Transpower Electrical Equipment Co., Ltd. is one of the most reliable manufacturers and suppliers of 50kv 63kv and 69kv power transformer in China. Welcome to buy high quality customized products at competitive price from our factory. Contact us for quotation.
50kv 63kv And 69kv Power Transformer
The 50kV, 63kV, and 69kV Power Transformer is a unique kind of transformer designed by TRANSpower Electrical for medium voltage levels. Our aim is to provide the power industry with high-quality electrical equipment that meets international standards like IEC, ANSI, CSA, and more. This guarantees that our transformers are dependable and steady when used in medium voltage applications. Depending on your specific power transmission requirements, you have the option to select from various capacities, such as 50kV, 63kV, and 69kV.
Products Description

The 50kV 63kV and 69kV Power Transformer uses high quality silicon steel sheets and copper wires to optimise electromagnetic conversion efficiency. The oil tank is treated with anti-corrosion treatment and the internal insulating material provides excellent heat resistance and insulation. Its advanced winding process and vacuum impregnation technology ensure stability and reliability under different load conditions.
The 50kV, 63kV and 69kV Power Transformer improves power transmission efficiency and reduces energy loss. Its excellent voltage regulation and load response ensure stable operation under all conditions. The transformer's resistance to short circuits and overloads increases system reliability and reduces maintenance costs.


The 50kV 63kV and 69kV Power Transformer is widely used in medium-sized industrial facilities, power companies and commercial buildings where medium voltage levels are required. Their excellent performance makes them suitable for a wide range of power transmission and distribution tasks, especially when the grid is heavily loaded.
Power main transformer
|
Industry-specific attributes |
|
|
Product |
Power main transformer |
|
Phase |
Three phase |
|
Coil Structure |
Toroidal |
|
Coil Number |
Double winding or Triple winding |
|
Other attributes |
|
|
Place of Origin |
Zhejiang, China |
|
Model Number |
Three phase power main transformer (As per customer requirements) |
|
Rated capacity |
From 6300kva to 180mva |
|
High Voltage |
From 33kV to 220kV |
|
Medium Voltage |
36/37/38.5/66/69/115/121kV |
|
Low Voltage |
From 6.3kV to 69kV |
|
Frequency |
50/60Hz |
|
Standard |
IEC, ANSI, IEEE, CSA |
|
Vector group |
Yd11, YNd11, YNyn0d11, YNa0d11 |
|
Material |
Aluminum/Copper |
|
Application |
Power plant (station), substation (power distribution stations), Urban power grids, Industrial facilities, Large-scale infrastructure projects |
|
Type |
Oil-immersed Transformer |
|
Feature |
Low Loss |

Power main transformer parameters
The following table lists the standard parameters for the 220kV Power Main Transformer. If you require other capacities and voltage levels, please contact TRANSpower for accurate technical specifications and customized offers.

Below Specs Are ONLY For Reference.
|
CAPACITY |
Voltage ratio and tap range (kV) |
Connection Symbol |
No-load loss (kW) |
Full-load loss (kW) |
Impedance (%) |
No-load current |
|
|
HV |
LV |
||||||
|
31500 |
220±8x1.25% |
66.3; 6.6 10.5; 11 35; 37; 38.5 |
YNd11 |
38 |
135 |
12~14 |
0.70 |
|
40000 |
45 |
157 |
0.63 |
||||
|
50000 |
54 |
189 |
0.56 |
||||
|
63000 |
63 |
220 |
0.56 |
||||
|
90000 |
10.5; 11 35; 37; 38.5 |
80 |
288 |
0.49 |
|||
|
120000 |
99 |
346 |
0.49 |
||||
|
150000 |
116 |
405 |
0.42 |
||||
|
180000 |
135 |
468 |
0.42 |
||||
|
120000 |
66 69 |
102 |
355 |
0.49 |
|||
|
150000 |
120 |
415 |
0.42 |
||||
|
180000 |
140 |
475 |
0.42 |
||||

10MVA 33kV Three Phase Power Main Transformer dimensions and weight details

Frequently asked questions (FAQ)
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