Product Description


Indulge in the pinnacle of safety and efficiency with our non-encapsulated coil three-phase dry-type power transformer, produced using the UL-approved Nomex insulation system. Revel in its remarkable safety, unwavering reliability, and exceptional energy savings, all while being fireproof and explosion-proof. This powerhouse requires minimal maintenance and boasts a cutting-edge design with an impeccable structure and captivating appearance. Surpassing domestic standards in key performance indicators like partial discharge level, no-load loss, load loss, and noise, this transformer is robust enough to thrive in humid environments. Ideal for installation in polluted, humid areas near lakes, seas, and rivers, it meets high fire protection and heavy load demands. Perfectly suited for high-rise buildings, airports, stations, docks, subways, hospitals, power plants, metallurgical industries, bustling shopping centers, densely populated zones, petrochemical facilities, nuclear power plants, and more. The dry type distributing transformer, encapsulated with epoxy, promises flame-retardancy, explosion-proof reliability, and freedom from maintenance and pollution. Its compact design allows it to penetrate deep into load centers with ease.
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

Welcome to Zhejiang ChaoTai Complete Equipment Co., Ltd., a beacon of innovation in electrical integration. As a high-tech enterprise, we take immense pride in our dedicated R&D, production, and service teams, backed by over 15 years of industry expertise. Our commitment to excellence is unwavering.
Our impressive product lineup features high-voltage solid-state soft starters, cutting-edge capacitor cabinets, versatile high and low voltage switchgear, advanced gas-insulated switchgear, and robust substations. Our products power a multitude of sectors, including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academic institutions, medical and pharmaceutical sectors, municipal commerce, water conservation, hydropower, road traffic, and both commercial and residential realms.
Our core values are rooted in technological innovation and smart manufacturing. By continuously attracting top-tier technical talent, we enhance our core competitiveness and deliver unmatched value to our customers. Our journey from inception is a testament to our relentless pursuit of excellence. We prioritize quality as our foundation, market orientation for growth, reputation for development, and management for efficiency. We are guided by 'technology as the guide, standardized management, excellent quality, and customer satisfaction,' relentlessly boosting our market competitiveness. Our mission is to serve China's power transmission and distribution sectors with speed, strength, and high standards. We hold integrity, quality, and service in the highest regard, with customer satisfaction as our eternal vow. Our dedication to excellence, continuous innovation, and brand trustworthiness drives us forward. Your trust fuels our journey, and we extend heartfelt gratitude to our loyal customers for their unwavering support. Zhejiang Chaotai looks forward to collaborating with you to shape 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.