1000kVA roj-immersed transformer: Puas yog qhov kub thiab txias txoj kev yuav tsum tau hloov thaum hloov los ntawm cov roj ntxhia mus rau cov roj uas tsis yog- cov roj ntxhia?
May 13, 2026
Tso lus
Raws li tus thawj cojroj-tswj transformer chaw tsim tshuaj pausnrog rau ntau tshaj kaum xyoo ntawm kev txawj ntse hauv kev tsim thiab muab siab - kev faib tawm thiab lub zog hloov hluav taws xob thoob ntiaj teb, GNEE nkag siab tias cov tshuab hluav taws xob niaj hnub xav tau yooj yim.
Ib lo lus nug peb nquag tau txais los ntawm engineers thiab procurement specialists yog: thaum hloov ib1000kVA roj-immersed transformer los ntawm cov ntxhia insulating roj mus rau ib qho uas tsis yog - lwm yam minerals - xws li ntuj esters (FR3), hluavtaws esters, los yog silicone roj- ua covkub nceparameter thiabtxoj kev ua kom txiasxav tau kev hloov kho?
Cov lus teb luv luv yogyog.
Cov lus qhia dav dav no piav qhia tias yog vim li cas, yuav ua li cas rau IEC thiab GB cov cai tswj hwm, thiab GNEE muab cov kev daws teeb meem zoo li cas uas tau lees tias muaj kev nyab xeeb, ua raws, thiab kev ua haujlwm zoo ntawm transformer tsis hais txog cov dej insulating uas koj xaiv.
Kub nce thiab txias hauv 1000kVA Roj-Immersed Transformer
Qhov kub nce siab txhais li cas rau 1000kVA kua-Filled Unit
Qhov kub thiab txias yog hais txog qhov sib txawv ntawm qhov sib txawv ntawm qhov sib txawv ntawm cov khoom siv hluav taws xob sab hauv (winding, top oil, iron core) thiab cov huab cua puag ncig thaum ua haujlwm ntawm cov khoom ntsuas. Qhov kev ntsuas no yog qhov tseem ceeb ntsuas kev ntsuas thermal ntawm cov ntaub ntawv rwb thaiv tsev.
Rau 1000kVA roj-immersed transformer, kub nce ncaj qha cuam tshuam:
- Rwb thaiv tsev lifespan-txhua 8-10℃saum toj no rated nce txiav rwb thaiv tsev lub neej nyob rau hauv ib nrab
- Load peev- kub nce siab txhais tau hais tias qis dua cov npoo
- Kev ua raws li kev nyab xeeb-tag nrho IEC 60076 thiab GB 1094.2 yuav tsum tau ua raws li qhov yuav tsum tau ua
Yog vim li cas hloov los ntawm Mineral Oil mus rau Tsis yog -Mineral Oil Matters
Mineral oil has been the industry standard for over a century due to its excellent dielectric properties and low cost. However, demand for alternatives has surged dramatically. Natural esters (vegetable-based oils) offer complete biodegradability and >300℃hluav taws kub ntsiab lus; silicone roj ua tau zoo nyob rau hauv huab cua sov - ib puag ncig. Tab sis txhua cov kua dej muaj lub cev tshwj xeeb uas cuam tshuam li cas nws dissipates cua sov hauv 1000kVA transformer system.
GNEE Hoobkas ntau lawm kab -1000kVA roj-immersed transformer
IEC 60076-2 thiab GB 1094.2 Cov Qauv: Puas Yog Lawv Yuav Tsum Muaj Cov Kev Cai Sib Txawv Ntawm Cov Roj Tsis Muaj Dej?
Standard Framework rau Kua-Immersed Transformers
Ob leegIEC 60076-2: Cov(International Benchmark) thiabGB 1094.2-2013(Tuam Tshoj lub teb chaws sib npaug) siv rau tag nrho cov kua -immersed transformer, tsis hais seb cov kua yog ntxhia roj los yog tsis yog - lwm yam minerals.
