Product Description
Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series fully sealed oil-immersed power transformer, crafted with precision and excellence by Zhejiang Chaotai Complete Equipment Co., Ltd. This exceptional transformer is a true marvel, setting new standards with its impressively low energy consumption, whisper-quiet performance, and superior efficiency. As an epitome of energy efficiency, it significantly reduces pollution and minimizes environmental impact. Unlike traditional oil-immersed transformers, this innovative model eliminates the need for an oil conservator. Leveraging the ingenious flexibility of its corrugated oil tank, it autonomously adjusts 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, dramatically extends insulation life, and significantly enhances operational reliability—all while eliminating the need for routine maintenance under standard usage conditions.
1. Power Capacity: Offering a broad range from 25-2500KVA, with versatile options of 24KV, 30KV, 33KV, 35KV, 36KV, and further customization available to cater to specific customer needs 2. Voltage Level: Available in a wide selection of 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Provides both Off-circuit and On-load regulation options
4. Tapping Range: Select from options like ±5%, 2x2.5%, ±4x2.5%
5. Frequency: Available in either 50Hz or 60Hz
6. Phases: Configurations offered in Three-phase or single-phase
7. Connection Symbol: Dyn11, Yyn0 (or fully customizable to your specifications)
8. Short-circuit Impedance: Equipped with Standard Impedance features
9. Operational Conditions: Engineered for altitudes not exceeding 1000m, and temperatures below 40°C. If these conditions are not met, we will implement necessary parameter adjustments in accordance with standard protocols.
All necessary adjustments will strictly conform to industry standards.
Power Capacity: Offering a range from 25-2500KVA
Voltage Levels: Choose from a variety of 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Available in either Off-circuit or On-load options
Tapping Range: Select from ±5%, ±2x2.5%, ±4x2.5%
Frequency Options: Choose between 50Hz or 60Hz
Phases: Configurations available in Three-phase or single-phase
Connection Symbol: Dyn11, Yyn0 (customizable on request)
Short-circuit Impedance: Comes equipped with Standard Impedance
Operational Conditions: Designed for altitudes not exceeding 1000m, with ambient temperatures not exceeding 40°C
Should conditions deviate from the standard, necessary parameter adjustments will be carried out, strictly adhering to standard guidelines.
The fully sealed oil-immersed power transformer, a pinnacle of innovation by Chaotai Power, excels with its exceptionally low energy loss, silent operation, and remarkable efficiency. It stands as a paradigm of energy-saving solutions that significantly reduce pollution.
Unlike conventional oil-immersed transformers, this fully sealed design eliminates the requirement for an oil conservator. It skillfully manages oil volume variations through the flexible attributes of the corrugated oil tank sheet, ensuring the transformer remains insulated from air exposure. This crucial feature not only prevents oil deterioration and delays insulation aging but also markedly enhances reliability, dispelling 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., a beacon of technological brilliance in the ever-evolving landscape of electrical integration, stands as a premier high-tech enterprise. We take immense pride in presenting a distinguished R&D, production, and service team, fortified by over 15 years of unparalleled industry prowess. Our steadfast dedication to achieving extraordinary excellence places us at the forefront of innovation, marking us as pioneers in this dynamic field.
Our extensive and cutting-edge product portfolio showcases groundbreaking innovations, including high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These exceptional offerings are pivotal across a myriad of sectors such as energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic, proving indispensable for both commercial and residential use. We take enormous pride in our role of shaping the future through these revolutionary solutions.
Firmly rooted in a philosophy of relentless technological progression and 'smart manufacturing,' we are passionately devoted to fostering a culture of excellence by integrating top-tier technical talent. This strategic vision amplifies our core strengths, ensuring the consistent delivery of unparalleled service value to our clients. Our remarkable growth story is a testament to our ethos: evolving from inception to industry leadership through steadfast dedication. Our business strategy is intricately linked to innovation, with an unyielding emphasis on quality as the foundation of our survival, market reputation as the conduit to development, and management efficiency as the catalyst for profitability. We are resolute in harnessing 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the pillars of our quality and talent management frameworks. Our strategic outlook aims to elevate our market competitiveness, serving China's electric power and grid transmission and distribution sectors, aspiring towards new horizons. Integrity, unparalleled quality, exceptional service, and customer satisfaction are at the heart of our values. We relentlessly pursue excellence, consistently innovating to build a brand synonymous with trust. The appreciation from our customers fuels our ambition. We extend our heartfelt gratitude to our loyal customers, both new and longstanding, warmly inviting you to join Senhang Technology in our 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.
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