Gas Insulated Switchgear

Henan GNEE Electric Co., Ltd. yog ib qho ntawm feem txhim khu kev qha manufacturers thiab lwm tus neeg ntawm cov roj insulated switchgear hauv Suav teb. Yog hais tias koj yuav mus yuav customized gas insulated switchgear ua nyob rau hauv Suav teb, txais tos kom tau txais cov lus hais los ntawm peb lub hoobkas. Cov khoom zoo thiab tus nqi tsim nyog muaj.

Gas insulated switchgear (GIS)yog ib qho compact, hlau-encapsulated switchgear system uas siv sulfur hexafluoride (SF6) gas los yog eco-cov pa roj uas yog tus phooj ywg zoo li cov thawj insulating thiab arc-quenching nruab nrab. Hauv GIS system, tag nrho cov khoom siv hluav taws xob- suav nrog cov hluav taws xob hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov hluav taws xob tam sim no, cov hluav taws xob hloov hluav taws xob, thiab cov hloov hluav taws xob hauv av- raug kaw hauv cov pa roj- nruj hlau thaiv. Qhov rwb thaiv tsev no ua tau zoo heev txo cov cuab yeej hneev taw, feem ntau mus txog kwv yees li 10% ntawm cov pa pa -insulated switchgear (AIS) substation.

GIS yog qhov kev daws teeb meem zoo tshaj plaws rau kev faib hluav taws xob niaj hnub uas qhov chaw muaj tsawg, ib puag ncig muaj kev kub ntxhov, lossis kev nyab xeeb siab tshaj plaws thiab kev ntseeg siab yuav tsum tau. Txawm hais tias xa mus rau hauv nroog substations, underground installations, renewable zog ua liaj ua teb, los yog hnyav industrial chaw, gas insulated switchgear muab superior kev kawm nrog tsawg kawg nkaus tu nyob rau hauv lub neej ntev kev ua hauj lwm.

Muab piv rau cov huab cua ib txwm muaj-insulated switchgear, GIS muab qhov sib piv tsis sib xws, kev nyab xeeb, thiab kev tiv thaiv ib puag ncig. Lub kaw lus tsim tiv thaiv plua plav, noo noo, ntsev, thiab cov pa phem los ntawm kev ua kom cov khoom siv hauv lub cev tsis zoo, ua kom muaj kev ua tau zoo ib yam txawm tias nyob rau hauv cov xwm txheej nyuaj tshaj plaws. Qhov no ua rau cov roj hluav taws xob hluav taws xob hloov pauv rau yav tom ntej - pov thawj xaiv rau kev hloov kho kab sib chaws thiab kev nthuav dav thoob ntiaj teb.

Cov yam ntxwv tseem ceeb ntawm ib saib

Lub hauv paus ntsiab lus tom qab roj insulated switchgear yog elegant tsis tau zoo heev: tag nrho cov thawj conductors thiab switching pab kiag li lawm yog encapsulated nyob rau hauv ib tug pressurized tank ntawm insulating roj.

SF6 gas muab ntau yam khoom sib txawv uas ua rau nws zoo dua rau huab cua rau nruab nrab thiab siab -voltage applications:

• High Dielectric zog:SF6 roj tuaj yeem tiv taus qhov ntsuas hluav taws xob kwv yees li peb zaug siab dua li huab cua yam tsis muaj kev puas tsuaj, ua rau nws muaj qhov zoo tshaj plaws insulator uas ua rau kom txo qhov loj me.
• High Thermal conductivity:SF6 zoo dissipates cua sov los ntawm cov khoom siv sab hauv, pab tswj kev ua haujlwm kub hauv lub kaw lus kaw.
• High Electron Affinity:SF6 roj tau zoo nqus cov hluav taws xob dawb, txo cov nqi tsim hluav taws xob thaum muaj hluav taws xob tsis raug thiab tiv thaiv arc re-ignition.

Cov txheej txheem Arc cuam tshuam

Thaum lub Circuit Court breaker ua haujlwm thaum muaj teeb meem, ib qho hluav taws xob arc tsim tawm. Qhov arc no ua rau cov ntshav hnyav heev uas yuav tsum tau tua sai sai los tiv thaiv cov khoom puas.

