Product Description
Oil Immersed Series Transformer:
Introducing the remarkable S11-M series, a fully sealed oil-immersed power transformer crafted with precision by Zhejiang Chaotai Complete Equipment Co., Ltd. This exceptional transformer boasts unrivaled characteristics of minimal energy consumption, whisper-quiet operation, and extraordinary efficiency. Serving as an exemplary energy solution, it significantly reduces environmental pollution. In stark contrast to traditional oil-immersed counterparts, this elegant model eliminates the need for an oil conservator. Its ingenious design autonomously adjusts to oil volume fluctuations through the corrugated oil tank's elasticity, effectively sealing the transformer from air intrusion. This cutting-edge feature prevents oil degradation, slows insulation aging, and dramatically enhances operational reliability, all while eliminating the need for maintenance during routine operations.
1. Power Capacity: Ranges from 25-2500KVA, with choices for 24KV, 30KV, 33KV, 35KV, 36KV, and customizable to meet client specifications 2. Voltage Level: Available at 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Offered in both Off-circuit and On-load variations
4. Tapping Range: Configurable at ±5%, 2x2.5%, or ±4x2.5%
5. Frequency: Options for either 50Hz or 60Hz
6. Phases: Available in Three-phase or single-phase configurations
7. Connection Symbol: Offered as Dyn11 or Yyn0, with customization options to suit specific needs
8. Short-circuit Impedance: Designed with Standard Impedance
9. Operational Conditions: Engineered for altitudes not exceeding 1000m and ambient temperatures below 40°C. Should these conditions not be met, adjustments in parameters will follow standard industry protocols.
All required adjustments will be strictly compliant with industry standards.
Power Capacity: Offering a range from 25-2500KVA
Voltage Levels: Covering 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: Provided at ±5%, ±2x2.5%, ±4x2.5%
Frequency Options: Available in 50Hz or 60Hz modes
Phases: Options include Three-phase or single-phase configurations
Connection Symbol: Configurable as Dyn11, Yyn0, with customization options available upon request
Short-circuit Impedance: Engineered with Standard Impedance
Operational Conditions: Designed for altitudes not exceeding 1000m, with ambient temperatures not exceeding 40°C
In scenarios where conditions vary, we will implement necessary parameter adjustments in strict adherence to standard guidelines.
This fully sealed oil-immersed power transformer, a masterpiece of innovation from Chaotai Power, is crafted for minimal energy loss, quiet operation, and outstanding efficiency. It stands as a leading energy-saving solution, markedly reducing pollution.
Unlike traditional oil-immersed transformers, this fully sealed design eliminates the oil conservator. It skillfully handles oil volume variations with the flexibility of the corrugated oil tank sheet, ensuring the transformer remains isolated from air. This essential feature not only prevents oil degradation and insulation aging but also increases reliability and removes the need 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 innovative prowess within the sphere of electrical integration. As a prestigious high-tech enterprise, we are celebrated for our exceptional R&D, production, and dedicated service teams, all fortified by an impressive heritage of over 15 years of invaluable industry expertise. This unwavering dedication to excellence fortifies our leadership in innovation, consistently setting the gold standard across the industry.
Our expansive and sophisticated product lineup showcases pioneering solutions including high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These crucial products serve pivotal roles across diverse industries such as energy, chemical, metal smelting, electric power grids, and industrial manufacturing. Additionally, we exert our influence in academia, healthcare, municipal commerce, water management, hydropower, and road traffic, extending our reach to both commercial and residential arenas. We proudly empower the future with our transformative solutions, leaving an indelible mark across these essential sectors.
Firmly rooted in the philosophy of relentless technological advancement and 'smart manufacturing,' our mission is to cultivate a culture of excellence by integrating premier technical talent with innovative strategies. This strategic approach amplifies our core capabilities, ensuring that our clients receive unparalleled service value. Our growth narrative is a testament to our core values: evolving from modest beginnings to industry leadership through steadfast commitment and innovation. Our business strategy unwaveringly prioritizes quality as the cornerstone of survival, market reputation as the pathway to development, and management efficiency as the key to profitability. We pledge to embrace 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the pillars of our quality and talent management efforts. Our strategic vision seeks to elevate our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that aim higher, reach further, and achieve more. At the heart of our values lie integrity, unmatched quality, exceptional service, and customer satisfaction. Our relentless pursuit of excellence drives us to perpetually innovate, establishing our brand as synonymous with trust. The acknowledgment of our esteemed customers fuels our ambitions. We extend heartfelt gratitude to our loyal customers, both new and longstanding, and warmly invite you to join Zhejiang Chaotai on a shared journey 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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