Product Description
Oil Immersed Series Transformer:
Introducing the revolutionary S11-M series fully sealed oil-immersed power transformer, a masterpiece of precision and cutting-edge innovation by Zhejiang Chaotai Complete Equipment Co., Ltd. This extraordinary transformer is renowned for its exceptionally low energy loss, whisper-quiet operation, and unrivaled efficiency. Serving as a beacon of energy conservation, it significantly reduces environmental pollution and minimizes carbon footprints. Unlike conventional oil-immersed transformers, this advanced model eradicates the need for an oil conservator. The innovative design of the corrugated oil tank self-regulates and adeptly compensates for oil volume fluctuations, maintaining a perfectly sealed environment that shields the transformer from air exposure. This pioneering feature effectively prevents oil degradation, dramatically extends the lifespan of insulation materials, and substantially enhances operational reliability—all while eliminating the need for routine maintenance under standard conditions.
1. Power Capacity: Ranging from 25-2500KVA, with versatile options including 24KV, 30KV, 33KV, 35KV, 36KV, alongside customizable configurations tailored to meet precise customer specifications. 2. Voltage Level: Available in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV. 3. Type of Voltage Regulation: Features both Off-circuit and On-load options, ensuring versatile and adaptable functionality.
4. Tapping Range: Offers a diverse selection of ±5%, 2x2.5%, or ±4x2.5% to accommodate varied power requirements.
5. Frequency: Available in both 50Hz and 60Hz, accommodating different regional needs.
6. Phases: Offers flexibility with both Three-phase and single-phase configurations suitable for various applications.
7. Connection Symbol: Choose from the standard Dyn11, Yyn0, or fully customize to your exact specifications with remarkable ease.
8. Short-circuit Impedance: Integrated Standard Impedance ensures reliable and steady performance.
9. Operational Conditions: Meticulously designed to operate efficiently at altitudes up to 1000m and ambient temperatures under 40°C. If conditions vary, we will adjust parameters as needed following established protocols.
All alterations will strictly adhere to industry standards, guaranteeing peak performance.
Power Capacity: Offering a broad range from 25-2500KVA to meet diverse energy needs.
Voltage Levels: Available in 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, providing extensive adaptability.
Voltage Level Overview:
Type of Voltage Regulation: Available in both Off-circuit and On-load variants, offering adaptable control.
Tapping Range: Provides options such as ±5%, ±2x2.5%, ±4x2.5% to meet specific requirements.
Frequency Options: Choose between 50Hz or 60Hz to align with local standards.
Phases: Available in both Three-phase and single-phase for a wide range of applications.
Connection Symbol: Standard options include Dyn11, Yyn0, with configurations fully customizable to your needs.
Short-circuit Impedance: Equipped with Standard Impedance for dependable and consistent operation.
Operational Conditions: Engineered to function optimally at altitudes not exceeding 1000m and temperatures below 40°C.
Should operational conditions deviate, necessary parameter adjustments will be made in accordance with standard guidelines.
The fully sealed oil-immersed power transformer, a paragon of Chaotai Power's innovative excellence, excels with remarkably low energy loss, silent operations, and outstanding efficiency. It serves as a powerful energy-saving solution, substantially reducing pollution.
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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 a distinguished leader in the realm of electrical integration, where cutting-edge technology meets unparalleled expertise. As a high-tech enterprise, we proudly boast a remarkable team specializing in research, development, production, and service, fortified by over 15 years of industry excellence. Our unwavering dedication to achieving outstanding distinction makes us trailblazers in the world of innovation.
Our diverse and groundbreaking product lineup is composed of technologically advanced solutions such as high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These exceptional products are vital across an extensive range of sectors, including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. Their versatility extends to both commercial and residential domains. We take pride in shaping the future with our revolutionary innovations, empowering industries worldwide.
Empowered by a philosophy of relentless technological advancement and 'smart manufacturing,' we are passionately committed to nurturing a culture of excellence by integrating top-tier technical talent. This strategic approach enhances our core capabilities, allowing us to consistently provide unparalleled service value to our clients. Our remarkable journey of growth is a testament to our ethos: transitioning from inception to industry leadership through unwavering dedication. Our business strategy is deeply anchored in innovation, with a steadfast commitment to quality as the cornerstone of our sustainability, market reputation as the pathway to expansion, and management efficiency as the driver of profitability. We are devoted 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 aims to elevate our market competitiveness, supporting China's electric power and grid transmission and distribution sectors with ambitions that reach new heights. Integrity, unrivaled quality, exceptional service, and customer satisfaction are at the core of our values. We relentlessly pursue excellence, continuously innovating to establish a brand synonymous with trust. The appreciation from our customers fuels our ambition. We sincerely express our deepest gratitude to our loyal customers, both new and longstanding, and warmly invite you to join us in 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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