A pad mounted transformer roj tankyog ntau tshaj li lub thawv welded rau insulating kua. Nws tsim cov txheej txheem nruab nrab ntawm lub tshuab hloov pauv, txhawb nqa qhov chaw ua haujlwm, qhov chaw txias, bushings, keyboards, fuses thiab lub davhlau ya nyob twg compartments thaum tseem kaw lub sijhawm ntev - lub sijhawm ua haujlwm sab nraum zoov.
Qhov no yog vim li caskev cai transformer roj tank manufacturing rau ncoo -mounted substationsyuav tsum pib nrog cov ntaub ntawv pov thawj engineering. Lub tank tsim rau 500 kVA radial- pub transformer tsis tuaj yeem siv rau lub voj voog 2,500 kVA - pub tsev. Peev xwm, voltage, transformer poob, nyob rau hauv lub siab, accessory npaj thiab site tej yam kev mob tag nrho cov cuam tshuam cov qauv tiav.
Tus neeg tsim khoom tsim nyog tank yuav tsum tswj kev tsim khoom, qhov tseeb qhov tseeb, kev tiv thaiv kev xau thiab txheej txheej zoo. Txawm li cas los xij, cov chaw tsim hluav taws xob hloov hluav taws xob yuav tsum tuav lub luag haujlwm rau kev tsim hluav taws xob, kev suav cov thermal thiab ua tiav -transformer kev ua tau zoo.
1. Txhais qhov Transformer Rating thiab Pad-Mounted Layout
Tus tsim ntawm apeb-phase ncoo-mounted transformer tankpib nrog lub transformer specification es tsis yog tus qauv tank loj. Tus fabricator xav tau lub peev xwm ntsuas, thawj thiab theem nrab voltage, zaus, txias txoj kev, insulating kua thiab npaj installation ib puag ncig.
IEEE C57.12.34-2022 npog qee qhov sib xyaw ua ke-hom, tus kheej-txias, peb-theem ncoo-mounted faib transformers ntsuas txog 10 MVA. Nws muaj xws li nominal high-voltage systems mus txog 34.5 kV thiab low-voltage systems mus txog 15 kV. Cov kev qhia txog kev siv hluav taws xob tus kheej tuaj yeem ntxiv cov kev xav tau ntxiv.
Tus neeg yuav khoom yuav tsum tau lees paub radial- pub lossis voj- pub kev tsim kho, tuag- pem hauv ntej lossis nyob - kev sib txuas pem hauv ntej, thiab cov roj ntxhia lossis lwm cov kua insulating. Cov kev xaiv no cuam tshuam rau qhov layout ntawm lubncoo-mounted faib transformer roj tank, cable compartments thiab kev khiav hauj lwm accessories.
2. Txias lub Tank Drawing thiab HV/LV Compartment Interfaces
A kev cai ncoo -mounted transformer tankyuav tsum haum rau qhov chaw nquag thiab siab - thiab qis -voltage compartments yam tsis muaj drilling, txiav los yog vuam thaum lub sij hawm zaum kawg.
Ua ntej pib tsim khoom, daim duab pom zoo yuav tsum txheeb xyuas:
- Tag nrho cov tank qhov ntev
- Core-thiab-coil txhawb txoj haujlwm
- HV thiab LV bushing qhib
- Fuse thiab thauj khoom- rhuav tshem qhov hloov pauv
- Siab- nyem thiab sau cov kev sib txuas
- Tshem tawm, sampling thiab grounding cov ntsiab lus
- Lifting lugs thiab jacking khoom
- Base channels thiab compartment mounting cov ntsiab lus
Zuag qhia tag nrho ntev thiab dav tsis txaus. Lub bushing qhib txav los ntawm ob peb millimeters tuaj yeem cuam tshuam nrog cov cables, thaiv lossis hloov cov txheej txheem. Vim li no,ncoo-mounted transformer tank qhov ntev thiab qhov cuam tshuamyuav tsum tau kuaj xyuas qhov kos npe kos duab kho dua ua ntej lub tank nkag mus rau txheej txheej.
3. Xaiv cov khoom siv rau lub kaw lus sab nraum zoov lub tank
Feem ntau American-style ncoo-mounted transformers siv asealed transformer roj tankuas haum rau kev hloov pauv ntawm cov roj ntim los ntawm qhov chaw tsim hluav taws xob los yog lub zog siab. Cov qauv yuav tsum tiv taus cov roj hnyav, lub siab sab hauv, nqa cov khoom thauj thiab kev thauj mus los tsis muaj deformation.
