Dab tsi yog qhov kev teeb tsa ntawm ZW7-40.5 sab nraum zoov lub tshuab nqus tsev vacuum Circuit Court breaker?

Hom kev piav qhia no qee zaum hu ua " kab rov tav" lossis " ntsug," feem ntau yog xa mus rau qhov kev taw qhia ntawm peb -theem arc-exting chambers nyob rau hauv lub enclosure.

1. Kab rov tav (kab rov tav) Kev npaj

Cov yam ntxwv ntawm tus qauv: Peb lub tshuab nqus tsev arc-exting chambers yog teem rau kab rov tav thiab sib npaug hauv ib lub thawv kaw. Qhov no yog cov qauv classic thiab feem ntau hauv ZW7 series.

Qhov zoo: Cov qauv ruaj khov, qhov chaw nruab nrab ntawm lub ntiajteb txawj nqus, zoo cua load thiab seismic tsis kam; yooj yim los xyuas kom meej theem - mus rau -phase rwb thaiv tsev deb; mature manufacturing txheej txheem.

Cov tsos mob: Lub Circuit Court breaker feem ntau yog kab rov tav oriented cylindrical lossis elliptical cylindrical enclosure.

2. Vertical (los yog "Center-Mounted," tab sis nco ntsoov qhov txawv) Kev Npaj

Cov yam ntxwv ntawm tus qauv: Peb lub tshuab nqus tsev arc-exting chambers tau teem caij ntsug lossis ntawm lub kaum sab xis. Cov qauv no tsis tshua muaj tshwm sim hauv 40.5kV voltage theem thiab ntau dua nyob rau hauv cov qib siab dua.

Lus Cim: Hais lus nruj me ntsis, qhov "center{0}}mounted" lub tswv yim ntawm ZW7, raws li tus ncej sab nraum zoov-mounted Circuit Court breaker, feem ntau siv nyob rau hauv tsev switchgear (xws li KYN28). Hauv cov khoom siv sab nraum zoov, lo lus "center-mounted" feem ntau yog hais txog kev khiav hauj lwm mechanism nyob rau hauv nruab nrab hauv qab lub arc-extinguishing chamber, tsim ib tug compact, ntsug layout, es tsis yog cov kab rov tav, elongated tank.

Qhov no yog ib qho tseem ceeb configuration xaiv cuam tshuam rau Circuit Court breaker muaj nuj nqi, installation, thiab txij nkawm.

Ua-hauv: Qhov no txhais tau tias tam sim no transformer yog kev koom ua ke hauv Circuit Court breaker lub cev, dhau los ua ib qho kev sib koom ua ke es tsis yog ib qho khoom siv sab nraud.

Cov qauv tshwj xeeb: Feem ntau, cov tub ntxhais toroidal (qhov kev nkag siab ntawm CT) ncaj qha rau ntawm lub plhaub insulating ntawm Circuit Court breaker's arc -extinguishing chamber (lub tshuab nqus tsev chamber), los yog muab tso rau hauv qab ntawm Circuit Court breaker bushing. Thawj tus neeg xyuas pib (siab-voltage conductor) dhau los ntawm qhov chaw ntawm lub toroidal core, ib txwm dhau los ua thawj sab ntawm CT. Secondary coil leads txuas nrog rau ib lub thawv tshwj xeeb hlws ris.

Qhov Tseem Ceeb Zoo

Tus tsim "tsim-hauv CT" sawv cev rau kev nce qib ntawm kev siv technology hauv siab -voltage switchgear xws li ZW7-40.5, muab ntau yam zoo:

1. Compact Structure, Qhov Chaw Txuag: Kev sib koom ua ke ntawm CT nyob rau hauv lub Circuit Court breaker lub cev tshem tawm qhov xav tau rau ib qho kev sib cais CT mounting bracket thiab txuag tau qhov chaw ntau, txo qhov kev hneev taw tag nrho ntawm lub switchgear. Qhov no yog tshwj xeeb tshaj yog haum rau qhov chaw-constrained compact substations thiab prefabricated substations (panel-hom substations).

2. Muaj Kev Ntseeg Siab, Kev Saib Xyuas -Free: Cov khoom tsim- nyob rau hauv CT nyob rau hauv ib lub thawv roj kaw uas muaj cov roj SF6 (ua haujlwm raws li rwb thaiv tsev thiab qhov nruab nrab ntawm kev tua hluav taws). SF6 gas muab cov rwb thaiv tsev zoo heev thiab cov dej noo- pov thawj, plua plav- pov thawj, thiab corrosion- ib puag ncig tiv thaiv, ua kom CT tsis cuam tshuam los ntawm cov huab cua sab nraud (xws li nag, daus, condensation, av, thiab ntsev tsuag). Qhov no ua rau muaj kev ruaj ntseg zoo heev thiab kev saib xyuas tseem ceeb- ua haujlwm pub dawb thoob plaws nws lub neej.

