Product Description



Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series, an exceptional fully sealed oil-immersed power transformer, crafted with precision and cutting-edge innovation by Zhejiang Chaotai Complete Equipment Co., Ltd. This extraordinary transformer is renowned for its incredibly low energy loss, whisper-quiet operation, and unmatched efficiency. It emerges as a beacon of energy conservation, significantly reducing pollution and minimizing environmental impact. Unlike conventional oil-immersed transformers, this advanced model eliminates the need for an oil conservator. Thanks to its ingeniously designed corrugated oil tank, it adeptly self-regulates and adjusts to oil volume fluctuations, ensuring an impeccably sealed environment that shields the transformer from air exposure. This pioneering feature effectively prevents oil degradation, greatly extends the lifespan of insulation materials, and substantially enhances operational reliability—all while requiring no routine maintenance under normal conditions.
1. Power Capacity: With a range spanning from 25-2500KVA, it offers flexible options such as 24KV, 30KV, 33KV, 35KV, 36KV, along with customizable configurations to cater to specific customer requirements. 2. Voltage Level: This product is available in various levels including 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV, ensuring versatile adaptability. 3. Type of Voltage Regulation: It provides both Off-circuit and On-load options for versatile functionality, tailored to meet diverse customer needs.
4. Tapping Range: Offers an extensive selection such as ±5%, 2x2.5%, or ±4x2.5%, accommodating diverse power needs and ensuring precision.
5. Frequency: Available in both 50Hz and 60Hz, meticulously catering to the varied regional requirements for seamless integration.
6. Phases: Available in both Three-phase and single-phase configurations, ensuring compatibility with a wide range of applications.
7. Connection Symbol: Easily choose from standard options like Dyn11, Yyn0, or customize according to your exact specifications for optimal performance.
8. Short-circuit Impedance: Equipped with Standard Impedance, it ensures reliable and consistent performance across various operational scenarios.
9. Operational Conditions: Masterfully designed to function at altitudes up to 1000m and ambient temperatures under 40°C. Should these conditions vary, we will prudently adjust parameters as needed per standard protocols.
All modifications will rigorously adhere to industry standards, guaranteeing optimal performance and reliability.
Power Capacity: Spanning from 25-2500KVA, it caters to diverse energy demands with precision and flexibility.
Voltage Levels: Offered in 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, providing broad adaptability to various applications.
Voltage Level Overview:
Type of Voltage Regulation: Available in both Off-circuit and On-load variants, offering adaptable control to suit various operational needs.
Tapping Range: With options like ±5%, ±2x2.5%, ±4x2.5%, it is designed to match specific requirements with precision.
Frequency Options: Choose between 50Hz or 60Hz, ensuring compatibility with local standards and operational efficiency.
Phases: Available in both Three-phase and single-phase, perfect for versatile applications across different industrial domains.
Connection Symbol: Standard options include Dyn11, Yyn0, with the flexibility of fully customizable configurations to meet exact specifications.
Short-circuit Impedance: Features Standard Impedance to ensure dependable operation and robust performance.
Operational Conditions: Specifically designed to function optimally at altitudes not exceeding 1000m and temperatures below 40°C.
Should operational conditions deviate, appropriate parameter adjustments will be meticulously made in accordance with standard guidelines to ensure continued excellence.
The fully sealed oil-immersed power transformer epitomizes Chaotai Power's innovative prowess, boasting incredibly low energy loss, silent operations, and superior efficiency. As a potent energy-saving device, it substantially minimizes pollution, embodying the pinnacle of modern efficiency.
f3bb4e22
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. represents the pinnacle of technological prowess in the dynamic sphere of electrical integration. As a distinguished high-tech enterprise, we pride ourselves on a formidable team dedicated to research, development, production, and service, fortified by over 15 years of invaluable industry expertise. Our unwavering quest for extraordinary excellence distinguishes us as trailblazers in innovation.
Our extensive and varied product portfolio showcases groundbreaking advancements, including high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These exceptional products are vital 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. Their versatility extends to both commercial and residential applications. We proudly power the future with our groundbreaking solutions.
Fueled by a philosophy of relentless technological advancement and 'smart manufacturing,' we are deeply committed to cultivating a culture of excellence by integrating high-caliber technical talents. This strategic emphasis enhances our core strengths, ensuring we consistently deliver unmatched service value to our clientele. Our remarkable growth story is a testament to our principles: evolving from inception to industry leadership through unwavering dedication. Our business strategy is firmly anchored in innovation, with an unwavering commitment to quality as the cornerstone of our survival, market reputation as our pathway to expansion, and management efficiency as the driver of profitability. We are dedicated to leveraging 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the foundations of our quality and talent management efforts. Our strategic vision aims to elevate our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations reaching new heights. Integrity, unparalleled quality, exceptional service, and customer satisfaction are central to our values. We relentlessly pursue excellence, continuously innovating to build a brand synonymous with trust. The appreciation of our customers fuels our ambition. We sincerely extend our deepest gratitude to our loyal customers, both new and long-standing, 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.