Product Description
Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer, crafted with precision and innovation by Zhejiang Chaotai Complete Equipment Co., Ltd. This exceptional transformer redefines standards with its remarkably low energy loss, ultra-quiet operation, and superior efficiency. As a beacon of energy conservation, it significantly reduces pollution and environmental footprint. Departing from conventional oil-immersed transformers, this advanced model eliminates the need for an oil conservator. With the innovative elasticity of the corrugated oil tank, it autonomously adjusts for oil volume changes, maintaining a perfectly sealed environment and protecting the transformer from air exposure. This revolutionary feature effectively prevents oil degradation, extends insulation lifespan, and enhances operational reliability—all without requiring routine maintenance during standard usage.
1. Power Capacity: Offering a range from 25-2500KVA, with options for 24KV, 30KV, 33KV, 35KV, 36KV, and customizable solutions to cater to specific customer requirements 2. Voltage Level: Available in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Provides both Off-circuit and On-load options
4. Tapping Range: Select from ±5%, 2x2.5%, ±4x2.5%
5. Frequency: Offers flexibility with either 50Hz or 60Hz options
6. Phases: Offered in Three-phase or single-phase configurations
7. Connection Symbol: Dyn11, Yyn0 (or fully customizable to your specifications)
8. Short-circuit Impedance: Equipped with Standard Impedance
9. Operational Conditions: Engineered for altitudes not exceeding 1000m, and ambient temperatures below 40°C. If these conditions are not met, we will adjust parameters accordingly, adhering to standard protocols.
All adaptations will strictly comply with industry standards.
Power Capacity: Spanning a range between 25-2500KVA
Voltage Levels: Options include 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Available in Off-circuit or On-load options
Tapping Range: Options encompass ±5%, ±2x2.5%, ±4x2.5%
Frequency Options: Choose from 50Hz or 60Hz
Phases: Offered in Three-phase or single-phase
Connection Symbol: Dyn11, Yyn0 (customizable upon request)
Short-circuit Impedance: Features Standard Impedance
Operational Conditions: Designed for altitudes not exceeding 1000m, with ambient temperatures not surpassing 40°C
Should operational conditions deviate from the standard, necessary parameter adjustments will be made, adhering to standard guidelines.
The fully sealed oil-immersed power transformer, a paradigm of innovation by Chaotai Power, excels with its exceptionally low energy loss, silent operation, and superior efficiency. It stands as an outstanding energy-saving solution that dramatically cuts down pollution.
In contrast to traditional oil-immersed transformers, this fully sealed design eliminates the need for an oil conservator. It skillfully handles oil volume changes through the elastic features of the corrugated oil tank sheet, ensuring the transformer remains air-insulated. This pivotal feature not only prevents oil deterioration and delays insulation aging but also significantly boosts reliability, removing the requirement for regular maintenance.
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 excellence within the ever-evolving realm of electrical integration. As a distinguished high-tech enterprise, we proudly present a highly skilled team specializing in R&D, production, and service, bolstered by over 15 years of invaluable industry expertise. Our steadfast commitment to achieving unparalleled excellence distinguishes us as an innovation leader and pioneer.
Our expansive and versatile product portfolio 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 have become indispensable across a wide range of sectors such as energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic, extending their advantages to both commercial and residential domains. We take immense pride in empowering the future with our trailblazing solutions.
Rooted in a philosophy of relentless technological advancement and 'smart manufacturing,' we are wholeheartedly committed to nurturing a culture of excellence by integrating top-tier technical talents. This strategic approach amplifies our core strengths, ensuring we consistently deliver unparalleled service value to our clients. Our remarkable journey of growth is a testament to our ethos: transforming from inception to industry leadership through steadfast dedication. Our business strategy is firmly anchored in innovation, with an unwavering commitment to quality as the foundation of our survival, market reputation as the pathway to development, 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 pillars of our quality and talent management initiatives. Our strategic vision is to enhance 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 heart of our values. We persistently strive for excellence, continuously innovating to establish a brand synonymous with trust. The appreciation of our customers fuels our ambition. We 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.
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