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. Experience the future of power transformation with this extraordinary model that stands out for its remarkably low energy loss, whisper-quiet operation, and exceptional efficiency. This transformer is a beacon of energy conservation, dramatically reducing pollution and minimizing environmental footprint. Unlike conventional oil-immersed models, this state-of-the-art design removes the need for an oil conservator. Thanks to the ingenious elasticity of the corrugated oil tank, it autonomously regulates and compensates for oil volume fluctuations, ensuring a perfectly sealed environment that protects the transformer from air exposure. This innovation effectively prevents oil degradation, significantly extends insulation lifespan, and substantially enhances operational reliability—all without the need for routine maintenance under standard operational conditions.
1. Power Capacity: Delight in a range from 25-2500KVA, with configurations available for 24KV, 30KV, 33KV, 35KV, 36KV, and customizable solutions tailored to specific customer needs 2. Voltage Level: Offering availability in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Choose from Off-circuit and On-load options to suit your requirements
4. Tapping Range: Select from options like ±5%, 2x2.5%, ±4x2.5%
5. Frequency: Tailor your choice with options for either 50Hz or 60Hz
6. Phases: Available in versatile Three-phase or single-phase configurations
7. Connection Symbol: Choose from Dyn11, Yyn0, or fully customize to your specifications
8. Short-circuit Impedance: Features Standard Impedance for reliable performance
9. Operational Conditions: Engineered for altitudes not exceeding 1000m, alongside ambient temperatures below 40°C. If these conditions are not met, we will execute necessary parameter adjustments in accordance with standard protocols.
All adjustments will be carried out with strict adherence to industry standards.
Power Capacity: Enjoy a range between 25-2500KVA
Voltage Levels: An array of options including 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Offers choices of Off-circuit or On-load options
Tapping Range: Includes options such as ±5%, ±2x2.5%, ±4x2.5%
Frequency Options: Selectable between 50Hz or 60Hz
Phases: Available as Three-phase or single-phase
Connection Symbol: Opt for Dyn11, Yyn0, with customization available on request
Short-circuit Impedance: Comes equipped with Standard Impedance
Operational Conditions: Suitable for altitudes not exceeding 1000m, with ambient temperatures not surpassing 40°C
If conditions deviate from the norm, necessary parameter adjustments will be implemented, following standard guidelines.
The fully sealed oil-immersed power transformer, a masterpiece from Chaotai Power, shines with extraordinarily low energy loss, silent operation, and superior efficiency, heralding a new era in energy-saving solutions while significantly reducing pollution.
In stark contrast to traditional oil-immersed transformers, this innovative fully sealed design eliminates the need for an oil conservator. By expertly managing oil volume changes through the elastic capabilities of the corrugated oil tank sheet, the transformer remains insulated from air exposure. This critical feature not only prevents oil deterioration and delays insulation aging but also dramatically enhances 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. embodies the pinnacle of innovation and excellence in the ever-evolving realm of electrical integration. As a distinguished high-tech enterprise, we proudly present a team of highly skilled professionals in R&D, production, and service, all fortified by over 15 years of invaluable industry experience. Our steadfast commitment to achieving peerless excellence sets us apart as a leader in groundbreaking innovation.
Our expansive and diverse product portfolio boasts cutting-edge innovations like high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These exceptional products are indispensable across various sectors, including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. They extend their indispensable utility to both commercial and residential applications. We take immense pride in empowering the future with our revolutionary solutions.
With a foundation built on relentless technological advancement and 'smart manufacturing,' we are dedicated to fostering a culture of excellence by integrating top-tier technical talent. This strategic focus enhances our core strengths, ensuring we consistently deliver unmatched service value to our clients. Our extraordinary journey from inception to industry leadership is a testament to our ethos of unwavering dedication. Anchored in innovation, our business strategy emphasizes quality as our survival bedrock, market reputation as our development pathway, and management efficiency as our profitability driver. We commit to 'technology as the guide,' standardized management, superior quality, and customer satisfaction as the cornerstones of our quality and talent initiatives. Our strategic vision is to amplify our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that continually reach new summits. Integrity, unmatched quality, exceptional service, and customer satisfaction are the core of our values. We relentlessly strive for excellence, continuously innovating to establish a brand synonymous with trust. The appreciation of our customers fuels our ambition. We express our deepest gratitude to our loyal customers, both new and longstanding, and warmly invite you to join us in a shared journey towards a brighter tomorrow with Senhang Technology.
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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