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GEC ALSTHOM 47 MVA 33/10,5 kV

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Technical specifications

Quantity1 pce
BrandGEC Alsthom, France
Year of Manufacture1991
ConditionSecond Hand
ApplicationPower Transformer
Basic Transformer ConceptOil-immersed, conservator tank
Tank DesignRigid tank, detachable cooling radiators
Number of Phases3-phase
Rated Power47000 kVA
Method of CoolingONAN/ONAF – 68/100%
Voltage Ratio (prim./sec.)33000 / 10500 V
Primary Current822 A
Secondary Current2584 A
Voltage RegulationOn-load tap changer (OLTC)
Tapping Range+-10%, see table below for tapping range
Frequency50 Hz
ConnectionYNd11
Impedance12% at 47 MVA
Temperature Rise (oil/wind)50/55 K
StandardsC.E.I – V.D.E
Total Weight~52300 kg
Weight of Oil~12700 kg

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