Dab tsi yog Qhov Tseem Ceeb Txhim Kho Kev Tiv Thaiv rau 63 kVA Roj -immersed Transformers?

Raws liGNEE, cov chaw tsim khoom tseem ceeb ntawm cov khoom siv hluav taws xob muaj zog, peb lees paub tias lub tshuab hloov pauv xyoo kaum xyoo - lub neej ua haujlwm ntev hinges ntawm ob tug ncej:precision manufacturingthiabflawless installation. Rau ib63 kVA roj-immersed transformerdestined rau txoj hauj lwm nyob deb nroog lossis kev lag luam, kev ua raws li kev ceev faj txog kev teeb tsa tsis yog - sib tham.

 

Phau ntawv qhia no muab kev qhia dav dav, kauj ruam -los ntawm- kauj ruam ua haujlwm kom ntseeg tau tias koj lub installation ua tiav qhov kawg ntawm kev nyab xeeb, kev ntseeg siab, thiab kev ua haujlwm tau zoo.

 

Kev ceev faj hauv paus: Ua ntej- Kev Npaj Kev Txhim Kho thiab Kev Ntsuas Qhov Chaw

 

Kev vam meej pib pib ntev ua ntej lub transformer tuaj txog ntawm qhov chaw. Kev npaj nruj me ntsis txo cov kev pheej hmoo feem ntau.

 

1. Kev Ntsuam Xyuas Qhov Chaw Zoo & Kev Npaj:

• Terrain thiab Drainage:Xaiv qhov av siab, ruaj khov kom tsis txhob muaj dej nyab. Xyuas kom zoo zoo ntuj tso tawm ntawm lub hauv paus. Rau pad mounts, tsim ib pob phab ntsa uas muaj 110% ntawm tag nrho cov roj ntim.
• Regulatory Clearances:Ua raws li lub teb chaws nruj me ntsis (xws li, NEC, IEC) thiab cov cai tswj kev siv hluav taws xob hauv zos. Ua kom muaj kev nyab xeeb yam tsawg kawg nkaus ntawm phab ntsa, laj kab, lwm yam khoom siv hluav taws xob, thiab cov kab nyiaj siv ua haujlwm kom tso cai rau cov cua sov dissipation, arc flash kev nyab xeeb, thiab kev saib xyuas.
• Kev Siv Tau rau Hnyav Loads:Xyuas kom tseeb tias kev nkag mus rau txoj kev, txuas hniav, thiab qhov chaw nkag tuaj yeem txhawb nqa qhov hnyav thiab qhov ntev ntawm lub tshuab hloov pauv ntawm lub tsheb thauj khoom thiab cov crane mobile. Npaj lub crane positioning thiab nqa txoj kev.

 

2. Kev tshuaj xyuas cov ntaub ntawv thiab kev nyab xeeb raws tu qauv:

• Daim Ntawv Tso Cai Tau Txais:Khaws txhua daim ntawv tso cai pej xeem, hluav taws xob, thiab ib puag ncig tsim nyog ua ntej pib ua haujlwm.
• Txoj Haujlwm Kev Nyab Xeeb Kev Nyab Xeeb (JSA):Ua raws li JSA rau tag nrho cov txheej txheem kev teeb tsa, txheeb xyuas cov teeb meem xws li cov kab nyiaj siv ua haujlwm, kev tuav tes, thiab hluav taws xob poob siab.
• Pab neeg luv luv:Xyuas kom txhua tus neeg ua haujlwm tsim nyog, qhia luv luv ntawm O&M phau ntawv hloov pauv, thiab nruab nrog PPE tsim nyog- suav nrog qhov ntsuas hluav taws xob- cov hnab looj tes, arc-flash suits, insulating lev, thiab cov kaus mom tawv.

