Cov ncauj lus kom ntxaws ntawm High Voltage Switchgear

High -voltage switchgears paub txog cov kws tshaj lij hluav taws xob feem ntau. High-voltage switchgears feem ntau yog siv rau cov phiajcim hluav taws xob uas muaj qhov hluav taws xob siab dua 1 kilovolt.Nws lav kev ua haujlwm ruaj khov hauv kev ua haujlwm raws li kev ua haujlwm ib txwm muaj, thaum ua kom muaj txiaj ntsig zoo tam sim no thiab kev sib cais hauv Circuit Court.

 

Tshwj xeeb tshaj yog, siab -voltage switchgears pab cov phiaj hluav taws xob ntau tshaj 1kV, nrog rau cov kev cai nruj rau kev ntseeg tau thiab kev nyab xeeb. Lawv feem ntau nruab nrog peb -theem disconnectors, Circuit Court breakers thiab lwm yam khoom siv los tswj thiab tiv thaiv siab -voltage circuits.Qhov tsab xov xwm no yuav piav qhia txog cov kev paub tseem ceeb ntawm high-voltage switchgears kom ntxaws.

 

Kev ua haujlwm ntawm High-Voltage Switchgear

High-voltage switchgear yog lub ntsiab lus dav dav rau hlau-cov khoom siv hloov pauv. Nws txhais tau hais tias muaj kev sib koom ua ke ntawm cov khoom siv hluav taws xob sib koom ua ke, qhov twg ntau yam khoom siv hluav taws xob tau teeb tsa thiab muab tso rau hauv ib lub tsev hlau kaw nyob rau hauv nruj raws li predefined circuit layouts.

 

Siv dav hauv cov tshuab hluav taws xob faib hluav taws xob, siab -voltage switchgear pab tau txais thiab faib hluav taws xob hluav taws xob. Ntawm ib sab, nws tuaj yeem tso ib feem ntawm cov khoom siv hluav taws xob lossis cov kab rau hauv lossis tsis ua haujlwm raws li kev ua haujlwm ntawm daim phiaj; ntawm qhov tod tes, thaum muaj kev txhaum tshwm sim hauv cov khoom siv hluav taws xob lossis cov kab, nws tuaj yeem cais qhov tsis raug ntawm kab hluav taws xob sai sai. Qhov no ua kom lub cev ua haujlwm ntawm qhov tsis raug-dawb ib feem ntawm daim phiaj, nrog rau kev nyab xeeb ntawm cov khoom siv thiab kev ua haujlwm thiab cov neeg ua haujlwm tu. Yog li ntawd, siab -voltage switchgear yog ib qho tseem ceeb ntawm cov khoom siv hluav taws xob, thiab nws txoj haujlwm ruaj ntseg thiab txhim khu kev qha yog qhov tseem ceeb rau tag nrho lub zog hluav taws xob.

 

Dav dav siv thoob plaws hauv lub network faib hluav taws xob, siab -voltage switchgear feem ntau yog lub luag haujlwm rau kev txais hluav taws xob thiab kev faib khoom. Nws tso cai rau cov tswv lag luam kom muaj zog los yog de- siv zog tshwj xeeb cov cuab yeej siv hluav taws xob thiab cov kab sib txuas lus teb rau cov kev xav tau ntawm kev ua haujlwm. Nyob rau hauv qhov kev tshwm sim ntawm hluav taws xob faults ntawm cov khoom siv los yog kab, nws muaj peev xwm sai cais cov faulty seem ntawm lub ntsiab daim phiaj.

 

Qhov no ua kom muaj kev ruaj ntseg ntawm cov kab hluav taws xob tsis cuam tshuam, thaum tiv thaiv cov chaw siv hluav taws xob thiab tiv thaiv kev nyab xeeb ntawm kev ua haujlwm thiab kev saib xyuas cov neeg ua haujlwm.Raws li ib qho tseem ceeb ntawm cov khoom siv hluav taws xob faib hluav taws xob, siab -voltage switchgear plays lub luag haujlwm tseem ceeb, thiab nws txoj haujlwm ruaj khov, txhim khu kev qha yog qhov tseem ceeb rau kev ruaj ntseg ntawm tag nrho lub zog hluav taws xob.

