm muaj, cov xim ntawm cov khoom siv sab hauv xws li cov ntaub thaiv npog yuav tsum ci, emitting lub teeb xiav arc teeb thaum cuam tshuam tam sim no. Thaum lub tshuab nqus tsev kawm ntawv poob qis, cov xim sab hauv yuav dhau los ua grey tsaus, emitting lub teeb liab tsaus nti thaum cuam tshuam tam sim no. Thaum qhov xwm txheej saum toj no tshwm sim thaum lub sijhawm ua haujlwm, nws tuaj yeem txiav txim siab ua ntej tias lub tshuab nqus tsev nqus tsev vacuum Circuit Court breaker lub interrupter chamber tau txo qis, thiab nws yuav tsum tau lees paub los ntawm kev sim raws sijhawm. Thaum kuaj xyuas, cov neeg ua haujlwm yuav tsum tau saib xyuas seb puas muaj qhov tshwm sim tawm sab nraud ntawm lub tshuab nqus tsev cuam tshuam lub chamber. Yog tias muaj qhov tshwm sim tawm, qhov ntsuas qhov ntsuas ntawm lub tshuab nqus tsev yog qhov tsis tsim nyog, thiab lub zog yuav tsum raug txiav tawm thiab cov cuab yeej hloov tam sim ntawd. Rau kev nyab xeeb ntawm cov khoom siv hluav taws xob, cov khoom siv hluav taws xob yuav tsum tau kuaj xyuas thiab kuaj tsis tu ncua. Los ntawm cov txheej txheem ntawm kev sim, los ntawm kev kuaj xyuas tag nrho cov kev khiav hauj lwm ntawm lub Circuit Court breaker, qhov teeb meem ntawm qhov txo qis hauv lub tshuab nqus tsev Circuit Court breaker tuaj yeem kuaj tau raws sijhawm thiab raug. Lub tshuab nqus tsev theem ntawm lub tshuab nqus tsev Circuit Court breaker feem ntau tuaj yeem kuaj pom los ntawm cov kev ntsuam xyuas hauv qab no:
1. Nqus Degree Tester Inspection: Ntsuas lub nqus tsev kawm ntawv ntawm lub arc -extinguishing chamber siv lub tshuab nqus tsev ntsuas ntsuas.
Lub tshuab nqus tsev kawm ntawv ntawm lub tshuab nqus tsev arc-chamber tua hluav taws yuav tsum tau khaws cia nyob rau hauv thaj tsam ntawm 10⁻⁴ txog 10⁻⁶ Pa. Yog tias lub tshuab nqus tsev nqus tau qis dua li saum toj no-tus nqi tau hais los yog tus nqi teev nyob rau hauv phau ntawv khoom, kev lees paub ntxiv yuav tsum tau ua los ntawm kev sib cuag lub zog ntawm lub tshuab nqus tsev vacuum nyob rau hauv qhov ntsuas qhov ntsuas hluav taws xob. arc-kev tua chav tsev.
2. Lub Hwj Chim Loj Tshaj Lij Tshaj Lij Tshaj Lij Tshaj Lij Tshaj Lij Tshaj Lij: Raws li "Kev Tswj Xyuas Kev Tiv Thaiv Kev Tiv Thaiv rau Cov Khoom Siv Hluav Taws Xob," lub tshuab nqus tsev hluav taws xob ntawm 12kV thiab hauv qab no yuav tsum tau txais lub zog hluav taws xob tiv thaiv hluav taws xob tsawg kawg ib zaug txhua 1-3 xyoo. Cov kev xeem muaj xws li theem- mus rau-theem, theem- rau hauv av, thiab Circuit Court breaker tiv taus qhov ntsuas hluav taws xob. Kev tiv thaiv hluav taws xob tiv thaiv hluav taws xob tiv thaiv hluav taws xob ua haujlwm rau ob lub hom phiaj: ua ntej, nws tshawb xyuas seb qhov qhib qhov deb ntawm qhov kev txav mus los thiab cov neeg nyob ruaj khov yog tsim nyog; thib ob, nws pab txiav txim siab seb lub tshuab nqus tsev ntawm lub tshuab nqus tsev vacuum puas tau txo qis tom qab lub tshuab nqus tsev tester.
Hauv cov ntsiab lus, cov laj thawj tseem ceeb ntawm kev txo qis ntawm lub tshuab nqus tsev vacuum Circuit Court breakers tuaj yeem raug ntaus nqi los ntawm: kev tsim cov sealing tsis xws luag (inherent), mechanical qaug zog tawg ntawm lub hauv siab (qhov tseem ceeb ua haujlwm), cov khoom siv venting nyob rau hauv hluav taws xob arc, thiab cov kev cuam tshuam ntawm txawv txav overvoltage. Kev tshuaj xyuas cov kws tshaj lij tsis tu ncua yog qhov tseem ceeb rau kev ua haujlwm kom muaj kev nyab xeeb.
Shaanxi Huadian lub tshuab nqus tsev vacuum breakers khav theeb muaj peev xwm tawg, tam sim ntawd txiav luv luv - Circuit Court faults thiab tsim ib tug impenetrable thawj kab ntawm kev tiv thaiv rau koj lub hwj chim faib system. Peb tau cog lus tias yuav muab cov kev daws teeb meem uas txhim khu kev qha; nug tau txais tos.
Email:pannie@hdswitchgear.com.
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