Khoom Description
Qhov no 20 MVA, 66/11 kV roj-immersed fais fab transformer yog ntsuas ntawm 20, 000 kVA thiab nruab nrog ONAN / ONAF txias. Nws thawj voltage yog adjustable nyob rau hauv ± 10% kais ntau yam (OLTC) ntawm 66 kV thiab lub thib ob voltage yog 11 kV nyob rau hauv YNd11 configuration. Nws siv cov thev naus laus zis siab, cov ntaub ntawv zoo thiab kev ntseeg siab zoo dua. Txhua chav yuav raug kuaj nruj. Peb cov kev pabcuam suav nrog kev sab laj, hais lus, tsim khoom, teeb tsa, commissioning, kev cob qhia thiab kev txhawb nqa tom qab muag, muab kev daws teeb meem ib zaug. Nrog rau kev ua haujlwm nyob rau hauv ntau tshaj 20 lub teb chaws, peb yog koj tus neeg muag khoom ntseeg siab thiab tus khub!
Daim ntawv qhia txog kev qhia txog 20MVA 66/11KV Roj Immersed Fais Fab Transformer
Dab tsi yog qhov ua haujlwm ntawm cov tshuaj ntsiav hauv cov roj hauv ncoo ntawm lub hwj chim transformer?
- Kev Tiv Thaiv Roj Zoo:
- Tswj Roj Expansion thiab Contraction
- Absorbing thiab neutralizing cov khoom muaj teeb meem:
- Txhim kho kev ua haujlwm ntawm rwb thaiv tsev
- Tiv thaiv roj degradation
Dab tsi yog qhov ua rau tsis ua haujlwm ntawm cov roj-immersed transformer kais changer?
Kev sib xyaw ua ke ntawm cov khoom siv hluav taws xob, hluav taws xob thiab cov teeb meem roj, feem ntau ua rau hnyav dua los ntawm kev saib xyuas tsis raug lossis ib puag ncig, tuaj yeem ua rau cov roj-immersed transformer kais-changers ua tsis tiav. Kev tshuaj xyuas tsis tu ncua, kev ua haujlwm kom raug nyob rau hauv cov qauv tsim, thiab kev saib xyuas roj yog qhov tseem ceeb los ua kom ntseeg tau tias kev lag luam kais hloov pauv tau zoo.
Dab tsi yog vim li cas rau kev ua kom cov roj tiv thaiv ntawm cov roj-immersed transformers?
Overheating thiab Faults:
- Overheating vim overload
- Internal Shorts los yog Arcing
Roj Decomposition:
- Thermal Decomposition
- Hluav taws xob decomposition
Gas Accumulation thiab Siab Rise:
- Faulty Gas Relay lossis Sensor
- Sab nraud Factors
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