3. Superior Rwb thaiv tsev Performance: CT lub rwb thaiv tsev yog muab los ntawm SF6 roj nyob rau hauv lub Circuit Court breaker lub cev thiab siab - zoo epoxy resin thiab lwm yam khoom siv rwb thaiv tsev. Qhov no ua rau muaj zog rwb thaiv tsev siab thiab ruaj khov, tshem tawm cov rwb thaiv tsev laus thiab noo noo-txog teeb meem uas tuaj yeem tshwm sim nrog cov tsoos qhuav- hom lossis roj- raus CTs, yog li txhim kho kev nyab xeeb.

4. Kev ua tau zoo ntawm hluav taws xob: Vim yog cov qauv ruaj khov ntawm tus neeg xyuas pib (siab-}voltage sab), nws txoj hauj lwm txheeb ze rau CT yog qhov tseeb thiab tsis tu ncua, ua rau muaj kev cuam tshuam zoo ntawm electromagnetic cuam tshuam, lub kaum sab xis me thiab qhov sib txawv, thiab kev ntsuas siab dua thiab kev tiv thaiv kev ua haujlwm precision.

Qhov zoo tshaj plaws arc-kev tua thiab rwb thaiv tsev ntawm SF6 roj kuj tseem ua rau cov ua tau zoo- hauv CT los tiv thaiv cov yoj yoj yoj cuam tshuam uas tshwm sim thaum lub Circuit Court breaker cuam tshuam luv luv - Circuit Court tam sim no.

5. Tej yam yooj yim installation thiab siv sij hawm luv luv: Cov neeg siv tsuas yog yuav tsum tau nruab lub Circuit Court breaker lub cev thiab txuas cov thawj cable; tsis tas yuav cais nruab, kho, thiab txhim kho CT ywj pheej. Qhov no txo ​​qis heev ntawm - qhov chaw ua haujlwm ntawm qhov chaw teeb tsa, cov ntsiab lus txuas, thiab lub sijhawm ua haujlwm, txhim kho kev tsim kho kom zoo thiab txo nqi kev teeb tsa.

6. Tag Nrho Cov Txheej Txheem Zoo thiab Muaj Zog Ib puag ncig Adaptability: Lub zuag qhia tag nrho ntim tsim tso cai rau nws hloov mus rau qhov hnyav ib puag ncig xws li qhov kub thiab txias, tsis tshua muaj kub, qhov siab siab, siab humidity, ntug hiav txwv ntsev tsuag, thiab muaj kuab paug, nthuav cov khoom siv ntau yam.

"External" txhais tau hais tias tam sim no transformer (CT) tshwm sim raws li ib tug hluav taws xob ntaus ntawv kiag li ywj siab ntawm lub Circuit Court breaker.

Nws yog ntsia sab nraum lub Circuit Court breaker (los yog lwm yam khoom tseem ceeb, xws li disconnecting keyboards, transformer bushings), thiab kev cob cog rua nyob rau hauv series nrog thawj Circuit Court los ntawm conductors, busbars, los yog cables.

Nws muaj nws tus kheej lub tsev nyob (xws li epoxy resin casting, porcelain insulators, los yog SF6 gas rwb thaiv tsev), mounting bracket, terminal box, thiab nameplate. Qhov zoo:

1. Saj zawg zog configuration, yooj yim xaiv thiab hloov:

Kev xaiv ywj pheej: Cov qauv CT uas tsim nyog tshaj plaws thiab cov kev txwv tuaj yeem xaiv tau yooj yim raws li qhov tshwj xeeb Circuit Court ntsuas qhov tseeb, kev tiv thaiv winding hom, qhov tseeb txwv coefficient, muaj peev xwm, thiab lwm yam, yam tsis muaj kev txwv los ntawm Circuit Court breaker qauv.

Ib qho yooj yim hloov / hloov kho: Thaum lub kaw lus nthuav dav, cov txheej txheem tiv thaiv hloov pauv, lossis CT nws tus kheej tsis ua haujlwm, CT tuaj yeem hloov kho ib tus zuj zus yam tsis hloov lub cev hluav taws xob hluav taws xob kim, ua rau cov nqi tu qis thiab hloov tau yooj yim heev.

2. Kev saib xyuas yooj yim, calibration, thiab kev tuav tsis raug:

Intuitive visualization: Lub CT raug nthuav tawm sab nraud, ua rau nws tus mob (xws li, tsos, roj to, porcelain insulator puas) yooj yim los soj ntsuam.

Kev sim yooj yim: Kev xaim hluav taws xob thiab kev ua haujlwm yooj yim heev thaum ua cov kev ntsuas tiv thaiv (xws li kev tiv thaiv kev tiv thaiv, kev hloov pauv, volt-ampere yam ntxwv kuaj), yam tsis tas yuav tsum tau ua haujlwm nyuaj ntawm lub cev hluav taws xob.

3. Kev cais tawm tsis raug: Yog tias CT tsis ua haujlwm (xws li, sab hauv qhib Circuit Court, luv luv Circuit Court), nws qhov cuam tshuam feem ntau yog txwv rau nws tus kheej thiab yuav tsis ncaj qha cuam tshuam rau Circuit Court breaker chamber nws nyob hauv (tshwj xeeb tshaj yog SF6 Circuit Court breakers), uas ua rau muaj kev pheej hmoo ntawm kev saib xyuas tsis tshua muaj.

