Transpower Electrical Equipment Co., Ltd. is one of the most reliable manufacturers and suppliers of ultra high voltage power transformer in China. Welcome to buy high quality customized products at competitive price from our factory. Contact us for quotation.
Ultra High Voltage Power Transformer
TRANSpower Electrical specializes in ultra-high voltage power transformers, adhering strictly to the stringent standards of ANSI/IEEE and CSA to ensure superior quality. With a flawless track record spanning over ten years, our products are known for their robust reliability. Our transformer lineup spans from 35 kV to 220 kV, offering capacities ranging from 6,300 kVA to 360,000 kVA, capable of meeting diverse power transmission requirements with flexibility. Our lightweight designs prioritize technology without sacrificing quality, showcasing our commitment to excellence.
Products Description

The Ultra High Voltage Power Transformer utilizes premium silicon steel sheets and high-purity copper wires. Its core design is optimized for efficient electromagnetic conversion. Special anti-corrosion treatment is applied to the transformer's oil tank, while high-performance insulating materials inside offer exceptional heat resistance and durability against ageing. Advanced winding techniques and vacuum impregnation technology further boost transformer performance and longevity. Our meticulous quality control procedures guarantee that each UHV transformer meets the highest standards for quality and performance before leaving our factory.
The Ultra High Voltage Power Transformer plays a crucial role in minimizing energy loss during long-distance power transmission and enhancing the overall transmission efficiency of power systems. Its superior voltage regulation and stable output ensure reliable performance across diverse operational conditions. The transformer's exceptional resistance to short circuits and overloads guarantees stable operation even under extreme circumstances, thereby reducing equipment failures and maintenance expenses. Utilizing the Ultra High Voltage Power Transformer enables users to substantially enhance the operational efficiency and reliability of ultra-high voltage power systems.


The Ultra High Voltage Power Transformer is extensively utilized in national power grids, large industrial parks, and extra high voltage power transmission projects. Its outstanding performance and reliability designate it as a pivotal component in ultra high voltage power transmission systems. The transformer assumes a critical role in new power initiatives and the modernization of existing power grids, ensuring stable and efficient operation of the overall power system.
Ultra high voltage power transformer
|
Industry-specific attributes |
|
|
Product |
Ultra high voltage power 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 Ultra high voltage power 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 |
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Material |
Aluminum/Copper |
|
Application |
Power plant (station), substation (power distribution stations), Urban power grids, Industrial facilities, Large-scale infrastructure projects |
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Type |
Oil-immersed Transformer |
|
Feature |
Low Loss |

Ultra high voltage power transformer parameters
The following table lists the standard parameters for the 220kV Ultra high voltage power 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 Ultra high voltage power transformer dimensions and weight details

Frequently asked questions (FAQ)
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