Cov ntaub ntawv no qhia meej tias:
- Txias txoj kev faib cov lej(NWS, ONAF, KNAN, KNAF, thiab lwm yam)
- Kub nce txwv qhov tseem ceebrau txawv transformer Cheebtsam
- Cov txheej txheem kuajrau hom kev xeem thiab niaj hnub Hoobkas validation
Dab tsi cov qauv hais: Tib yam txwv, txawv daim ntawv thov
Standard -mandated kub nce txwv rau a1000kVA roj-immersed transformerNws txawv nyob ntawm qhov txias configuration, tsis yog kua hom. Raws li IEC 60076-2, kev tso cai nce yog:
| Transformer Cheebtsam | Qhov ntsuas kub nce siab (K) | Siv tau txias |
|---|---|---|
| Cov Roj | Tsawg dua lossis sib npaug li 60 K | Txhua qhov system |
| Nruab Nrab Winding | Tsawg dua lossis sib npaug li 65 K | Tsis yog - coj cov roj ntws |
| Nruab Nrab Winding | Tsawg dua lossis sib npaug li 70 K | Qhia yuam kom txias |
| Winding Kub Spot | Tsawg dua lossis sib npaug li 78 K | Txhua qhov system |
Cov ntaub ntawv siv: IEC 60076-2 specifications
Qhov kev pom tseem ceeb yog tias cov kev txwv no sawv cev qhov siab tshaj plaws qhov sib txawv ntawm qhov kub thiab txias siab tshaj ambient (40℃siv). Txawm li cas los xij, seb aTom ntej: 1000kVA transformerib txwm ua haujlwm nyob rau hauv cov npoo tib yam yog nyob ntawm cov kua dej tshwj xeeb thermal yam ntxwv. Yog vim li caskub nceyuav tsum tau rov- soj ntsuam thaum muaj kev hloov pauv dej.
Mineral Oil vs Natural Ester (FR3) vs Silicone Roj
Comparative Fluid Properties Table
| Khoom | Mineral Roj | Ntuj Ester (FR3®) | Silicone Roj |
|---|---|---|---|
| Viscosity (40 degree, cSt) | ~8–12 | ~30–40 | ~20–50 |
| Thermal conductivity (W / m · K) | ~0.13 | ~0.14–0.16 | ~0.15 |
| Lub peev xwm kub tshwj xeeb (kJ / kg·K) | ~1.9 | ~2.0–2.1 | ~1.5 |
| Flash Point (degree) | ~140–160 | 320–330 (K- chav kawm) | >300 |
| Hluav taws kub Point (degree) | ~160–180 | 350–360 | ~370 |
| Pour Point (degree) | -40 rau 30 | -10 rau -25 | -60 |
| Biodegradability | Tsawg | Biodegradable (>90%) | txwv |
Cov ntaub ntawv pov thawj: Ntuj ester khoom los ntawm ASTM D6871 standardFR3 specifications
Vim li cas Cov Qhov Sib Txawv no tseem ceeb rau qhov kub thiab txias
Thawj qhov tshwm sim ntawm kev hloov cov kua dej hauv a1000kVA roj-immersed transformeryog viscosity thiab thermal khoom variation:
- Siab viscosity(natural esters, qee cov roj silicone) tsim kom muaj kev tiv thaiv ntau dua los ntawm cov cua ntsawj ntshab, uas tuaj yeem txo cov nqi hluav taws xob.
- Txawv tshwj xeeb kub muaj peev xwmcuam tshuam ntau npaum li cas lub zog txhua lub kua tuaj yeem nqus tau ua ntej kub nce
- Ncuav pointtxiav txim siab txias- pib ua haujlwm- tseem ceeb rau kev teeb tsa sab nraum zoov nyob rau sab qaum teb huab cua
KNAN vs. ONAN rau Non-Mineral Oil
Nkag siab txog Kev Cai Txias Txias Cov Cai
IEC cov lej cua txias siv ob - lossis plaub - tsab ntawv sau npe uas qhia koj raws nraim li cas lub tshuab hloov pauv txias:
- Thawj tsab ntawv- coolant hauv tank:O= ntxhia roj,K= tsis yog- cov dej ntxhia uas muaj ntau dua lossis sib npaug li 300℃hluav taws kub
- Tsab ntawv thib ob- ncig mechanism nyob rau hauv lub tank:N= natural convection,F= yuam
- Peb tsab ntawv- qhov nruab nrab cua txias sab nraud:A= cua,W= dej
- Tsab ntawv plaub- kev ncig sab nraud:N= ntuj cua txias,F= yuam cua (kiv cua)
Yog li, ib qho ntxhia - roj chav tsev nrog ntuj convection thiab ntuj cua txias yog cov caiONAN. Tib yamTom ntej: 1000kVA transformerpuv nrog FR3 ntuj ester uaKNAN, xav txog cov "K" chav kawm (tsawg-flammable) kua.
