Product Description


Immerse yourself in the world of unparalleled power distribution with our non-encapsulated coil three-phase dry-type power transformer, proudly produced using the renowned Nomex insulation system, UL approved. Revel in the advantages of superior safety, unwavering reliability, cost-effective energy saving, and top-tier fire prevention and explosion-proof features. Our transformer boasts a sophisticated design, a beautiful structure, and an aesthetically pleasing appearance. Notably, its performance metrics surpass domestic standards, offering exceptional partial discharge levels, minimized no-load and load loss, and reduced noise. Designed to thrive in high humidity and extreme environments, it is well-suited for installation near lakes, seas, and rivers, and in areas with stringent fire protection requirements and heavy load demands. Ideal for high-rise buildings, bustling airports, strategic stations, vibrant shopping centers, and crucial sectors like petrochemical and nuclear power plants, it seamlessly integrates into densely populated urban hubs. The epoxy-sealed dry-type distributing transformer exemplifies flame retardancy, explosion protection, and maintenance-free operation, while remaining pollution-free. Its compact design ensures it can penetrate deeply into load centers, offering unparalleled service.
Product Parameters
Nominal |
Voltage unitcombination |
Low voltage(KV) |
Vector Group |
No-load loss(W) |
Loasloss (W) |
No-load current(%) |
Short-circuit impedance(%) |
capacity(KVA) |
High voltage(KV) |
High voltage tap |
F class |
H class |
|
range |
(120ºC) |
(120ºC) |
|
|
|
|
50 |
|
|
0.4 |
Yyn0
Dyn11 |
450 |
1420 |
1520 |
2.3 |
6 |
100 |
35
36
37
38.5 |
±2×2.5% or ± 5% |
630 |
2090 |
2230 |
2 |
160 |
790 |
2810 |
3000 |
1.5 |
200 |
880 |
3320 |
3550 |
1.5 |
250 |
990 |
3800 |
4060 |
1.3 |
315 |
1170 |
4510 |
4820 |
1.3 |
400 |
1370 |
5410 |
5790 |
1.1 |
500 |
1620 |
6650 |
7110 |
1.1 |
630 |
1860 |
7690 |
8230 |
1 |
800 |
2160 |
9120 |
9760 |
1 |
1000 |
2430 |
10400 |
11100 |
0.75 |
1250 |
2830 |
12700 |
13600 |
0.75 |
1600 |
3240 |
15400 |
16500 |
0.75 |
2000 |
3820 |
18200 |
19500 |
0.75 |
2500 |
4450 |
21800 |
2330 |
0.75 |
Nominal |
Voltage unitcombination |
Low voltage(KV) |
Vector Group |
No-load loss(W) |
Loasloss (W) |
No-load current(%) |
Short-circuit impedance(%) |
capacity(KVA) |
High voltage(KV) |
High voltage tap |
F class |
H class |
|
range |
(120ºC) |
(120ºC) |
|
|
|
|
50 |
|
|
0.4 |
Yyn0
Dyn11 |
450 |
1420 |
1520 |
2.3 |
6 |
100 |
35
36
37
38.5 |
±2×2.5% or ± 5% |
630 |
2090 |
2230 |
2 |
160 |
790 |
2810 |
3000 |
1.5 |
200 |
880 |
3320 |
3550 |
1.5 |
250 |
990 |
3800 |
4060 |
1.3 |
315 |
1170 |
4510 |
4820 |
1.3 |
400 |
1370 |
5410 |
5790 |
1.1 |
500 |
1620 |
6650 |
7110 |
1.1 |
630 |
1860 |
7690 |
8230 |
1 |
800 |
2160 |
9120 |
9760 |
1 |
1000 |
2430 |
10400 |
11100 |
0.75 |
1250 |
2830 |
12700 |
13600 |
0.75 |
1600 |
3240 |
15400 |
16500 |
0.75 |
2000 |
3820 |
18200 |
19500 |
0.75 |
2500 |
4450 |
21800 |
2330 |
0.75 |
Nominal |
Voltage unitcombination |
Low voltage(KV) |
Vector Group |
No-load loss(W) |
Loasloss (W) |
No-load current(%) |
Short-circuit impedance(%) |
capacity(KVA) |
High voltage(KV) |
High voltage tap
range |
F class |
H class |
|
(120ºC) |
(120ºC) |
|
|
|
2000 |
35
36
37
38.5 |
±4×2.5% |
3.15
6
6.3
10
10.5
11 |
Yd11
Dyn11 |
4500 |
19000 |
20300 |
0.75 |
7 |
2500 |
5220 |
22600 |
24200 |
0.75 |
3150 |
6300 |
25400 |
27200 |
0.7 |
8 |
4000 |
7380 |
30400 |
32600 |
0.7 |
5000 |
8730 |
36100 |
38600 |
0.6 |
6300 |
10300 |
41800 |
44700 |
0.6 |
8000 |
11800 |
47500 |
50800 |
0.5 |
9 |
10000 |
13500 |
57100 |
61200 |
0.5 |
12500 |
16400 |
66500 |
71100 |
0.4 |
16000 |
20200 |
78200 |
83700 |
0.4 |
20000 |
23800 |
88000 |
94200 |
0.35 |
10 |
25000 |
28100 |
104000 |
111000 |
0.35 |
Main product
Company Profile

