Product Description
Oil Immersed Series Transformer:
Introducing the revolutionary S11-M series fully sealed oil-immersed power transformer, a masterpiece meticulously engineered by Zhejiang Chaotai Complete Equipment Co., Ltd. This cutting-edge transformer is unparalleled in its ability to deliver low energy loss, whisper-quiet operation, and unmatched efficiency. As a beacon of energy conservation, it dramatically reduces pollution and minimizes environmental impact. Unlike traditional counterparts, this advanced transformer dispenses with the need for an oil conservator. Its ingenious design allows it to automatically adjust and compensate for oil volume variations through the elasticity of its corrugated oil tank, ensuring a perfect seal against air exposure. This innovation not only prevents oil deterioration but also decelerates insulation aging, significantly enhancing operational reliability and completely eliminating maintenance requirements during routine operations.
1. Power Capacity: 25-2500KVA, 24KV, 30KV, 33KV, 35KV, 36KV, and customizable to meet specific customer needs 2. Voltage Level: 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Available as Off-circuit or On-load adjustment options
4. Tapping Range: Offers flexibility with ±5%, 2x2.5%, ±4x2.5%
5. Frequency: Choose between 50Hz or 60Hz to suit your requirements
6. Phases: Offered in both Three-phase and single-phase configurations
7. Connection Symbol: Configurable with Dyn11, Yyn0, or tailored to customer specifications
8. Short-circuit Impedance: Standard Impedance for reliable performance
9. Operational Conditions: Ideal for altitudes up to 1000m and ambient temperatures below 40°C. Should conditions differ, we will adjust parameters according to established standards to ensure optimal performance.
All parameter adjustments will comply with rigorous industry standards.
Power Capacity: Ranges from 25-2500KVA to suit diverse energy needs
Voltage Levels: Offering flexibility with options including 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Choose between Off-circuit or On-load to fit your system's needs
Tapping Range: Versatile options with ±5%, ±2x2.5%, ±4x2.5% for optimal control
Frequency Options: Available in both 50Hz or 60Hz to cater to your specifications
Phases: Available in Three-phase or single-phase to match your setup
Connection Symbol: Options include Dyn11, Yyn0, customizable to meet your precise requirements
Short-circuit Impedance: Engineered to meet Standard Impedance requirements
Operational Conditions: Suitable for altitudes up to 1000m and temperatures not exceeding 40°C
Should operational conditions deviate, necessary parameter adjustments will be executed in strict adherence to standard guidelines.
Chaotai Power presents the fully sealed oil-immersed power transformer, a marvel of innovation featuring low energy loss, quiet operation, and high efficiency. This exceptional energy-saving solution is pivotal in reducing pollution and enhancing environmental sustainability.
Setting itself apart from conventional oil-immersed transformers, this fully sealed design ingeniously eliminates the oil conservator. It autonomously manages oil volume fluctuations through the elasticity of the corrugated oil tank sheet, ensuring the transformer remains perfectly isolated from air. This crucial feature not only safeguards against oil degradation and insulation aging but also significantly enhances reliability, eliminating the need for regular maintenance.
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. stands as a shining beacon of technological prowess in the vibrant realm of electrical integration. As a distinguished high-tech enterprise, we are proud to present a remarkable team dedicated to R&D, production, and service, fortified by over 15 years of invaluable industry experience. Our relentless pursuit of excellence cements our position as a leader in innovation, continuously setting new standards and achieving greatness.
Our diverse product portfolio showcases a range of cutting-edge offerings, including high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These innovative solutions have become indispensable across a multitude of sectors, including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. They extend their remarkable utility to both commercial and residential applications. We are proud to illuminate the future with transformative solutions that redefine the standards of modern technology.
Grounded in a philosophy of relentless technological innovation and 'smart manufacturing,' we are committed to fostering a culture of excellence by integrating high-caliber technical talents. This strategic focus serves to enhance our core competencies, ensuring that we deliver service value of unparalleled quality to our clients. Our journey of growth stands as a testament to our ethos: evolving from inception to industry leadership through unwavering dedication and a relentless drive for excellence. Our business strategy remains anchored in innovation, with a steadfast commitment to quality as the cornerstone of survival, market reputation as the path to development, and management efficiency as the key to profitability. We pledge to harness 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the pillars of our quality and talent management initiatives. Our strategic vision is to amplify our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that are faster, stronger, and higher. Integrity, unparalleled quality, exceptional service, and customer satisfaction comprise our core values. We relentlessly pursue excellence, perpetually innovating to establish a brand synonymous with trust and reliability. The acknowledgment of our customers fuels our ambition to reach greater heights. We extend heartfelt gratitude to our loyal customers, both new and longstanding, and warmly invite you to join Senhang Technology on a shared journey towards a brighter tomorrow filled with limitless possibilities.
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}