Product Description
Oil Immersed Series Transformer:
Introducing the S11-M series fully sealed oil-immersed power transformer, meticulously engineered by Zhejiang Chaotai Complete Equipment Co., Ltd. This extraordinary transformer is distinguished by its exceptional traits, including minimal energy loss, ultra-quiet operation, and unmatched efficiency. As a superb energy-saving solution, it dramatically minimizes pollution and environmental impact. Unlike conventional oil-immersed models, this cutting-edge transformer does away with the oil conservator. Its innovative design autonomously manages oil volume changes through the elasticity of the corrugated oil tank, effectively sealing the unit from air exposure. This ingenious feature safeguards the oil from degradation, slows insulation aging, and significantly bolsters operational reliability, all while eliminating the need for regular maintenance in standard operations.
1. Power Capacity: Ranging from 25-2500KVA, with available options at 24KV, 30KV, 33KV, 35KV, 36KV, and customizable to meet specific customer requirements 2. Voltage Level: Options include 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, and 22KV 3. Voltage Regulation Type: Available as Off-circuit or On-load
4. Tapping Range: Options of ±5%, 2x2.5%, and ±4x2.5%
5. Frequency: Configurable at 50Hz or 60Hz
6. Phases: Available in Three-phase or single-phase configurations
7. Connection Symbol: Options include Dyn11, Yyn0 (customizable to suit specific needs)
8. Short-circuit Impedance: Standard Impedance
9. Operational Conditions: Designed for altitudes not exceeding 1000m, with ambient temperature below 40°C. If these conditions are exceeded, parameter adjustments will be made in line with industry-standard protocols.
All necessary adjustments will strictly comply with industry standards.
Power Capacity: Options available from 25-2500KVA
Voltage Levels: Available options are 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Choose from Off-circuit or On-load
Tapping Range: Options include ±5%, ±2x2.5%, and ±4x2.5%
Frequency Options: Available configurations are 50Hz or 60Hz
Phases: Select from Three-phase or single-phase
Connection Symbol: Choices include Dyn11, Yyn0, with customization available upon request
Short-circuit Impedance: Offered in Standard Impedance
Operational Conditions: Ideal for altitudes not exceeding 1000m and ambient temperatures below 40°C
Should environmental conditions vary, we will accordingly adjust parameters to comply with standard guidelines.
The fully sealed oil-immersed power transformer represents the pinnacle of innovation from Chaotai Power, known for its low energy loss, quiet operation, and superior efficiency. It provides an exceptional energy-saving solution, significantly reducing environmental pollution.
In stark contrast to traditional oil-immersed transformers, this fully sealed design does away with the oil conservator. It self-regulates oil volume changes with the flexible corrugated oil tank sheet, ensuring air isolation. This crucial feature not only prevents oil degradation and slows insulation aging but also enhances reliability and negates the need 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. shines brilliantly as a pillar of technological expertise in the field of electrical integration. Recognized as a prestigious high-tech enterprise, we are equipped with a dedicated research and development, production, and service team, enriched by more than 15 years of invaluable industry experience. Our pursuit of excellence is unwavering, positioning us as pioneers of innovation.
Our extensive and diverse product portfolio proudly features state-of-the-art products such as high-voltage solid-state soft starters, capacitor cabinets, high and low voltage switchgear, gas-insulated switchgear, and substations. These innovative solutions have become essential across a broad range of sectors, including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. They extend their transformative power to both commercial and residential applications. We are committed to illuminating the future with our forward-thinking solutions.
Rooted in a philosophy of unwavering technological innovation and 'smart manufacturing,' we are devoted to cultivating a culture of excellence through the integration of high-caliber technical talents. This strategic focus enhances our core competencies, ensuring we deliver unmatched service value to our clients. Our growth journey stands as a testament to our ethos: evolving from our inception to industry leadership through steadfast dedication. Innovation is the keystone of our business strategy, with an unwavering commitment to quality as the foundation of survival, market reputation as the pathway to growth, and management efficiency as the cornerstone of profitability. We pledge to leverage 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the fundamental pillars of our quality and talent management initiatives. Our strategic vision aims to amplify our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations of swiftness, strength, and elevation. Integrity, unmatched quality, exceptional service, and customer satisfaction form our core values. We remain relentless in our pursuit of excellence, continuously innovating to build a brand synonymous with trust. The acknowledgment and appreciation of our customers propel our ambition. We extend heartfelt gratitude to our dedicated customers, both new and long-standing, and warmly invite you to join Senhang Technology on a shared journey towards a brighter and promising tomorrow.
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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