 

Kev faib tawm ntawm High-Voltage Switchgear

High-voltage switchgear tuaj yeem muab faib ua ntau hom raws li cov qauv sib txawv.

 

Los ntawm Hom Qauv:

Armored Hom: Txhua qhov chaw ua haujlwm hauv lub txee yog sib cais los ntawm cov phiaj xwm hauv av, uas muaj kev tiv thaiv qib siab thiab kev nyab xeeb.

 

Hom Lub Npe: Cov khoom sib cais yog cais los ntawm ib lossis ntau dua uas tsis yog -cov khoom siv hlau.

 

Hom Lub thawv: Nruab nrog ib qho kev kaw cov hlau kaw, tab sis muaj tsawg dua kev ywj pheej sab hauv compartments piv nrog armored thiab compartmental hom.

 

Los ntawm Circuit Breaker Installation Hom:

Pem teb - hom sawv ntsug:Tag nrho cov breaker trolley so ncaj qha rau hauv pem teb, thiab tuaj yeem raug thawb mus rau hauv lub txee lub cev tag nrho, ua kom yooj yim thiab yooj yim txij nkawm thiab ua haujlwm.

 

Nruab nrab -mounted Hom:Lub Circuit Court breaker trolley yog ruaj ntseg ntsia nyob rau hauv nruab nrab compartment ntawm lub switchgear. Dedicated trolleys yog yuav tsum tau rau lub loading, unloading thiab kev thauj mus los ntawm lub breaker unit. Qhov kev tsim no tam sim no yog qhov kev daws teeb meem loj rau sab hauv tsev siab -voltage switchgear daim ntawv thov.

 

Los ntawm Insulation Type:

Cua-Isulated Hlau-cuam tshuam Switchgear: Siv cov huab cua atmospheric ua lub ntsiab hauv nruab nrab insulating. Nws boasts mature technology, yooj yim txij nkawm thiab widest ntau yam ntawm daim ntawv thov scenarios.

 

SF₆ Gas-Insulated Hlau-Pab hauv Switchgear (Gas Insulated Txee): Txais sulfur hexafluoride (SF₆) gas ua ob qho tib si insulating thiab arc - tua nruab nrab. Nws nta compact txee loj, tsis tshua muaj ib puag ncig susceptibility thiab superior kev cia siab, thiab yog tsuas yog siv nyob rau hauv tshwj xeeb scenarios xws li txwv installation qhov chaw, high humidity ib puag ncig los yog lub sij hawm uas yuav tsum tau ultra- siab ua hauj lwm kev cia siab rau.

 

Structure Composition ntawm KYN High-Voltage Switchgear

Qhov kev hloov pauv no yog tsim los ntawm ob qhov tseem ceeb: lub txee ruaj khov lub cev thiab lub tshuab tshem tawm, feem ntau hu ua breaker trolley.

 

 

(1) Lub Cev Lub Cev

Lub kaw lus thiab cov khoom siv ntawm lub tshuab hloov pauv yog ua los ntawm txhuas-zinc coated steel daim hlau. Tag nrho cov txee nta siab raug precision, zoo heev corrosion thiab oxidation kuj, siab mechanical zog thiab zoo nkauj tsos. Lub switchgear txais kev sib sau ua ke fastened los ntawm rivet ceev thiab siab -lub zog bolts, ua kom zoo tag nrho qhov sib npaug ntawm qhov sib npaug.

 

Qhov chaw sab hauv ntawm lub tshuab hloov pauv tau muab faib los ntawm kev faib ua plaub qhov kev ywj pheej: kev sib tsoo trolley compartment, busbar compartment, cable compartment thiab relay instrument compartment, nrog rau txhua chav tsev muaj kev ntseeg siab hauv av.

