Product Description


Introducing our state-of-the-art non-encapsulated coil three-phase dry-type power transformer, a marvel of engineering infused with the prestigious UL-approved Nomex insulation system. This technological masterpiece offers a plethora of benefits, ensuring unparalleled safety, steadfast reliability, and extraordinary energy efficiency for those with discerning needs. Designed with fire-preventive and explosion-proof features, this transformer offers effortless maintenance while showcasing a sophisticated and visually appealing design paired with a solid, meticulously structured build. Exceeding domestic standards in vital performance metrics such as minimal partial discharge levels, reduced no-load and load losses, and efficient noise suppression, it thrives in high-humidity conditions, making it the perfect solution for installations in polluted or humid areas near lakes, seas, and rivers. Tailored for environments subject to stringent fire safety codes and significant load requirements, this transformer is the ideal choice for critical infrastructure like skyscrapers, airports, stations, docks, subways, hospitals, power plants, and metallurgical industries. With epoxied windings, this dry-type distributing transformer epitomizes flame-retardant, explosion-resistant, maintenance-free, and environmentally friendly technology. Its compact design ensures seamless integration into load centers, delivering exceptional reliability and efficiency.
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. emerges as a guiding light of innovation in the sphere of electrical integration. As a high-tech enterprise, we boast a distinguished team of experienced professionals in R&D, production, and service, each bringing over 15 years of invaluable industry experience to our esteemed enterprise.
Our expansive portfolio features cutting-edge high-voltage solid-state soft starters, sophisticated capacitor cabinets, both high and low voltage switchgear, advanced gas-insulated switchgear, and robust substations. These indispensable products serve a wide array of industries, including energy, chemicals, metal smelting, electric power grids, industrial manufacturing, academia, medical and pharmaceutical sectors, municipal commerce, water conservation, hydropower, transportation, as well as both commercial and residential realms.
With an unwavering commitment to technological advancement, grounded in our 'smart manufacturing' philosophy, we stand on the cusp of a new era of excellence. By attracting elite technical talent, we strengthen our core competitiveness, offering unrivaled value to our customers while steadfastly establishing a leading brand in our industry. Since our inception, Zhejiang ChaoTai Complete Equipment Co., Ltd. has consistently turned challenges into opportunities, evolving from inception to excellence. Our focus on innovation is seamlessly integrated with a visionary business strategy that underscores quality, market orientation, reputation development, and management efficiency. Driven by technology and committed to standardized management, we pursue superior quality and customer satisfaction, enhancing our market presence. Serving China's electric power and grid transmission and distribution sectors with relentless determination for speed, strength, and elevated aspirations. Our foundational values are rooted in integrity, quality, and exceptional service, with the ultimate goal of customer satisfaction. We passionately pursue excellence, encourage ongoing innovation, and aim to create a brand built on trust. Your recognition fuels our journey, and we extend sincere gratitude to all our customers for their enduring support. Zhejiang ChaoTai eagerly anticipates partnering with you to forge a brighter future.
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.