Zhejiang ChaoTai Complete Equipment Co., Ltd. stands as a beacon of innovation in the realm of electrical integration. As a distinguished high-tech enterprise, we pride ourselves on a dynamic team of R&D, production, and service experts, each boasting over 15 years of profound industry expertise.
Our stellar lineup of products includes high-voltage solid-state soft starters, cutting-edge capacitor cabinets, versatile high and low voltage switchgear, advanced gas-insulated switchgear, and robust substations. Our solutions power a myriad of industries—from energy and chemicals to electric power grids, and from industrial manufacturing to elite universities and research institutions. We serve the medical and pharmaceutical sectors, municipal commerce, water conservancy, and hydropower, as well as road traffic domains and bustling commercial and residential areas, with unwavering dedication and excellence.
Guided by a philosophy centered on 'smart manufacturing,' Zhejiang Chaotai Complete Equipment Co., Ltd. is committed to technological innovation, infusing high-level technical talents to elevate our core competencies. Our relentless pursuit of delivering value to customers propels us to aspire as the industry's premier brand. Since inception, our trajectory has been marked by substantial growth—from humble beginnings to a paragon of excellence. Innovation is our steadfast companion as we tread the modern business landscape, emphasizing quality-driven survival, reputation-focused development, and management-led efficiency. Our commitment to 'technology as the guide, standardized management, superior quality, and customer satisfaction' fortifies our market competitiveness. We are dedicated to the swift and robust advancements in China's electric power transmission and distribution sectors. Integrity remains our foundation, quality our pinnacle, service our supremacy, and customer satisfaction our eternal mission. With an unwavering pursuit of excellence and constant innovation, our goal is to build a brand synonymous with trust. Your recognition invigorates us, and we extend our immense gratitude to all esteemed clients for their support. Zhejiang Chaotai eagerly anticipates partnering with you to forge a brighter tomorrow.
Our Advantages
Certifications
After Sales Service


FAQ
Q1. Are you a factory or trading company?
A.We are a factory.
Q2. Where is your factory located? How can I visit there?
A. Our factory is located in Wenzhou City, Zhejiang Province, China. You can fly to Longwan airport directly. All our clients,from home or abroad, are warmly welcome to visit us!
Q3. What's the payment term?
A. We accept TT. 30% deposit and 70% before shipment, Western Union, L/C At Sight is ok! We'll l show you the photos of the products and packages before you pay the balance.
Q4. Tell me the standard of package? What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons, If vou have leaallyl registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q5. Would you accept to use our logo?
A. If you have good quantity,it absolute no problem to do OEM.
Q6. How about the transport?
A. If the number of aoods is small we usually use TNT.DHL.FEDEX.EMS and some express voull offered. If the number of the goods is big usually we use the FWD you offered or we provided. Either by sea or by air is OK.
Q7. What is your Production lead time /delivery time?
A: Generally, it will take 25 to 30 days after receivina vour advance payment.
The specificl delivery time depends on the items and the quantity of your order. Silicone rubber's reqular product is 1,000/ week, Porcelain's need 2-3 weeks about 1000 pcs.
Q8. How do you make our business long-term and good relationship?
A:l. We keep aood auality and competitive price to ensure our customers benefit:
A: 2. We respect every customer as our friend and we sincerely do business and make friendsl with them, no matter where they come from.
A: 3.Most goods we have the type report according the IEC STANDARD
Q9. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the courier cost.
Q10. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q11. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.
Q12.What certificates do you have?
A:ISO9001,OHSAS18001,ISO14001 certificate and Type test report of product.