Product Description



Oil Immersed Series Transformer:
The S11-M series fully sealed oil-immersed power transformer, masterfully crafted by Chaotai Power, embodies a paradigm of efficiency and innovation. Experience the advantages of low loss, minimal noise, and unparalleled efficiency, yielding impressive energy savings and significant pollution reduction. Unlike standard transformers, this advanced model eliminates the oil conservator, with its oil volume adaptively managed by the elastic corrugated sheets of its innovative oil tank. Encased in a hermetically sealed design, it protects against air exposure, mitigating oil deterioration and insulation wear. This ensures robust operational reliability and virtually maintenance-free performance under normal conditions.
1. Power Capacity: An impressive range from 25-2500KVA, with voltage options including 24KV, 30KV, 33KV, 35KV, 36KV, and customizable options to meet specific customer requirements. 2. Voltage Level: Available in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV, offering versatile solutions for diverse applications. 3. Type of Voltage Regulation: Choose between Off-circuit or On-load regulation for optimal performance in various scenarios.
4. Tapping Range: Customizable options include ±5%, ±2x2.5%, ±4x2.5%, ensuring adaptability to various operational needs.
5. Frequency: Compatible with both 50Hz and 60Hz frequencies, providing flexibility for global applications.
6. Phases: Available in three-phase or single-phase configurations, catering to diverse power distribution requirements.
7. Connection Symbol: Standard options include Dyn11, Yyn0, or customizable as per request, offering tailored connectivity.
8. Short-circuit Impedance: Designed with standard impedance, ensuring reliable performance under various conditions.
9. Altitude and Temperature: Suitable for altitudes up to 1000m and ambient temperatures not exceeding 40°C. If these conditions are surpassed, we will adjust parameters in line with standard guidelines.
In cases where standard conditions are not met, our team will precisely modulate parameters according to industry standards, ensuring consistent performance.
Power Capacity: Offering a robust capacity range from 25 to 2500KVA, tailored to meet diverse power needs.
Voltage Levels: Options include 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV, and extend up to 36KV, providing comprehensive coverage for various applications.
Voltage Level: Available in a wide range of specifications to suit different operational demands.
Type of Voltage Regulation: Offers flexibility with Off-circuit or On-load regulation options to match specific application requirements.
Tapping Range: Featuring versatile settings of ±5%, ±2x2.5%, and ±4x2.5% for customizable operation.
Frequency: Compatible with both 50Hz and 60Hz, allowing seamless integration into diverse power systems.
Phases: Choose between three-phase or single-phase configurations to fit different power distribution needs.
Connection Symbol: Options include Dyn11 and Yyn0, or customized connections as requested, ensuring precise alignment with system requirements.
Short-circuit Impedance: Maintains standard impedance, guaranteeing stability and reliability across applications.
Environmental Conditions: Suitable for use at altitudes not exceeding 1000m and ambient temperatures up to 40°C. Adjustments can be made for non-standard conditions.
For environments that exceed standard parameters, our transformers are adaptable, with parameters modifiable to comply with industry standards.
The fully sealed oil-immersed power transformer, an innovation by Chaotai Power, stands out with its low loss, minimal noise, and exceptional efficiency. It not only achieves outstanding energy conservation but also significantly curtails pollution.
This state-of-the-art fully sealed transformer surpasses ordinary models by eliminating the oil conservator. The adaptive oil volume is ingeniously managed by the elasticity of the corrugated oil tank sheets, offering complete isolation from air exposure. This design effectively curtails oil degradation and insulation aging, boosting operational reliability and almost eliminating the need for maintenance in typical use.
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

Welcome to Zhejiang ChaoTai Complete Equipment Co., Ltd., a pioneer in high-tech electrical integration. Our enterprise stands tall with a distinguished team specializing in research, development, production, and service, all backed by more than 15 years of rich industry expertise. We are committed to pushing the boundaries of electrical solutions and setting new standards of excellence.
At Zhejiang ChaoTai, we proudly present a diverse array of cutting-edge products, including high-voltage solid-state soft starters, advanced capacitor cabinets, high and low voltage switchgear, state-of-the-art gas-insulated switchgear, and robust substations. These products are instrumental across a multitude of sectors: energy and chemical industries, metal smelting, power grids, industrial manufacturing, academic and research institutions, medical and pharmaceutical fields, municipal commerce, water conservancy and hydropower, road traffic, and both commercial and residential arenas. Our solutions are trusted to deliver unparalleled performance and reliability.
At the heart of Zhejiang ChaoTai lies an unwavering commitment to technological innovation and our 'smart manufacturing' philosophy. We strategically recruit top-tier technical talents to bolster our core competencies, ensuring we offer exceptional value and build an industry-leading brand. Since our inception, we have journeyed from humble beginnings to a beacon of excellence. Our path is one of relentless innovation, anchored in quality-driven survival, market orientation, reputation-based development, and management efficiency. Our guiding principles revolve around groundbreaking technology, precise management, impeccable quality, and unwavering customer satisfaction. These tenets enhance our market prowess as we aim to serve China's power transmission and distribution with unmatched speed, strength, and ambition. Integrity forms our foundation, quality is our hallmark, and customer service is our crowning glory. Striving for excellence, fostering continuous innovation, and building a brand you can trust are the cornerstones of our company's mission. Your trust fuels our journey, and we extend our heartfelt gratitude to our loyal clientele for their enduring support. Together, Zhejiang ChaoTai and you, our valued partner, will forge 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.