GIS siv ob lub tswv yim tseem ceeb:

• Thermal cuam tshuam:Thaum tshav kub kub ntawm lub arc yog pauv mus rau ib puag ncig SF6 roj, txias lub arc thiab ua rau nws tsis kam. Raws li kev tawm tsam nce, tam sim no txo ​​qis kom txog thaum nws mus txog qhov chaw zero hauv AC lub voj voog, tua lub arc.
• Dielectric rov qab:Tom qab lub arc ploj lawm, SF6 roj sai sai rov ua nws lub zog insulating los ntawm kev ntes cov electrons dawb thiab neutralizing ionized hais. Qhov no tiv thaiv lub arc los ntawm re- igniting thiab xyuas kom muaj kev ruaj ntseg Circuit Court cais.

Niaj hnub nimno GIS systems suav nrog cov roj ntws siab tswj, ntse sensors, thiab tiag - lub sijhawm saib xyuas los tswj cov txheej txheem no nrog qhov tseeb, ua kom muaj kev nyab xeeb ntawm kev ua haujlwm ntawm txhua yam.

Lub tshuab hluav taws xob zoo hluav taws xob hluav taws xob hluav taws xob yog qhov sib dhos ntawm ntau yam tseem ceeb, txhua qhov kaw hauv cov pa roj- nruj hlau thaiv. Txhua yam khoom ua haujlwm tshwj xeeb hauv lub zog hluav taws xob:

• SF6 Insulating Gas:Sulfur hexafluoride muab tshwj xeeb dielectric zog thiab arc -quenching zog. Tsis yog - tshuaj lom, tsis yog -flammable, thiab chemically ruaj khov. Eco- lwm txoj hauv kev SF6-dawb tus phooj ywg kuj muaj.
• Circuit Breakers:Cov cuab yeej tiv thaiv tseem ceeb. Lub tshuab nqus tsev lossis SF6 Circuit Court breakers cuam tshuam ob qho tib si thiab qhov tsis raug tam sim no, cais cov seem uas puas lawm. Nyob rau hauv cais gas compartments.
• Disconnectors (Isolators):Lub cev cais cov ntu hauv Circuit Court los ntawm cov kab ke nyob kom muaj kev nyab xeeb. Ua haujlwm tsuas yog thaum lub circuit twb de-energized. Siv SF6 roj rau rwb thaiv tsev.
• Earthing Switches: Kev ruaj ntseg txuas cov ntu cais rau hauv ntiaj teb rau kev tiv thaiv cov neeg ua haujlwm thaum tu, ua kom tsis muaj peev xwm. Gas- insulated rau compact, txhim khu kev qha ua haujlwm.

• Tam sim no & Voltage Transformers: Ntsuas thiab hloov siab - theem system tam sim no thiab voltages rau cov qauv qis dua rau kev ntsuas, kev tiv thaiv, thiab tswj lub hom phiaj.
• Busbars:Rigid tooj liab lossis txhuas conductors nqa lub ntsiab tam sim no. Ncua ntim thiab rwb thaiv tsev los ntawm cov pa roj, ua kom muaj kev sib haum xeeb thiab ua haujlwm zoo tam sim no.
• Surge Arresters: Tiv thaiv GIS system los ntawm overvoltage tshwm sim los ntawm xob laim ntaus lossis hloov ua haujlwm. Hlau oxide varistors (MOVs) nyob rau hauv cov roj.
• Hlau Enclosure: Grounded aluminium lossis steel tank vaj tse tag nrho cov khoom nyob. Gas- nruj kom tswj tau qhov xav tau, siab- tiv taus, thiab tsim kom muaj kev nyab xeeb.

Cov lus hauv qab no nthuav tawm cov txheej txheem tseem ceeb rau peb cov khoom siv roj insulated switchgear khoom kab. Parameters sib txawv raws li cov chav kawm voltage thiab qhov project configuration.

Gas insulated switchgear yog categorized los ntawm qib voltage thiab tsim daim ntawv thov, muab cov kev daws teeb meem yooj yim rau ntau hom kev siv hluav taws xob:

Los ntawm Voltage Level

• Nruab nrab Voltage (MV) GIS:Npog 12kV txog 40.5kV, suav nrog nrov 12kV, 24kV, 33kV, thiab 40.5kV GIS switchgear. Dav siv nyob rau hauv nroog tis networks thiab industrial daim ntaub ntawv.
• High Voltage (HV) GIS:Npog 72.5kV rau 145kV, suav nrog 72.5kV, 126kV, thiab 145kV GIS. Siv rau hauv kev sib kis kab sib chaws thiab kev sib txuas hluav taws xob loj.
• Ultra-High Voltage (UHV) GIS:Rau qhov hluav taws xob siab tshaj 145kV, xa mus rau hauv loj - cov chaw xa xov hluav taws xob thiab kev sib txuas hauv teb chaws.

