Product Description
Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer, proudly engineered by Zhejiang Chaotai Complete Equipment Co., Ltd. This extraordinary transformer is distinguished by its superior features of low energy loss, whisper-quiet operation, and unparalleled efficiency. It is the epitome of an energy-saving champion, dramatically minimizing environmental pollution and impact. Setting itself apart from traditional oil-immersed transformers, this cutting-edge model eradicates the necessity of an oil conservator. Ingeniously designed, it autonomously harmonizes and compensates for oil volume fluctuations using the elasticity of the corrugated oil tank, effectively sealing the transformer against air exposure. This ingenious feature not only prevents oil degradation and slows insulation aging but also dramatically enhances operational reliability—all while nullifying the need for maintenance during typical operations.
1. Power Capacity: 25-2500KVA, 24KV, 30KV, 33KV, 35KV, 36KV, and customizable to meet specific customer requirements 2. Voltage Level: 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Off-circuit or On-load
4. Tapping Range: ±5%, 2x2.5%, ±4x2.5%
5. Frequency: 50Hz or 60Hz
6. Phases: Three-phase or single-phase
7. Connection Symbol: Dyn11, Yyn0 (customizable as per need)
8. Short-circuit Impedance: Standard Impedance
9. Operational Conditions: Suitable for altitudes not exceeding 1000m and ambient temperatures below 40°C. If these conditions are not met, parameter adjustments will be executed according to standard protocols.
All adjustments will strictly adhere to industry standards.
Power Capacity: 25-2500KVA
Voltage Levels: 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Off-circuit or On-load
Tapping Range: ±5%, ±2x2.5%, ±4x2.5%
Frequency Options: 50Hz or 60Hz
Phases: Three-phase or single-phase
Connection Symbol: Dyn11, Yyn0 (can be customized as requested)
Short-circuit Impedance: Standard Impedance
Operational Conditions: Suitable for altitudes not exceeding 1000m, and ambient temperatures not exceeding 40°C
Should operational conditions deviate, we will implement necessary parameter adjustments in compliance with standard guidelines.
The fully sealed oil-immersed power transformer, a pinnacle of innovation by Chaotai Power, shines with low energy loss, quiet operation, and high efficiency. It represents an outstanding energy-saving solution that significantly reduces pollution.
Contrary to traditional oil-immersed transformers, this fully sealed marvel eliminates the oil conservator. It autonomously manages oil volume fluctuations through the elasticity of the corrugated oil tank sheet, ensuring the transformer remains air-isolated. This critical feature not only prevents oil degradation and insulation aging but also significantly boosts reliability and eliminates 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. is a shining beacon of technological excellence in the world of electrical integration. As a prestigious high-tech enterprise, we proudly host a dedicated team specializing in R&D, production, and service, bolstered by an impressive 15+ years of invaluable industry experience. Our relentless pursuit of perfection positions us as a trailblazer in innovation, consistently pushing the boundaries of what's possible.
Our extensive product portfolio is a testament to our commitment to innovation, featuring state-of-the-art solutions such as high-voltage solid-state soft starters, capacitor cabinets, sophisticated high and low voltage switchgear, advanced gas-insulated switchgear, and comprehensive substations. These products have become indispensable across a vast range of sectors, including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. Our transformative solutions are proudly powering both commercial and residential applications, fueling the future of industries.
Rooted in our philosophy of relentless technological innovation and 'smart manufacturing,' we are dedicated to nurturing a culture of excellence by integrating top-tier technical talents. This strategic focus enhances our core competencies, ensuring that we consistently deliver exceptional service value to our clients. Our growth narrative is a testament to our ethos: from inception to industry leadership through unwavering dedication. Anchored in innovation, our business strategy embraces quality as the cornerstone of our survival, market reputation as the gateway to development, and management efficiency as the catalyst for profitability. We promise to leverage 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the foundation of our quality and talent management initiatives. Our strategic vision is to amplify our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that soar higher, reach farther, and grow stronger. Integrity, unmatched quality, exceptional service, and customer satisfaction are our core values. We are indefatigable in our quest for excellence, perpetually innovating to establish a brand synonymous with trust and reliability. The recognition from our customers fuels our drive. We extend our deepest gratitude to our loyal customers, both new and longstanding, welcoming you to join Senhang Technology on a shared 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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