Product Description
Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer, meticulously crafted by Zhejiang Chaotai Complete Equipment Co., Ltd. This exceptional transformer sets itself apart with its impressively low energy loss, ultra-quiet operation, and unparalleled efficiency. As a pinnacle of energy conservation, it dramatically reduces pollution and minimizes environmental impact. Unlike traditional oil-immersed transformers, this innovative model dispenses with the need for an oil conservator. Thanks to the ingenious elasticity of the corrugated oil tank, it autonomously manages and compensates for oil volume changes, maintaining a perfectly sealed environment that protects the transformer from air exposure. This revolutionary feature effectively prevents oil degradation, significantly extends insulation lifespan, and substantially enhances operational reliability—all while eliminating the need for routine maintenance during standard operation.
1. Power Capacity: Spans from 25-2500KVA, offering options for 24KV, 30KV, 33KV, 35KV, 36KV, with further customization 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: Available in either 50Hz or 60Hz
6. Phases: Offered in Three-phase or single-phase configurations
7. Connection Symbol: Dyn11, Yyn0 (or fully customizable to align with your requirements)
8. Short-circuit Impedance: Equipped with Standard Impedance
9. Operational Conditions: Engineered for altitudes up to 1000m, and ambient temperatures below 40°C. If these conditions vary, we will make the necessary parameter adjustments following standard protocols.
All modifications will rigorously adhere to industry standards.
Power Capacity: Spanning from 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: Select from options like ±5%, ±2x2.5%, ±4x2.5%
Frequency Options: Choose between 50Hz or 60Hz
Phases: Available in Three-phase or single-phase configurations
Connection Symbol: Dyn11, Yyn0 (customizable upon request)
Short-circuit Impedance: Supplied with Standard Impedance
Operational Conditions: Suitable for altitudes not exceeding 1000m, with ambient temperatures below 40°C
If conditions deviate from the norm, necessary parameter adjustments will be executed, conforming to standard guidelines.
The fully sealed oil-immersed power transformer, an engineering marvel by Chaotai Power, excels with extraordinarily low energy loss, silent operation, and superior efficiency. It stands as an exemplary energy-saving solution that significantly curtails pollution.
In contrast to conventional oil-immersed transformers, this fully sealed design eliminates the requirement for an oil conservator. It adeptly manages oil volume variations through the elastic potential of the corrugated oil tank sheet, ensuring the transformer remains air-insulated. This pivotal feature not only prevents oil degradation and delays insulation deterioration but also significantly boosts reliability, eradicating the need 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. is a beacon of technological brilliance in the ever-evolving realm of electrical integration. As a leading high-tech enterprise, we proudly present a meticulously trained team specialized in R&D, production, and exemplary service, fortified by over 15 years of profound industry experience. Our steadfast dedication to attaining peerless excellence positions us as a pioneer in innovation, setting benchmarks in the industry.
Our extensive and versatile product lineup features cutting-edge innovations, including high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These outstanding products have become indispensable 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, extending their applicability to both commercial and residential spheres. We take immense pride in empowering the future with our groundbreaking solutions, driving forward industries into the next era of technological advancement.
Rooted in a philosophy of relentless technological advancement and 'smart manufacturing,' we are wholeheartedly committed to cultivating a culture of excellence through the integration of elite technical talents. This strategic focus enhances our core strengths, ensuring we consistently deliver unparalleled service value to our clients. Our remarkable journey of growth is a tribute to our ethos: transforming from inception to industry leadership through unwavering 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 route to development, and management efficiency as the catalyst for profitability. We are dedicated to leveraging 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the cornerstones of our quality and talent management initiatives. Our strategic vision is to elevate our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that reach new heights. Integrity, unmatched quality, exceptional service, and customer satisfaction form the core of our values. We persistently strive for excellence, continuously innovating to establish a brand that is synonymous with trust. The appreciation of our customers propels 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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