Product description
Oil filled transfomer, oil transformer, Transformer, power transformer, distribution transformer, oil filled transformer, oil transformer, electricity transformer, electrical transformer, electric transformer, three phase transformer, step up transformer, step down transformer
Oil-Immersed Transformer can serve both indoors and outdoors at an ambient temperature up to 400C. With reasonable structure, they are capable to withstand short-circuit and overload, and they are free of maintenance and easy to repair.
Functional characteristics
Technical Parameters
Rated Capacity (kVA): 10~6300 kVA
Vecor Group: Yyn0 or Dyn11
Impedance Voltage (%): 4%, 4.5%(Or as customer requirement)
Rated voltage: H. V: 11, 10.5, 10, 6.3, 6KV (Or as customer requirement)
L. V.: 0.4 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 ≤ 65K
Top oil ≤ 60K
Standards: GB1094 Power transformer
GB/T6451 Technical data & requirement of three-phase oil immersed power transformer
IEC60076 Power transformer
Service conditions
Normal service conditions:
1) Altitude: ≤ 1, 000m
2) Highest ambient temperature: +40
3) Highest annual average temperature: +20
4) Indoor and outdoor
5) Highest daily average temperature: +30
6) Lowest temperature: -25
7) We can also provide transformers operated in special conditions according to users'.