Product Description
Oil Immersed Series Transformer:
Introducing the revolutionary S11-M series fully sealed oil-immersed power transformer, meticulously crafted by Zhejiang Chaotai Complete Equipment Co., Ltd. This remarkable transformer stands out with its outstanding qualities such as incredibly low energy loss, whisper-quiet operation, and unparalleled efficiency. It is a beacon of energy conservation, dramatically reducing pollution and minimizing environmental footprint. Unlike traditional oil-immersed transformers, this state-of-the-art model does away with the need for an oil conservator. The ingenious flexibility of the corrugated oil tank allows it to autonomously manage oil volume changes, maintaining a flawlessly sealed environment that protects the transformer from air exposure. This transformative feature effectively prevents oil degradation, significantly extends the insulation lifespan, and greatly enhances operational reliability—all without demanding routine maintenance during standard operation.
1. Power Capacity: Offered from 25-2500KVA, with voltage options of 24KV, 30KV, 33KV, 35KV, 36KV, and additional customization available to cater to specific customer requirements 2. Voltage Level: Available in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Provides options for both Off-circuit and On-load regulation
4. Tapping Range: Options include ±5%, 2x2.5%, ±4x2.5% for precise voltage control
5. Frequency: Offers choices between 50Hz or 60Hz to suit various applications
6. Phases: Available in both Three-phase and single-phase configurations for flexibility
7. Connection Symbol: Standard options include Dyn11, Yyn0, with full customization available to meet your unique specifications
8. Short-circuit Impedance: Equipped with Standard Impedance for reliable performance
9. Operational Conditions: Engineered for altitudes not exceeding 1000m, and ambient temperatures below 40°C. If these parameters are exceeded, we will adjust accordingly following standard protocols.
All adjustments will strictly conform to industry standards.
Power Capacity: Spanning a range between 25-2500KVA to meet diverse power requirements
Voltage Levels: Available options include 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Options for Off-circuit or On-load regulation to meet operational needs
Tapping Range: Offers choices such as ±5%, ±2x2.5%, ±4x2.5% for optimal performance
Frequency Options: Available in 50Hz or 60Hz to accommodate different system requirements
Phases: Configurable in both Three-phase or single-phase to suit application needs
Connection Symbol: Standard offerings include Dyn11, Yyn0, customizable upon request
Short-circuit Impedance: Comes standard with industry-approved Impedance
Operational Conditions: Suitable for altitudes up to 1000m and ambient temperatures up to 40°C
Should operational conditions vary from the norm, we will implement necessary parameter adjustments, ensuring adherence to standard guidelines.
The fully sealed oil-immersed power transformer, a pinnacle of innovation by Chaotai Power, stands out with exceptionally low energy loss, quiet operation, and superior efficiency. It is an outstanding energy-saving solution that deeply cuts down on pollution.
Unlike conventional oil-immersed transformers, this fully sealed design eliminates the requirement for an oil conservator. It expertly manages oil volume changes through the elastic properties of the corrugated oil tank sheet, ensuring the transformer remains shielded from air exposure. This crucial feature not only prevents oil deterioration and delays insulation aging but also substantially boosts reliability, removing the need for regular 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. stands as a beacon of technological brilliance in the ever-evolving realm of electrical integration. Recognized as a distinguished high-tech enterprise, we proudly present our dedicated R&D, production, and service teams, fortified by over 15 years of invaluable industry expertise. Our relentless pursuit of unparalleled excellence sets us apart as a leader in innovation.
Our diverse and expansive product portfolio showcases cutting-edge innovations, including high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These exceptional products are indispensable across an array of sectors such as energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic, enhancing their relevance in both commercial and residential applications. We are proud to be at the forefront, empowering the world with our groundbreaking solutions.
Guided by a philosophy of relentless technological progress and 'smart manufacturing,' we are passionately dedicated to fostering a culture of excellence through the integration of top-tier technical talents. This strategic focus amplifies our core strengths, ensuring unparalleled service value for our clients. Our remarkable growth journey is a testament to our ethos: evolving from inception to industry leadership through steadfast dedication. Innovation fuels our business strategy, with quality as the cornerstone of our survival, market reputation as the key to development, and management efficiency as the catalyst for profitability. We are committed to leveraging 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the foundation of our quality and talent management initiatives. Our strategic vision enhances our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations soaring to new heights. Core values of integrity, unmatched quality, exceptional service, and customer satisfaction drive us. We relentlessly pursue excellence, ceaselessly innovating to build a brand synonymous with trust. The acknowledgment of our customers fuels our ambition. We extend our heartfelt gratitude to our loyal customers, both new and longstanding, and warmly invite you to join us at Senhang Technology on a journey toward 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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