Nrog rau qhov kev vam meej ntawm UHV AC / DC kis tau tus mob project tsim, cov kev tshawb fawb tau ntawm UHV fais fab kis tau tus mob thiab transformation technology yog nce ntau, uas muab muaj zog scientific thiab technologies txhawb kev tsim kho ntawm lub thoob ntiaj teb lub zog Internet lag luam nrog Suav yam ntxwv.Nrog rau txoj kev loj hlob sai ntawm daim phiaj hluav taws xob, qhov teeb meem ntawm luv luv tam sim no tau maj mam dhau los ua ib qho tseem ceeb txwv kev loj hlob ntawm daim phiaj hluav taws xob thiab kev loj hlob ntawm daim phiaj hluav taws xob.
Lub peev xwm tawg ntawm high-voltage high-power Circuit Court breaker ncaj qha txiav txim siab txog kev nyab xeeb thiab kev ntseeg siab ntawm kev pab cuam mus sij hawm ntev ntawm cov kab hluav taws xob.Txij li thaum xyoo 2016, tso siab rau ntau qhov kev tshawb fawb thiab thev naus laus zis ntawm State Grid Co., Ltd., ntiaj teb lub zog Internet Tshawb Fawb Lub Tsev Haujlwm Co., Ltd. thiab PingGao Group Co., Ltd. tau ua tiav kev tsim kho tshiab graphene hloov kho hluav taws xob tiv tauj. cov khoom tom qab tsib xyoos ntawm kev tshawb fawb tshawb fawb.Qhov no yog qhov tseem ceeb heev los daws qhov teeb meem ntawm luv luv Circuit Court dhau tus qauv thiab ua kom muaj kev nyab xeeb thiab ruaj khov ntawm AC / DC UHV hybrid daim phiaj hluav taws xob.
Kev tshawb fawb txog kev kho dua tshiab ntawm cov khoom siv hluav taws xob hluav taws xob tsom rau cov kev xav tau tseem ceeb
Raws li cov ntaub ntawv txheeb cais, thaum lub sijhawm siv hluav taws xob siab tshaj plaws nyob rau lub caij ntuj sov xyoo 2020, qhov siab tshaj plaws luv luv tam sim no ntawm qee qhov chaw nres tsheb hauv thaj chaw ua haujlwm ntawm State Grid thiab Tuam Tshoj Southern Power Grid yuav ncav cuag lossis ntau dua 63 Ka.Raws li kev txheeb cais ntawm State Grid Corporation ntawm Tuam Tshoj, nyob rau hauv lub xyoo tsis ntev los no, ntawm cov tsis ua hauj lwm ntawm 330kV thiab saum toj no UHV substation khoom nyob rau hauv lub tuam txhab kev lag luam cheeb tsam, raws li cov hom ntawm cov cuab yeej, qhov txhaum mus los ntawm cov roj insulated hlau enclosed switchgear ( GIS) thiab hybrid faib khoom (HGIS) suav txog li 27.5%, qhov hluav taws xob hluav taws xob suav txog 16.5%, transformers thiab tam sim no transformers account rau 13.8%, Cov khoom siv thib ob thiab tsheb npav suav txog 8.3%, reactor suav txog 4.6%, tus neeg ntes tau suav txog 3.7 %, disconnector thiab xob laim suav nrog 1.8%.Nws tuaj yeem pom tias GIS, Circuit Court breaker, transformer thiab tam sim no transformer yog cov cuab yeej tseem ceeb ua rau muaj kev txhaum, suav txog 71.6% ntawm tag nrho cov kev mus ncig.
Kev tsom xam ntawm qhov ua txhaum cai qhia tau hais tias qhov teeb meem zoo ntawm kev sib cuag, bushing thiab lwm yam khoom thiab cov txheej txheem tsis zoo yog qhov tseem ceeb ua rau kev ua txhaum ntawm Circuit Court breaker.Thaum lub sijhawm ua haujlwm ntawm SF6 Circuit Court breaker rau ntau zaus, qhov inrush tam sim no yaig ntau zaus ntau dua li qhov ntsuas tam sim no thiab cov neeg kho tshuab hnav ntawm qhov txav thiab qhov sib txuas zoo li qub yuav ua rau kev sib cuag deformation thiab tsim cov hlau vapor, uas yuav ua rau lub rwb thaiv tsev kev ua tau zoo. lub arc extinguishing chamber.