Los ntawm Daim Ntawv Thov

• Compact GIS (C-GIS):Tsim kom muaj qhov chaw siab tshaj plaws -txuag, sib txuas ntau lub zog rau hauv ib qho roj av- puv tank. Zoo tagnrho rau underground substations thiab nruj installation.
• Hybrid GIS:Ua ke GIS thev naus laus zis rau siab- cov khoom siv hluav taws xob nrog AIS cov khoom siv rau cov bushings thiab kev sib txuas. Muab qhov sib npaug ntawm compactness thiab tus nqi.
• Modular GIS:Tsim los nrog cov qauv tsim, sib pauv hloov tau yooj yim rau kev nthuav dav yooj yim thiab kho dua tshiab ntawm substation layouts raws li daim phiaj xav tau hloov zuj zus.

Cov yam ntxwv zoo tshaj plaws ntawm cov roj hluav taws xob hloov hluav taws xob ua rau nws qhov kev daws teeb meem zoo tshaj plaws hauv cov chaw nyuaj thiab qhov chaw txuas ntxiv ntawm lub zog yog qhov tseem ceeb. Cov ntawv thov ib txwm muaj xws li:

• Nroog & metropolitan substations (GIS substation)
• Underground thiab sab hauv tsev installation
• Renewable zog kev koom ua ke (cua & hnub ci)
• Offshore cua ua liaj ua teb thiab platforms
• Muaj cov chaw tsim khoom & chaw tsim khoom
• Cov chaw tsim hluav taws xob
• High voltage kis kab sib chaws
• Rail systems thiab metro networks
• Cov chaw khaws ntaub ntawv xav tau lub zog tas li
• Cov nroj tsuag tshuaj thiab steel mills
• Mining thiab kev lag luam hnyav
• Commercial high-cov tsev nce siab

GIS yog qhov tseem ceeb tshaj plaws hauvrenewable zog integration. Offshore cua ua liaj ua teb nyob rau sab qaum teb Hiav Txwv siv GIS los tiv thaiv cov cuab yeej los ntawm corrosive ntsev thiab noo noo. Hnub ci fais fab nroj tsuag nyob rau hauv Middle East thiab yav qab teb Europe cia siab rau GIS los tswj lub zog tseem ceeb ntws thaum lub hnub ci siab tshaj. Hydropower chaw nres tsheb hauv Asia thiab South America tau txais txiaj ntsig los ntawm GIS compactness thiab siab -voltage tuav. Lub kaw lus kaw txo qis kev ua haujlwm tsis ua haujlwm thiab cuam tshuam kev pabcuam, ua rau nws yog qhov kev xaiv txhim khu kev qha rau tej thaj chaw deb lossis chaw muaj kev phom sij.

Ib qho txiaj ntsig loj tshaj ntawm GIS yog nws qhov kev saib xyuas tsawg. Vim hais tias cov cuab yeej muaj nyob rau hauv tag nrho, nws tsis raug rau lwm yam ib puag ncig. Kev saib xyuas niaj hnub feem ntau suav nrog:

• Gas Density Saib Xyuas:Tsis tu ncua xyuas SF6 roj siab thiab ceev. Ib qho poob qhia tias muaj peev xwm xau uas yuav tsum tau hais tam sim ntawd. Niaj hnub nimno GIS nta tau tsim - nyob rau hauv qhov ceev relays nrog lub tswb thiab kaw qhov pib.
• Kev Tshawb Fawb Kev Ua Haujlwm:Kev sim txhua lub sijhawm ua haujlwm ntawm cov khoom siv hluav taws xob thiab cov disconnectors kom ntseeg tau tias kev hloov pauv hloov tau yooj yim.
• Kev kuaj qhov tso tawm ib nrab:Advanced diagnostic testing using UHF sensors or acoustic emission methods to detect insulation degradation without opening the enclosure.
• Visual & Thermographic Inspections:Tshawb xyuas cov khoom siv sab nraud, tswj cov cubicles, kev txiav cov kab hluav taws xob, thiab ua haujlwm infrared thermography txhawm rau txheeb xyuas qhov kub.
• Gas Quality Testing:Kev kuaj ib ntus thiab kev tshuaj xyuas ntawm SF6 roj rau cov ntsiab lus noo noo, cov khoom tawg, thiab purity kom ntseeg tau tias kev ua haujlwm zoo ntawm rwb thaiv tsev.

