Product Description
The 10kV oil-immersed composite vacuum on-load tap changer developed by our company is a new innovative product. Its unique design combines a tap selector and diverter switch into one while adopting advanced vacuum arc extinguishing technology and a buried composite resistance transition structure.
This oil-immersed composite vacuum on-load tap changer consists of several components including an oil compartment and composite inserts.
The product offers neutral point and end regulation to meet the needs of different application scenarios. This series provides excellent performance advantages in size, weight, construction, service life, and maintenance.
First of all, the product's compact size and lightweight can effectively save installation space, especially suitable for places with limited space. Its simple structural design makes installation and maintenance more convenient, bringing users an excellent experience.
Model Description
Product Parameters
| Max. rated through-current Ir (A) |
100A,150A,200A,300A,500A,600A,800A |
| Number of phases |
Single-phase/three-phase |
| Step voltage (V) (per phase) |
500 |
| Wiring Method |
Neutral point voltage regulation (X) |
End regulation voltage (T) |
| Max. operating positions |
9 |
| Insulation level (kV) |
Insulation grade |
10 |
| Max. operating voltage |
12 |
| Power frequency test voltage 1min |
To ground |
35 |
| Phase to phase |
18 |
35 |
| Maximum and minimum tap interval |
18 |
| Impact test (1.2/50us) |
75 |
| Mechanical life |
Million cycles |
No less than 50 |
| Electrical life |
No less than 10 |
| Seal test |
Working pressure |
3×104Pa |
| Test pressure |
6×104Pa |
| On-load tap-changer weight (without oil) |
(kg) |
40 |
| Filling weight |
Based on on-load tap-changer height |
| Matching Controller |
Model specifications are shown in the randomized annex |
FAQ
1. Q: What are your main products?
A: For over four decades, our company has specialized in developing and producing on-load tap changers. Our extensive product range caters to power transformers, furnace transformers, specialized transformers, and various other industries.
2. Q: Are you a manufacturer?
A: Yes. Wukai Electric (Jiangsu) Co., Ltd. proudly is a leading on-load tap changer manufacturer. With a state-of-the-art factory spanning 20,000 square meters and a dedicated workforce of over 100 employees, our production line has delivered nearly 100,000 units currently operational in networks worldwide. Additionally, we offer comprehensive OEM and ODM services to meet diverse customer needs.
3. Q: How do you control the quality of your products?
A: We implement a stringent quality control system throughout every stage of the production process. Upon completion, each product undergoes thorough testing by relevant standards. A detailed factory inspection report accompanies all shipping documents, ensuring transparency and reliability.
4. Q: What's your payment terms?
A: We are flexible and accept various payment terms such as T/T, L/C, and more.
5. Q: What are your products packaged for transportation?
A: Our products are securely packaged in robust composite wood crates to ensure safe transportation.
6. Q: What kind of credentials do you have?
A: We hold several prestigious credentials including a Quality Management System Certificate and a High-tech Enterprise Certificate, among others.
7. Q: Can I come to visit your factory?
A: Absolutely! We warmly welcome you to visit our factory and witness our operations firsthand.
Audited Supplier 
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