Product Description
Oil Immersed Series Transformer:
Introducing the extraordinary S11-M series, a fully sealed oil-immersed power transformer ingeniously crafted by Zhejiang Chaotai Complete Equipment Co., Ltd. This remarkable transformer epitomizes excellence with its superior traits of ultra-low energy consumption, whisper-quiet operation, and impressive efficiency. As a benchmark in green energy solutions, it significantly reduces environmental pollution. Diverging from traditional oil-immersed models, this advanced version eliminates the need for an oil conservator entirely. Its intelligent design responds autonomously to oil volume variations, utilizing the flexibility of the corrugated oil tank to hermetically seal the transformer from air exposure. This cutting-edge feature not only prevents oil degradation but also slows insulation aging, substantially enhancing operational reliability while rendering routine maintenance obsolete.
1. Power Capacity: Offering a wide range from 25-2500KVA, with selections available for 24KV, 30KV, 33KV, 35KV, 36KV, and customizable to fit customer specifications 2. Voltage Level: Available options include 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Available in both Off-circuit and On-load variations, tailored to meet diverse requirements
4. Tapping Range: Customizable settings at ±5%, 2x2.5%, or ±4x2.5% to suit specific demands
5. Frequency: Offering flexibility with options for either 50Hz or 60Hz
6. Phases: Available in versatile Three-phase or single-phase configurations for varied applications
7. Connection Symbol: Provided as Dyn11, Yyn0, with further customization options available to meet unique needs
8. Short-circuit Impedance: Meticulously designed with Standard Impedance for robust performance
9. Operational Conditions: Perfectly suited for altitudes not exceeding 1000m and ambient temperatures below 40°C. If these conditions are not met, we ensure necessary adjustments in parameters follow standard industry protocols.
All necessary adjustments will be meticulously carried out in strict adherence to industry standards.
Power Capacity: Offering a comprehensive range from 25-2500KVA to accommodate varying demands
Voltage Levels: Comprehensive options spanning 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, ensuring adaptability to diverse requirements
Voltage Level Overview:
Type of Voltage Regulation: Available in flexible Off-circuit or On-load options
Tapping Range: Configurable at ±5%, ±2x2.5%, ±4x2.5% to meet specific operational needs
Frequency Options: Available in adaptable 50Hz or 60Hz modes for optimal performance
Phases: Offering versatile options, including Three-phase or single-phase, to suit a variety of applications
Connection Symbol: Configurable as Dyn11, Yyn0, with customization options available upon request to fit specific needs
Short-circuit Impedance: Skillfully engineered with Standard Impedance for reliable performance
Operational Conditions: Expertly designed for altitudes not exceeding 1000m, with ambient temperatures not surpassing 40°C
In instances where conditions differ, we will diligently perform necessary parameter adjustments, strictly adhering to established standard guidelines.
This fully sealed oil-immersed power transformer, an innovative masterpiece from Chaotai Power, is crafted to deliver minimal energy loss, whisper-quiet operation, and outstanding efficiency. It stands as an elevated energy-saving solution, substantially reducing pollution.
Unlike conventional oil-immersed transformers, this fully sealed design bypasses the need for an oil conservator. It skillfully manages oil volume fluctuations with the elasticity of the corrugated oil tank sheet, ensuring the transformer remains air-isolated. This essential feature not only prevents oil degradation and insulation aging but also boosts reliability and eliminates the necessity for routine 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 brilliance and innovation in the field of electrical solutions. Renowned as a high-tech enterprise, we are celebrated for our robust R&D, production, and service capabilities, all enriched by an impressive heritage of over 15 years of invaluable industry experience. Our steadfast dedication to excellence solidifies our position as a trailblazer, consistently setting new standards in the industry and pioneering a legacy of innovation.
Our extensive and forward-thinking product portfolio includes groundbreaking solutions such as high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These critical products serve as indispensable tools across diverse industries, from energy and chemical sectors to metal smelting, electric power grids, and industrial manufacturing. We further extend our reach into academia, healthcare, municipal commerce, water management, hydropower, and road traffic, supporting both commercial and residential applications. With pride, we empower the future through our transformative solutions, making a profound impact across these essential sectors.
Guided by a philosophy of relentless technological progress and 'smart manufacturing,' we are devoted to fostering a culture of excellence by integrating top-tier technical talents and inventive strategies. This strategic commitment fortifies our core strengths, ensuring that we deliver unrivaled service value to our clients. Our growth narrative is a testament to our core values: evolving from modest beginnings to industry leadership through steadfast dedication and innovation. Our business strategy emphasizes quality as the foundation of survival, market reputation as the pathway for growth, and management efficiency as the key to profitability. Our promise is to embrace 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the pillars 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 ambitions that aim higher, reach further, and achieve more. Integrity, unmatched quality, exceptional service, and customer satisfaction lie at the core of our values. Our relentless pursuit of excellence drives us to continually innovate, establishing our brand as synonymous with trust. The recognition from our esteemed customers fuels our ambition. We extend heartfelt gratitude to our loyal customers, both new and longstanding, and warmly invite you to join Zhejiang Chaotai 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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