Product Description


Unveiling the epitome of electrical excellence, our non-encapsulated coil three-phase dry-type power transformer stands as a testament to innovation and safety. Engineered with precision, it features a cutting-edge Nomex insulation system, certified by UL, ensuring unmatched durability and reliability. This masterpiece offers exceptional energy efficiency, remarkable fire resistance, and explosion-proof capabilities, all while requiring minimal maintenance. Its sophisticated design and robust structure not only captivate with aesthetics but excel in performance. It exceeds domestic standards by showcasing superior partial discharge levels, and minimized no-load and load losses, alongside reduced noise. This versatile transformer thrives in humid conditions, making it ideal for installations near lakes, seas, and rivers. It effortlessly meets the fire safety demands of high-rise buildings, airports, stations, wharves, subways, hospitals, power plants, the metallurgical sector, shopping centers, densely populated areas, and crucial industries like petrochemical and nuclear power. With resin-insulated, epoxy-sealed windings, it promises to be flame retardant, explosion-proof, maintenance-free, eco-friendly, and compact enough to integrate seamlessly into load centers. Experience the future of power distribution with our transformative and state-of-the-art transformer solution.
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 the innovative realm of Zhejiang ChaoTai Complete Equipment Co., Ltd., a pioneer in high-tech electrical integration. With a robust R&D, production, and service team boasting over 15 years of experience, we lead the charge in technological advancement and industry expertise.
Explore our impressive range of state-of-the-art high-voltage solid-state soft starters, cutting-edge capacitor cabinets, dynamic high and low voltage switchgear, superior gas-insulated switchgear, and resilient substations. These innovative solutions are essential across diverse fields, including energy and chemical sectors, precision metal smelting, expansive electric grids, industrial manufacturing, prestigious universities, and pioneering research institutions. Our products also serve the medical and pharmaceutical domains, municipal commerce, vital water conservancy, hydropower projects, expanding road traffic, and bustling commercial and residential zones.
Fueled by an unwavering spirit of innovation, we are champions of "smart manufacturing," consistently attracting top-tier talent to sharpen our competitive edge. Our mission is to provide unparalleled service while crafting a brand that sets industry standards. From our humble beginnings, we have risen from obscurity to prominence, driven by innovation, quality, and a market-oriented approach. We adhere to the principles of innovation in technology, standardized management, exceptional quality, and customer satisfaction. With these guiding values, we enhance our market competitiveness, serving China's electric power and grid transmission sectors with unmatched speed and ambition. Integrity forms the core of our values, quality is our guiding star, supreme service is our promise, and customer satisfaction is our ultimate pursuit. We strive for excellence, continuous innovation, and building a brand that commands trust. Your support propels our journey, and we extend heartfelt gratitude to new and loyal customers alike. Together with Zhejiang ChaoTai, we look forward to a luminous 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.