Product Description
Oil Immersed Series Transformer:
Introducing the S11-M series fully sealed oil-immersed power transformer, a marvel of engineering from Zhejiang Chaotai Complete Equipment Co., Ltd. This exceptional transformer stands out for its ultra-low energy loss, ultra-quiet operation, and unmatched efficiency. It's a trailblazer in energy conservation, remarkably reducing pollution and shrinking environmental impacts. Unlike conventional models, this cutting-edge transformer eliminates the need for an oil conservator. The ingenious design of the corrugated oil tank allows it to self-adjust for oil volume fluctuations, maintaining a perfectly sealed environment that shields the transformer from air exposure. This groundbreaking feature effectively prevents oil degradation, significantly prolongs insulation material lifespan, and enhances operational reliability—all while demanding no routine maintenance under normal operating conditions.
1. Power Capacity: Offering a range from 25-2500KVA, with adaptable options such as 24KV, 30KV, 33KV, 35KV, 36KV, and bespoke configurations to meet specific customer needs. 2. Voltage Level: Available in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV, providing a variety of choices. 3. Type of Voltage Regulation: Equipped with both Off-circuit and On-load options for versatile adaptability.
4. Tapping Range: Offers a choice among ±5%, 2x2.5%, or ±4x2.5% to accommodate diverse power demands.
5. Frequency: Available in both 50Hz and 60Hz, meeting different regional specifications.
6. Phases: Offered in both Three-phase and single-phase models to cater to various applications.
7. Connection Symbol: Choose from standard options like Dyn11, Yyn0, or customize to your unique specifications effortlessly.
8. Short-circuit Impedance: Features Standard Impedance for consistent and reliable performance.
9. Operational Conditions: Expertly engineered for altitudes up to 1000m and ambient temperatures below 40°C. If these conditions vary, modifications will be made according to standard protocols.
All adjustments will strictly adhere to industry standards, ensuring peak performance and reliability.
Power Capacity: Spanning from 25-2500KVA, designed to meet a variety of energy needs.
Voltage Levels: Providing choices in 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, for extensive flexibility.
Voltage Level Overview:
Type of Voltage Regulation: Available in both Off-circuit and On-load variants for flexible control.
Tapping Range: Offers options like ±5%, ±2x2.5%, ±4x2.5% to fit specific requirements.
Frequency Options: Available in 50Hz or 60Hz to comply with local standards.
Phases: Offered in both Three-phase and single-phase for a broad range of applications.
Connection Symbol: Standard options include Dyn11, Yyn0, with fully customizable configurations available.
Short-circuit Impedance: Incorporates Standard Impedance for dependable operational performance.
Operational Conditions: Engineered for optimal functionality at altitudes not surpassing 1000m and temperatures below 40°C.
If operational conditions deviate, suitable parameter adjustments will be executed in line with standard guidelines.
The fully sealed oil-immersed power transformer, a testament to Chaotai Power's innovative excellence, excels with remarkably low energy loss, silent operation, and superior efficiency. It is a powerful energy-saving solution that substantially reduces environmental impact.
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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 proud as a beacon of technological mastery within the ever-evolving domain of electrical integration. As a distinguished high-tech enterprise, we are fortified by an elite team dedicated to research, development, production, and service, with an impressive track record of over 15 years in the industry. Our unwavering pursuit of exceptional excellence establishes us as true pioneers of innovation.
Our vast and diverse product lineup showcases cutting-edge innovations, featuring high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These superior products are indispensable across a myriad of sectors, including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic systems. They extend their usability to both commercial and residential spheres, empowering the future with our revolutionary solutions and redefining industry standards.
Propelled by a philosophy of relentless technological evolution and 'smart manufacturing,' we earnestly commit to fostering a culture of excellence by integrating top-tier technical talents. This strategic focus elevates our core capabilities, ensuring we consistently deliver unparalleled service value to our clients. Our remarkable growth journey stands as a testament to our ethos: evolving from inception to industry leadership through steadfast dedication. Innovation anchors our business strategy, with unwavering commitment to quality as the foundation of our survival, market reputation as our path to growth, and management efficiency as the catalyst for profitability. Our devotion to harnessing 'technology as the guide, standardized management, superior quality, and customer satisfaction' forms the pillars of our quality and talent management endeavors. Our strategic vision seeks to elevate our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that soar to new heights. Integrity, unmatched quality, exceptional service, and customer satisfaction are our core values. We persistently strive for excellence, ceaselessly innovating to establish a brand synonymous with trust. The appreciation from our customers fuels our ambition, and we wholeheartedly express our deepest gratitude to our loyal customers, both new and longstanding. We warmly invite you to join us in a shared journey with Senhang Technology towards 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.
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