Product Description
Oil Immersed Series Transformer:
Introducing the S11-M series fully sealed oil immersed power transformer by Chaotai Power, a marvel of engineering designed for uncompromising energy efficiency and sustainability. With its innovative design, this transformer offers unparalleled low loss, minimal noise, and superior efficiency, making it an eco-friendly powerhouse. Unlike conventional transformers, it is fully sealed, eliminating the need for an oil conservator. The adaptable corrugated oil tank intelligently adjusts to oil volume changes, thanks to its elastic corrugated sheets, ensuring isolation from air, thus prolonging oil and insulation life, enhancing reliability, and minimizing maintenance needs during regular operation.
1. Power Capacity: Ranging from 25 to 2500KVA, adaptable to 24KV, 30KV, 33KV, 35KV, 36KV, and customizable according to client specifications.
4. Tapping Range: Versatile adjustment options of ±5% and additional increments of 2x2.5% and 4x2.5%.
5. Frequency: Available in both 50Hz and 60Hz to suit various regional standards.
6. Phases: Designed to operate efficiently with either three or single-phase systems.
7. Connection Symbol: Configurations include Dyn11, Yyn0, or tailored to specific requests.
8. Short-Circuit Impedance: Adheres to standard impedance specifications for optimal performance.
9. Elevation and Temperature: Suitable for altitudes up to 1000m and ambient temperatures not exceeding 40°C. If these conditions are not met,
parameters will be adjusted in line with standard procedures.
Power Capacity: A broad range from 25-2500KVA to accommodate varying power needs.
Voltage Categories: Compatible with IOkV, 22KV, 30KV, 33KV, 35KV, and 36KV standards.
Voltage Level: Precisely engineered to handle diverse voltage levels, ensuring maximum flexibility.
Type of Voltage Regulation: Offers both off-circuit and on-load options to suit different operational requirements.
Tapping Range: Highly customizable with adjustments of ±5%, ±2x2.5%, and ±4x2.5% for fine-tuning.
Frequency: Supports both 50Hz and 60Hz frequencies to match local electrical standards.
Phases: Compatible with both three-phase and single-phase systems for diverse applications.
Connection Symbol: Options available include Dyn11, Yyn0, or customized configurations upon request.
Short-Circuit Impedance: Meets industry-standard impedance requirements for enhanced safety and reliability.
Environment Specifications: Operational at altitudes not exceeding 1000m and temperatures below 40°C.
Should environmental conditions exceed these limits, we will adjust parameters to comply with industry regulations.
The fully sealed oil immersed power transformer by Chaotai Power epitomizes excellence in energy-saving and eco-friendly design, boasting low loss, reduced noise, and exceptional efficiency for a cleaner planet.
Setting a new standard in transformer technology, the fully sealed design eliminates the oil conservator, with oil volume changes adeptly managed by the corrugated tank's elasticity. This advanced construction isolates the transformer from air exposure, mitigating oil degradation and insulation wear, thus ensuring enhanced reliability and reducing maintenance during standard operations.
Product Parameters
| Oil immersed transformer product parameters |
| Rated capacity kVA |
Voltage combination |
NO-load loss W |
Load loss W |
No-load current% |
Short-circuit |
| HV (KV ) |
HV tapping range |
LV (KV) |
Connection symbol |
Impedance |
| 30 |
6.3kV
10.5kV
11kV
13.2kV
13.8kV
15kV |
±2
× 2.5%;
Or ±5% |
0.4 |
Dyn11 or Yyn0 |
90 |
660 |
2.1 |
5.5 |
| 50 |
130 |
960 |
2 |
| 63 |
150 |
1145 |
1.9 |
| 80 |
180 |
1370 |
1.8 |
| 100 |
200 |
1650 |
1.6 |
| 125 |
240 |
1980 |
1.5 |
| 160 |
290 |
2420 |
1.4 |
| 200 |
330 |
2860 |
1.3 |
| 250 |
400 |
3350 |
1.2 |
| 315 |
480 |
4010 |
1.1 |
| 400 |
570 |
4730 |
1 |
| 500 |
680 |
5660 |
1 |
| 630 |
810 |
6820 |
0.9 |
6 |
| 800 |
980 |
8250 |
0.8 |
| 1000 |
1150 |
11300 |
0.7 |
| 1250 |
1350 |
13200 |
0.7 |
| 1600 |
1630 |
15950 |
0.6 |
| 2000 |
1950 |
19140 |
0.6 |
| 2500 |
2340 |
22200 |
0.6 |
Main product
Company Profile
Zhejiang Chaotai Complete Equipment Co., Ltd., a beacon of technological brilliance, stands at the forefront of electrical integration. Distinguished by an elite R&D, production, and service team boasting over 15 years of unparalleled industry expertise, we are committed to pioneering advancements in the field.
Our diverse product range includes state-of-the-art high-voltage solid-state soft starters, cutting-edge capacitor cabinets, high and low voltage switchgear, and advanced gas-insulated switchgear and substations. These products are integral to various industries, seamlessly powering the energy and chemical sectors, metal smelting, and electric power grids. They are equally vital in the realms of industrial manufacturing, academia, medical and pharmaceutical fields, municipal commerce, water conservancy, hydropower, road traffic, and the vibrant commercial and residential landscapes.
Rooted in the ethos of 'smart manufacturing' and relentless technological innovation, we welcome top-tier technical talents to elevate our competitive edge. Our journey from inception to excellence is marked by unwavering commitment to quality, market responsiveness, and a reputation for development and efficiency-driven management. Our guiding principles, 'technology as the guide, standardized management, excellent quality, and customer satisfaction,' underpin our dedication to enhancing market competitiveness. We aim to advance China's electric power and grid transmission and distribution sectors with unmatched ambition. Integrity, supreme service, and customer satisfaction remain our core tenets. Embarking on a path of excellence, ceaseless innovation, and trust-building, Zhejiang Chaotai is steadfast in its pursuit of a reputable brand. Your trust fuels our drive. We extend heartfelt gratitude to our esteemed clientele for their unwavering support and look forward to forging a brighter future together alongside you.
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.
Audited Supplier 
){kind=link}