Product Description
Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer by Zhejiang Chaotai Complete Equipment Co., Ltd. This exceptional transformer is distinguished by its ultra-low energy loss, whisper-silent operation, and unparalleled efficiency. It stands as a beacon of energy conservation, dramatically reducing pollution and minimizing environmental impact. Unlike traditional oil-immersed transformers, this avant-garde model eliminates the need for an oil conservator. Leveraging the innovative elasticity of the corrugated oil tank, it autonomously adjusts to oil volume fluctuations, preserving a perfectly sealed environment that protects the transformer from air exposure. This transformative feature effectively prevents oil degradation, significantly extends insulation lifespan, and greatly enhances operational reliability—all without the need for routine maintenance during standard usage.
1. Power Capacity: Ranging from 25-2500KVA, offering options for 24KV, 30KV, 33KV, 35KV, 36KV, with further customizations to meet specific customer needs 2. Voltage Level: Available in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Provides both Off-circuit and On-load options for tailored performance
4. Tapping Range: Selections include ±5%, 2x2.5%, ±4x2.5% for optimal adaptability
5. Frequency: Choose between 50Hz or 60Hz to suit your operational requirements
6. Phases: Available in versatile Three-phase or single-phase configurations for diverse applications
7. Connection Symbol: Dyn11, Yyn0, or fully customizable to precisely match your specifications
8. Short-circuit Impedance: Standard Impedance for reliable performance
9. Operational Conditions: Designed for altitudes not exceeding 1000m, with ambient temperatures below 40°C. If these conditions are not met, we will adjust parameters as per standard protocols to maintain optimal performance.
All adjustments will strictly conform to industry standards, ensuring unwavering quality.
Power Capacity: Offering a range from 25-2500KVA for versatile power management
Voltage Levels: Available options include 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, providing flexible solutions to meet your voltage requirements
Voltage Level Overview:
Type of Voltage Regulation: Available in Off-circuit or On-load options for adaptable control
Tapping Range: Features options such as ±5%, ±2x2.5%, ±4x2.5% for enhanced flexibility
Frequency Options: Choose from 50Hz or 60Hz to align with your specific operational needs
Phases: Available in either Three-phase or single-phase configurations to suit varied electrical systems
Connection Symbol: Options include Dyn11, Yyn0, with customization available upon request for tailored solutions
Short-circuit Impedance: Equipped with Standard Impedance for dependable functionality
Operational Conditions: Suitable for altitudes not exceeding 1000m and ambient temperatures not exceeding 40°C, ensuring reliable performance under specified conditions
If conditions deviate from the norm, necessary parameter adjustments will be implemented, adhering to standard guidelines to maintain performance integrity.
The fully sealed oil-immersed power transformer, a brilliant innovation by Chaotai Power, impresses with its ultra-low energy loss, silent operation, and superior efficiency. It stands as an exceptional energy-saving solution, significantly reducing pollution.
Unlike conventional oil-immersed transformers, this fully sealed design eliminates the need for an oil conservator. It adeptly manages oil volume changes through the elastic capabilities of the corrugated oil tank sheet, ensuring the transformer remains insulated from air exposure. This critical feature not only prevents oil deterioration and delays insulation aging but also significantly enhances reliability, dispensing with the need 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 brilliance in the vibrant arena of electrical integration. Renowned as a cutting-edge high-tech enterprise, we proudly parade a team of elite R&D, production, and service professionals, fortified by over 15 years of rich industry insights. Our steadfast dedication to achieving the zenith of excellence sets us apart as a vanguard of innovation.
Our wide-ranging, innovative product line boasts cutting-edge advancements, from high-voltage solid-state soft starters to capacitor cabinets, and from high and low voltage switchgear to gas-insulated switchgear and substations. These exceptional products are indispensable in a plethora of sectors, including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. They find utility in both commercial and residential spheres. We take immense pride in pioneering the future with our groundbreaking solutions.
Rooted deeply in our philosophy of relentless technological progress and 'smart manufacturing,' we are unwaveringly devoted to fostering a culture of excellence by integrating top-tier technical talents. This strategic approach amplifies our core strengths, ensuring we consistently provide unmatched service value. Our remarkable growth journey is a testament to our ethos: evolving from inception to industry dominance through steadfast dedication. Our business strategy is firmly built on innovation, with an unwavering focus on quality as the pillar for survival, market reputation as the cornerstone for growth, and management efficiency as the engine of profitability. We are committed to harnessing '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 elevate our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that soar to new heights. Integrity, unmatched quality, superior service, and customer satisfaction are at the heart of our values. We relentlessly pursue excellence, continuously innovating to build a brand synonymous with trust. The appreciation of our customers fuels our drive. We sincerely thank our loyal customers, both new and longstanding, and warmly welcome you to join Senhang Technology 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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