Product Description



Oil Immersed Series Transformer:
Discover the revolutionary S11-M series fully sealed oil-immersed power transformer, a marvel of cutting-edge engineering by Zhejiang Chaotai Complete Equipment Co., Ltd. Meticulously crafted, this transformer is a testament to excellence, marked by its impressively low energy loss, serene quietness, and unmatched efficiency. As a paragon of energy conservation, it dramatically diminishes pollution and reduces environmental impact. Departing from traditional designs, this avant-garde model requires no oil conservator. Its ingeniously configured corrugated oil tank autonomously manages oil volume fluctuations, preserving an airtight seal that guards against air exposure. This trailblazing feature prevents oil degradation, significantly prolongs insulation material life, and enhances operational reliability, all while eliminating the need for routine maintenance under standard operating conditions.
1. Power Capacity: Available from 25-2500KVA, with adaptable options such as 24KV, 30KV, 33KV, 35KV, 36KV, and tailored configurations to precisely meet customer needs. 2. Voltage Level: Offered in an array of 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV. 3. Type of Voltage Regulation: Featuring both Off-circuit and On-load options for versatile adaptability.
4. Tapping Range: Offers a spectrum of ±5%, 2x2.5%, or ±4x2.5% to accommodate diverse power requirements.
5. Frequency: Accessible in both 50Hz and 60Hz variations, catering to regional preferences.
6. Phases: Select from Three-phase and single-phase configurations to suit various applications.
7. Connection Symbol: Choose from Dyn11, Yyn0, or customize effortlessly to your precise specifications.
8. Short-circuit Impedance: Equipped with Standard Impedance, ensuring dependable performance and stability.
9. Operational Conditions: Expertly engineered to operate seamlessly at altitudes up to 1000m and ambient temperatures below 40°C. If conditions differ, we will adjust parameters as needed according to established standards.
All modifications strictly adhere to industry standards, guaranteeing optimal performance and reliability.
Power Capacity: Ranges from 25-2500KVA, tailored to meet a wide range of energy demands.
Voltage Levels: Offered 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 for various needs.
Tapping Range: Offers tailored options such as ±5%, ±2x2.5%, ±4x2.5% to match specific requirements with precision.
Frequency Options: Available in 50Hz or 60Hz, meeting local and regional standards with precision.
Phases: Available in both Three-phase and single-phase, ensuring versatility for diverse applications.
Connection Symbol: Standard configurations include Dyn11, Yyn0, with the option to fully customize as needed.
Short-circuit Impedance: Features Standard Impedance, ensuring reliable and stable operations.
Operational Conditions: Engineered for optimal performance at altitudes up to 1000m and temperatures below 40°C.
In case of varying operational conditions, necessary parameter adjustments will be made following standard protocols.
The fully sealed oil-immersed power transformer, a pinnacle of Chaotai Power's inventive excellence, excels with incredibly low energy loss, quiet operation, and superior efficiency. It is an exceptional energy-saving device, substantially reducing pollution and environmental impact.
456203d4
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 shining beacon of technological prowess in the dynamic field of electrical integration. Celebrated as a high-tech enterprise, we are supported by a distinguished team engaged in research, development, production, and service, boasting over 15 years of profound industry expertise. Our unwavering commitment to outstanding excellence distinguishes us as trailblazers of innovation, setting new standards for the industry.
Our expansive product portfolio showcases groundbreaking innovations, featuring high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and comprehensive substations. These exceptional products serve as vital components across a wide array of sectors, including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. They are designed for both commercial and residential applications, empowering diverse environments with revolutionary solutions. We take pride in paving the way for a progressive future through our cutting-edge offerings.
Guided by a philosophy of relentless technological advancement and 'smart manufacturing,' we are resolutely dedicated to fostering a culture of excellence by integrating top-tier technical talents. This strategic focus fortifies our core capabilities, ensuring we consistently deliver incomparable service value to our clients. Our remarkable growth journey attests to our ethos: evolving from inception to industry leadership through unwavering dedication. Our business strategy is grounded in innovation, with an unwavering commitment to quality as the cornerstone of our survival, market reputation as our growth trajectory, and management efficiency as the catalyst for profitability. We are committed to employing '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 enhance our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that ascend to 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 invigorates our ambition. We unequivocally express our deepest gratitude to our loyal customers, both new and longstanding, and warmly invite you to embark on 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.