Product Description
Oil Immersed Series Transformer:
Introducing the revolutionary S11-M series fully sealed oil-immersed power transformer, meticulously designed and expertly manufactured 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. is an epitome of technological excellence in the dynamic field of electrical integration. As a prominent high-tech enterprise, we proudly showcase a highly skilled R&D, production, and service team, strengthened by over 15 years of invaluable industry expertise. Our unwavering commitment to achieving unparalleled excellence distinguishes us as a trailblazer in innovation.
Our extensive and diverse product portfolio features state-of-the-art innovations, including high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These exceptional products have become essential across numerous sectors such as energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic, extending their utility to both commercial and residential applications. We take immense pride in empowering the future with our groundbreaking solutions.
Rooted in a philosophy of relentless technological advancement and 'smart manufacturing,' we are wholeheartedly committed to nurturing a culture of excellence through the integration of top-tier technical talents. This strategic approach boosts our core strengths, ensuring we consistently deliver unmatched service value to our clients. Our remarkable journey of growth is a tribute to our ethos: transforming from inception to industry leadership through unwavering dedication. Our business strategy is firmly anchored in innovation, with an unwavering commitment to quality as the bedrock of our survival, market reputation as the pathway to development, and management efficiency as the driver of profitability. We are dedicated to leveraging 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the cornerstones of our quality and talent management initiatives. Our strategic vision is to enhance our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that reach new heights. Integrity, unmatched quality, exceptional service, and customer satisfaction form the core of our values. We persistently strive for excellence, continuously innovating to establish a brand that is synonymous with trust. The appreciation of our customers propels our ambition. We express our deepest gratitude to our loyal customers, both new and longstanding, and warmly invite you to embark on 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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