Product Description
Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series, a completely sealed oil-immersed power transformer masterfully crafted by Zhejiang Chaotai Complete Equipment Co., Ltd. This exceptional transformer boasts superior attributes such as minimal energy consumption, whisper-quiet operation, and remarkable efficiency. As an exemplary energy solution, it significantly reduces environmental pollution. Unlike traditional oil-immersed models, this advanced design eliminates the need for an oil conservator. The intelligent construction allows for autonomous adaptation to oil volume changes through the flexibility of the corrugated oil tank, effectively sealing the transformer against air exposure. This cutting-edge feature prevents oil degradation, slows down insulation aging, and markedly enhances operational reliability, all while removing the necessity for maintenance during regular operations.
1. Power Capacity: Extends from 25-2500KVA, with options covering 24KV, 30KV, 33KV, 35KV, 36KV, and fully customizable to meet distinct customer requirements. 2. Voltage Level: Available options include 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Offered in both Off-circuit or On-load variations, tailored for specific needs.
4. Tapping Range: Adjustable at ±5%, 2x2.5%, or ±4x2.5%, providing flexibility for varied applications.
5. Frequency: Choose between 50Hz or 60Hz to suit diverse operational scenarios.
6. Phases: Available in versatile Three-phase or single-phase configurations to match different power needs.
7. Connection Symbol: Configurable as Dyn11, Yyn0, with further customization options available as per requirements.
8. Short-circuit Impedance: Professionally designed with Standard Impedance, ensuring reliable performance.
9. Operational Conditions: Optimally designed for altitudes not exceeding 1000m and ambient temperatures below 40°C. Should these conditions not be met, adjustments in parameters will follow standard industry protocols, ensuring seamless performance.
All necessary adjustments will strictly adhere to industry standards, maintaining high-quality assurance.
Power Capacity: An expansive range from 25-2500KVA, accommodating diverse energy requirements.
Voltage Levels: An extensive span including 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, ensuring broad applicability.
Voltage Level Overview:
Type of Voltage Regulation: Available in Off-circuit or On-load options, adaptable for varied operational preferences.
Tapping Range: Offered at ±5%, ±2x2.5%, ±4x2.5%, allowing for precise control and adaptability.
Frequency Options: Provided in 50Hz or 60Hz modes, catering to different regional standards and technical needs.
Phases: Offered in Three-phase or single-phase options, addressing diverse power system configurations.
Connection Symbol: Configurable as Dyn11, Yyn0, with extensive customization options available upon request.
Short-circuit Impedance: Expertly engineered with Standard Impedance, ensuring consistent and reliable operation.
Operational Conditions: Specifically designed for altitudes not exceeding 1000m and ambient temperatures not exceeding 40°C, with provisions for adjustments in varying conditions.
In cases where conditions differ, we will perform necessary parameter adjustments in adherence to standard guidelines, guaranteeing optimal performance.
This fully sealed oil-immersed power transformer, a marvel of innovation from Chaotai Power, is meticulously engineered for minimal energy loss, ultra-quiet operation, and outstanding efficiency. It stands as a premier energy-saving solution, significantly reducing pollution.
In contrast to conventional oil-immersed transformers, this fully sealed design eliminates the necessity of an oil conservator. It skillfully handles oil volume variations with the flexibility of the corrugated oil tank sheet, ensuring the transformer remains isolated from air. This pivotal feature not only prevents oil degradation and insulation aging but also boosts reliability and removes the requirement for routine 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. exemplifies the pinnacle of modernity and visionary innovation in the world of electrical integration. As a celebrated high-tech powerhouse, we are set apart by our exceptional R&D, production, and service teams, fortified by over 15 years of esteemed industry experience. Our relentless pursuit of excellence cements our role as pioneers, consistently setting industry standards.
Our expansive and forward-thinking product lineup includes trailblazing innovations such as high-voltage solid-state soft starters, capacitor cabinets, and an array of high to low voltage switchgears, including gas-insulated variants and substations. These indispensable products are integral across diverse industries, from energy and chemicals to metal smelting, electric power, and industrial manufacturing. Our reach extends further into academia, healthcare, municipal commerce, water management, hydropower, and road traffic, applicable in both commercial and residential domains. With pride, we power the future, making a transformative impact across these crucial sectors.
Founded on a philosophy of relentless technological growth and 'smart manufacturing,' we are dedicated to fostering a culture of excellence by integrating elite technical expertise and groundbreaking strategies. This dedication enhances our core strengths, ensuring unmatched service value for clients. Our journey from modest beginnings to industry leadership highlights our core principles: quality as survival's keystone, reputation as development's path, and management efficiency as profitability's cornerstone. We commit to harnessing 'technology as our guide, standardized management, superior quality, and customer satisfaction' as pillars of our quality and talent initiatives. Our strategic vision is to elevate market competitiveness within China's electric power, grid transmission, and distribution sectors, aiming higher and reaching further. Integrity, unparalleled quality, outstanding service, and customer satisfaction are the core of our ethos. Our endless pursuit of excellence leads us to constant innovation, ensuring our brand is synonymous with trust. The trust and recognition of our esteemed customers fuel our ambitions. We express deep gratitude to our loyal customers, both new and long-standing, and warmly invite you to join Zhejiang Chaotai on a path to a luminous 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.
Audited Supplier 
){kind=link}