Product Description
Oil Immersed Series Transformer:
Introducing the innovative S11-M series fully sealed oil immersed power transformer, crafted with precision by Zhejiang Chaotai Complete Equipment Co., Ltd. This cutting-edge transformer epitomizes efficiency and reliability, boasting low loss, minimal noise, and exceptional energy-saving capabilities. Designed to significantly reduce environmental impact, this transformer stands out by eliminating the traditional oil conservator. The ingenious use of a corrugated oil tank allows for automatic oil volume adjustments through its flexible sheet, ensuring seamless operation. Encased from ambient air, it significantly extends the lifespan of the oil and insulation, offering superior reliability and negating the need for routine maintenance.
1. Power Capacity: Ranging from 25KVA to an impressive 2500KVA, with voltage options of 24KV, 30KV, 33KV, 35KV, 36KV, and customizable requirements. 2. Voltage Level: Choose from 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV to fit your specific needs. 3. Type of Voltage Regulation: Available in Off-circuit or On-load configurations, tailored to your operational preferences.
4. Tapping Range: Enjoy flexibility with ±5%, ±2x2.5%, ±4x2.5% tapping options, allowing precise control over your electrical systems.
5. Frequency: Options of 50Hz or 60Hz, catering to various regional electrical standards.
6. Phases: Available in both Three-phase and Single-phase designs to suit diverse applications.
7. Connection Symbol: Configurable as Dyn11, Yyn0, or as per specific customer requests for optimal integration.
8. Short-circuit Impedance: Designed with standard impedance to ensure safety and performance.
9. Altitude and Temperature: Supports altitudes up to 1000m and ambient temperatures not exceeding 40°C. Should these conditions be exceeded, we offer parameter adjustments to align with international standards.
Parameter modifications are available to comply with standard requirements, ensuring optimal performance under diverse environmental conditions.
Power Capacity is available from 25KVA up to 2500KVA, providing robust solutions for varying power needs.
Voltage options span across 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV, 30KV, 33KV, 35KV, and 36KV, adaptable to diverse power systems.
Voltage Level: Offering a diverse range to meet specific application requirements.
Type of Voltage Regulation: Select between Off-circuit and On-load configurations for customized power management.
Tapping Range: Configurable to ±5%, ±2x2.5%, and ±4x2.5%, allowing for tailored electrical control.
Frequency: Available in both 50Hz and 60Hz, adaptable to regional electrical grids.
Phases: Options include Three-phase and Single-phase to accommodate different power setups.
Connection Symbol: Customizable to Dyn11, Yyn0, or as specified, ensuring seamless connectivity.
Short-circuit Impedance: Built with standard impedance, promising dependable protection and function.
Altitude and Temperature Compatibility: Suitable for altitudes not exceeding 1000m and temperatures up to 40°C. For conditions beyond these, we offer customization to ensure consistent performance.
Should conditions exceed standard limits, we provide tailored parameter adjustments to uphold performance and reliability.
The fully sealed oil immersed power transformer, expertly developed by Chaotai Power, offers remarkable low loss, minimal noise, and outstanding efficiency. This state-of-the-art transformer ensures significant energy conservation and pollution reduction.
In comparison to conventional oil immersed transformers, this fully sealed model eliminates the oil conservator, employing a flexible corrugated oil tank for automatic volume adjustments. Isolated from air exposure, it effectively deters oil degradation and insulation aging, enhancing reliability and virtually eliminating the need for regular maintenance during standard operation.
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 trailblazer in high-tech electrical integration, boasting a stellar R&D, production, and service team with over 15 years of unparalleled industry expertise.
Our exceptional product suite encompasses a wide array including high-voltage solid-state soft starters, capacitor cabinets, and sophisticated switchgear—both high and low voltage—as well as gas-insulated switchgear and substations. These innovative solutions are the backbone across diverse sectors such as energy, chemical processing, metal smelting, electric power grids, industrial manufacturing, and educational institutions. We are instrumental in powering medical and pharmaceutical advances, municipal commerce, water conservancy, hydropower, road traffic, as well as both commercial and residential landscapes.
Guided by the philosophy of 'smart manufacturing' and relentless technological innovation, we are dedicated to enhancing our core competitiveness by attracting top-tier technical talent. Our mission is to provide unparalleled value to our clients while forging the leading brand in our industry. Since inception, we have made remarkable strides, evolving from inception to excellence. We champion innovation and adhere to a modern business model that thrives on quality, is market-sensitive, develops through trust, and achieves efficiency through astute management. We are devoted to 'technology-driven guidance, standardized management, superior quality, and ultimate customer satisfaction' across our operations, fortifying our market competitiveness and aiming to lead the transmission and distribution sectors of China's electric power grid with speed, strength, and ambition. Our cornerstone is integrity, our creed is quality, our promise is supreme service, and our goal is unwavering customer satisfaction. Propelled by a commitment to excellence and continual innovation, we strive to build a brand that commands trust and loyalty. Your endorsement fuels our journey. We extend heartfelt gratitude to our esteemed customers, both new and long-standing, for your steadfast support and partnership. Together, with Senhang Technology, we eagerly anticipate crafting a brighter future side by side.
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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