 

Tseem ceeb tuav thiab tau txais kev soj ntsuam ceev faj

 

Thaum lub sij hawm lub transformer tuaj txog, ib qho kev tshuaj ntsuam xyuas tiv thaiv kev ua tsis tiav yav tom ntej.

 

1. Cov Txheej Txheem Tau Txais Paub meej:

 

Cov ntaub ntawv pov thawj:Tam sim ntawd hla-xyuas cov khoom xa tuaj rau ntawm daim ntawv ntim khoom. Hauv particular, xyuas covFactory Test Reports(rau cov kev ntsuam xyuas niaj hnub xws li kev tiv thaiv, qhov sib piv, thiab dielectric checks) yog tam sim no thiab siv tau.

 

Kev tshuaj xyuas lub cev rau kev puas tsuaj:Ua ib qho kev soj ntsuam sib koom nrog cov neeg nqa khoom logistics. Nrhiav:

• Kev puas tsuaj rau lub cev (cov dents ntawm lub tank, tshem tawm radiators).
• Kev ncaj ncees ntawm bushings thiab porcelain insulators (kav tawg, chips).
• Cov cim qhia ntawm cov roj to ntawm gaskets los yog welds.
• Kev thaiv kom zoo thiab bracing hauv lub thawv xa khoom.

 

Critical Component Check:Paub meej tias txoj hauj lwm ntawm qhov tawm ntawm -Circuit kais changer, cov roj theem nyob rau hauv lub conservator (compensating rau kub), thiab tag nrho cov shipping braces / plugs raug txheeb xyuas rau tom qab tshem tawm.

 

2. Cov txheej txheem nqa kev nyab xeeb thiab tso chaw:

• Kev siv tshwj xeeb ntawm Cov Lug Tsim: Nqa lub tshuab hluav taws xob siv tsuas yog cov ntawv pov thawj nqa nqa ua ke rau hauv lub tank qauv.Tsis txhob nqa los ntawm bushings, conservator kav, los yog radiator fins.
• Balanced Rigging Technique: Use a spreader beam with certified wire rope slings to maintain a lift angle >60 degree, tiv thaiv cov kab rov tav ntau dhau ntawm cov lugs.
• Tswj Qhov Chaw Kawg:Maj mam txo cov chav nyob rau hauv lub hauv paus npaj. Siv steel rollers lossis hydraulic jacks rau qhov chaw zoo -Tsis txhob rub lossis hla lub transformer, raws li qhov no tuaj yeem tawg welds thiab cov khoom sab hauv.

 

Core Mechanical and Electrical Installation Precautions

 

Cov theem no yuav tsum tau precision thiab nruj raws li kev kos duab kos duab.

 

1. Mechanical Securing thiab Grounding:

 

Anchoring rau Foundation:Siv high - tensile foundation bolts ntawm qib uas tau teev tseg. Tighten sequentially thiab uniformly rau lub torque teev nyob rau hauv phau ntawv kom tsis txhob distorting lub tank puag. Nruab vibration isolators yog tias tau teev tseg.

 

Qhov Tsis yog -Ngotiable Grounding System:Nov yog lub neej tseem ceeb -kev nyab xeeb.

Txuas lub transformer lub ntsiab grounding tus thawj coj (nyob rau hauv lub tank) mus rau lub site av grid siv ib tug tooj liab conductor nrog ib tug ntoo khaub lig-section ib IEEE 80 los yog hauv zos code (piv txwv li, Ntau tshaj los yog sib npaug zos rau 70 mm²).

Rau Dyn11 vector pawg, sib koom ua ke hauv LV nruab nrab taw tes. Xyuas kom txoj hauv av tsis tu ncua, nrog kev sib txuas bolted huv thiab tiv thaiv.

 

Auxiliary Component Installation:Nruab lub tshuab ua pa, Buchholz relay, thiab ntsuas kub raws li phau ntawv qhia. Xyuas kom tseeb tias silica gel nyob rau hauv lub tshuab ua pa yog xiav (qhuav) thiab cov kav dej xa hluav taws xob muaj qhov nqes me ntsis mus rau tus neeg saib xyuas.

