Product Description
Oil Immersed Series Transformer:
Introducing the magnificent S11-M series fully sealed oil-immersed power transformer, a masterpiece from Zhejiang Chaotai Complete Equipment Co., Ltd. Distinguished by its extraordinary features, this transformer offers unparalleled low energy loss, whisper-quiet operation, and superior efficiency. It represents the epitome of an energy-saving solution, dramatically minimizing environmental pollution. Unlike traditional models, this cutting-edge transformer does away with the oil conservator. Its innovative design autonomously adjusts oil volume fluctuations via the corrugated oil tank's elasticity, maintaining a perfect seal against air exposure. This pioneering feature not only prevents oil deterioration and slows insulation aging but also significantly enhances operational reliability—all while requiring no maintenance during regular use.
1. Power Capacity: Range from 25-2500KVA, with voltage options of 24KV, 30KV, 33KV, 35KV, 36KV, and customizable to meet specific customer needs 2. Voltage Level: Options available include 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, and 22KV 3. Type of Voltage Regulation: Available in Off-circuit or On-load variants
4. Tapping Range: Options include ±5%, 2x2.5%, and ±4x2.5%
5. Frequency: Compatible with both 50Hz or 60Hz
6. Phases: Available in Three-phase or single-phase configurations
7. Connection Symbol: Options include Dyn11, Yyn0, and customizable to suit specific requirements
8. Short-circuit Impedance: Designed with Standard Impedance
9. Operational Conditions: Works efficiently at altitudes not exceeding 1000m and ambient temperatures below 40°C. Should these conditions not be met, parameter adjustments will be made in alignment with standard protocols.
All necessary adjustments will strictly adhere to rigorous industry standards.
Power Capacity: Ranging from 25-2500KVA
Voltage Levels: Versatile options including 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Available as Off-circuit or On-load
Tapping Range: Offering ±5%, ±2x2.5%, and ±4x2.5%
Frequency Options: Can be configured for 50Hz or 60Hz
Phases: Configurable as Three-phase or single-phase
Connection Symbol: Comes as Dyn11, Yyn0, with customization available upon request
Short-circuit Impedance: Ensures Standard Impedance
Operational Conditions: Designed for altitudes not exceeding 1000m and temperatures not exceeding 40°C
If operational conditions deviate, we will perform the necessary parameter adjustments in strict adherence to standard guidelines.
This fully sealed oil-immersed power transformer, an innovation by Chaotai Power, stands out for its low energy loss, silent operation, and exceptional efficiency. It provides a top-tier energy-saving solution that effectively reduces pollution.
Contrasting with conventional oil-immersed transformers, this fully sealed model eliminates the oil conservator. It adeptly manages oil volume changes through the elasticity of the corrugated oil tank sheet, maintaining the transformer's isolation from air. This crucial feature not only prevents oil degradation and insulation wear but also elevates reliability and removes the need for routine 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. is a symbol of technological excellence in the electrical integration industry. As a prestigious high-tech enterprise, we are proud to offer an elite team dedicated to Research & Development, production, and service. With over 15 years of invaluable industry experience, our unwavering pursuit of excellence cements our position as a pioneer in innovation and technological advancement.
Our extensive product range showcases state-of-the-art innovations, including high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, and gas-insulated switchgear, along with comprehensive substation solutions. These products have become essential across a wide spectrum of sectors such as energy, chemical industries, metal smelting, and electric power grids. They also serve industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, road traffic, and both commercial and residential applications. We take pride in empowering the future with our groundbreaking solutions, driving progress across various industries.
Firmly rooted in a philosophy of relentless technological advancement and 'smart manufacturing,' we commit to nurturing a culture of excellence by integrating top-tier technical talent. This strategic focus enhances our core strengths, ensuring we deliver exceptional service value to our clients. Our growth narrative is a testament to our dedication: from inception to industry leadership, driven by unyielding commitment. Anchored in innovation, our business strategy prioritizes quality as the foundation for survival, reputation as the path to development, and management efficiency as the key to profitability. We pledge to leverage 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the cornerstones of our quality and talent management initiatives. Our strategic vision aims to elevate market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations reaching higher, faster, and stronger. Integrity, unparalleled quality, exceptional service, and customer satisfaction are our core values. We continuously strive for excellence, persistently innovating to establish a brand synonymous with trust and reliability. The trust of our customers inspires our ambition. We extend heartfelt gratitude to our loyal customers, both new and longstanding, and warmly invite you to join Senhang Technology on a collaborative journey towards 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.
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