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Strömberg 30 MVA 110/21/10,5 kV

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Technical specifications

Quantity1 pce
BrandStrömberg
Type DesignationKTRT123X30
Year of Manufacture1971
ConditionUsed, refurbished 1999
ApplicationPower Transformer
Basic Transformer ConceptOil-immersed, conservator tank
Tank DesignRigid tank, detachable cooling radiators
Number of Phases3-phase
Rated Power30 000 kVA
Method of CoolingOFAF
Voltage Ratio (prim./sec.)110 000 / 21 000 V as YNyn0 connected
Voltage Ratio (prim./sec.)110 000 / 10 500 V as YNd11 connected
Voltage RegulationOn-load tap changer (OLTC)
Tapping Range Primary110 kV +-8 x 2,5% /21 kV or 10,5 kV
Frequency50 Hz
Temperature Rise60/65K
ConnectionYNyn0/YNd11
Transport Weight inc. oil~ 58 400 kg

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