 

2. High-Cov txheej txheem kev sib txuas hluav taws xob:

• Absolute De-energization & Lockout/Tagout (LOTO):Ua ntej kev sib txuas, cais thiab LOTO tag nrho cov khoom xa tuaj thiab tawm. Ua pov thawj de-energization nrog lub ntsuas hluav taws xob ntsuas ntsuas ntawm txhua theem.
• Kev npaj thiab kev sib txuas ntawm Bushing:Ntxuav bushing nto nrog isopropyl cawv. Thov cov chaw tsim tshuaj paus- pom zoo oxide- inhibiting compound rau aluminium- rau -aluminium interfaces. Torque txuas bolts mus rau qhov tseebNewton -meter tus nqitau teev tseg - dhau- torquing tawg plooj (porcelain), hauv qab - torquing ua rau kub kub.
• Txoj kev zoo tshaj plaws rau kev tshem tawm cable:Siv qhov loj me kom raug, compression- hom cable lugs. Txhawb cov khoom xa tuaj / tawm kom tshem tawm cov kev ntxhov siab ntawm cov bushings. Xyuas kom muaj theem txaus- mus rau-theem thiab theem- mus rau- av clearances yog khaws cia rau ib chav kawm voltage.

 

Thaum kawg Ua Ntej-Kev Tshawb Fawb Kev Tshawb Fawb thiab Kev Ntsuam Xyuas Kev Ceeb Toom

 

Energizing lub transformer yam tsis muaj cov tshev no yog qhov txaus ntshai heev.

 

1. Kev Ua Ntej Ua Ntej-Pib Daim Ntawv Teev Npe:

• Insulating Oil Quality Assurance:Kos ib qho qauv roj los ntawm lub hauv qab ntws valve. Kuaj covDielectric tawg Voltage (BDV). Ib qho tshwm simqis dua 30kVfeem ntau qhia tias muaj kev puas tsuaj rau cov dej nkag, xav kom pom lossis hloov roj ua ntej energization.
• Thaum kawg Internal & External Inspection:Tshem tag nrho cov khoom siv hauv av ib ntus, xa cov hlua khi, thiab cov khoom ntim khoom. Xyuas kom tseeb tias tag nrho cov gasketed npog muaj kev ruaj ntseg. Paub meej tias lub zais zis zais zis (yog tias tam sim no) ua haujlwm thiab cov roj qib yog qhov tseeb rau qhov ntsuas kub.
• Kev tiv thaiv Circuit Validation:Ntsuam xyuas cov xaim thiab kev ua haujlwm ntawm txhua qhov kev tiv thaiv Circuit Court (Buchholz tswb / mus ncig, Winding Temperature Indicator, Pressure Relief Device) los ntawm kev txhaj tshuaj ntsuam xyuas kom paub tseeb tias lawv raug teeb tsa lub tswb hauv chav tswj.

 

2. Tswj Initial Energization Sequence:

• First Energization – Tsis muaj -Load Test:Fais fab transformer rau ntawm lubthawj sab nkaus xwb, nrog rau sab thib ob qhib -circuited. Siv atransformer tiv thaiv relay(tsis yog Circuit Court breaker) rau thawj qhov hloov pauv no -on.
• Tam sim no Sensory Monitoring:Thawj 30 feeb, cov neeg ua haujlwm (ntawm qhov chaw nyab xeeb) yuav tsum mloog qhov txawv txav ntawm sab hauv (cracking), gurgling (cua), los yog khaus humming (xws li qhov chaw). Siv lub ntsuas kub infrared los ntsuas cov bushings thiab kev sib txuas rau cov cua sov tsis sib xws.
• Gradual Load Application:Tom qab 24 teev ntawm kev ua tiav tsis muaj- kev ua haujlwm thauj khoom, thov thauj khoom hauv cov kauj ruam nce ntxiv (25%, 50%, 75%, 100%) ntau dua li ob peb teev, saib xyuas qhov kub thiab txias ntawm txhua theem.

