Power Transformer

GB1094    Power transformer
GB/T6451 Technical data & requirement of three-phase oil immersed power transformer
IEC60076  Power transformer

Functional characteristics
Rated Capacity (KVA): 630~40000 KVA
Vecor Group: Dyn11, YNd11(Or as customer requirement)
Impedance Voltage (%): 6%, 7%, 8%, 10%(Or as customer requirement)
Rated voltage: H. V.: 66, 38.5, 33, 20 KV (Or as customer requirement)
L. V.: 11,10, 6, 04 KV (Or as customer requirement)
Tapping range: +/- 5% or +/- 2 * 2.5% (Or as customer requirement)
Frequency: 50Hz
Number of phases: 3
Cooling method: ONAN or ONFN
Temperature rise limits: Winding d 65K
Top oil d 60K
Standards:

The products of this series feature low loss, low noise, low local discharge, low temperature rise, the core-suspension free performance and no leakage.

Oil-Immersed Transformer can serve outdoors at an ambient temperature up to 50 degree