Product Description
Oil Immersed Series Transformer:
The S11-M series fully sealed oil immersed power transformer, masterfully developed and crafted by Zhejiang Chaotai Complete Equipment Co., Ltd., boasts unparalleled benefits of low loss, minimal noise, and superior efficiency. This model is meticulously engineered to deliver impressive energy-saving results, thereby minimizing environmental pollution. In comparison to standard oil immersed transformers, this fully sealed design eliminates the need for an oil conservator. The oil volume adjustments are seamlessly managed by the elasticity of the corrugated oil tank sheets. This intelligent design isolates the transformer from air exposure, effectively preventing oil deterioration and insulation aging. This innovation enhances operational reliability and typically negates the need for maintenance during normal use.
1. Power Capacity: Ranging from 25 to 2500KVA, our product accommodates demands for 24KV, 30KV, 33KV, 35KV, 36KV, and customized requirements. 2. Voltage Level: Available in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, and 22KV, this transformer suits diverse applications. 3. Type of Voltage Regulation: Choose between Off-circuit or On-load configurations to meet precise operational needs.
4. Tapping Range: Enjoy flexibility with options of ±5%, ±2x2.5%, and ±4x2.5% adjustments.
5. Frequency: Compatible with either 50Hz or 60Hz, ensuring global adaptability.
6. Phases: Available in either Three-phase or Single-phase configurations, tailored to specific requirements.
7. Connection Symbol: Our transformers feature Dyn11, Yyn0 configurations, or custom symbols upon request.
8. Short-Circuit Impedance: Engineered to comply with Standard Impedance, ensuring reliable performance.
9. Altitude: Suitable for altitudes not exceeding 1000m, and ambient temperatures not surpassing 40°C.
Should these conditions be exceeded, we will adjust parameters in accordance with industry standards.
Power Capacity: Expertly designed for ranges between 25-2500KVA.
Voltage Level: Accommodates a spectrum including 10KV, 22KV, 30KV, 33KV, 35KV, 36KV, and others as per specifications.
Voltage Level:
Type of Voltage Regulation: Options include Off-circuit or On-load, providing versatile solutions.
Tapping Range: Offers ±5%, ±2x2.5%, and ±4x2.5% for precision tuning.
Frequency: Designed to operate at 50Hz or 60Hz, accommodating diverse power systems.
Phases: Customizable as Three-phase or Single-phase, catering to various application needs.
Connection Symbol: Featuring Dyn11, Yyn0, or custom options as required.
Short-Circuit Impedance: Adheres to Standard Impedance for dependable functionality.
Altitude and Temperature: Designed for up to 1000m altitude and up to 40°C ambient temperature.
Should environmental conditions exceed these parameters, adjustments will be made according to standard guidelines.
Zhejiang Chaotai’s fully sealed oil immersed power transformer stands out with its exceptional low-loss, low-noise, and high-efficiency attributes. It significantly contributes to energy conservation and pollution reduction.
In stark contrast to traditional oil immersed transformers, this fully sealed variant discards the oil conservator. The adaptive flexibility of its corrugated oil tank sheets automatically adjusts and compensates for oil volume changes. Now isolated from air, the transformer prevents oil deterioration and insulation aging, boosting operational reliability and largely eliminating routine maintenance needs.
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. stands as a beacon of innovation in the realm of electrical integration. As a high-tech enterprise, we pride ourselves on a dedicated R&D, production, and service team, boasting an impressive legacy of over 15 years of industry expertise.
Our distinguished product portfolio encompasses advanced high-voltage solid-state soft starters, cutting-edge capacitor cabinets, sophisticated high and low voltage switchgear, state-of-the-art gas-insulated switchgear, and comprehensive substation solutions. Our products are the backbone of a multitude of industries, including energy and chemical sectors, metal smelting, electric power grids, and industrial manufacturing. They also serve prestigious academic and research institutions, the dynamic medical and pharmaceutical landscapes, municipal commerce, essential water conservancy and hydropower projects, efficient road traffic systems, and vibrant commercial and residential communities.
Guided by a steadfast commitment to technological innovation and the philosophy of 'smart manufacturing,' we are dedicated to attracting top-tier technical talent to significantly bolster our core competitiveness. Our mission is to provide unparalleled value to our customers, while ambitiously aiming to establish ourselves as a preeminent brand in the industry. Since our inception, we have embarked on a journey of relentless progress, evolving from humble beginnings to a pinnacle of excellence. Our business ethos centers on innovation, underpinning a modern approach characterized by quality-driven survival, market-focused growth, reputation-led development, and efficiency through meticulous management. Our unwavering pledge is 'technology as the guide, standardized management, superior quality, and customer delight,' thereby fortifying our market position and advancing our objectives in serving China's electric power and grid sectors with unprecedented speed, strength, and ambition. We uphold integrity as the cornerstone of our practices, prioritize quality, and regard exceptional service and customer satisfaction as our perpetual mission. With an unwavering pursuit of excellence and innovation, we are committed to building a distinguished and trustworthy brand. Your trust and recognition fuel our progress. We extend our heartfelt gratitude to all our valued customers for their unwavering support and loyalty, and we eagerly anticipate collaborating with you to forge a brighter future together.
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}