 

A - Busbar Compartment

Lub busbar compartment yog teem nyob rau sab qaum teb ntawm lub switchgear, tsim kom haum rau peb -theem high voltage AC busbars, uas txuas mus rau taag tiv tauj los ntawm ceg busbars. Tag nrho cov busbars tau kaw tag nrho thiab lub tes tsho nrog insulating sheaths. Busbar bushings raug saws los txhawm rau txuas cov busbars ntawm txoj haujlwm uas lawv nkag mus rau hauv pawg txee. Nyob rau hauv cov ntaub ntawv ntawm ib tug sab hauv arc txhaum, qhov kev tsim qauv no zoo txwv tsis pub tshaj tawm mus rau cov khoom uas nyob ib sab thiab khaws cov qauv kev ncaj ncees ntawm cov busbars.

 

B - Breaker Trolley (Circuit Breaker) Chav

Cov kev taw qhia tshwj xeeb yog haum rau hauv qhov kev sib cais los txhawb kev zawv zawg zog thiab kev ua haujlwm ntawm lub voj voog hluav taws xob trolley. Lub trolley tuaj yeem taug kev ywj pheej ntawm txoj haujlwm ua haujlwm thiab qhov chaw sim.

 

Ib qho kev faib kaw rau kev sib txuas ruaj khov yog ntsia rau ntawm phab ntsa tom qab ntawm lub trolley compartment. Lub shutter qhib tau txais thaum lub trolley txav ntawm qhov chaw kuaj mus rau txoj haujlwm ua haujlwm. Thaum lub trolley rov qab mus rau qhov chaw sim, lub kaw lus kaw tag nrho thiab rov pib dua. Qhov kev cuam tshuam kev cuam tshuam no tau zoo zam kev sib cuag nrog cov khoom nyob, yog li tiv thaiv cov neeg ua haujlwm thiab ua kom muaj kev nyab xeeb ntawm kev ua haujlwm.

 

C - Cable Compartment

Lub cable compartment haum rau pab kiag li lawm xws li tam sim no transformers, earthing keyboards, surge arresters (overvoltage tiv thaiv pab kiag li lawm) thiab fais fab cables.A slotted, detachable txhuas phaj yog haum rau hauv qab compartment, ho yooj yim rau ntawm - chaw installation thiab thaiv kev khiav hauj lwm.

 

 

D - Relay thiab Instrument Compartment

Lub vaj huam sib luag pem hauv ntej ntawm lub relay compartment yog haum nrog microcomputer tiv thaiv cov cuab yeej, kev khiav hauj lwm tuav, ntsuas ntsuas, thiab teeb pom kev xwm txheej (lossis cov xwm txheej qhia). Cov chav sab hauv haum rau lub davhlau ya nyob twg thaiv, DC hloov pauv thiab ua haujlwm DC cov khoom siv hluav taws xob rau microcomputer tiv thaiv Circuit Court, nrog rau cov hloov hluav taws xob rau DC / AC lub zog cia lub cev muaj zog. Nws tseem khaws qhov chaw rau cov khoom siv thib ob uas tau teeb tsa kom tau raws li cov kev cai tshwj xeeb.

 

Cov cuab yeej qhia nyob

Cov cuab yeej no suav nrog ob chav tseem ceeb: lub ntsuas hluav taws xob siab thiab lub ntsuas ntsuas nyob. Nws muaj peev xwm qhia tau hais tias lub xeev nyob ntawm high voltage circuits thiab ua tiav yuam interlocking nyob rau hauv kev sib koom tes nrog lub electromagnetic xauv. Cov txheej txheem no tiv thaiv lub ntiaj teb hloov los ntawm kev kaw thaum lub voj voog muaj zog thiab zam kev tsis sib haum xeeb ntawm cov neeg ua haujlwm rau cov khoom nyob hauv, ua kom muaj peev xwm tiv thaiv kev ua haujlwm tsis zoo ntawm tag nrho cov hloov pauv hloov.

 

Anti-Condensation thiab Anti-Corrosion Measures

Txhawm rau tshem tawm cov teeb meem kev nyab xeeb uas tshwm sim los ntawm condensation nyob rau hauv siab - av noo thiab huab cua hloov pauv hloov pauv, cov cua sov ywj siab tau nruab rau hauv ob qho tib si lub tshuab hluav taws xob thiab cov kab hluav taws xob. Qhov no ua kom ntseeg tau thiab ruaj ntseg cov cuab yeej ua haujlwm nyob rau hauv hnyav ambient tej yam kev mob thiab zoo tiv thaiv txee corrosion.