[Cov teeb meem yuav tsum tau muab sau tseg rau hauv daim ntawv thov thiab tsim lub thawv hom substation]: 1 Txheej txheem cej luam thiab daim ntawv thov ntawm lub thawv hom substation, tseem hu ua sab nraum zoov substation, tseem hu ua ua ke substation, yog dav muaj nuj nqis vim nws qhov zoo xws li kev sib xyaw ua ke, yooj yim kev thauj mus los, tsiv teb tsaws, yooj yim installation, siv sij hawm luv luv, tsis tshua muaj nqi lag luam, me me hauv pem teb cheeb tsam, tsis muaj kuab paug, txij nkawm dawb, thiab lwm yam.
Txheej txheem cej luam thiab kev siv lub thawv hom substation
Box hom substation, tseem hu ua sab nraum zoov ua tiav substation, tseem hu ua ua ke substation, yog dav muaj nuj nqis vim nws qhov zoo xws li kev sib xyaw ua ke, yooj yim thauj, tsiv teb tsaws, yooj yim installation, siv sij hawm luv luv, tsis tshua muaj nqi lag luam, me me hauv pem teb, muaj kuab paug. -dawb, txij nkawm dawb, thiab lwm yam. Hauv kev tsim kho (kev hloov pauv) ntawm txoj kab hluav taws xob nyob deb nroog, nws tau siv dav hauv kev tsim kho thiab hloov pauv hauv nroog thiab nyob deb nroog 10 ~ 110kV me me thiab nruab nrab substations (distribution), factories thiab mines, thiab mobile ua haujlwm substations.Vim tias nws yooj yim mus tob rau hauv qhov chaw thauj khoom, txo qhov hluav taws xob lub vojvoog, thiab txhim kho lub davhlau ya nyob twg voltage zoo, nws yog qhov tshwj xeeb tshaj yog tsim rau kev hloov pauv ntawm daim phiaj hluav taws xob nyob deb nroog, thiab paub tias yog hom phiaj ntawm kev tsim kho substation hauv 21st. xyoo pua.
Cov yam ntxwv ntawm lub thawv hom substation
1.1.1Advanced thev naus laus zis thiab kev nyab xeeb * Lub thawv ib feem tau txais cov cuab yeej technology thiab txheej txheem tam sim no, lub plhaub feem ntau yog ua los ntawm aluminium zinc plated steel phaj, thav duab yog ua los ntawm cov txheej txheem ntim khoom thiab cov txheej txheem tsim khoom, uas muaj kev ua haujlwm zoo los tiv thaiv corrosion thiab muaj peev xwm. xyuas kom meej tias nws yuav tsis xeb rau 20 xyoo, lub puab sealing phaj yog ua los ntawm txhuas alloy gusset phaj, lub interlayer yog ua los ntawm fireproof thiab thermal rwb thaiv tsev cov ntaub ntawv, lub thawv yog ntsia nrog cua txias thiab dehumidification li, thiab cov cuab yeej ua hauj lwm yog. Tsis cuam tshuam los ntawm ntuj huab cua ib puag ncig thiab cov pa phem sab nraud, Nws tuaj yeem ua kom muaj kev ua haujlwm zoo nyob rau hauv qhov hnyav ntawm - 40 ℃ ~ + 40 ℃.Cov khoom siv tseem ceeb hauv lub thawv yog lub tshuab nqus tsev hloov lub txee, lub tshuab ziab khaub ncaws qhuav, hom tshuab ziab khaub ncaws, lub tshuab nqus tsev vacuum (caij nplooj ntoos hlav ua haujlwm) thiab lwm yam khoom siv hauv tsev.Cov khoom tsis muaj qhov tshwm sim nyob.Nws yog cov qauv insulated tag nrho, uas tuaj yeem ua tiav xoom hluav taws xob poob siab.Tag nrho cov chaw nres tsheb tuaj yeem paub txog kev ua haujlwm tsis muaj roj nrog kev nyab xeeb siab.Secondary computer integrated automation system tuaj yeem paub txog kev ua haujlwm tsis muaj neeg saib xyuas.
1.1.2Kev txawj ntse tsim ntawm tag nrho cov chaw nres tsheb nrog high degree ntawm automation.Lub kaw lus tiv thaiv tau txais lub microcomputer integrated automation ntaus ntawv ntawm lub substation, uas yog ntsia nyob rau hauv ib tug decentralized yam, thiab muaj peev xwm paub lub "plaub remotes", uas yog, telemetering, tej thaj chaw deb signaling, tej thaj chaw deb tswj thiab tej thaj chaw deb hloov.Txhua chav tsev muaj kev ua haujlwm ywj pheej.Cov kev tiv thaiv relay ua tiav.Nws tuaj yeem teeb tsa kev ua haujlwm tsis nyob deb, tswj cov av noo thiab kub hauv lub thawv, thiab ua tau raws li qhov xav tau ntawm kev ua haujlwm tsis muaj neeg saib xyuas.
