Product Description



Oil Immersed Series Transformer:
Presenting the revolutionary S11-M series fully sealed oil-immersed power transformer, meticulously engineered by Zhejiang Chaotai Complete Equipment Co., Ltd. This exceptional transformer is renowned for its extraordinary low energy loss, ultra-quiet operation, and unmatched efficiency. As a hallmark of energy conservation, it dramatically reduces pollution and minimizes environmental impact. Unlike conventional oil-immersed transformers, this cutting-edge model does away with the need for an oil conservator. The ingeniously designed corrugated oil tank adeptly self-regulates to accommodate oil volume fluctuations, ensuring a flawlessly sealed environment safeguarding the transformer from air exposure. This innovative feature effectively averts oil degradation, significantly prolongs the life of insulation materials, and considerably enhances operational reliability—all while demanding no routine maintenance under standard conditions.
1. Power Capacity: Ranging from 25-2500KVA, with versatile options such as 24KV, 30KV, 33KV, 35KV, 36KV, alongside customizable configurations tailored to meet unique customer requirements. 2. Voltage Level: Available in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, and 22KV. 3. Type of Voltage Regulation: Offers both Off-circuit and On-load options for adaptable functionality.
4. Tapping Range: Presents a variety of selections like ±5%, 2x2.5%, or ±4x2.5% to accommodate diverse power needs.
5. Frequency: Available in both 50Hz and 60Hz, ensuring compatibility with regional requirements.
6. Phases: Offered in both Three-phase and single-phase configurations to suit different applications.
7. Connection Symbol: Choose from standard configurations like Dyn11, Yyn0, or tailor to your precise specifications with ease.
8. Short-circuit Impedance: Engineered with Standard Impedance, ensuring reliable performance.
9. Operational Conditions: Expertly crafted for altitudes of up to 1000m and ambient temperatures below 40°C. Should these conditions vary, parameters will be adjusted according to standard protocols.
All modifications strictly adhere to industry standards, guaranteeing optimal performance and dependability.
Power Capacity: Boasts a range from 25-2500KVA to meet diverse energy needs.
Voltage Levels: Spanning 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 for flexible control options.
Tapping Range: Offers configurations such as ±5%, ±2x2.5%, ±4x2.5% to fit specific requirements.
Frequency Options: Select either 50Hz or 60Hz to align with local standards.
Phases: Supplied in both Three-phase and single-phase to cater to multiple applications.
Connection Symbol: Standard choices include Dyn11, Yyn0, with fully customizable configurations readily available.
Short-circuit Impedance: Equipped with Standard Impedance for assured and dependable operation.
Operational Conditions: Designed for peak performance at altitudes not exceeding 1000m and temperatures below 40°C.
Should operational conditions diverge, suitable parameter adjustments will be conducted in compliance with standard guidelines.
The fully sealed oil-immersed power transformer, a testament to Chaotai Power's groundbreaking innovation, excels with remarkably low energy loss, silent operation, and top-tier efficiency. It stands as a powerful energy-saving solution that significantly curtails pollution.
5f038547
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. shines as a pinnacle of technological excellence in the dynamic world of electrical integration. Recognized as a high-tech enterprise, our distinguished team boasts over 15 years of unparalleled industry expertise, making us leaders in research, development, production, and service. Our unwavering commitment to outstanding innovation sets us apart as pioneers, continuously pushing the boundaries of excellence.
Our expansive product portfolio is a testament to our cutting-edge innovations. We offer high-voltage solid-state soft starters, capacitor cabinets, a range of high and low voltage switchgear, state-of-the-art gas-insulated switchgear, and advanced substations. These exceptional products are vital across numerous sectors, including energy, chemical industries, metal smelting, electric grids, industrial production, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. Serving both commercial enterprises and residential needs, we empower the future with our trailblazing solutions.
Our philosophy of 'smart manufacturing' and relentless technological advancement drives us to cultivate a culture of excellence. By integrating top-tier technical talents, we enhance our core capabilities, consistently delivering extraordinary value to our clients. Our remarkable growth journey reflects our ethos of transforming inception into industry leadership through unwavering dedication. Innovation is the cornerstone of our strategy, with quality as the bedrock of our longevity, market reputation as our growth trajectory, and management efficiency as the driver of profitability. Our commitment to 'technology as the guide, standardized management, superior quality, and customer satisfaction' represents the pillars of our quality and talent management. We aim to elevate market competitiveness, serving China's electric power and grid sectors with visionary ambition. Integrity, unmatched quality, exceptional service, and customer satisfaction form the essence of our values. We strive for excellence, continuously innovating to build a brand of trustworthiness. Our customers' appreciation fuels our aspirations, and we express heartfelt gratitude to our loyal patrons, both new and long-standing. Join us with Senhang Technology on a shared journey towards a brighter future.
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.