Cov pa roj carbon- steel phaj tuab feem ntau poob li ntawm 3-6 hli rau ntau qhov kev faib tawm -transformer tso tsheb hlau luam, txawm hais tias qhov no yuav tsum tsis txhob raug kho raws li qhov xav tau thoob ntiaj teb. Tank loj, ntim kua, tsis muaj kev txhawb nqa vaj huam sib luag dav thiab lifting kev npaj yuav tsum tau thicker phaj los yog ntxiv stiffeners.
Cov kaum sab xis, cov kab hauv qab, nqa cov ntsiab lus thiab cov khoom sib txuas sib txuas tsim nyog tau txais kev saib xyuas tshwj xeeb vim tias cov kev ntxhov siab hauv zos muaj siab rau cov cheeb tsam no. Cov ntaub ntawv qib, phaj thickness, tso cai rau siab thiab cov khoom siv ntxiv yuav tsum ua raws li tus neeg yuav khoom tau pom zoo suav thiab kos duab.
4. Tsim Cov Cuab Yeej Cuab Yeej thiab Roj -Expansion Capacity
Cov chaw tsim khoom siv hluav taws xob yuav tsum muab tag nrho cov kev poob, tso cai qhov kub thiab txias, ambient tej yam kev mob thiab cua txias. Covroj tank rau lub ncoo -mounted transformerTom qab ntawd tuaj yeem tsim nrog cov txheej txheem corrugated, cua txias fins lossis radiator interfaces.
Mineral transformer roj muaj ib tug volumetric expansion coefficient ntawm roughly 0.0007 ib℃Celsius. Kev hloov pauv kub ntawm 60℃tuaj yeem tsim cov roj- hloov pauv ntawm kwv yees li 4%. Tus nqi tiag tiag nyob ntawm cov roj formulation thiab kev khiav hauj lwm ntau.
Qhov kev nthuav dav no yuav tsum tau txiav txim siab thaum txiav txim siab qib filling, qhov chaw roj av thiab tso cai lub tank siab. Cov chaw txias txias kuj xav tau kev tshem tawm txaus los ntawm cov kab txuas, nqa cov ntsiab lus thiab cov chaw tu. Lub tank fabricator yuav tsum tsim cov qauv cua txias uas pom zoo es tsis yog nws tus kheej txiav txim siab qhov hloov pauv qhov xav tau cua sov- thaj chaw dissipation.
5. Tswj vuam zoo thiab qhov ntev
ntseeg tauncoo-mounted transformer tank fabricationnyob ntawm welding sequence ntau npaum li weld tsos. Ntev, tsis tswj cov welds tuaj yeem cuam tshuam rau sab vaj huam sib luag, rub lub npog flange tawm ntawm kev sib dhos lossis hloov lub davhlau ya nyob twg-compartment interfaces.
Cov txheej txheem kev tswj xyuas ib txwm muaj xws li kev txiav txim siab, kev sib dhos ua ke, tack vuam, sib npaug vuam thiab kev soj ntsuam qhov ntev ntawm cov theem loj. Robotic welding tuaj yeem txhim kho qhov sib xws ntawm cov seams rov ua dua, thaum tsim nyog phau ntawv welder tseem tsim nyog rau cov fab, flanges thiab cov khoom siv sib txuas.
Muaj kev paubncoo-mounted transformer roj tank chaw tsim tshuaj pausyuav tsum tshuaj xyuas lub tank squareness, lub hauv paus flatness, qhib txoj hauj lwm thiab lifting -point spacing. Kev sim ua kom haum rau lub davhlau ya nyob twg- cov qauv txheej txheem ua ntej txheej tuaj yeem nthuav tawm cov teeb meem cuam tshuam thaum kho tseem siv tau.
6. Ua qhov kev ntsuam xyuas dej ua ntej txheej txheej
Txhuasealed ncoo -mounted transformer tankyuav tsum tau soj ntsuam cov dej xau ua ntej sandblasting thiab pleev xim. Lub tank tsis tiav yog pressurized raws li lub siab thiab tuav lub sij hawm teev los ntawm lub transformer chaw tsim tshuaj paus. Cov tshuaj xab npum yog ces siv rau weld seams, flanges thiab accessory txuas.