1.1.3Thaum lub sij hawm lub Hoobkas prefabricated tsim, ntev li ntev raws li tus neeg tsim qauv ua lub hauv paus ntsiab lus ntawm cov kab hluav taws xob thiab tsim cov khoom siv sab nraum lub thawv raws li qhov xav tau tiag tiag ntawm lub substation, nws tuaj yeem xaiv cov specifications thiab qauv ntawm lub thawv transformer muab los ntawm cov chaw tsim khoom.Tag nrho cov cuab yeej yog ntsia thiab debugged nyob rau hauv lub Hoobkas ib zaug, uas tiag tiag realizes lub Hoobkas tsim ntawm lub substation thiab shortens lub tsim thiab manufacturing voj voog;Nyob rau ntawm qhov chaw installation tsuas yog yuav tsum tau muab tso rau hauv lub thawv, kev sib txuas ntawm lub thawv, kev sib txuas ntawm cable, kev tiv thaiv kev pov thawj, kev sim tsav thiab lwm yam haujlwm uas yuav tsum tau ua haujlwm.Tag nrho substation tsuas yog siv sijhawm li 5-8 hnub los ntawm kev teeb tsa mus rau kev ua haujlwm, txo qis lub sijhawm tsim kho.
1.1.4Kev sib xyaw ua ke yooj yim Lub thawv hom substation muaj cov qauv compact, thiab txhua lub thawv tsim ib qho kev ywj pheej, uas ua rau kev sib xyaw ua ke hloov tau thiab hloov tau.Peb tuaj yeem txais yuav lub thawv hom substation, uas yog, 35kV thiab 10kV cov cuab yeej tau nruab rau hauv txhua lub thawv los tsim ib lub thawv tag nrho hom substation;35kV cov cuab yeej tseem tuaj yeem ntsia sab nraum zoov, thiab 10kV cov cuab yeej thiab kev tswj thiab kev tiv thaiv tuaj yeem ntsia tau rau hauv.Qhov kev sib xyaw ua ke no tshwj xeeb tshaj yog tsim nyog rau kev tsim kho ntawm cov qub substations nyob rau hauv lub nroog fais fab fais fab reconstruction, uas yog, tus thawj 35kV cov cuab yeej tsis tsiv, thiab tsuas yog 10kV hloov lub thawv tuaj yeem ntsia tau raws li qhov yuav tsum tau ua.
1.1.5Kev nqis peev txuag thiab ua haujlwm tau zoo ntawm lub thawv ceev ceev hom substation (35kV cov cuab yeej tau teeb tsa sab nraum zoov thiab 10kV cov cuab yeej tau teeb tsa hauv lub thawv) txo kev nqis peev los ntawm 40% ~ 50% piv nrog kev sib xyaw substation ntawm tib qhov ntsuas (35kV cov cuab yeej yog teem sab nraum zoov thiab 10kV cov cuab yeej yog teem rau sab hauv tsev high-voltage hloov chav thiab chav tswj nruab nrab).
1.1.6Cov piv txwv saum toj no qhia tau hais tias thaj tsam hauv pem teb ntawm lub substation raug txo los ntawm 70m2 vim lub thawv hom substation tsis muaj lub tsev ntau, uas ua raws li txoj cai txuag av hauv tebchaws.
1.2Daim ntawv thov ntawm lub thawv hom substation hauv kev siv hluav taws xob nyob deb nroog (transformation) Lub thawv hom substation hom yog dav siv hauv kev siv hluav taws xob nyob deb nroog (transformation).Piv txwv li, ib tug tshiab 35kV davhlau ya nyob twg substation nrog lub ntsiab transformer muaj peev xwm ntawm 2 × 3150kVA, peb-theem ob chav winding tsis excitation voltage regulating hwj chim transformer nrog voltage qib ntawm 35 ± 2 × 2.5％ / 10.5kV.
Ib lub voj voog ntawm 35kV nyiaj siv ua haujlwm dhau los, 35kV lub tshuab nqus tsev load disconnector thiab cov fuse ceev tau siv ua ke ntawm qhov siab-voltage sab ntawm lub ntsiab transformer los hloov 35kV lub tshuab nqus tsev Circuit Court breaker, txo tus nqi, thiab paub txog kev sib txuas qhib thaum lub fuse yog fused hauv ib qho. theem thiab theem tsis ua haujlwm.Lub 10kV ib feem txais qhov kev teeb tsa ntawm lub thawv hom fais fab faib chaw nres tsheb.Muaj 6 cov kab tawm ntawm 10kV cables, ib qho yog cov nyiaj them rov qab thiab lwm qhov yog standby.Cov tsheb npav 35kV thiab 10kV txuas nrog ib lub tsheb npav tsis muaj ntu.Lub substation yog teem rau ntawm 35kV cov kab nkag sab, nrog lub peev xwm ntawm 50kVA thiab qhov voltage ntawm 35 ± 5% / 0.4kV.Lub tshuab hluav taws xob theem nrab ntawm lub thawv hom faib chaw nres tsheb txais yuav lub microcomputer integrated automation system.
