S-35
Power, Electronic
Three
Core-type Transformer
Oil-immersed Type Transformer
Two-winding Transformer
ISO9001, CCC, CE, CQC, Pccc, CNAS, ILAC-MRA
Power Transformer, Distribution Transformer
High Frequency
Ring
Hua Bian
Oil Immersed/Filled Power Transformer
35kv or Customized
10/0.4kv
3-31mva
+-5% or +-2*2.5% or Customized
50/60Hz
Yyn0 or Dyn11 or Customized
Copper/Aluminum
Class F or H
Customized
Customized
7~10%
Avaliable
Avaliable
1 Year
OEM
Wooden Case
China
8504220000
Product Description

Product Name | ||||
IEC Electrical High Voltage 30kv 33kv 35kv 66kv 4/8/10/25mva 50/60Hz Large Copper Oil Immersed Power Transformer Price | ||||
Product Discription | ||||
Use steel straps or upper beam and side beam to form a solid frame structure to enhance the clamping force of iron core and the ability to withstand transportation impact. Strong short circuit resistance, beautiful appearance, reliable operation, low loss, low noise, reaching the advanced level of similar products abroad. |
Product Discription | ||||||||||
The SZ-20000/35 transformer prototype produced by our company has passed the sudden short circuit test conducted by the National Transformer Testing Center at one time. The longitudinal oil channel of the high and low voltage coils is conducive to heat dissipation, which can greatly reduce the temperature difference between copper and oil and the hottest temperature rise inside the coils. We produces two series for option: on-load voltage regulation power transformers and off-excitation voltage regulation power transformers. | ||||||||||
Product Features | ||||||||||
Beautiful appearance, advanced technology and reliable operation. Ideal equipment for factory, rural and urban transmission network centers. |
Energy efficiency rating of 35 kV oil-immersed three-phase double-winding on-load tap-changing power transformer | |||||||
Rated Capacity kVA | Energy Efficiency Class 1 | Energy Efficiency Class 2 | Energy Efficiency Class 3 | Impedance % | |||
No-load Loss kW | Load Loss (75ºC) kW | No-load Loss kW | Load Loss (75ºC) kW | No-load Loss kW | Load Loss (75ºC) kW | ||
3150 | 1.8 | 22.2 | 2.1 | 22.2 | 2.6 | 23.5 | 7 |
4000 | 2.1 | 26.2 | 2.5 | 26.2 | 3.1 | 27.6 | |
5000 | 2.6 | 30.8 | 3.0 | 30.8 | 3.7 | 32.5 | |
6300 | 3.1 | 33.0 | 3.7 | 33.0 | 4.5 | 34.9 | 7.5 |
8000 | 4.3 | 36.5 | 5.1 | 36.5 | 6.3 | 38.6 | |
10000 | 5.1 | 43.2 | 6.0 | 43.2 | 7.4 | 45.6 | |
12500 | 6.0 | 51.1 | 7.1 | 51.1 | 8.7 | 54.0 | 8 |
16000 | 7.2 | 63.3 | 8.5 | 63.3 | 10.5 | 66.8 | |
20000 | 8.5 | 74.4 | 10.1 | 74.4 | 12.4 | 78.6 | |
25000 | 10.1 | 88.0 | 11.9 | 88.0 | 14.6 | 92.9 | 10 |
31500 | 12.0 | 104.4 | 14.2 | 104.4 | 17.4 | 110.2 | |
Energy efficiency rating of 35 kV oil-immersed three-phase double-winding non-excitation voltage regulating power transformer | |||||||
Rated Capacity kVA | Energy Efficiency Class 1 | Energy Efficiency Class 2 | Energy Efficiency Class 3 | Impedance % | |||
No-load Loss kW | Load Loss (75ºC) kW | No-load Loss kW | Load Loss (75ºC) kW | No-load Loss kW | Load Loss (75ºC) kW | ||
3150 | 1.7 | 20.7 | 2.0 | 20.7 | 2.4 | 21.9 | 7 |
4000 | 2.0 | 24.6 | 2.3 | 24.6 | 2.9 | 25.9 | |
5000 | 2.4 | 28.2 | 2.8 | 28.2 | 3.5 | 29.7 | |
6300 | 2.9 | 31.5 | 3.4 | 31.5 | 4.2 | 33.3 | 8 |
8000 | 4.0 | 34.6 | 4.7 | 34.6 | 5.8 | 36.5 | |
10000 | 4.8 | 40.8 | 5.7 | 40.8 | 7.0 | 43.0 | |
12500 | 5.5 | 48.4 | 6.5 | 48.4 | 8.0 | 51.1 | |
16000 | 6.7 | 59.2 | 7.9 | 59.2 | 9.7 | 62.5 | |
20000 | 7.9 | 71.6 | 9.4 | 71.6 | 11.5 | 75.5 | |
25000 | 9.4 | 84.6 | 11.1 | 84.6 | 13.6 | 89.3 | 10 |
31500 | 11.1 | 100.8 | 13.1 | 100.8 | 16.2 | 106.4 |


Wuhan Huachendingfeng Electric Co., Ltd is a branch office of Jiangsu Huachen Transformer Co., Ltd. The headquarter was founded in September 2007, covers an area of 336,000 square meters, it is a national high-tech enterprise specializing in research, development, manufacturing and sales of complete sets of power transmission and distribution products and control equipment. The main products include energy-saving dry-type transformers, oil-immersed transformers, intelligent box-type substations and complete electrical equipment.
After more than ten years of hard work, Jiangsu Huachen has worked hard and deeply in the industry. It is committed to the supply chain of green intelligent manufacturing and emerging application market products, constantly improving the market share of energy conservation, environmental protection and new energy products, and firmly moving forward towards the Goal of "double carbon".
The products have passed the certification of the National Electrical Product Quality Supervision and Inspection Center and obtained the registration model filing certificate. The product has also passed the energy efficiency product certification of the China Quality Certification Center, the PCCC product certification of the National Electric Energy Certification Center.
After more than ten years of hard work, Jiangsu Huachen has worked hard and deeply in the industry. It is committed to the supply chain of green intelligent manufacturing and emerging application market products, constantly improving the market share of energy conservation, environmental protection and new energy products, and firmly moving forward towards the Goal of "double carbon".
The products have passed the certification of the National Electrical Product Quality Supervision and Inspection Center and obtained the registration model filing certificate. The product has also passed the energy efficiency product certification of the China Quality Certification Center, the PCCC product certification of the National Electric Energy Certification Center.



Q: What are your advantages?
Our company's headquarter, Jiangsu Huachen, is a national high-tech enterprise specializing in the research and development, manufacturing and sales of complete sets of power transmission and distribution products and control equipment, and was successfully listed on the main board of the Shanghai Stock Exchange in 2022.
Q: What certificates do your products have?
A: ISO9001-2015 Quality Certificate;
ISO14001-2015 Environment Certificate;
ISO45001-2018 Health and Safety Certificate;
International IEC & UL Standard;
PCCC and CQC energy saving certificates.
Q: What are the applications of your products?
A: Our products are widely used in electric power, new energy, construction, industrial infrastructure, metallurgy, aerospace and other fields.
Q: Can your products be customized?
A: Sure, we provide OEM&ODM service.
Q: How long is your product lead time?
A: It depends on the product and quantity of the order. Usually it takes 25~40 working days.
Q: How long is your product warranty and service life?
A: We provide 1~3 years warranty and at least 20 years service life for all of our products.