Pom pom npuas tsim qhia tias to. Qhov cuam tshuam weld yuav tsum tau kho, ntxuav thiab sim dua ua ntej pib txheej txheem. Kev ntsuam xyuas lub tank tsis pleev xim tiv thaiv cov txheej tiav los ntawm kev puas tsuaj thaum lub sij hawm kho cov vuam.
Ib qho tiavncoo-mounted transformer tank leak-cov ntaub ntawv kuajyuav tsum txheeb xyuas lub tank serial tooj, xeem siab, tuav lub sij hawm, tshwm sim thiab inspector. Kev ua huab cua- kev ntsuas qhov ntsuas siab ntawm 100% ntawm cov tso tsheb hlau luam tsim muaj cov ntaub ntawv pov thawj zoo dua li kev cia siab tsuas yog kev tshuaj xyuas qhov muag pom.
7. Muab cov txheej txheem txheej rau qhov chaw nruab
Pad-mounted transformers yog ntsia sab nraum zoov hauv kev tsim kho vaj tse, chaw ua si, chaw ua lag luam, hnub ci ua liaj ua teb thiab roj teeb-zog- cov haujlwm khaws cia. Lub tank txheej yuav tsum tiv taus nag, ultraviolet raug, av noo, ntsev thiab txhua yam kev puas tsuaj.
IEEE C57.12.28-2023 hais txog kev ruaj ntseg ntawm cov ntaub ntawv saum toj no- cov khoom siv qib pad-mounted uas muaj cov cuab yeej siv hluav taws xob siab tshaj 600 V. Rau cov haujlwm thoob ntiaj teb, ISO 12944-2 tuaj yeem pab cais cov huab cua corrosivity.
Specification rau acorrosion-resistant ncoo-mounted transformer roj tankyuav tsum tau txhais qhov kev npaj nto, primer, intermediate coat, topcoat, qhuav -film thickness, xim thiab soj ntsuam txoj kev. Nyob ntawm ib puag ncig, tag nrho qhuav - zaj duab xis thickness yuav nyob ntawm kwv yees li 120 txog 240 μm. Cov ntug dej hiav txwv thiab siab - cov av noo ib txwm xav tau kev tiv thaiv kom muaj zog dua li cov khoom siv hauv av qhuav.
8. Txheeb xyuas, cov ntaub ntawv, ntim thiab xa khoom
Ua ntej xaiv ancoo-mounted transformer tank tsum, cov neeg yuav khoom yuav tsum sib piv qhov ua tiav qhov zoo dua li cov khoom tsim - steel nqi ib leeg. Kev tshuaj xyuas zaum kawg yuav tsum npog qhov ntev, qhov zoo li vuam, xau- cov txiaj ntsig kuaj, txheej tuab, cov khoom siv txuas ntxiv thiab kev nqa nqa.
Cov ntaub ntawv pov thawj tuaj yeem suav nrog cov ntawv pov thawj cov ntaub ntawv, cov ntawv qhia qhov ntev, cov ntaub ntawv xau, cov ntawv qhia txheej thiab cov npe ntim. Lub sij hawm tsim khoom yuav tsum pib tom qab kos duab thiab cov kev cai tsim nyog tau txais kev pom zoo. Tus qauv kev cai tank yuav nkag mus rau ntau lawm los ntawm kwv yees li yim hnub, thaum prototypes, complex qauv thiab loj batch yuav tsum tau ntau lub sij hawm.
Export packing yuav tsum tiv thaiv coated nto, flanges, qhov rooj thiab cua txias panels thaum lub sij hawm thauj mus los hauv hiav txwv thiab freight. Cov khoom siv xoob xoob yuav tsum raug txheeb xyuas kom meej thiab sib phim rau cov npe ntim khoom.
Nantong Zhihe Electric yog ibkev cai transformer roj tank chaw tsim tshuaj paus nyob rau hauv Suav teb, tsim cov duab kos-raws li tanks nrog cov neeg hlau thiab tsim nyog phau ntawv vuam, kev tshuaj xyuas qhov ntev, C3-C5 txheej txheej xaiv thiab 100% kev kuaj xau. Xa koj qhov kev pom zoo tank kos duab, ntsuas qhov ntsuas hluav taws xob, qhov xav tau kom muaj nuj nqis thiab qhov chaw nres nkoj qhov chaw rau kev tsim khoom thiab xa khoom xyuas.