Thaum lub sij hawm kaum plaub Tsib Xyoo Kev Npaj, Qinghai Xeev npaj yuav nthuav dav lub peev xwm ntawm ob lub 500kV substations los ua kom luv luv-circuit tam sim no load los ntawm 63kA rau 80kA uas twb muaj lawm.Yog tias cov khoom siv hluav taws xob tau hloov kho dua tshiab, lub peev xwm ntawm substation tuaj yeem nthuav dav ncaj qha, thiab tus nqi loj ntawm substation expansion yuav raug cawm dim.Lub sijhawm tawg ntawm cov hluav taws xob siab thiab lub peev xwm loj hauv Circuit Court breaker feem ntau yog tswj los ntawm lub neej ntawm cov hluav taws xob tiv tauj hauv Circuit Court breaker.Tam sim no, txoj kev loj hlob ntawm hluav taws xob tiv tauj rau high voltage Circuit Court breakers nyob rau hauv Tuam Tshoj yog mas raws li txoj kev ntawm tooj liab tungsten alloy cov ntaub ntawv.Cov khoom siv tooj liab tungsten alloy hluav taws xob hauv tsev tsis tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm ultra-high thiab ultra-high voltage engineering daim ntawv thov nyob rau hauv cov nqe lus ntawm arc ablation kuj thiab kev sib txhuam thiab hnav tsis kam.Thaum lawv tau siv dhau qhov kev pab cuam lub neej ntau, lawv yuav raug rov nkag mus, uas ncaj qha cuam tshuam rau kev ua haujlwm rwb thaiv tsev ntawm cov khoom siv hluav taws xob thiab ua rau muaj kev phom sij loj rau kev nyab xeeb ntawm daim phiaj hluav taws xob.Cov tooj liab tungsten alloy hluav taws xob tiv tauj cov khoom hauv kev pabcuam muaj qhov yooj yim thiab elongation, thiab yooj yim rau kev ua tsis tiav thiab tawg hauv cov txheej txheem ntawm kev ua, thiab tsis muaj ablation kuj.Thaum lub sij hawm arc ablation txheej txheem, tooj liab yog ib qho yooj yim mus sau thiab loj hlob, uas ua rau kev sib cuag tawg tsis ua hauj lwm.Yog li ntawd, nws yog ib qho tseem ceeb heev los txhim kho qhov tseem ceeb ntawm kev ua tau zoo ntawm cov khoom siv hluav taws xob, xws li hnav tsis kam, conductivity, tiv thaiv vuam, tiv thaiv arc yaig, txo qhov tsis ua hauj lwm ntawm Circuit Court breaker thiab tswj kom muaj kev nyab xeeb thiab ruaj khov ntawm lub zog. daim phiaj.
Chen Xin, tus thawj coj ntawm lub koom haum ntawm cov ntaub ntawv, Academia Sinica, tau hais tias: "tam sim no, thaum lub caij luv luv tam sim no ntawm daim phiaj hluav taws xob tshaj qhov muaj peev xwm tawg ntawm lub Circuit Court breaker, qhov luv-circuit tam sim no tshaj tus qauv, uas cuam tshuam loj heev. Kev ua haujlwm kev ntseeg siab ntawm daim phiaj hluav taws xob, thiab tso siab rau cov kev xav tau ntau dua rau kev tawg ntawm lub Circuit Court breaker thiab ablation tsis kam ntawm kev sib cuag. Yog li nws yog ib qho tsim nyog los ua kom tiav kev saib xyuas, uas yog deb ntawm kev ua tau raws li kev saib xyuas dawb ntawm lub neej tiag tiag ntawm SF6 Circuit Court breakers. " ua ntej tawg arc ua ntej kaw, thiab lwm yam yog cov neeg kho tshuab hnav tom qab cov khoom sib cuag arc yuav mos tom qab ablation.Nws yog ib qho tsim nyog los muab txoj hauv kev tshiab los txhim kho cov txiaj ntsig tseem ceeb ntawm cov khoom siv hluav taws xob tiv tauj "Technology yuav tsum tau ua kom zoo dua qub thiab tsim kho tshiab.Peb yuav tsum tuav rawv txoj kev pib ntawm peb tus kheej tes." Chen Xin hais.
