Product Description
Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer, meticulously crafted by Zhejiang Chaotai Complete Equipment Co., Ltd. This extraordinary transformer distinguishes itself with outstanding features such as remarkably low energy loss, whisper-quiet operation, and unmatched efficiency. It stands as a paragon of energy conservation, drastically slashing pollution and minimizing environmental impact. Diverging from traditional oil-immersed transformers, this cutting-edge model eliminates the necessity for an oil conservator. Through the ingenious elasticity of the corrugated oil tank, it autonomously regulates and compensates for oil volume fluctuations, maintaining a perfectly sealed environment that shields the transformer from air exposure. This transformative feature effectively prevents oil degradation, significantly prolongs insulation lifespan, and substantially boosts operational reliability—all without requiring routine maintenance during standard usage.
1. Power Capacity: Ranging from 25-2500KVA, with options for 24KV, 30KV, 33KV, 35KV, 36KV, and further customization available to meet specific customer needs 2. Voltage Level: Available in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Offers both Off-circuit and On-load options
4. Tapping Range: Choose from ±5%, 2x2.5%, ±4x2.5%
5. Frequency: Options for either 50Hz or 60Hz
6. Phases: Available in Three-phase or single-phase configurations
7. Connection Symbol: Dyn11, Yyn0 (or fully customizable to fit your specifications)
8. Short-circuit Impedance: Features Standard Impedance
9. Operational Conditions: Designed for altitudes not exceeding 1000m, and ambient temperatures below 40°C. Should these conditions not be met, we will make necessary parameter adjustments in line with standard protocols.
All adjustments will strictly adhere to industry standards.
Power Capacity: Ranging between 25-2500KVA
Voltage Levels: Choose from 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Available in Off-circuit or On-load options
Tapping Range: Options include ±5%, ±2x2.5%, ±4x2.5%
Frequency Options: Select from 50Hz or 60Hz
Phases: Available in Three-phase or single-phase
Connection Symbol: Dyn11, Yyn0 (customizable on request)
Short-circuit Impedance: Comes with Standard Impedance
Operational Conditions: Suitable for altitudes not exceeding 1000m, with ambient temperatures not exceeding 40°C
Should conditions deviate from the norm, necessary parameter adjustments will be implemented, adhering to standard guidelines.
The fully sealed oil-immersed power transformer, a masterpiece of innovation by Chaotai Power, excels with exceptionally low energy loss, silent operation, and superior efficiency. It serves as an exceptional energy-saving solution that profoundly reduces pollution.
Unlike conventional oil-immersed transformers, this fully sealed design forgoes the need for an oil conservator. It expertly manages oil volume changes through the elastic capabilities of the corrugated oil tank sheet, ensuring the transformer remains insulated from air. This critical feature not only prevents oil deterioration and delays insulation aging but also significantly enhances reliability, eliminating the necessity 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 advancement in the rapidly evolving domain of electrical integration. Celebrated as a distinguished high-tech enterprise, we are fortified by our dynamic R&D, production, and service teams, boasting over 15 years of invaluable industry expertise. Our relentless pursuit of exceptional quality and innovation sets us apart as pioneers, driving our commitment to excellence.
Our comprehensive and versatile product portfolio showcases cutting-edge innovations, featuring high-voltage solid-state soft starters, capacitor cabinets, and a wide array of high and low voltage switchgear, including gas-insulated variants and substations. These remarkable products are indispensable across an extensive range of industries, from energy and chemical sectors to metal smelting, electric power grids, and beyond. They have become vital assets in academia, healthcare, municipal commerce, water management, hydropower, and road traffic systems. Our solutions empower both commercial and residential environments, fueling future progress with ingenuity and advanced technology.
Dedicated to a philosophy of unyielding technological progress and 'smart manufacturing,' we are resolute in fostering a culture of excellence, integrating top-tier technical talent to amplify our core competencies. This strategic direction ensures that we consistently deliver unparalleled service value to our clientele. Our extraordinary growth story is a testament to our ethos: evolving from a nascent company to a leader in the industry, driven by steadfast dedication. Our business strategy is rooted in innovation, with an enduring focus on quality as our foundation for survival, market reputation as the catalyst for development, and management efficiency as the engine of profit. We are passionate about leveraging 'technology as our guide, standardized management, superior quality, and absolute customer satisfaction' as the pillars of our quality and talent management endeavors. Our strategic vision aims to elevate our market competitiveness, serving China's electric power and grid transmission sectors with aspirations to reach new zeniths. Integrity, uncompromising quality, exceptional service, and customer satisfaction are the core of our values. We continually strive for excellence, persistently innovating to build a brand synonymous with trust. The appreciation of our customers drives our ambition, and we express profound gratitude to our loyal customers, both new and long-standing. We warmly invite you to join us on a shared journey towards a brighter future 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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