Product Description
Oil Immersed Series Transformer:
Introducing the cutting-edge S11-M series fully sealed oil-immersed power transformer, meticulously engineered by Zhejiang Chaotai Complete Equipment Co., Ltd. This exceptional transformer is renowned for its outstanding features, including ultra-low energy loss, whisper-quiet operation, and unparalleled efficiency. It represents a paradigm shift in energy-saving solutions, dramatically reducing environmental pollution and impact. Distinct from conventional oil-immersed transformers, this state-of-the-art model forgoes the traditional oil conservator. Its innovative design autonomously regulates and compensates for oil volume fluctuations via the flexible corrugated oil tank, ensuring complete air isolation. This groundbreaking feature averts oil deterioration, slows down insulation aging, and significantly amplifies operational reliability, all while eliminating routine maintenance during standard operations.
1. Power Capacity: Ranging from 25 to 2500KVA, offering options of 24KV, 30KV, 33KV, 35KV, and 36KV, with further customization available to meet individual customer specifications 2. Voltage Level: Operational flexibility with levels at 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, and 22KV 3. Type of Voltage Regulation: Available in both Off-circuit and On-load configurations
4. Tapping Range: Provides variability with options of ±5%, 2x2.5%, and ±4x2.5% for optimal performance
5. Frequency: Adaptable to both 50Hz and 60Hz settings
6. Phases: Available in both three-phase and single-phase configurations to suit diverse requirements
7. Connection Symbol: Configurable as Dyn11, Yyn0, or customized configurations based on specific needs
8. Short-circuit Impedance: Designed with a Standard Impedance for reliable operation
9. Operational Conditions: Engineered for altitudes not surpassing 1000m and ambient temperatures below 40°C. Should these conditions exceed limits, adjustments will be conducted in accordance with established protocols.
All adjustments will adhere to industry standards, ensuring consistency and reliability.
Power Capacity: Broad range from 25 to 2500KVA
Voltage Levels: Comprehensive options including 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, and 36KV
Voltage Level Overview:
Type of Voltage Regulation: Selectable between Off-circuit and On-load
Tapping Range: Offers flexibility with ±5%, ±2x2.5%, and ±4x2.5% options
Frequency Options: Versatile selection between 50Hz or 60Hz
Phases: Available as three-phase or single-phase to address all needs
Connection Symbol: Configurable as Dyn11, Yyn0, with customization available on request
Short-circuit Impedance: Engineered for Standard Impedance to ensure dependable performance
Operational Conditions: Suitable for altitudes up to 1000m and ambient temperatures not exceeding 40°C
Should conditions deviate from the stated specifications, necessary parameter adjustments will be performed adhering strictly to standard guidelines, ensuring performance integrity.
The fully sealed oil-immersed power transformer, a beacon of innovation by Chaotai Power, is celebrated for its minimal energy loss, serene operation, and high efficiency. It stands as a leading energy-saving solution, remarkably reducing environmental impact.
In a notable departure from traditional oil-immersed transformers, this fully sealed design abolishes the need for an oil conservator. It skillfully manages oil volume fluctuations through the corrugated oil tank's elasticity, ensuring the transformer remains perfectly air-isolated. This crucial feature not only prevents oil degradation and delays insulation aging but also elevates reliability and eliminates the need for periodic 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. illuminates the landscape of electrical integration with its technological brilliance. As a prestigious high-tech enterprise, we are equipped with a dedicated team for research and development, production, and service, all fortified by more than 15 years of invaluable industry experience. Our unwavering quest for excellence solidifies our status as a vanguard of innovation.
Our extensive product portfolio showcases state-of-the-art solutions, including high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These indispensable products serve crucial roles 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, catering to both commercial and residential sectors. We take pride in energizing the future with our revolutionary solutions.
Rooted in a philosophy of relentless technological innovation and 'smart manufacturing,' we are devoted to cultivating a culture of excellence by integrating top-tier technical talents. This strategic focus enhances our core competencies, ensuring we deliver unmatched service value to our clients. Our growth journey stands as a testament to our ethos: evolving from inception to industry leadership through unwavering dedication. Our business strategy remains firmly anchored in innovation, with an unyielding commitment to quality as the cornerstone of survival, market reputation as the pathway to development, and management efficiency as the key to profitability. We are committed to harnessing 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the bedrock of our quality and talent management initiatives. Our strategic vision is to boost our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that are faster, stronger, and higher. Integrity, unmatched quality, exceptional service, and customer satisfaction form our core values. We relentlessly pursue excellence, continuously innovating to establish a brand synonymous with trust. The recognition from our customers fuels our ambition. We extend our heartfelt gratitude to our loyal customers, both new and longstanding, and warmly invite you to join Senhang Technology on a shared journey toward 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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