Nyob rau hauv lub ntsej muag ntawm qhov kev xav tau ceev ntawm lub teb chaws fais fab kis tau tus mob thiab hloov khoom siv rau kev kho dua tshiab ntawm cov khoom siv hluav taws xob sib cuag ntawm cov khoom tseem ceeb ntawm high-voltage Circuit Court breaker, los ntawm 2016, lub koom haum ntawm hluav taws xob cov ntaub ntawv tshiab ntawm lub koom haum tshawb fawb Joint, Lub koom haum European, pawg Pinggao thiab lwm lub koom haum koom ua ke ua kev tshawb fawb ntawm cov tshiab graphene hloov kho tooj liab raws li cov khoom siv hluav taws xob, thiab ua tiav kev koom tes thoob ntiaj teb kev vam khom rau European Institute thiab University of Manchester, UK.Pab txhim kho kev ua haujlwm ntawm high voltage Circuit Court breaker.
Pab neeg ua hauj lwm ua ke los daws ntau yam teeb meem
Synergistic kev txhim kho ntawm arc ablation tsis kam thiab kev sib txhuam thiab hnav tsis kam yog tus yuam sij rau kev tsim cov khoom siv hluav taws xob ua haujlwm siab.Kev tshawb fawb ntawm high-voltage hluav taws xob tiv tauj cov ntaub ntawv nyob rau hauv txawv teb chaws lub teb chaws pib ua ntej, thiab cov cuab yeej yog kuj mature, tab sis cov tub ntxhais technology twb thaiv peb lub teb chaws.Relying ntawm ib tug xov tooj ntawm scientific thiab technological tej yaam num ntawm lub tuam txhab, peb tes num pab neeg, koom tes nrog txawv teb chaws R & D muaj peev xwm, industrial pab pawg neeg kuaj xyuas thiab daim ntawv thov ua qauv qhia ntawm lub xeev fais fab tuam txhab uas muag, tau tsim ib tug hluas scientific thiab technological pab neeg nrog "80 " nraub qaum raws li lub cev tseem ceeb.
Cov tswv cuab tseem ceeb ntawm pab pawg tau coj hauv paus hauv R & D pem hauv ntej kab hauv R & D theem ntawm cov khoom siv tshuab thiab txheej txheem kev npaj;Nyob rau hauv kev sim ntau lawm theem, lub tuam txhab tau tso tseg ntawm cov chaw tsim khoom los daws cov teeb meem kev lag luam ntawm qhov chaw, thiab thaum kawg tsoo los ntawm qhov nyuaj ntawm qhov sib npaug ntawm cov khoom siv, muaj pes tsawg leeg, cov qauv tsim thiab kev npaj, thiab ua kom muaj kev sib tw hauv cov thev naus laus zis tseem ceeb. kev txhim kho cov khoom siv;Nyob rau theem ntawm hom kev xeem, kuv nyob hauv Pinggao pab pawg high voltage xeem chaw nres tsheb, tham nrog Pinggao pab pawg neeg technology center thiab high voltage chaw nres tsheb R & D pab neeg rau ntau zaus, debugged dua, thiab thaum kawg ua tiav ib tug zoo leap nyob rau hauv lub breaking peev xwm ntawm siab. voltage siab tam sim no Circuit Court breaker hluav taws xob lub neej.
Nrog rau kev siv zog tas mus li, pab pawg tshawb fawb tau ua tiav cov txheej txheem ntawm kev ua haujlwm siab ntawm graphene reinforced tooj liab raws li cov khoom siv hluav taws xob sib txuas, tawg los ntawm cov thev naus laus zis tseem ceeb ntawm graphene hluav taws xob tiv tauj cov ntaub ntawv qhia txheej txheem tsim thiab ua kom sintering infiltration integrated molding, thiab paub txog kev lag luam. kev npaj ntawm ntau tus qauv graphene hloov kho hluav taws xob tiv tauj cov ntaub ntawv.Thawj thawj zaug, pab pawg tsim graphene hloov kho tooj liab tungsten alloy hluav taws xob tiv tauj rau sulfur hexafluoride Circuit Court breaker ntsib 252kV thiab siab dua.Cov kev ntsuas tseem ceeb xws li conductivity thiab dabtsi yog khoov lub zog yog zoo dua li cov khoom siv, zoo heev txhim kho lub neej hluav taws xob ntawm cov hluav taws xob hluav taws xob hluav taws xob hluav taws xob, sau cov kev sib txawv hauv kev ua haujlwm ntawm graphene hloov kho high-voltage hloov hluav taws xob cov ntaub ntawv. , Nws txhim kho lub tuam txhab kev tshawb fawb ywj pheej thiab kev txhim kho qib siab tam sim no thiab muaj peev xwm loj hloov hluav taws xob tiv tauj, thiab pab kom muaj kev nyab xeeb thiab txhim khu kev lag luam ntawm lub zog hluav taws xob.