4. Cov cuab yeej technology, tus nqi pheej yig. Transparency: Sab nraud CTs tau ntev - tsim, cov khoom tsim qauv nrog cov txheej txheem tsim khoom loj thiab muaj kev sib tw ua lag luam. Lawv tus nqi pib yuav yog feem ntau qis dua li ntawm Circuit Court breakers nrog kev sib xyaw CTs.

Lawv cov kev ua tau zoo, cov lus qhia tshwj xeeb, thiab cov qauv ntsuas tau zoo heev hauv kev lag luam, muab cov neeg siv ntau yam kev xaiv.

5. Ntau qhov chaw teeb tsa thiab kev ua haujlwm muaj zog: Sab nraud CTs tuaj yeem hloov kho tau yooj yim nyob rau hauv ntau qhov chaw hauv qhov system raws li kev tiv thaiv ntau yam thiab kev ntsuas ntsuas. Piv txwv li:

Kab CTs: Nruab rau ntawm kab ntawm kab hluav taws xob tiv thaiv kab.

Bus CTs: Nruab rau ntawm busbar sab ntawm lub Circuit Court breaker rau kev tiv thaiv busbar.

Transformer Bushing CTs: Dedicated rau transformer tiv thaiv.

Qhov kev hloov pauv no tso cai rau ntau txoj kev tiv thaiv kev ruaj ntseg (xws li siv cov CT sib txawv rau kev tiv thaiv tseem ceeb, kev tiv thaiv thaub qab, thiab kev tiv thaiv sib txawv).

6. Yooj yim nthuav dav thiab Retrofitting: Hauv substation expansion lossis retrofitting tej yaam num, CTs sab nraud tuaj yeem muab ntxiv lossis hloov ntawm nws tus kheej ntawm cov kab hluav taws xob uas twb muaj lawm, ua rau kev siv tau yooj yim dua.

Hauv cov khoom tiag tiag, cov ntaub ntawv saum toj no feem ntau tshwm sim ua ke:

Daim ntawv tseem ceeb: Kab rov tav Layout + Ua - hauv CT. Qhov no yog cov qauv tam sim no hauv kev txawj ntse, kev sib xyaw tsim, tshwj xeeb tshaj yog tsim rau cov ntawv thov uas xav tau kev tiv thaiv kev siv hluav taws xob (xws li ncej-mounted keyboards hauv tis network automation).

Kev lag luam lossis Cov Ntawv Tshwj Xeeb: Kab rov tav Layout + Sab Nraud CT. Feem ntau pom hauv tus nqi- cov haujlwm tseem ceeb lossis cov haujlwm ib txwm muaj nrog cov kev daws teeb meem CT uas twb muaj lawm.

Cov lus pom zoo xaiv: Rau cov kab tshiab uas siv tau, muaj kev ntseeg siab, thiab txo qis ntawm -qhov chaw ua haujlwm, ua qhov tseem ceeb ntawm "tsim- hauv CT hom".

Rau cov peev nyiaj tsawg lossis cov kev cai tshwj xeeb CT, "sab nraud CT hom" tuaj yeem xaiv.

Hais txog cov lus piav qhia ntawm "kab rov tav" lossis "center-mounted", ib txwm xa mus rau cov qauv kos duab tshwj xeeb uas muab los ntawm cov chaw tsim khoom, ua tib zoo saib seb qhov ntev ntawm qhov kev teeb tsa thiab cov txheej txheem txuas tau raws li qhov xav tau ntawm qhov chaw.

Tsis tas li ntawd, ib qho tseem ceeb thiab kev hloov pauv ntawm ZW7-40.5 yog "nrog rau kev hloov pauv". Ib qho kev sib koom ua ke ntawm Circuit Court breaker (feem ntau hu ua "watchdog") integrates ib tug pom disconnector ntawm ib los yog ob sab ntawm lub Circuit Court breaker, muab kev saib xyuas kev sib cais thiab txhim khu kev ruaj ntseg.

Hauv cov ntsiab lus, cov ntsiab lus kev faib tawm no qhia txog cov yam ntxwv ntawm cov khoom lag luam tsim los ntawm ZW7-40.5 kom ua tau raws li kev xav tau ntawm engineering. Thaum xaiv lub Circuit Court breaker, cov kev cai tshwj xeeb ntawm qhov project hais txog kev teeb tsa, kev tiv thaiv kev ua haujlwm, kev siv nyiaj txiag, thiab kev saib xyuas tus cwj pwm yuav tsum raug txiav txim siab.

ZW7 -40.5 Sab nraum zoov lub tshuab nqus tsev Circuit Court breakeryog ib qho sab nraum zoov siab -voltage switchgear cov khoom siv nrog qhov ntsuas hluav taws xob ntawm 40.5 kV thiab peb theem AC520 (60) Hz.Nws tuaj yeem siv rau kev tawg thiab kaw tam sim no, overload tam sim no thiab luv luv tam sim no.

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