Product Description
Oil Immersed Series Transformer:
Introducing the groundbreaking S11-M series, a fully sealed oil-immersed power transformer, masterfully crafted by Zhejiang Chaotai Complete Equipment Co., Ltd. This remarkable transformer sets a new standard with its extraordinarily low energy loss, serene whisper-quiet operation, and exceptional efficiency. As an epitome of energy conservation, it dramatically cuts pollution and reduces environmental impact. Unlike conventional models, this innovative transformer obviates the need for an oil conservator. It utilizes the ingenious elasticity of a corrugated oil tank to autonomously adjust and compensate for oil volume variations, ensuring a perfectly sealed environment that protects against air exposure. This revolutionary feature not only prevents oil degradation but also significantly extends the insulation lifespan, dramatically enhancing operational reliability—all while eliminating the need for routine maintenance under standard usage conditions.
1. Power Capacity: Flexible range from 25-2500KVA, with options for 24KV, 30KV, 33KV, 35KV, 36KV, and further customization to precisely fit customer requirements 2. Voltage Level: Available in 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV 3. Type of Voltage Regulation: Provides both Off-circuit and On-load options for optimal versatility
4. Tapping Range: Offers adjustable options of ±5%, 2x2.5%, ±4x2.5% to meet diverse needs
5. Frequency: Choose between 50Hz or 60Hz according to your system's requirements
6. Phases: Select from Three-phase or single-phase configurations to suit your power distribution needs
7. Connection Symbol: Featuring Dyn11, Yyn0 and customizable alternatives that can be tailored to your specific requirements
8. Short-circuit Impedance: Engineered with Standard Impedance for reliable performance
9. Operational Conditions: Expertly designed for altitudes not exceeding 1000m, and ambient temperatures below 40°C. If these conditions are not met, appropriate parameter adjustments will be made in accordance with standard protocols.
All adjustments will be rigorously compliant with industry standards, ensuring the highest levels of safety and performance.
Power Capacity: Available in a versatile range between 25-2500KVA, adaptable for diverse applications
Voltage Levels: Offers a selection from 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV to perfectly match application needs
Voltage Level Overview:
Type of Voltage Regulation: Available in Off-circuit or On-load options for adaptable operation
Tapping Range: Offers flexible settings including ±5%, ±2x2.5%, ±4x2.5% to accommodate various electrical distribution requirements
Frequency Options: Available in both 50Hz and 60Hz, allowing for versatile application compatibility
Phases: Choose between Three-phase or single-phase configurations, ensuring suitable options for every electrical grid structure
Connection Symbol: Options include Dyn11, Yyn0, with further customization available upon request
Short-circuit Impedance: Comes equipped with Standard Impedance, ensuring stability and reliability during operation
Operational Conditions: Optimally designed for elevations not exceeding 1000m, with ambient temperatures not surpassing 40°C
Should operating conditions deviate, necessary parameter adjustments will be implemented, strictly in accordance with established guidelines.
The fully sealed oil-immersed power transformer, an innovative marvel by Chaotai Power, outperforms with its incredibly low energy loss, near-silent operation, and superior efficiency. It stands as a pioneering energy-saving solution, substantially decreasing pollution.
In contrast to traditional oil-immersed transformers, this fully sealed design eliminates the need for an oil conservator. It skillfully manages oil volume changes through the elastic attributes of the corrugated oil tank sheet, maintaining the transformer's insulation from air. This crucial feature not only prevents oil deterioration and delays insulation aging but also significantly boosts reliability, thereby removing the requirement 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 innovation and technological prowess within the ever-evolving realm of electrical integration. As a distinguished high-tech enterprise, we are proud to present a robust R&D, production, and service team, enriched by over 15 years of invaluable industry experience. Our steadfast commitment to achieving unparalleled excellence positions us as pioneers of innovation, setting new standards in the industry.
Our vast and varied product portfolio showcases cutting-edge innovations such as high-voltage solid-state soft starters, advanced capacitor cabinets, sophisticated high and low voltage switchgear, gas-insulated switchgear, and comprehensive substations. These outstanding products are indispensable across a myriad of sectors including energy, chemical industries, metal smelting, electric power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. Their remarkable utility extends to both commercial and residential applications. We take immense pride in empowering tomorrow with our revolutionary solutions.
Guided by a philosophy of relentless technological advancement and 'smart manufacturing,' we are steadfastly committed to fostering a culture of excellence by integrating top-tier technical talents. This strategic approach enhances our core strengths, ensuring we consistently deliver unsurpassed service value to our clients. Our extraordinary growth journey is a testament to our ethos: evolving from inception to industry leadership through unwavering dedication. Our business strategy is firmly rooted in innovation, with an unwavering commitment to quality as the cornerstone of our survival, market reputation as the pathway to advancement, and management efficiency as the driver of profitability. We are dedicated to leveraging 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the foundational pillars of our quality and talent management initiatives. Our strategic vision is to elevate our market competitiveness, serving China's electric power and grid transmission and distribution sectors while aspiring to reach new heights. Integrity, unmatched quality, exceptional service, and customer satisfaction form the core of our values. We relentlessly pursue excellence, perpetually innovating to establish a brand synonymous with trust. The appreciation of our customers fuels our ambition. We extend our profound gratitude to our loyal customers, both new and longstanding, and warmly invite you to embark on a shared journey with Senhang Technology towards 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.
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