Product Description



Oil Immersed Series Transformer:
At Chaotai Power, we proudly present our S11-M Series Fully Sealed Oil Immersed Power Transformer, meticulously engineered to deliver outstanding advantages such as minimal energy loss, whisper-quiet operation, and exceptional efficiency. This cutting-edge transformer promises impressive energy-saving results and a significant reduction in environmental pollution. Unlike conventional oil-immersed transformers, our fully sealed model ingeniously eliminates the need for an oil conservator. It utilizes the corrugated tank's innovative elasticity to naturally adjust and compensate for oil volume changes. With its airtight isolation, this transformer helps to preserve oil integrity and slow insulation aging, ensuring unrivaled operational reliability and eliminating the necessity for frequent maintenance.
1. Power Capacity: From 25 to 2500 KVA, available in 24KV, 30KV, 33KV, 35KV, 36KV, or tailored to meet our customers' unique requirements. 2. Voltage Level: Choose from a range including 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, and 22KV. 3. Type of Voltage Regulation: Options include Off-circuit or On-load configurations.
4. Tapping Range: Offers flexibility with ±5%, 2 x 2.5%, or ±4 x 2.5% adjustments.
5. Frequency: Operates at either 50Hz or 60Hz to suit varied applications.
6. Phases: Available in both three-phase and single-phase configurations.
7. Connection Symbol: Options include Dyn11, Yyn0, or customized upon request.
8. Short-Circuit Impedance: Adheres to Standard Impedance guidelines.
9. Altitude should not exceed 1000m, with ambient temperatures not exceeding 40°C. If these conditions cannot be met, we will adjust parameters as per standard protocols.
We ensure adaptations in accordance with standard specifications.
Power Capacity: Ranges from 25 to 2500 KVA to cater to diverse power needs.
Voltage Specifications: Offering flexibility with levels like 10KV to 36KV, tailored to your unique needs.
Voltage Level: Comprehensive options to fit various project requirements.
Type of Voltage Regulation: Choose between Off-circuit or On-load, based on your specific needs.
Tapping Range: Offers a range of adjustments including ±5%, ±2 x 2.5%, and ±4 x 2.5%.
Frequency: Supports both 50Hz and 60Hz operations, adaptable to your system.
Phases: Available in versatile three or single-phase options.
Connection Symbol: Flexible configurations available as Dyn11, Yyn0, or as customized to your specific requirements.
Short-Circuit Impedance: Designed to meet Standard Impedance requirements.
Altitude should not exceed 1000m, with temperatures not surpassing 40°C. Adjustments are made if these conditions are unmet.
If standard conditions are not met, we modulate parameters to align with regulatory standards.
Our fully sealed oil immersed power transformer, crafted by Chaotai Power, is distinguished by its low loss, quiet operation, and high efficiency. It significantly enhances energy conservation while minimizing environmental impact.
In contrast to standard oil-immersed transformers, our fully sealed model dispenses with the need for an oil conservator. It deftly manages oil volume changes through the corrugated oil tank's elasticity, ensuring the transformer remains air-isolated, thus preserving oil quality and slowing insulation aging. This translates to enhanced operational reliability and reduced 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. is a pioneering high-tech enterprise dedicated to the realm of electrical integration. Boasting a specialized R&D, production, and service team with over 15 years of profound industry expertise, we are at the forefront of innovation and excellence.
Our exceptional product range encompasses high-voltage solid-state soft starters, cutting-edge capacitor cabinets, versatile high and low voltage switchgear, advanced gas-insulated switchgear, and reliable substations. Our innovative solutions are extensively utilized across diverse sectors, including energy and chemical industries, metal smelting, power grids, industrial manufacturing, academia and research institutions, the medical and pharmaceutical arenas, municipal commerce, water conservancy and hydropower, road traffic management, as well as commercial and residential domains.
At the heart of our operations is our unwavering commitment to technological innovation and the transformative philosophy of 'smart manufacturing.' We actively recruit top-tier technical talents to substantially elevate our core competitive edge, delivering unparalleled value to our esteemed customers while aspiring to establish the premier brand in our industry. Since our inception, we have demonstrated remarkable growth, progressing from inception to excellence. Our enduring commitment to innovation is channeled through a modern business strategy that emphasizes survival through superior quality, market-driven development, reputation-driven growth, and efficiency through meticulous management. Anchoring our quality and technical talent management on pillars of 'technology as the guide, standardized management, outstanding quality, and customer gratification,' we bolster our market competitiveness. We are devoted to serving China's electric power and grid sectors with aspirations of achieving faster, stronger, and higher benchmarks. With integrity as our foundation, unmatched quality, exceptional service, and customer satisfaction as our eternal principles, we pursue excellence, continuous innovation, and strive to cultivate a brand synonymous with trustworthiness. Your recognition fuels our drive. We extend our heartfelt gratitude to both new and loyal customers for their unwavering support and affection. Senhang Technology eagerly looks forward to collaborating with you, hand in hand, to forge 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.