Puas Hloov Cov Dej Txias Txias Txias Txias Qhov Sib Txawv?
Lub hauv paus ntsiab lus ntawm lub cev yog ncaj nraim:Cov txheej txheem cua txias yuav xav tau kev hloov kho kom tswj tau qhov kub thiab txias ua rawsthaum hloov los ntawm cov roj ntxhia mus rau cov tsis muaj - cov roj ntxhia. Vim tias tsis yog - cov roj ntxhia feem ntau muaj cov viscosity siab dua thiab cov cwj pwm sib txawv ntawm cov cua sov sib txawv, cov khoom siv hluav taws xob tuaj yeem ua haujlwm tsawg dua.
Hauv qhov no, cov kev xaiv muaj xws li:
- Khaws KNAN(natural convection) tab sis siv cov radiators loj los them rau kev txo qis
- Hloov kho rau KNAF-ntxiv cov kiv cua sab nraud kom nce cua sov- pauv tus nqi
- Hloov kho lub tank tsimkom optimize cov roj ntws hauv txoj hauv kev
Technical Parameter Snapshot-1000kVA Roj-Immersed Transformer Configuration
| Parameter | Mineral Oil Xaiv (ONAN / ONAF) | Tsis yog Mineral Oil Option (KNAN/KNAF) |
|---|---|---|
| Insulating kua | Mineral Roj (piv txwv li, Plhaub Diala) | FR3 Ntuj Ester / Silicone Roj |
| Txoj kev txias | ONAN (natural) lossis ONAF (kiv cua) | KNAN (natural) los yog KNAF (kiv cua) |
| Kub nce * | Sab saum toj Roj Tsawg dua lossis sib npaug rau 60K, Winding Tsawg dua lossis sib npaug rau 65K | Tib qhov kev txwv IEC - tau txheeb xyuas los ntawm kev ua kom sov |
| Thawj Voltage | 2.4–34.5 kV | Ib yam |
| Secondary Voltage | 480/277V, 400/230V, 380/220V | Ib yam |
| Ntau zaus | 50/60 Hz | Ib yam |
| Vector Group | Dyn11, Yyn0, Dyn5 | Ib yam |
| Cov khoom siv winding | Tooj los yog Aluminium | Ib yam |
| BIL | 30-95 kV | Ib yam |
| Luj (Oil) | ~ 700 kg | ~ 700–750 kg (kua-dependent) |
| Qhov hnyav tag nrho | 3,750 Kg | Tej zaum yuav txawv me ntsis nrog lub tank tsim |
Cov ntaub ntawv siv: NPC Electric 1000kVA transformer specification
Nco tseg:Covkub nceCov kev txwv yog tib yam raws li IEC 60076-2, tab sis qhov ntev ntawm lub tshuab hluav taws xob thiab cov kiv cua yuav txawv ntawm ONAN thiab KNAN tsim los xyuas kom meej ua raws.
Xaus: Cia siab rau GNEE kom ua kom zoo dua koj cov roj 1000kVA -Immersed Transformer rau txhua qhov dej rwb thaiv tsev
Thaum hloov los ntawm cov roj ntxhia mus rau cov tsis yog - cov roj ntxhia hauv a1000kVA roj-immersed transformer, kub nceparameter thiabtxoj kev ua kom txiasyuav tsum tau ua tib zoo rov ntsuam xyuas dua. Cov txheej txheem thoob ntiaj teb (IEC 60076-2, GB 1094.2) tau teeb tsa tib qhov siab tshaj qhov kub nce txwv tsis hais cov kua dej, tab sis cov khoom sib txawv ntawm lub cev -tshwj xeeb yog cov viscosity thiab thermal conductivity-xav kom muaj peev xwm hloov kho cua txias, ntsuas qhov ntsuas hluav taws xob, thiab ntsuas qhov ntsuas kub ua haujlwm.