Cov txiaj ntsig ntawm qhov project txhawb kev ywj pheej tsim thiab kev siv hauv cheeb tsam ntawm Circuit Court breaker
Txij thaum Lub Kaum Hli 29 txog rau 31, 2020, raws li cov kev tshawb fawb pom zoo tsim los ntawm lub koom haum tshawb fawb sib koom thiab Pinggao pawg tom qab ntau qhov kev sib tham, qhib kab tshiab hom 252kV / 63kA SF6 Circuit Court breaker ntawm Pinggao pab pawg raws li kev sib cuag hluav taws xob ua tiav 20 zaug. ntawm ib lub sij hawm tag nrho tawg peev xwm.Zhong Jianying, tus kws tshaj lij ntawm pawg Pinggao, tau hais tias: "raws li kev xav ntawm pab pawg kws tshaj lij kev lees paub, tag nrho cov thev naus laus zis ntawm qhov project tau mus txog qib siab thoob ntiaj teb, thiab cov ntsuas kev qhia tseem ceeb tau mus txog qib thoob ntiaj teb. ua kom muaj kev vam meej hauv cov thev naus laus zis tuaj yeem ua rau peb zoo dua tuaj yeem pab cov tuam txhab tswj hwm cov nqi thiab xyuas kom cov khoom siv tseem ceeb, yav tom ntej, peb yuav tsum txuas ntxiv ntxiv dag zog rau kev tshawb fawb ntawm cov tshuab engineering thiab txhawb kev hloov pauv kev lag luam ntawm kev tshawb fawb kev ua tiav. "
Qhov kev ua tiav no txhawb nqa kev ywj pheej tsim, kev tsim kho thiab kev siv hauv tsev ntawm 252kV porcelain post circuit breaker nrog ntsuas luv luv Circuit Court breaking tam sim no ntawm 63kA thiab ntsuas tam sim no ntawm 6300A hauv Pinggao pawg.252kV / 63kA ncej hom Circuit Court breaker muaj kev lag luam loj thiab thaj chaw dav dav.Kev vam meej ntawm hom hluav taws xob hluav taws xob no ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev lag luam hauv tsev thiab txawv teb chaws ntawm cov hluav taws xob hluav taws xob hauv tsev, uas yog qhov tsim nyog rau kev txhim kho R & D lub zog thiab kev ua haujlwm ntawm lub tuam txhab hauv kev lag luam high-end switchgear. , thiab muaj txiaj ntsig zoo rau kev sib raug zoo thiab kev lag luam.
Kev lag luam xav tau ntawm high-voltage hluav taws xob tiv tauj hauv Suav teb yog kwv yees li 300000 teeb hauv ib xyoos, thiab tag nrho cov khoom lag luam txhua xyoo yog ze rau 1.5 billion yuan.Tshiab high voltage hluav taws xob tiv tauj cov ntaub ntawv muaj dav kev lag luam zeem muag nyob rau hauv lub neej yav tom ntej txoj kev loj hlob ntawm daim phiaj fais fab.Tam sim no, txoj haujlwm ua tiav tau mus txog kev koom tes thiab kev hloov pauv lub hom phiaj nrog Pinggao, Xikai, taikai thiab lwm lub tuam txhab hluav taws xob hloov hluav taws xob, tso lub hauv paus rau daim ntawv thov ua qauv qhia tom ntej thiab kev txhawb nqa loj hauv thaj tsam ntawm ultra-high voltage thiab ultra- high voltage fais fab kis thiab transformation.Pab pawg ua haujlwm yuav txuas ntxiv tsom mus rau pem hauv ntej ntawm lub zog thiab lub zog kev tshawb fawb thiab thev naus laus zis, txuas ntxiv ntxiv dag zog rau kev tsim kho tshiab thiab kev coj ua, thiab txuas ntxiv txhawb kev tshawb fawb ywj pheej thiab kev txhim kho thiab hauv cheeb tsam siv cov ntaub ntawv tseem ceeb rau cov khoom siv hluav taws xob high-end.
Post lub sij hawm: Lub Xya hli ntuj-08-2021