Product Description
Oil Immersed Series Transformer:
Introducing the S11-M series, a marvel of engineering and innovation by Chaotai Power—our fully sealed oil-immersed power transformer. This exceptional piece of technology boasts low loss, whisper-quiet operation, and superior efficiency. Experience remarkable energy savings and contribute to pollution reduction. Unlike traditional oil-immersed transformers, this fully sealed version eliminates the need for an oil conservator. The oil volume adapts seamlessly, thanks to the flexible corrugated oil tank, managing changes effortlessly. Completely isolated from air exposure, it significantly slows oil degradation and insulation aging, enhancing reliability and minimizing maintenance during normal operation.
1. Power Capacity: A versatile range from 25-2500KVA, adaptable to 24KV, 30KV, 33KV, 35KV, 36KV, and customizable to meet every client’s unique requirements.
4. Tapping Range: Customizable at ±5% with detailed 2x2.5% ±4x2.5% options.
5. Frequency: Choose between 50Hz or 60Hz to fit your precise needs.
6. Phases: Available in both three-phase and single-phase options.
7. Connection Symbol: Configurable to Dyn11 or Yyn0, or tailored as requested.
8. Short-Circuit Impedance: Engineered to standard impedance for optimal performance.
9. Altitude: Suitable for locations up to 1000m, with an ambient temperature not exceeding 40°C. Should these conditions be unmet, rest assured we will adjust parameters to align with standard guidelines.
Our commitment is to match or adjust specifications meticulously to ensure top-tier performance, even if environmental conditions vary.
Power Capacity: From a compact 25KVA to a robust 2500KVA solution, ensuring flexibility and adaptability for diverse applications.
Voltage Levels: The transformer offers multiple voltage levels from 10KV up to 36KV, promising a wide spectrum of power solutions.
Voltage Level:
Type of Voltage Regulation: Choose between off-circuit or on-load regulation for precision control over your power needs.
Tapping Range: Fine-tune your operations with a precise tapping range of ±5% ±2x2.5% ±4x2.5%.
Frequency: Select from industry-standard 50Hz or 60Hz frequencies to perfectly suit your requirements.
Phases: Available in versatile three-phase or single-phase configurations, catering to diverse electrical frameworks.
Connection Symbol: Dyn11, Yyn0 options, or customized as requested, ensuring seamless integration into your system.
Short-Circuit Impedance: Engineered to standard impedance specifications, guaranteeing reliable and efficient operation.
Altitude: Optimal performance up to 1000m elevation, with ambient temperatures not exceeding 40°C.
Should you require adjustments due to environmental conditions, we are committed to refining parameters to meet standard expectations.
Chaotai Power proudly presents its fully sealed oil-immersed power transformer—an epitome of low loss, minimal noise, and unparalleled efficiency, offering significant energy savings and reducing environmental impact.
Our fully sealed transformer outshines ordinary models by eliminating the oil conservator, with oil volume adjustments handled by the innovative corrugated oil tank. This isolation from air dramatically slows down oil deterioration and insulation aging, elevating operational reliability and reducing maintenance needs in typical usage scenarios.
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 leading high-tech enterprise dedicated to advancing the field of electrical integration. With an exceptional team specializing in research and development, production, and customer service, we proudly boast over 15 years of industry expertise. Our commitment to innovation propels us forward as pioneers in the industry.
We proudly offer an extensive range of high-performance products, including high-voltage solid-state soft starters, advanced capacitor cabinets, versatile high and low voltage switchgear, sophisticated gas-insulated switchgear, and reliable substations. Our solutions are trusted across a spectrum of applications, from energy and chemical industries to metal smelting, from dynamic electric power grids to innovative industrial manufacturing. We support universities, research institutions, and contribute to the medical and pharmaceutical sectors, municipal commerce, water conservancy, and hydropower projects. Our products are integral to road traffic systems and enhance both commercial and residential environments.
Driven by a philosophy of 'smart manufacturing,' we embrace technological innovation to enhance our core competencies and provide unparalleled value to our customers. Our journey from inception to excellence is marked by relentless progress, fueled by a modern business ethos of quality-driven survival, reputation-led development, and efficiency-oriented management. Our unwavering commitment to 'technology as our guide, standardized excellence, superior quality, and ultimate customer satisfaction' is the cornerstone of our operations. We aim to elevate the competitiveness of our brand in the market, particularly serving China's electric power and grid transmission and distribution sectors with increasingly ambitious goals. Our foundation rests on integrity, with quality as our hallmark and service as our pledge. Customer satisfaction is our eternal pursuit. As we strive for excellence and continuous innovation, building a trusted brand remains our steadfast goal. Your recognition fuels our passion. We express heartfelt gratitude to our loyal and new customers for their continued support and affection. Senhang Technology eagerly anticipates forging a bright future together, hand in hand with you.
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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