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S11 S13 Electric Power Distribution Transformer

Supplier From China
Jan-29-21

1. The low-voltage winding is of cylindrical or spiral structure, with high mechanical strength and good short-circuit resistance.
2. The corrugated oil tank is adopted to replace� the oil conservator. The oil tank cover and the oil tank are all-welded along the edge or fastened with bolts, thus prolonging the service life of the transformer oil.
3. After oil removal, embroidery removal, and phosphating treatment, the product is sprayed with three times of primer and one time of finish paint inside and outside. The product is salt fog proof, damp heatproof, and fungus� proof, which can meet the special requirements of metallurgy, petrochemical system, and wet and polluted areas. It is beautiful� and reliable.
4. The transformer oil tank is� fully sealed, and� equipped with� pressure reducing valve, signal thermometer, gas relay, etc according to the standard requirements to ensure the safe operation of the transformer.
5. This series of products are beautiful in appearance, small in size, and can reduce the installation area. It is an ideal maintenance-free distribution product.

Price and Minimum Quantity

Price: $5000
MOQ: Not Specified

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++++Standard Features

1 Product Range:15kVA-10000kVA, up to 44kV
2 System voltage: max. 36 kVA 200 BIL
3 Coolers: corrugated wall or radiator
4 Oil preservation: hermetically sealed or conservator/free breathing
5 Tap changer: off-circuit or on-load
6 Cooling medium: mineral oil, Midel
7 Steel type core clamping system
8 High voltage (HV) multilayer winding
9 Low voltage (LV) foil winding or layer winding
10 Winding materials aluminium or copper
11 temperature class transformers
12 Low noise solution
13 Efficient transformers with reduced losses
14 Liquid-filled
15Used in special conditions
16Sophisticated facilities
17 Usage of wooden case
18 3D package for drawings
19 Special test like Zero Sequence Impendence test
20 Cooling: ONAN, ONAN/ONAF, KFAF, KFW

++++Service condition
a) Suitable for indoor or outdoor application
b)Air temperature: Maximum temperature: +40¡æ; Minimum temperature:-30¡æ
c) Humidity: Monthly average humidity 95%; Daily average humidity 90% .
d) Altitude above sea level: Maximum installation altitude: 2000m.
e)Max wind speed:35M/s
f) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
g) No frequent violent shake


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S11 Series 6kV-35kV power Transformer With Off Circuit Tap Changer,power oill transformer,high voltage step up transformer,distribution transformer
The products implement the National Standard GB1094-2013 Power Transformer and GB / T6451-2015 Three-phase Oil-immersed Power Transformer Technical Parameters and Requirements, and are recommended as the major equipment products for the national urban and rural power grid construction and retrofit by the State Economic and Trade Commission.
Product Description
The products implement the National Standard GB1094-2013 Power Transformer and GB / T6451-2015 Three-phase Oil-immersed Power Transformer Technical Parameters and Requirements, and are recommended as the major equipment products for the national urban and rural power grid construction and retrofit by the State Economic and Trade Commission.
S11 series transformer adopts high quality material for copper winding, especially applying the new technology and new material for the coil insulation and active parts, thus the no-load and the load loss are obviously reduced, the performance and structure are more reliable and superior.

Product Features
 Good Economic Performance
The no-load loss for S11 series products decreased 10.3% averagely, no-load current decreased 22.4% based on S9 series.
Long Service Life
Transformer tank adopts hermetical structure, tank and tank cover can be connected by bolts or welded firmly, the transformer oil wont contact with air, so that extend the service life effectively.
High Operation Reliability
Improve the relevant sealing parts for the tank, increase the reliability and advance the technical level to ensure the reliability of the seal.
Small Installation Area
S11-M series transformer tank uses the corrugated plate radiator. When the oil temperature changes, the corrugated plate will proceed thermal expansion, which can replace the role of the oil conservator. the corrugated plate tank has beautiful appearance, less occupied area.

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