Product Description



Oil Immersed Series Transformer:
Introducing the pioneering S11-M series fully sealed oil-immersed power transformer, masterfully crafted by Zhejiang Chaotai Complete Equipment Co., Ltd. This groundbreaking transformer is celebrated for its remarkably low energy loss, whisper-quiet operation, and unparalleled efficiency. As an icon of energy conservation, it significantly slashes pollution and minimizes environmental footprints. Distinguishing itself from traditional oil-immersed transformers, this state-of-the-art design eliminates the need for an oil conservator. The cleverly engineered corrugated oil tank seamlessly self-adjusts to manage oil volume changes, ensuring a perfectly sealed environment that protects the transformer from air exposure. This advanced feature effectively prevents oil degradation, dramatically extends the life of insulation materials, and significantly boosts operational reliability—all with zero routine maintenance under standard conditions.
1. Power Capacity: Available from 25-2500KVA, offering versatile options including 24KV, 30KV, 33KV, 35KV, 36KV, with bespoke configurations tailored to meet specific customer needs. 2. Voltage Level: Ranges from 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV to 22KV. 3. Type of Voltage Regulation: Provides both Off-circuit and On-load options for adaptable and flexible functionality.
4. Tapping Range: Features a plethora of options such as ±5%, 2x2.5%, or ±4x2.5% to meet various power requirements.
5. Frequency: Offered in both 50Hz and 60Hz, ensuring alignment with regional specifications.
6. Phases: Available in both Three-phase and single-phase configurations to accommodate diverse applications.
7. Connection Symbol: Select from standard configurations like Dyn11, Yyn0, or easily customize to your exact specifications.
8. Short-circuit Impedance: Designed with Standard Impedance, ensuring reliable and consistent performance.
9. Operational Conditions: Expertly designed for altitudes up to 1000m and ambient temperatures below 40°C. For varying conditions, parameters will be adjusted following standard procedures.
All alterations strictly conform to industry standards, ensuring optimal performance and reliability.
Power Capacity: Ranges from 25-2500KVA, addressing a variety of energy demands.
Voltage Levels: Spanning 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, offering extensive adaptability.
Voltage Level Overview:
Type of Voltage Regulation: Available in both Off-circuit and On-load variants for versatile control options.
Tapping Range: Configurations such as ±5%, ±2x2.5%, ±4x2.5% are available to suit specific needs.
Frequency Options: Choose between 50Hz or 60Hz to meet local standards.
Phases: Offered in both Three-phase and single-phase to serve a range of applications.
Connection Symbol: Choose from standard options like Dyn11, Yyn0, with fully customizable options at your disposal.
Short-circuit Impedance: Built with Standard Impedance for guaranteed performance and reliability.
Operational Conditions: Designed to perform optimally at altitudes not exceeding 1000m and temperatures below 40°C.
Should operational conditions vary, necessary parameter adjustments will be made in adherence to standard guidelines.
The fully sealed oil-immersed power transformer, a testament to Chaotai Power's groundbreaking innovation, shines with its extraordinarily low energy loss, silent operation, and superior efficiency. It stands as a potent energy-saving solution, significantly reducing 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. stands as a beacon of technological mastery in the ever-evolving domain of electrical integration. Celebrated as a high-tech enterprise, our esteemed team boasts over 15 years of unmatched industry expertise, establishing us as frontrunners in research, development, production, and service excellence. Our steadfast commitment to groundbreaking innovation distinguishes us as pioneers, consistently elevating the standards of excellence.
Our extensive product lineup exemplifies our cutting-edge innovations. We provide high-voltage solid-state soft starters, capacitor cabinets, an array of high and low voltage switchgear, cutting-edge gas-insulated switchgear, and sophisticated substations. These exceptional products are essential across a multitude of sectors, including energy, chemical industries, metal smelting, electric grids, industrial production, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. Catering to both commercial enterprises and residential applications, we empower the future with our advanced solutions.
Our philosophy of 'smart manufacturing' and relentless technological advancement propels 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.