GNEE npaj txhij los pab koj taug txoj kev hloov pauv no nrog kev ntseeg siab. Txawm koj xav tau ib tug tshiabTom ntej: 1000kVA KNAN transformerlos ntawm hauv av los yog cov kws tshaj lij kev taw qhia txog kev rov tsim kho koj lub tsev ONAN uas twb muaj lawm, peb pab pawg engineering muab kev txhawb nqa kawg nkaus: thermal simulation, kev txheeb xyuas cov khoom siv sib xws, kev kuaj xyuas lub Hoobkas, thiab kev xa khoom thoob ntiaj teb.
Npaj los txhim kho koj 1000kVA transformer rau cov roj uas tsis yog ntxhia? Hu rau GNEE hnub no rau cov kev daws teeb meem kho kom haum-thov koj qhov kev tsocai thiab kev sib tham tam sim no!
Dab tsi yog qhov txawv ntawm cov roj ntxhia thiab cov roj transformer?
Siab dua flash point thiab qhov hluav taws kub. FR3 kua muaj qhov taw tes ntawm 330 ° C thiab qhov hluav taws kub ntawm 360 ° C, thaum cov roj ntxhia muaj qhov taw tes ntawm 155 ° C thiab qhov hluav taws kub ntawm 165 ° C. Cov lej siab dua no txhais tau hais tias lub tshuab hloov hluav taws xob muaj qhov pheej hmoo ntawm hluav taws xob nrog FR3 kua.
Ob hom roj transformer yog dab tsi?
Muaj ob hom roj transformer tseem ceeb siv niaj hnub no:Paraffin-raws li transformer roj thiab naphtha-raws li transformer roj. Cov ntxhia insulating roj yog muab los ntawm cov crudes tshwj xeeb, uas muaj xws li tsis tshua muaj n-paraffin hu ua wax.
Vim li cas lawv muab cov roj ntxhia hauv cov khoom siv hluav taws xob?
Transformer roj cov haujlwm tseem ceeb yoginsulate thiab txias lub transformer. Yog li ntawd nws yuav tsum muaj lub zog dielectric siab, thermal conductivity, thiab tshuaj lom neeg ruaj khov, thiab yuav tsum khaws cov khoom no thaum tuav ntawm qhov kub thiab txias rau lub sijhawm ntev.
Hom roj twg yog siv rau transformers?
Mineral roj
Mineral rojyog hom roj transformer feem ntau siv. Nws yog muab los ntawm refining crude roj thiab yog dav nyiam vim nws cov nqi -effectiveness thiab zoo heev insulating zog. Cov roj ntxhia tau muab faib ua ob pawg: naphthenic thiab paraffinic.
Muaj pes tsawg amps yog 1000 kVA transformer?
Ib qho 1000 kVA transformer feem ntau yog siv rau hauv cov txheej txheem ntawm kev hloov cov kab siab -voltage fais fab mov mus rau qhov qis -voltage fais fab mov kab. Nws siv kilovolt-amperes ua cov ntsuas ntsuas rau lub tshuab hluav taws xob pom tseeb (kVA). Nws muaj peev xwm tiv taus qhov hluav taws xob ntawm 120 thiabib 8333.
Dab tsi yog tag nrho cov khoom tam sim no ntawm 1000 kVA transformer?
~1392A
Rau 1000 kVA transformer ntawm 415V, tag nrho load tam sim no yog~1392A, nrog 75% load ntawm 1044A. Siv txoj cai ntawm tus ntiv tes xoo: I ≈ kVA × 1.4 rau kev kwv yees ceev (1400A). Kev suav raug tseeb kom tswj tau lub zog zoo.
Xa kev nug