Rau lub neej ua haujlwm ntev, kev teeb tsa kom zoo thiab kev ua haujlwm los ntawm cov tuam txhab tsim hluav taws xob hluav taws xob tsim nyog yog qhov tseem ceeb raws li lub sijhawm saib xyuas. Peb pab neeg ua haujlwm engineering muab kev txhawb nqa tag nrho, kev pabcuam commissioning, thiab kev cob qhia neeg ua haujlwm.

Dab tsi yog qhov zoo ntawm cov roj insulated switchgear tshaj cua insulated switchgear?

Gas insulated switchgear muaj ntau yam zoo dua li huab cua insulated switchgear (AIS): kwv yees li 90% hneev taw txo qis, kev ntseeg tau zoo dua vim muaj kev tiv thaiv ib puag ncig, txhim kho kev nyab xeeb nrog cov ntaub thaiv hlau hauv av, txo cov kev xav tau zoo, arc zoo heev -quenching peev, thiab tsim nyog rau cov cheeb tsam hnyav xws li cov pa phem, ntub dej, thiab qhov chaw nyob hauv qhov chaw {{2} Kev lag luam tawm - tawm yog tus nqi pib ntau dua thiab kev saib xyuas ntau dua rau kev ua txhaum sab hauv.

Dab tsi voltage qib roj insulated switchgear txhawb?

Gas insulated switchgear muaj nyob thoob plaws ntau theem voltage: nruab nrab voltage (MV) GIS npog 12kV txog 40.5kV rau hauv nroog faib tes hauj lwm thiab kev siv; high voltage (HV) GIS npog 72.5kV rau 145kV rau kev sib kis kab sib txuas thiab kev sib txuas hluav taws xob loj; thiab ultra-high voltage (UHV) GIS rau kis tau tus mob substations. Cov kev ntsuas muaj xws li 12kV, 24kV, 33kV, 40.5kV, 72.5kV, 126kV, thiab 145kV nrog cov ntsuas tam sim no ntawm 630A txog 3150A.

Dab tsi yog qhov txawv ntawm AIS thiab GIS switchgear?

Qhov sib txawv tseem ceeb yog: GIS siv SF6 roj rau rwb thaiv tsev thaum AIS siv huab cua; GIS hneev taw yog kwv yees li 10% ntawm AIS; GIS raug kaw tag nrho thiab tiv thaiv los ntawm ib puag ncig yam tseem ceeb thaum AIS raug; GIS muaj kev tu ncua qis dua tab sis tus nqi pib dua; GIS yog qhov zoo tagnrho rau hauv nroog thiab thaj chaw txwv thaum AIS xav tau qhov chaw huv, dav. GIS tseem muaj kev cuam tshuam arc nrawm dua thiab muaj kev nyab xeeb zoo dua rau cov neeg ua haujlwm.

Puas yog SF6 gas insulated switchgear ib puag ncig tus phooj ywg?

Ib txwm siv SF6 roj muaj peev xwm ua kom lub ntiaj teb sov siab, uas yog kev txhawj xeeb ib puag ncig. Txawm li cas los xij, niaj hnub GIS systems raug kaw nrog kev soj ntsuam xyuas kom pom tseeb kom txo qis emissions. Cov neeg tsim khoom tab tom txhim kho eco-cov roj siv hluav taws xob zoo-cov hluav taws xob hluav taws xob siv hluav taws xob siv SF6- cov roj hluav taws xob tsis muaj hluav taws xob uas muab piv rau lub zog dielectric thiab arc-quenching kev ua tau zoo nrog kev cuam tshuam ib puag ncig qis dua. Cov kev soj ntsuam digital kuj tseem pab txo qis cov pa roj carbon monoxide tag nrho ntawm GIS cov haujlwm.

Cim npe nrov: Tuam Tshoj Gas Insulated Switchgear manufacturers, lwm tus neeg, Hoobkas