Product Description



Oil Immersed Series Transformer:
Introducing the revolutionary S11-M series from Zhejiang Chaotai Complete Equipment Co., Ltd., a flagship in transformer technology. This fully sealed oil-immersed power transformer is meticulously engineered to deliver impressive performance with its low energy consumption, whisper-quiet operation, and outstanding efficiency. Embrace an energy-efficient future with this environmentally conscious design that minimizes ecological impact. Say goodbye to the traditional oil conservator! This cutting-edge model autonomously regulates oil volume through the elastic properties of its corrugated oil tank, ensuring a perfect seal against air. This innovation not only prolongs oil integrity and delays insulation aging but also enhances operational dependability, allowing for seamless maintenance-free performance under standard conditions.
1. Power Capacity: Offering a range from 25-2500KVA, with voltage options of 24KV, 30KV, 33KV, 35KV, and 36KV. Customization available to meet specific customer requirements. 2. Voltage Level: Choose from 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, 22KV to suit your needs. 3. Type of Voltage Regulation: Available in either Off-circuit or On-load configurations.
4. Tapping Range: Configurable at ±5%, 2x2.5%, or ±4x2.5% to ensure precise voltage regulation.
5. Frequency: Compatible with both 50Hz and 60Hz systems.
6. Phases: Available in versatile three-phase or single-phase setups to match diverse applications.
7. Connection Symbol: Offered in Dyn11, Yyn0 configurations, with customization options available.
8. Short-circuit Impedance: Standard Impedance ensures reliable performance.
9. Operational Conditions: Engineered to operate optimally at altitudes up to 1000m and ambient temperatures below 40°C. For conditions exceeding these, parameter adjustments will be made following industry-standard protocols.
All adjustments are committed to maintaining adherence to industry standards.
Power Capacity: Designed to accommodate a range from 25-2500KVA.
Voltage Levels: Seamlessly operating at 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, and 36KV.
Voltage Level Overview:
Type of Voltage Regulation: Select from Off-circuit or On-load to best fit your operational needs.
Tapping Range: Flexible options at ±5%, ±2x2.5%, or ±4x2.5% for fine-tuned control.
Frequency Options: Available in both 50Hz and 60Hz to cater to global standards.
Phases: Choose between three-phase or single-phase setups for maximum compatibility.
Connection Symbol: Configurations available in Dyn11, Yyn0, with customization upon request.
Short-circuit Impedance: Designed with Standard Impedance for consistent reliability.
Operational Conditions: Built to function efficiently at altitudes up to 1000m and ambient temperatures up to 40°C.
Should environmental conditions deviate, necessary parameter adjustments will be implemented following standard guidelines.
The fully sealed oil-immersed power transformer from Chaotai Power represents the pinnacle of technological advancement. With its low energy consumption, silent operation, and exceptional efficiency, it stands as a beacon of energy-saving prowess that dramatically reduces environmental impact.
Setting itself apart from traditional models, this fully sealed transformer eliminates the oil conservator, intelligently adapting to oil volume shifts with the flexibility of its corrugated tank. This ensures air isolation, preventing oil decay and insulation wear, thus boosting reliability and negating frequent 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. shines brightly as a beacon of technological expertise in the dynamic world of electrical integration. As a prestigious high-tech enterprise, we proudly showcase a dedicated team focused on research & development, production, and exceptional service, all fortified by an impressive 15 years of invaluable industry experience. Our unwavering pursuit of excellence positions us as frontrunners in innovative solutions.
Our extensive and diverse product portfolio features state-of-the-art offerings that include high-voltage solid-state soft starters, advanced capacitor cabinets, versatile high and low voltage switchgear, sophisticated gas-insulated switchgear, and comprehensive substations. These transformative products are indispensable across a wide range of sectors such as energy, chemical industries, metal smelting, power grids, industrial manufacturing, academia, healthcare, municipal commerce, water management, hydropower, and road traffic, while also extending their benefits to commercial and residential applications. We are proud to illuminate the future with our groundbreaking solutions.
Firmly rooted in a philosophy of relentless technological innovation and 'smart manufacturing,' we are committed to nurturing a culture of excellence by integrating high-caliber technical talents. This strategic focus enhances our core competencies, ensuring we deliver unparalleled service value to our esteemed clients. Our growth journey is a testament to our ethos, evolving from inception to industry leadership through unwavering dedication. Our business strategy remains firmly anchored in innovation, with a steadfast commitment to quality as the foundation for survival, market reputation as the pathway to development, and management efficiency as the secret to profitability. We pledge to harness 'technology as the guide, standardized management, superior quality, and customer satisfaction' as the pillars of our quality and talent management initiatives. Our strategic vision is to amplify our market competitiveness, serving China's electric power and grid transmission and distribution sectors with aspirations that are faster, stronger, and higher. Integrity, unparalleled quality, exceptional service, and customer satisfaction are the core values we hold dear. We are tireless in our pursuit of excellence, continually innovating to establish a brand that is synonymous with trust. The recognition from our customers fuels our ambition. We extend heartfelt gratitude to our loyal customers, both new and longstanding, 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.