 

Tseem ceeb Ntev -Lub Sijhawm Ua Haujlwm thiab Kev Ceeb Toom Txog Kev Nyab Xeeb

• Fire Risk Mitigation:Ua kom pom tseeb, tsis yog - thaj chaw tawg nyob ib puag ncig ntawm lub tshuab hloov pauv. Nruab Class C (hluav taws xob) tua hluav taws nyob rau hauv 10 meters. Rau kev teeb tsa sab hauv tsev, xyuas kom muaj hluav taws raug cai- ntsuas phab ntsa thiab qhov cua.
• Environmental thiab Wildlife Protection:Nruab cov npog tiv thaiv ntawm bushings kom tiv thaiv noog / squirrel ntaus. Siv cov cuab yeej tiv thaiv tsiaj qus rau ntawm ncej mounts. Hauv thaj chaw ntug dej hiav txwv, qhia kom meej thiab tuav cov tshuaj tiv thaiv tshwj xeeb -corrosion txheej.
• Oil Spill Response Npaj:Muaj cov khoom siv roj nchuav rau ntawm qhov chaw thiab cov txheej txheem kom muaj thiab qhia txog kev xau. Xyuas kom txhua tus neeg ua haujlwm hauv chaw paub txog nws.
• Cov ntaub ntawv nruj heev-Kev khaws cia:Khaws atransformer logbooktxij hnub ib, sau tag nrho cov txiaj ntsig kev xeem, kev tshuaj ntsuam roj, kev thauj mus los, thiab txhua yam tsis zoo. Qhov no yog qhov tseem ceeb rau kev lav validation thiab kwv yees txij nkawm.

 

Xaus

Lub sij hawm ntev - kev ntseeg siab thiab kev nyab xeeb ntawm koj cov khoom siv hluav taws xob faib khoom yog tsim ncaj qha thaum lub sijhawm teeb tsa. Ua tib zoo ua raws li cov noKev ceev faj rau kev teeb tsa tseem ceeb rau koj cov roj 63 kVA -immersed transformeryog lub tswv yim zoo tshaj plaws los tiv thaiv kev puas tsuaj loj, ua kom cov neeg ua haujlwm nyab xeeb, thiab tiv thaiv koj cov peev txheej.

Tau txais ib nqe lus

 

Rau kev txhim kho seamless thiab ua raws, siv GNEE cov kws tshaj lij los ntawm lub Hoobkas mus rau lub hauv paus. Peb pab neeg pab txhawb nqa yog npaj los pab.Hu rau GNEE hnub no rau qhov project- kev sib tham tshwj xeeb thiab nkag mus rau peb cov lus qhia ntxaws txog kev teeb tsa.

 

GNEE 63 kVA Transformer: Kev teeb tsa -Critical Parameters & Specifications

Parameter	Specification
Rated Peev Xwm	63kv ua
Qhov hnyav tag nrho (qhuav / Oiled)	~ 580kg / ~ 780kg
Qhov Loj (LxWxH)	eg, 1600x1100x1800 mm
Roj Hom & Ntim	Mineral Roj, ~ 280 Litres
Thawj Voltage	11kV los yog 33kV
Secondary Voltage	433V (3 theem)
Vector Group	Dyn 11
Impedance (Uk%)	4% (Tshwj xeeb)
Lub Hwj Chim Qib	Tsawg dua lossis sib npaug li 55 dB(A)
Lifting Lug Rating	SWB 1000 kg (min)
Grounding Boss	Ob x M12 Studs
Bushing Torque Tus nqi	HV: 50 Nm, LV: 35 Nm (Piv txwv)
Txuj kev ua raws cai	IEC 60076: Ua