Product Details

Fully sealed distribution transformer is applicable to 10kV / 0.4kV, 50Hz distribution and transformation system, and widely used in various residential, commercial buildings, public facilities, industrial and mining enterprises, power generation enterprises and urban and rural power grids The product conforms to GB1094 power transformer standard.

Product Model

Executive  Standard

GB 1094 Power transformers
GB/T15164 Load guide for oil immersed power transformers
GB/T6451 Technical parameters and requirements of three phase oil immersed power transformer
GB 2536 Transformer oil
GB 311.1 Nsulation coordination of high voltage transmission and transformation equipment
JB/T 501 Power transformer test guide
GB10237 Insulation level of power transformer and air gap of external insulation in insulation test
DL/T572 Transformer operation regulations

Use Condition

Maximum ambient temperature: + 40 ℃ .
Minimum ambient temperature: - 25 ℃ .
Altitude: < 1000m.
Maximum monthly average temperature: 90% (20 ℃ ).
Installation location: it is installed in the place, indoor and 
outdoor without fire, explosion, serious pollution, chemical 
corrosion and severe vibration.

Technical Specifications

Voltage level: 10kV, 6kV
Tapping range: ± 2 x2.5%, ± 5%
Connection group: Yyn0, Dyn11
Capacity range: S11-M type 30 ～ 3150kVA 
S13-M type 30 ～ 3150kVA 
Insulation level: 6kV L60 AC25, 10kV L75 AC35
Voltage regulation mode: no excitation voltage regulation

Technical Parameter

Technical data of S11-M 10kV three-phase full seal non excitation voltage regulating distribution transformer

Note: 1. For transformers with rated capacity of 500 kVA and below, the load loss above the inclined line in the table is applicable to Dyn11 connection 
group, and the load loss below the inclined line is applicable to Yyn0 connection group. 
2.It can be customized according to the needs of users.