Product Description



Oil Immersed Series Transformer:
Introducing the S11-M Series Fully Sealed Oil Immersed Power Transformer, crafted with precision by Chaotai Power. This cutting-edge technology boasts exceptional features such as ultra-low loss, whisper-quiet operation, and outstanding efficiency, making it the perfect choice for superior energy conservation and pollution reduction. Unlike conventional oil-immersed transformers, this innovative design eliminates the need for an oil conservator. The transformer ingeniously adapts to changes in oil volume through the resilient corrugated sheet of its oil tank, ensuring seamless performance. Completely isolated from the air, it significantly slows oil deterioration and insulation aging, enhancing reliability and ensuring maintenance-free operation under normal conditions.
Technical Specifications: 1. Power Capacity: 25-2500KVA, available for 24KV, 30KV, 33KV, 35KV, 36KV, and other requirements tailored to customer needs. 2. Voltage Level Options: 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV.
3. Tapping Range: Options include ±5%, 2x2.5%, and ±4x2.5%, providing adaptability to various operational needs.
4. Frequency: Available in both 50Hz and 60Hz to suit diverse applications.
5. Phases: Customizable as either three-phase or single-phase configurations.
6. Connection Symbol: Choose between Dyn11 or Yyn0, with further customizations available upon request.
7. Short-circuit Impedance: Designed with standard impedance metrics for reliability.
8. Operating Conditions: Optimized for altitudes not exceeding 1000m and ambient temperatures up to 40°C.
In cases where environmental conditions exceed standard parameters, we offer tailored solutions to meet specific operational standards.
Power Capacity: Available from 25-2500KVA, designed for versatility and adaptability across a wide range of applications.
Voltage Level: A broad spectrum of options including 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV, 30KV, 33KV, 35KV, and 36KV, catering to diverse power requirements.
Voltage Level:
Voltage Regulation Options: Available in off-circuit or on-load regulation, ensuring flexibility and efficiency.
Tapping Range: Tailored configurations of ±5%, 2x2.5%, and ±4x2.5% for precision performance.
Frequency Options: Designed for both 50Hz and 60Hz operations, accommodating global standards.
Phases: Available in three-phase or single-phase, ensuring compatibility with various systems.
Connection Symbol: Highly adaptable, available in Dyn11 or Yyn0 configurations, with custom options available.
Short-circuit Impedance: Engineered with standard impedance to maintain stability and reliability.
Operability: Suited for altitudes up to 1000m and ambient temperatures reaching 40°C, ensuring robust performance.
For environments exceeding these conditions, our team will adjust parameters in compliance with standard practices to ensure peak performance.
The advanced Fully Sealed Oil Immersed Power Transformer by Chaotai Power features innovations like reduced loss, minimal noise, and high efficiency, ensuring substantial energy savings and minimized environmental impact.
This state-of-the-art transformer stands out by eliminating the oil conservator. The adaptive design automatically manages oil volume changes using a corrugated oil tank, profoundly reducing oil degradation and insulation aging. This isolation from air enhances reliability, ensuring maintenance-free operation under standard conditions.
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 beacon of innovation in the realm of electrical integration. As a high-tech enterprise, we proudly boast a dedicated R&D, production, and service team, drawing from over 15 years of invaluable industry expertise. Our commitment to excellence positions us at the forefront of technological advancement.
Our impressive suite of products includes high-voltage solid-state soft starters, capacitor cabinets, advanced high and low voltage switchgear, sophisticated gas-insulated switchgear, and robust substations. These products are integral to a wide spectrum of industries such as energy, chemical processing, metal smelting, and electric power grids. We also serve industrial manufacturing, academia, medical and pharmaceutical sectors, municipal commerce, water management, hydropower, road traffic systems, and commercial and residential spaces, ensuring reliability and efficiency across all domains.
At Zhejiang Chaotai, we champion technological innovation and embrace the philosophy of 'smart manufacturing.' Our strategy involves attracting top-tier technical talent to significantly enhance our core competencies. We are devoted to providing unparalleled value to our clientele, aiming to establish the most esteemed brand in our industry. Since our inception, we have made remarkable strides, evolving from inception to excellence by prioritizing quality, market needs, reputation-driven development, and management efficiency. Our ethos is anchored in 'technology as the guide, standardized management, excellent quality, and customer satisfaction,' which fortifies our market competitiveness and commitment to the power transmission and distribution sectors in China. Upholding integrity, prioritizing quality, delivering exceptional service, and achieving customer satisfaction are the cornerstones of our mission. We relentlessly pursue excellence, continuous innovation, and a trustworthy brand identity. Your trust and recognition are the catalysts for our journey. We extend heartfelt gratitude to our loyal customers for their enduring support. Together, with Senhang Technology, we aspire to craft a brighter tomorrow.
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.