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Technical specifications

Quantity1 pce
AvailablityAvailable from October 2013
BrandABB
Year of Manufacture1996
ConditionSecond Hand
ApplicationGenerator Step-up Transformers (GSU)
Basic Transformer Conceptoil-immersed, conservator tank
Tank DesignRigid tank, detachable cooling radiators
Number of Phases3-phase
Rated Power20100/31500 kVA
Method of CoolingONAN/ONAF
Voltage Ratio (prim./sec.)66000/11000 V
Current (prim.)175,8 A / 275,6 A (ONAN/ONAF)
Current (sec.)1055,0 A / 1653,3 A (ONAN/ONAF)
Voltage Regulationon-load tap changer (OLTC)
Tapping Range+-8×1,25%, see table below for tapping range
Frequency50 Hz
Insulatin ClassClass A
Temperature Rise (oil/wind)50/55 K
ConnectionYNd1
Total Weight~62000 kg
Weight of Oil~15000 kg

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When you see the BTB nameplate on a transformer, you know it meets our strict quality standards. Our distribution transformers are manufactured by SEM Transformatör, whose certified quality guarantees durability in demanding conditions.

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