[$page] 2 Kev txiav txim siab hauv kev tsim lub thawv hom substation
2.1Qhov kev tiv thaiv hluav taws tsawg kawg nkaus ntawm lub ntsiab transformer thiab lub thawv yuav tsum ua kom tau raws li qhov yuav tsum tau ua ntawm Code for Design of 35 ~ 110kV Substation, thiab qhov kev tiv thaiv hluav taws tsawg kawg nkaus ntawm cov tsev uas muaj qhov ntsuas hluav taws kub ntawm Class II thiab transformer (roj rau hauv) yuav tsum yog 10 m.Rau cov phab ntsa sab nraud uas tig mus rau lub transformer, combustible dielectric capacitor thiab lwm yam khoom siv hluav taws xob (ua tau raws li qhov yuav tsum tau ua ntawm firewall), yog tias tsis muaj lub qhov rooj thiab qhov rais los yog qhov nyob rau hauv tag nrho qhov siab ntawm cov cuab yeej ntxiv rau 3m thiab 3m ntawm ob sab, qhov pom kev deb ntawm cov phab ntsa thiab cov khoom siv tuaj yeem raug txwv tsis pub;Yog tias tsis muaj qhov rooj dav dav thiab qhov rais qhib nyob rau hauv qhov chaw saum toj no, tab sis muaj qhov rooj hluav taws, qhov pom tseeb ntawm qhov hluav taws kub ntawm phab ntsa thiab cov khoom siv yuav tsum sib npaug los yog ntau dua 5m.Qhov ntsuas hluav taws kub tsawg kawg nkaus ntawm cov khoom siv hluav taws xob faib hluav taws xob yog Qib II.Lub hauv paus system nyob rau hauv lub thawv ntawm lub thawv hom fais fab faib chaw nres tsheb txais lub tshuab nqus tsev hloov txee qauv.Txhua chav siv lub qhov rooj qauv dai kom zoo nkauj nrog tshwj xeeb aluminium profiles.Lub nraub qaum ntawm txhua lub bay yog nruab nrog ob txheej tiv thaiv daim hlau, uas tuaj yeem qhib qhov rooj sab nraud.Hauv peb qhov kev tsim qauv, qhov kev tiv thaiv hluav taws tsawg kawg nkaus ntawm lub ntsiab transformer thiab lub thawv yog pom zoo kom ua 10m kom ntseeg tau tias kev ua haujlwm zoo ntawm lub substation.
2.2Lub qhov hluav taws xob 10kV yuav tsum tau muab tso rau hauv cov kav dej steel rau kev zoo nkauj.Cov cheeb tsam ib puag ncig ntawm 10kV lub thawv hom chaw nres tsheb hauv lub chaw nres tsheb feem ntau yog tsim los ua cov cement pavement, thiab 10kV kab davhlau ya nyob twg ncej feem ntau yog 10m sab nraum phab ntsa substation.Yog hais tias lub cable yog ncaj qha faus thiab coj mus rau txoj kab dav hlau ncej, nws yuav ua rau muaj teeb meem loj rau kev saib xyuas.Yog li ntawd, 10kV cable qhov hluav taws xob yuav tsum tau muab tso rau hauv cov kav dej steel los pab tswj xyuas thiab kho cov neeg siv khoom.Yog hais tias 10kV kab davhlau ya nyob twg ncej nyob deb ntawm lub substation, lub 10kV cable qhov hluav taws xob ntawm lub thawv mus rau lub enclosure ntawm lub substation yuav tsum tau nteg los ntawm steel kav.Ib hom tshiab ntawm kev tiv thaiv dhau-voltage yog ntsia rau ntawm kab davhlau ya nyob twg ncej ntawm qhov kawg ntawm cov kab hluav taws xob tawm los tiv thaiv dhau-voltage.
3 Kev xaus
Nyob rau hauv xyoo tas los no, lub thawv hom substation yog lub hauv paus ntsiab lus ntawm kev siv hluav taws xob nyob deb nroog (kev hloov pauv) thiab kev tsim kho substation yav tom ntej, tab sis tseem muaj qee qhov tsis txaus, xws li kev nthuav dav me me ntawm cov kab tawm hauv lub thawv, qhov chaw tu me me, thiab lwm yam. .Txawm li cas los xij, nws tau nthuav dav thiab siv nrog qhov zoo ntawm kev lag luam thiab kev ua tau zoo, thiab nws qhov tsis zoo yuav raug txhim kho thiab ua tiav hauv kev txhim kho txuas ntxiv.
Post lub sij hawm: Oct-22-2022