Distribution Transformer 11KV

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'.