Product Description
Oil Immersed Series Transformer:
Introducing the renowned S11-M series fully sealed oil-immersed power transformer, meticulously engineered and produced by Zhejiang Chaotai Complete Equipment Co., Ltd. This outstanding transformer is distinguished by its extraordinary advantages: significantly reduced energy consumption, minimal operational noise, and unparalleled efficiency. It is a model energy-saving solution, substantially lessening environmental pollution and impact. Unlike traditional counterparts, this superior model removes the necessity of an oil conservator. The ingenious design autonomously manages and adapts oil volume variations through the elasticity of the corrugated oil tank, maintaining an airtight seal. This groundbreaking feature prevents oil degradation, delays insulation aging, and dramatically improves operational reliability, all while obviating the need for maintenance during regular operations.
1. Power Capacity: Ranging from 25-2500KVA, with options for 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, 22KV 3. Type of Voltage Regulation: Off-circuit or On-load, providing flexibility and precision.
4. Tapping Range: Adaptable with ±5%, 2x2.5%, ±4x2.5%
5. Frequency: Available in 50Hz or 60Hz options
6. Phases: Configurable as either three-phase or single-phase
7. Connection Symbol: Options like Dyn11, Yyn0 available, or customized based on specific needs
8. Short-circuit Impedance: Maintains Standard Impedance
9. Operational Conditions: Rated for altitudes not exceeding 1000m, and ambient temperatures kept below 40°C. Should these conditions not be ideal, parameter adjustments will be implemented in line with standard protocols.
All adaptations are performed in strict compliance with industry standards.
Power Capacity: A versatile range from 25-2500KVA
Voltage Levels: Comprehensive options including 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV
Voltage Level Overview:
Type of Voltage Regulation: Choice of Off-circuit or On-load regulation
Tapping Range: Offers flexibility with ±5%, ±2x2.5%, ±4x2.5%
Frequency Options: Designed for compatibility with either 50Hz or 60Hz systems
Phases: Available in three-phase or single-phase configurations
Connection Symbol: Available options include Dyn11, Yyn0, with the possibility of customization upon request
Short-circuit Impedance: Conforms to Standard Impedance
Operational Conditions: Suitable for altitudes up to 1000m, and ambient temperatures up to 40°C
Should environmental conditions vary, we will perform necessary adjustments in accordance with established guidelines.
The fully sealed oil-immersed power transformer, an innovation masterpiece by Chaotai Power, features remarkably low energy consumption, whisper-quiet operation, and exceptional efficiency. It provides a superior energy-saving solution that markedly diminishes pollution.
Unlike traditional oil-immersed transformers, this advanced fully sealed design forgoes the conventional oil conservator. It adeptly manages oil volume changes through the innovative elasticity of the corrugated oil tank sheet, ensuring the transformer remains completely air-isolated. This critical feature not only prevents oil degradation and delays insulation aging but also enhances reliability and eliminates 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 shining beacon of technological ingenuity and mastery within the dynamic realm of electrical integration. As a prestigious high-tech enterprise, we proudly possess a world-class R&D, production, and service team, reinforced by an impressive legacy of over 15 years of invaluable industry expertise. Our relentless commitment to excellence and innovation elevates us to a position of leadership, recognized for our pioneering spirit.
Our extensive and diverse product portfolio showcases state-of-the-art innovations including high-voltage solid-state soft starters, advanced capacitor cabinets, high and low voltage switchgear, sophisticated gas-insulated switchgear, and modern substations. These indispensable products have carved their niche across a multitude of sectors such as energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic, spanning both commercial and residential applications. We take immense pride in our role of powering the future through transformative solutions.
Rooted in a philosophy of relentless technological innovation and 'smart manufacturing,' we are unwaveringly committed to cultivating a culture of distinction by integrating high-caliber technical talents. This strategic focus is designed to enhance our core competencies, ensuring we deliver unparalleled service value to our esteemed clients. Our journey of growth is a living testament to our enduring ethos: evolving from our inception to industry leadership through a steadfast dedication. Our business strategy remains firmly anchored in innovation, with an unwavering commitment to quality as the foundation of our survival; market reputation as the pathway to development; and management efficiency as the catalyst for profitability. We pledge to harness 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the bedrock of our quality and talent management initiatives. Our strategic vision is to significantly amplify our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that aim to be faster, stronger, and higher. Integrity, unparalleled quality, exceptional service, and customer satisfaction form the core of our values. We are relentless in our pursuit of excellence, continuously innovating to establish a brand synonymous with trust and reliability. The acknowledgment and satisfaction of our customers propel our ambitions. We extend our heartfelt gratitude to our devoted customers, both new and longstanding, and warmly invite you to join Senhang Technology on an inspiring journey towards a brighter and more 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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