Product Description
Oil Immersed Series Transformer: The pinnacle of innovation for efficient and robust energy solutions.
The S11-M series fully sealed oil immersed power transformer by Chaotai Power is a masterpiece of engineering excellence, boasting low loss, minimal noise, and exceptional efficiency. This powerhouse not only achieves commendable energy-saving results but also plays a pivotal role in minimizing environmental pollution. Unlike conventional oil immersed transformers, the fully sealed design eliminates the need for an oil conservator. The oil volume variations are seamlessly managed by the elastic corrugated sheet of the oil tank, ensuring the transformer remains isolated from air exposure. This sophisticated isolation prevents oil degradation and insulation aging, significantly boosting operational reliability and negating the need for maintenance during normal operations.
1. Power Capacity: Our transformers range from 25-2500KVA, accommodating voltage levels of 24KV, 30KV, 33KV, 35KV, and 36KV, as well as custom specifications to meet diverse customer requirements. 2. Voltage Level: Choose from 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV to suit your needs. 3. Type of Voltage Regulation: Available in both Off-circuit and On-load variations, providing flexibility and precision.
4. Tapping Range: Offers dynamic adjustment options at ±5 %, ±2x2.5 %, and ±4x2.5 % for superior control.
5. Frequency: Operates seamlessly at both 50Hz and 60Hz, catering to global standards.
6. Phases: Available in both three-phase and single-phase configurations, adaptable to different requirements.
7. Connection Symbol: Configurable as Dyn11, Yyn0, or tailored to specific requests for optimal compatibility.
8. Short-Circuit Impedance: Engineered to provide standard impedance, ensuring safe and efficient operation.
9. Altitude: Designed for altitudes not exceeding 1000m with ambient temperatures up to 40°C. Should conditions exceed these specifications, we offer parameter adjustments in
accordance with established standards to maintain peak performance.
Power Capacity: Ranging from 25-2500KVA, our offerings cater to a wide spectrum of power demands.
Voltage Levels: Precision-engineered for 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, and beyond.
Voltage Level: Tailored solutions available for a multitude of voltage levels.
Type of Voltage Regulation: Choose between Off-circuit or On-load for tailored voltage management.
Tapping Range: Offers precise voltage adjustments with options at ±5 %, ±2x2.5 %, and ±4x2.5 %.
Frequency: Compatible with both 50Hz and 60Hz, ensuring global usability.
Phases: Versatile design available in three-phase or single-phase configurations.
Connection Symbol: Customizable to Dyn11, Yyn0, or as specified, ensuring seamless integration.
Short-Circuit Impedance: Complies with standard impedance specifications, guaranteeing operational safety.
Altitude and Temperature: Ideal for altitudes up to 1000m and temperatures not exceeding 40°C.
For conditions exceeding standard specifications, we adapt parameters to ensure compliance and optimal performance.
Chaotai Power's fully sealed oil immersed power transformer exemplifies innovation with its low loss, noise reduction, and outstanding efficiency, delivering significant energy savings and environmental benefits.
This transformer revolutionizes standard designs by eliminating the oil conservator, allowing oil volume to be dynamically adjusted via the corrugated oil tank's elasticity. Its isolated design from air exposure prevents oil deterioration and insulation aging, enhancing operational reliability and reducing maintenance needs during regular operation.
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 tall as a beacon of innovation and expertise in the electrical integration domain. As a cutting-edge enterprise, we proudly present a formidable R&D, production, and service team, boasting an impressive legacy of over 15 years of industry mastery.
Our product portfolio is a testament to our commitment to excellence, featuring an array of high-voltage solid-state soft starters, capacitor cabinets, and both high and low voltage switchgear. We also specialize in gas-insulated switchgear and substations. Our state-of-the-art solutions have found applications across a diversity of sectors, including energy and chemical industries, metal smelting, and electric power grids. Additionally, our products are integral to industrial manufacturing, educational and research institutions, medical and pharmaceutical sectors, municipal commerce, water conservation, hydropower, road traffic, as well as both commercial and residential areas.
Upholding a philosophy of relentless technological innovation and 'smart manufacturing,' we are dedicated to attracting top-tier technical talent, significantly boosting our core competencies. Our mission is to deliver unparalleled services to our clientele as we aspire to establish the best brand in the industry. From our humble beginnings, we have consistently advanced, moving from nonexistence to presence, and from presence to excellence. We prioritize innovation, adhering to a modern business model that thrives on quality, market orientation, reputation-driven development, and management-efficiency. Anchored in our principles of 'technology as the guide, standardized management, exemplary quality, and customer delight,' we aim to augment our market competitiveness. Our vision is to serve China's power and grid sectors with swiftness, strength, and elevated objectives. Integrity is our foundation, quality is our promise, service is our hallmark, and customer satisfaction is our everlasting tenet. We pursue excellence with boundless innovation, building a trustworthy brand as our steadfast aspiration. Your recognition fuels our journey. We extend our heartfelt gratitude to all our esteemed clients, and Zhejiang ChaoTai Complete Equipment Co., Ltd. eagerly anticipates partnering with you 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.
Audited Supplier 
){kind=link}