S9/S10 Series Oil type Power transformer 1.Capacity:30KVA~2500KVA 2.Voltage:11KV, 20KV, 33KV 3.Frequency: 50/60H

11KV, 33KV S9/S10 Series Oil type  Power transformer

1. Application: both indoors and outdoors at an ambient temperature up to 400C.

2. Technical Parameters 1) Rated Capacity (KVA): 30-2500KVA 2) Vecor Group: Yyn0 or Dyn11 3) Impedance Voltage (%): 4%, 4.5%(Or as customer requirement) 4) Rated voltage: H. V: 20, 11, 10.5, 10, 6.3, 6KV (Or as customer requirement)                              L. V.: 0.4 KV (Or as customer requirement) 5) Tapping range: +/- 5% or +/- 2 * 2.5% (Or as customer requirement) 6) Frequency: 50/60HZ7) Number of phases: 3 8) Cooling method: ONAN or ONAF 3. 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.