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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: CHNA
  • Model Number: S9 10~20MVA
  • Usage: Power
  • Phase: Three
  • Coil Structure: Toroidal
  • Coil Number: Three phase duplex winding
  • High Voltage: 6\6.3\6.6\10\10.5\11\13.8\15KV
  • Low Voltage:: 0.4\0.44\0.69kV
  • Standards:: GB1094 IEC60076

Packaging & Delivery

Packaging Details Wooden Case or according to Customer's demand
Delivery Time 10 days or depend on the quantity you order


1.IEC60076 power transformer distribution transformer
2 Type and voltage can be customized
3 Three years of guarantee period

The three-phase oil-immersed distributing transformer applies new type insulating structure and makes short-circuit resistance strong. The iron core is made of high-quality cold-rolled silicon-steel plate. High-voltage winding group is made up of high-quality oxygen-free copper lines and it adopts multilayered drum type structure. All fasteners have been processed with special treatment to prevent them from loosening.


Reliable Structure


1.Spiral loops with longitudinal oil path to produce a better interior cooling effect;


2.Improve the effectual support of the loop’s terminal face to strengthen the anti-short circuit electricity capability;


3.New suspending structure and instrument-positioning frames to guarantee that the long distance transport and movement will be more reliable.


Excellent Materials


1.Oxygen-free copper lines of lower resistivity, which will become smoother and burr-free after series of additional surface treatment, so the load loss of our transformer is lower and the electric performance is better.


2.High-quality silicon-steel plates which are of lower unit loss, and the no-load of the transformers is lower.


3.High-quality wooden laminating insulation pieces, which won’t split or move even under the influence of short circuit.


4.Thoroughly filtrated transformer oil containing less water, gas and impurities, which makes our transformers work better.


5.High-quality rubber sealing material, which can prevent the transformers form aging or leakage.


Transformer Service Condition


1.Altitude cannot exceed: 1000m


2.Highest ambient temperature: +40°C


3.Highest daily average temperature: +30°C


4.Highest annual average temperature: +20°C


5.Lowest outdoor temperature: -25°C


6. The special environment conditions of use: elevation of more than 1000 m
    Environmental highest temperature + 40°C, minimum-45°C. (when you order details)


Tech data of 10KV grade S9 series oil transformer



Rated CapacityVoltage Group(kV)ConnectionLoss (kW)No-load currentImpedanceWeight (kg)(L)mm(W)mm(H)mmInstallation size(mm)
(kVA)HVLV No-loadLoad%%OilGrossDimensionC1C2
20   0.10.443.057230915450975400400
50   0.170.872803609955951035400400
125 0Yyn00.341.81.712064010807701210550550
200   0.482.61.516088012108101270550550
315   0.673.651.4235122013108401490550550
500   0.965.11.22951655139510251590660660
1000   1.710.31.05202715189013501840820820
1250   1.9512.81.05853335184514201890820820
1600   2.415.40.86603855229514001980820820
2000   2.6180.77954580236514202020820820
(Note): (Tapping range of high voltage) ±5%; ±2×2.5%




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