Three Phase oil-immersed Power Distribution Transformers
S9-M Series power transformer
10KV Grade S9 Transformer
Functional characteristics

Rated Capacity (KVA): 10~63000 KVA
Connection: Dyn11, Yyn0, yd11, Ynd11(Or as customer requirement)
Impedance Voltage (%): 4%, 4.5% (Or as customer requirement)
Rated voltage:
H. V.: 6, 6.3, 10 KV (Or as customer requirement)
L. V.: 6, 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

The height above the sea level is below 1000m;

Ambient temperature:
Highest air temperature +40 degree;
Highest daily average air temperature+30 degree;
Highest annual average air temperature +20 degree
Lowest outdoor air temperature -25 degree