S9-M 10KV Oil Type High Voltage Transformer
S9-M 10kv oil immersed distribution transformers are widely used for power supply & distribution in industrial and civil occasions, to step down grid voltage (11, 10.5, 10, 6.3, 6KV) to line voltage 400, which can serve both indoors and outdoors at an ambient temperature range -25℃ to 40℃. With reasonable structure design, the transformers are qualified to withstand short-circuit and overload, and are free of maintenance and easy to repair.
The transformers have S9 and advanced S11 series, the S11 is more recommended for less loss of both load and no-load.
Product standard: IEC60076 & GB1094 and GB/T6451
Rated Capacity (KVA): 10~2500 KVA
Vector Group: Yyn0 or Dyn11
Impedance Voltage (%): 4%, 4.5%
Rated voltage: H. V: 11, 10.5, 10, 6.3, 6KV (or customized)
L. V.: 0.4, 0.69KV (or customized)
Tapping range: +/- 5% or +/- 2 * 2.5% (or customized)
Number of phases: 3
Cooling method: ONAN
Temperature rise limits: Winding ≤ 65K, Top oil ≤ 60K
Standards: IEC60076 Power transformer, GB1094 Power transformer, GB/T6451 Technical
data & requirement of three-phase oil immersed power transformer
Altitude: ≤1, 000m
Highest ambient temperature: +40℃
Highest annual average temperature: +20℃
Highest monthly average temperature: +30℃
Lowest temperature: -25℃
Indoor and outdoor
|Type||Voltage combination and tapping range(kV)||Connection
|HV||High voltage tapping rang||LV|
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