Product Description
Oil Immersed Series Transformer:
Introducing the revolutionary S11-M series, a fully sealed oil-immersed power transformer from Zhejiang Chaotai Complete Equipment Co., Ltd. This exceptional transformer stands out with its remarkably low energy loss, whisper-quiet operation, and unparalleled efficiency. A true paragon of energy conservation, it significantly reduces pollution and minimizes environmental impact. Unlike traditional oil-immersed models, this avant-garde transformer eliminates the need for an oil conservator. With its innovative corrugated oil tank that flexibly adjusts to oil volume changes, it maintains a hermetically sealed environment, thus protecting the transformer from air exposure. This ingenious feature prevents oil degradation, extends the insulation lifespan, and enhances operational reliability, all without the need for routine maintenance during typical use.
1. Power Capacity: Offers a range from 25-2500KVA, with selections of 24KV, 30KV, 33KV, 35KV, 36KV, plus further customization to perfectly align with unique customer requirements. 2. Voltage Level: Available in diverse options including 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV. 3. Type of Voltage Regulation: Flexibility with both Off-circuit and On-load possibilities.
4. Tapping Range: Customize according to your needs with options like ±5%, 2x2.5%, ±4x2.5%.
5. Frequency: Tailor your choice with offerings for either 50Hz or 60Hz frequencies.
6. Phases: Available in both Three-phase and single-phase configurations for optimal flexibility.
7. Connection Symbol: Opt for Dyn11, Yyn0, or customize entirely to fit your precise specifications.
8. Short-circuit Impedance: Engineered with Standard Impedance for reliable performance.
9. Operational Conditions: Specifically designed for altitudes not surpassing 1000m and ambient temperatures beneath 40°C. If these conditions aren't met, necessary parameter enhancements will be made in accordance with standard protocols.
All modifications will strictly conform to industry standards to ensure superior quality.
Power Capacity: Versatile range between 25-2500KVA to meet diverse power requirements.
Voltage Levels: Wide selection including 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV tailored for all needs.
Voltage Level Overview:
Type of Voltage Regulation: Choose from Off-circuit or On-load options for seamless adaptability.
Tapping Range: Available options include ±5%, ±2x2.5%, ±4x2.5% for bespoke adjustments.
Frequency Options: Select from either 50Hz or 60Hz to best suit your operational requirements.
Phases: Choose between versatile Three-phase or single-phase options for greater adaptability.
Connection Symbol: Choose from Dyn11, Yyn0, or request customization to meet specific requirements.
Short-circuit Impedance: Comes equipped with Standard Impedance for reliable and stable operation.
Operational Conditions: Designed for use at altitudes not exceeding 1000m, with ambient temperatures below 40°C.
In case of deviation from standard conditions, necessary adjustments will be executed, adhering to industry guidelines.
The fully sealed oil-immersed power transformer, a marvel of Chaotai Power's innovation, excels in providing exceptionally low energy loss, silent operation, and superior efficiency. It's an outstanding energy-saving solution, profoundly minimizing pollution.
A departure from conventional oil-immersed transformers, this fully sealed design eliminates the need for an oil conservator. With its elastic corrugated oil tank sheet adeptly managing oil volume changes, it ensures the transformer stays insulated from air. This pivotal feature not only prevents oil deterioration and delays insulation aging but also significantly boosts reliability, removing 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 within the ever-evolving realm of electrical integration. As a distinguished high-tech enterprise, we proudly present a dedicated R&D, production, and service team, strengthened by over 15 years of invaluable industry expertise. Our steadfast dedication to achieving unmatched excellence positions us as a front-runner in innovation, setting new benchmarks for others to follow.
Our expansive and diverse product line boasts cutting-edge innovations, including high-voltage solid-state soft starters, capacitor cabinets, a range of high and low voltage switchgear, gas-insulated switchgear, and substations. These outstanding products have become indispensable across a multitude of sectors such as energy, chemical industries, metal smelting, power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. Our solutions extend their benefits to both commercial and residential applications. We take immense pride in pioneering the future with our revolutionary solutions.
Driven by a philosophy of relentless technological advancement and 'smart manufacturing,' we are fully committed to fostering a culture of excellence through the integration of world-class technical talents. This strategic approach fortifies our core strengths, ensuring we consistently provide unparalleled service value to our clients. Our journey of growth is a testament to our ethos: 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 existence, market reputation as the pathway to development, and management efficiency as the engine 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 reach new heights. Integrity, unmatched quality, exceptional service, and customer satisfaction form the core of our values. We persistently strive for excellence, constantly innovating to establish a brand that embodies 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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