10 MVA Lub Zog Fais Fab Transformer-33/33 kV|South Africa 2025

Main Power Transformer Solutions rau Mining, Hydropower, thiab Renewable Energy

01 General

1.1 Project Description

Ua tsaug rau peb cov neeg siv khoom South Africa rau lawv txoj kev ntseeg txuas ntxiv. Tom qab thawj qhov kev txiav txim hauv 2019, lawv tau xaiv ib zaug ntxiv peb 10MVA 33/33kV lub ntsiab fais fab hloov pauv rau lawv qhov project mining substation. Qhov no 10000 kVA transformer yog siv nyob rau hauv lub substation ntawm lub tuam txhab mining. Vim qhov tsis ruaj tsis khov 33kV kab hluav taws xob ntawm lub zog hluav taws xob hauv zos, nws feem ntau dhia ntawm 26kV mus rau 40kV, yog li peb tsim qhov no 33kV mus rau 33kV, ± 8 × 2.5% (tag nrho ± 20%) ntau qhov kev tswj hluav taws xob dav dav ntawm -load kais - hloov pauv hloov pauv hloov pauv mus rau 3 qhov hluav taws xob ruaj khov.

Yog tias koj tab tom cuam tshuam nrog daim phiaj hluav taws xob tsis ruaj khov uas tshwm sim los ntawm daim phiaj qub, kev tsim kho tsis zoo, lub vojvoog loj loj lossis cov peev txheej tsis zoo ntawm daim phiaj. Ib qho sib npaug-voltage transformer, xws li 33/33kV, 22/22kV lossis 11/11kV qauv nrog qhov hloov pauv voltage ntawm ± 16% mus rau ± 20%, tej zaum yuav yog koj qhov kev daws teeb meem zoo tshaj plaws.

Sib npaug-voltage transformers feem ntau yog siv rau kev tswj hluav taws xob. Nws yog qhov zoo rau cov ntawv thov xws li kev ua haujlwm mining, ntev - kis tau tus mob ntawm cov chaw nres tsheb hydropower, roj thiab cov kav dej kav dej, hla- lub zog hluav taws xob hauv cheeb tsam, thiab kev sib txuas hluav taws xob txuas ntxiv dua tshiab, qhov kev siv hluav taws xob zoo yog qhov tseem ceeb.

1.2 Technical Specification

10MVA lub ntsiab fais fab transformer specification thiab cov ntaub ntawv ntawv

1.3 Cov duab kos

10MVA lub ntsiab fais fab transformer qhov ntev thiab cov ntsiab lus hnyav

02 Kev tsim khoom

2.1 Core

Lub hwj chim transformer core yog ib qho tseem ceeb nyob rau hauv lub hwj chim transformer, ua raws li ib tug sib nqus txoj kev los pab txhawb lub zog hloov ntawm cov thawj winding thiab lub thib ob winding. Qhov no 10MVA-33/33kV fais fab transformer tub ntxhais feem ntau yog tsim los ntawm high-zoo grain oriented silicon steel ntawv, tsis muaj-load poob ntawm tsuas yog 8.5 kW, txo lub zog poob ntawm qhov siab tshaj plaws sib nqus flux ceev.

2.2 Cua txias

Lub nruam disc winding yog ib hom Disc winding, uas yog qhov txhab nrog lub tiaj tus neeg xyuas pib thiab muaj ob peb lub pancake - zoo li tus coils. Nruam winding zam ntau cov pob qij txha thiab txhim kho qhov ntev - lub sij hawm stability ntawm lub transformer. High- cov ntaub ntawv zoo tooj liab winding tuaj yeem txo qhov poob ntawm qhov winding thiab txhim kho kev ua haujlwm ntawm transformer.

