Product Description
Oil Immersed Series Transformer:
Introducing the S11-M series, a fully sealed oil-immersed power transformer from Chaotai Power designed for the future of energy efficiency. This remarkable transformer excels with its low loss, minimal noise, and high efficiency, delivering exceptional energy savings and reducing environmental impact. Unlike traditional transformers, this state-of-the-art model has eliminated the oil conservator. Instead, it dynamically adjusts and compensates oil volume changes through the elastic corrugated sheet of its innovative corrugated oil tank. Isolated from external air, this transformer greatly slows oil deterioration and insulation aging, enhancing operational reliability and eliminating the need for maintenance during normal operation.
1. Power Capacity: Ranges from 25 to 2500 KVA, supporting voltage levels of 24KV, 30KV, 33KV, 35KV, and 36KV, with customization available to meet specific customer requirements. 2. Voltage Level Options: 10KV, 11KV, 13.8KV, 15KV, 17.5KV, and 20KV, 22KV to cater to diverse application needs. 3. Type of Voltage Regulation: Available in both Off-circuit and On-load options for enhanced adaptability.
4. Tapping Range: Configurable options of ±5 %, 2x2.5 %, and ±4x2.5 % to ensure precise power management.
5. Frequency: Operable at both 50Hz and 60Hz, offering flexibility for international applications.
6. Phases: Designed for both three-phase and single-phase configurations to suit varied installation requirements.
7. Connection Symbol: Dyn11, Yyn0 (customization available upon request to fit specific needs).
8. Short-circuit Impedance: Adheres to standard impedance guidelines to ensure optimal performance and safety.
9. Altitude Adaptability: Designed for altitudes not exceeding 1000m and ambient temperatures not exceeding 40°C. If conditions exceed these parameters, we will adjust according to standards.
In cases where standard conditions are exceeded, we assure parameter adjustments complying with standard guidelines to maintain performance integrity.
Power Capacity: Versatile range from 25 to 2500 KVA, engineered for diverse power distribution needs.
Voltage Levels Offered: 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV.
Voltage Level: Available in a wide array of options to meet varied energy demands.
Type of Voltage Regulation: Choose from Off-circuit or On-load, ensuring adaptability and precision control.
Tapping Range: Featuring configurable settings of ±5%, ±2x2.5%, and ±4x2.5% for precise energy management.
Frequency: Compatible with 50Hz and 60Hz, catering to global energy standards.
Phases: Available in both three-phase and single-phase configurations to address diverse infrastructural setups.
Connection Symbol: Standard configurations Dyn11, Yyn0, with bespoke options available on request.
Short-circuit Impedance: Conforms to standard impedance specifications to ensure stable operation.
Altitude and Temperature Tolerance: Functions optimally at altitudes not exceeding 1000m and temperatures not surpassing 40°C.
Should environmental conditions exceed these parameters, necessary modifications will be made to align with established standards.
The fully sealed oil-immersed power transformer from Chaotai Power stands out with its low loss, low noise, and exceptional efficiency, creating impressive energy savings and reducing environmental impact.
This innovative transformer, devoid of an oil conservator, features automatic oil volume adjustment through its corrugated sheet design. It remains isolated from air, significantly slowing oil deterioration and insulation aging, thereby boosting operational reliability and negating the need for maintenance under normal 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 electrical integration arena. As a cutting-edge high-tech enterprise, we proudly boast a professional R&D, production, and service team that carries a legacy of over 15 remarkable years in the industry.
Our exceptional portfolio showcases an array of pivotal products: high-voltage solid-state soft starters, capacitor cabinets, cutting-edge high and low voltage switchgear, advanced gas-insulated switchgear, and efficient substations. These products serve as the backbone in a myriad of sectors, including energy and chemical industries, metal smelting, electric power grids, industrial manufacturing, prestigious universities and research institutions, innovative medical and pharmaceutical sectors, dynamic municipal commerce, crucial water conservancy and hydropower, seamless road traffic, and thriving commercial and residential areas.
Our guiding philosophy is rooted in relentless technological innovation and our visionary 'smart manufacturing' approach. We are dedicated to elevating core competencies by welcoming high-caliber technical talents, ensuring the delivery of unparalleled value to our esteemed clients, and ultimately crafting the industry's leading brand. Since our inception, we have charted a remarkable growth trajectory, transforming from inception to excellence. We champion innovation, embracing a modern business model that thrives on quality, market focus, reputation, and proficient management. Our unwavering commitment to 'technology as the guide, standardized management, excellence in quality, and customer satisfaction' underpins our strategy to enhance market competitiveness and serve China's power and grid sectors with agility and ambition. At the heart of our ethos lies integrity, premium quality, exceptional service, and unwavering customer satisfaction. Our pursuit of excellence, continual innovation, and a steadfast commitment to building a respected brand define our developmental aspirations. With your valuable endorsement, we gain momentum. We extend heartfelt gratitude to our loyal customers, both new and longstanding, and eagerly anticipate collaborating with you to craft 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.
Audited Supplier 
){kind=link}