Product Description
Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer, a masterpiece of precision and innovation by Zhejiang Chaotai Complete Equipment Co., Ltd. This extraordinary transformer is revolutionizing the industry with its superbly low energy loss, ultra-quiet operation, and unmatched efficiency. It is a paragon of energy conservation, dramatically reducing pollution and lessening environmental impact. Unlike conventional oil-immersed transformers, this cutting-edge model does away with the need for an oil conservator. Thanks to the ingenious design of the corrugated oil tank, it self-adjusts to oil volume variations, maintaining a perfect seal that shields the transformer from air exposure. This trailblazing feature effectively curbs oil degradation, significantly prolonging the life of insulation materials, and markedly enhancing operational reliability—all while eliminating the need for routine maintenance under standard conditions.
1. Power Capacity: Ranges from 25-2500KVA, with adaptable options such as 24KV, 30KV, 33KV, 35KV, 36KV, and customization options tailored to suit customer-specific needs. 2. Voltage Level: Available in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV for versatile applications. 3. Type of Voltage Regulation: Offers both Off-circuit and On-load options, ensuring versatile functionality.
4. Tapping Range: Provides a choice of ±5%, 2x2.5%, or ±4x2.5% to align with diverse power requirements.
5. Frequency: Available in both 50Hz and 60Hz, accommodating varying regional standards.
6. Phases: Available in both Three-phase and single-phase configurations, catering to various application needs.
7. Connection Symbol: Select from Dyn11, Yyn0, or customize to your precise specifications with ease.
8. Short-circuit Impedance: Equipped with Standard Impedance to ensure reliable performance.
9. Operational Conditions: Expertly engineered to perform at altitudes up to 1000m and ambient temperatures below 40°C. If conditions differ, we will adjust parameters as required by standard protocols.
All modifications will rigorously adhere to industry standards, ensuring peak performance.
Power Capacity: Spans from 25-2500KVA to meet an array of energy demands.
Voltage Levels: Available in 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, offering extensive flexibility.
Voltage Level Overview:
Type of Voltage Regulation: Presented in both Off-circuit and On-load variants for adaptable control.
Tapping Range: Offers options like ±5%, ±2x2.5%, ±4x2.5% to meet specific requirements.
Frequency Options: Choose from 50Hz or 60Hz to comply with regional standards.
Phases: Available in both Three-phase and single-phase for adaptable applications.
Connection Symbol: Standard options include Dyn11, Yyn0, with customizable configurations available to meet specific needs.
Short-circuit Impedance: Features Standard Impedance for reliable and consistent operation.
Operational Conditions: Designed to operate optimally at altitudes not exceeding 1000m and temperatures below 40°C.
Should conditions deviate, necessary parameter adjustments will be implemented in line with standard guidelines.
The fully sealed oil-immersed power transformer, a testament to Chaotai Power's innovative brilliance, excels with incredibly low energy loss, silent operations, and superior efficiency. It is a powerful energy-saving solution that significantly reduces 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. stands as a beacon of technological mastery within the dynamic landscape of electrical integration. As a distinguished high-tech enterprise, we proudly boast an elite team specializing in research, development, production, and service, fortified by over 15 years of industry expertise. Our unwavering commitment to exceptional excellence distinguishes us as true pioneers in innovation.
Our expansive and diverse product lineup showcases cutting-edge advancements, including high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These remarkable products are crucial across a wide array of sectors such as energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. They find applications in both commercial and residential arenas. With our revolutionary solutions, we proudly empower the future.
Driven by a philosophy of relentless technological evolution and 'smart manufacturing,' we are dedicated to nurturing a culture of excellence by integrating top-tier technical talents. This strategic focus enhances our core capabilities, ensuring we consistently deliver unparalleled service value to our clients. Our extraordinary growth journey testifies to our ethos: evolving from inception to industry leadership through steadfast dedication. Our business strategy is deeply rooted in innovation, with an unwavering commitment to quality as the foundation of our survival, market reputation as our path to growth, and management efficiency as the catalyst for profitability. We are devoted to harnessing 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the pillars of our quality and talent management endeavors. 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, unparalleled quality, exceptional service, and customer satisfaction are at the core of our values. We persistently strive for excellence, constantly innovating to establish a brand synonymous with trust. The appreciation from our customers fuels our ambition. We 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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