 

2.3 Tank

Lub tshuab hloov pauv tau nruab nrog lub tshuab ua kom txias ONAN, ua tiav los ntawm siab - cov roj ntxhia zoo thiab tsis muaj PCB, yog li ua kom muaj kev nyab xeeb thiab ua haujlwm zoo ib puag ncig. Txhawm rau txhim kho cov cua sov, plaub txheej ntawm phaj - hom radiators raug ntsia rau ntawm txhua sab ntawm lub tshuab hluav taws xob.

2.4 Kev sib dhos zaum kawg

1. Lub active feem ntawm lub transformer nyob rau hauv daim duab tau sib sau ua ke, thiab lub tester yog ua raws li niaj hnub kev ntsuam xyuas hluav taws xob kev ua tau zoo.

2. Lub active feem yog nqa mus rau hauv lub tank.

3. Nruab lwm qhov chaw: roj ntsuas kub, siab nyem valve, ntsuas roj theem, roj relay, breather, earthing terminal, davhlau ya nyob twg lub thawv, skid base (tsim rau slideway hom foundation lossis skid-mounted qauv).

4. Ncuav cov roj insulating rau hauv lub tank transformer kom puv qhov chaw sab hauv ntawm lub transformer thiab xyuas kom meej tias cov roj theem ua tau raws li qhov yuav tsum tau ua.

5. Vim yog thaj chaw loj nyob hauv lub tshuab hluav taws xob, nws yuav raug sib dhos ua ntej qhov kev sim thiab tom qab ntawd disassembled thiab ntim rau kev thauj mus los tom qab kuaj.

03 Kev Xeem

Routine Test thiab Test Standard

IEC 60076 -1-2011, Fais fab transformers - Ntu 1: General

IEC 60076 -3-2013 Fais fab Transformers-Tshooj 3: Rwb thaiv tsev theem, dielectric

kuaj thiab kev tshem tawm sab nraud hauv huab cua

IEC 60076-7-2018, Fais fab transformers- Ntu 7: Cov lus qhia thauj khoom rau pob zeb hauv av-roj-immersed fais fab transformers

1. Kev ntsuas cov roj yaj hauv cov kua dielectric los ntawm txhua qhov sib cais cov roj cais tshwj tsis yog diverter hloov chaw

2. Kev ntsuas qhov ntsuas qhov ntsuas hluav taws xob thiab kuaj xyuas cov theem hloov pauv

3. Kev ntsuas ntawm Winding Resistance

4. Kev ntsuas ntawm DC rwb thaiv tsev tsis kam ntawm txhua qhov cua rau lub ntiaj teb thiab nruab nrab ntawm qhov cua

5. Kev ntsuas ntawm Core Rwb thaiv tsev Resistance

6. Applied Voltage Test

7. Kev ntsuas tsis muaj-Load Poob thiab Current

8. Induced Voltage Test

9. Kev ntsuas luv- Circuit Court impedance thiab Load Poob

10. Kev Xeem Leak nrog Siab Rau Cov Kua Dej -Immersed Transformers

04 Packing thiab Shipping

05 Site thiab Summary

Vim li cas thiaj xaiv Equal -Voltage Transformers?

Peb txaus siab los muab Equal-voltage transformers rau peb cov neeg siv khoom hauv South Africa dua xyoo 2025. Sib npaug-voltage transformers yog qhov zoo tagnrho rau cov chaw mining tej thaj chaw deb uas qhov voltage fluctuations thiab ntev fais fab mov vojvoog muaj ntau. Siv sib npaug-voltage transformers tuaj yeem ua kom cov cuab yeej ua haujlwm ruaj khov thiab txo qis sijhawm. Kev xa hluav taws xob xa hluav taws xob, Roj & Gas Pipeline Projects, Kev Siv Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob, thiab ntau yam ntxiv kuj tsim nyog.

Scotech nqis peev nyiaj ntau hauv kev tshawb fawb txog kev hloov pauv thiab kev tsim kho txhua xyoo los txhim kho cov khoom lag luam, kev ua tau zoo thiab kev hloov pauv. Peb tuaj yeem kho ntau yam sib txawv transformers raws li koj xav tau.