Product Description
Oil Immersed Series Transformer:
Introducing the revolutionary S11-M series fully sealed oil-immersed power transformer, meticulously crafted and expertly engineered by Zhejiang Chaotai Complete Equipment Co., Ltd. This exceptional transformer sets new standards with its incredibly low energy loss, ultra-silent operation, and unparalleled efficiency. It epitomizes energy conservation, dramatically reducing pollution and minimizing its environmental footprint. Unlike conventional oil-immersed transformers, this state-of-the-art model dispenses with the need for an oil conservator. Through the ingenious elasticity of the corrugated oil tank, it autonomously adjusts and compensates for oil volume changes, maintaining a flawlessly sealed environment that protects the transformer from air exposure. This transformative feature effectively prevents oil degradation, significantly extends insulation lifespan, and greatly enhances operational reliability—all achieved without necessitating routine maintenance during normal use.
1. Power Capacity: Offering an extensive range from 25-2500KVA, with options for 24KV, 30KV, 33KV, 35KV, 36KV, and customizable configurations to cater to specific customer requirements. 2. Voltage Level: Available in diverse selections such as 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV, ensuring optimal compatibility. 3. Type of Voltage Regulation: Provides versatile options with both Off-circuit and On-load voltage regulation solutions.
4. Tapping Range: Enjoy flexibility with options such as ±5%, 2x2.5%, ±4x2.5%, ensuring precise adaptability.
5. Frequency: Select from either 50Hz or 60Hz to suit your specific needs.
6. Phases: Choose from a Three-phase or single-phase configuration to match your operational requirements.
7. Connection Symbol: Dyn11, Yyn0, or fully customizable to perfectly align with your specifications.
8. Short-circuit Impedance: Equipped with Standard Impedance for reliable performance.
9. Operational Conditions: Engineered for use in altitudes not exceeding 1000m, and ambient temperatures under 40°C. Should these conditions vary, necessary parameter adjustments will be made following standard protocols.
All adjustments will be rigorously made in compliance with industry standards.
Power Capacity: Spanning a versatile range between 25-2500KVA.
Voltage Levels: Select from a comprehensive range of 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV.
Voltage Level Overview:
Type of Voltage Regulation: Available in Off-circuit or On-load options to meet diverse requirements.
Tapping Range: Extensive options include ±5%, ±2x2.5%, ±4x2.5% for optimal adaptability.
Frequency Options: Choose from 50Hz or 60Hz to precisely align with your operational standards.
Phases: Available in both Three-phase and single-phase to suit diverse operational needs.
Connection Symbol: Dyn11, Yyn0, with the option for customization upon request.
Short-circuit Impedance: Delivered with Standard Impedance for consistent performance.
Operational Conditions: Tailored for altitudes not exceeding 1000m, with ambient temperatures capped at 40°C.
Should conditions deviate from recommended parameters, necessary adjustments will be made in strict adherence to standard guidelines.
The fully sealed oil-immersed power transformer, an innovative triumph by Chaotai Power, excels with exceptionally low energy loss, silent operation, and remarkable efficiency. It emerges as an exemplary energy-saving solution that significantly curtails pollution.
Unlike traditional oil-immersed transformers, this fully sealed design eliminates the need for an oil conservator. It expertly manages oil volume fluctuations through the elastic properties of the corrugated oil tank sheet, ensuring the transformer remains well-insulated from air. This critical feature not only prevents oil deterioration and delays insulation aging but also significantly amplifies reliability, eliminating the need for regular 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. stands as a beacon of technological brilliance in the ever-evolving realm of electrical integration. As a distinguished high-tech enterprise, we proudly parade an elite team excelling in R&D, production, and services, bolstered by over 15 years of invaluable industry prowess. Our steadfast dedication to achieving unparalleled excellence sets us apart as a trailblazer of innovation, carving a niche with groundbreaking advancements.
Our vast and varied product portfolio is a testament to cutting-edge ingenuity, featuring 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 superior offerings are indispensable across myriad sectors like energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic, seamlessly extending their utility to both commercial and residential applications. We take immense pride in empowering the future with our groundbreaking solutions, driving innovation and excellence.
Driven by a philosophy of relentless technological progress and 'smart manufacturing,' we are passionately dedicated to cultivating a culture of excellence through the integration of top-tier technical talents. This strategic approach amplifies our core strengths, ensuring we consistently deliver exemplary service value to our clients. Our remarkable growth journey is a testament to our ethos: transforming from inception to industry leadership through relentless dedication. Anchored in innovation, our business strategy is steadfast with a commitment to quality as our survival cornerstone, market reputation as the development path, and management efficiency as our profitability engine. We are devoted to leveraging 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the foundation of our quality and talent management initiatives. Our strategic vision is to enhance market competitiveness, catering to China's electric power and grid transmission and distribution sectors with aspirations reaching new pinnacles. Integrity, unrivaled quality, exceptional service, and customer satisfaction are the core of our values. We tirelessly pursue excellence, continuously innovating to forge a brand synonymous with trust. The appreciation of our customers fuels our ambition. We express our heartfelt gratitude to our loyal customers, both new and long-standing, and warmly invite you to join Senhang Technology on a shared journey towards a brighter 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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