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 transformative innovation is celebrated for its remarkably low energy loss, whisper-quiet operation, and unrivaled efficiency. As a beacon of energy efficiency, it profoundly mitigates pollution and minimizes environmental impact. Breaking away from traditional designs, this advanced model eliminates the need for an oil conservator. Its sophisticated corrugated oil tank is expertly engineered to self-regulate, accommodating oil volume changes flawlessly, and maintaining an airtight seal that protects the transformer from air exposure. This pioneering design prevents oil degradation, significantly extending the life of insulation materials and dramatically enhancing operational reliability, all while requiring no routine maintenance under standard conditions.
1. Power Capacity: Spanning an impressive range from 25-2500KVA, with adaptable options like 24KV, 30KV, 33KV, 35KV, 36KV, plus custom configurations designed to meet specific customer needs. 2. Voltage Level: Available in a spectrum of 10KV, 11KV, 13.8KV, 15KV, 17.5KV, 20KV, and 22KV. 3. Type of Voltage Regulation: Offers versatile Off-circuit and On-load options for flexible functionality.
4. Tapping Range: Features a diverse selection such as ±5%, 2x2.5%, or ±4x2.5% to cater to a variety of power demands.
5. Frequency: Available in both 50Hz and 60Hz, ensuring seamless compatibility with local standards.
6. Phases: Offered in both Three-phase and single-phase variants, tailored to suit diverse applications.
7. Connection Symbol: Available in standard configurations like Dyn11, Yyn0, or easily customizable to meet precise specifications.
8. Short-circuit Impedance: Meticulously engineered with Standard Impedance for reliable and consistent performance.
9. Operational Conditions: Expertly designed for altitudes of up to 1000m with ambient temperatures below 40°C. Adjustments will be made according to standard protocols should these conditions differ.
All modifications adhere rigorously to industry standards, ensuring superior performance and unwavering dependability.
Power Capacity: Encompasses a robust range from 25-2500KVA, addressing a wide array of energy needs.
Voltage Levels: Extensive range covering 10KV, 11KV, 13.8KV, 20KV, 22KV, 30KV, 33KV, 35KV, 36KV, offering significant adaptability.
Voltage Level Overview:
Type of Voltage Regulation: Available in both Off-circuit and On-load variants, providing flexible control options.
Tapping Range: Configuration options include ±5%, ±2x2.5%, ±4x2.5% to precisely meet specific requirements.
Frequency Options: Choose from 50Hz or 60Hz to align perfectly with local standards.
Phases: Available in both Three-phase and single-phase to accommodate multiple application needs.
Connection Symbol: Standard choices include Dyn11, Yyn0, with fully customizable configurations readily available for tailored needs.
Short-circuit Impedance: Equipped with Standard Impedance, guaranteeing assured and dependable operation.
Operational Conditions: Designed for optimal performance at altitudes not exceeding 1000m and temperatures below 40°C.
If operational conditions vary, appropriate parameter adjustments will be implemented in strict adherence to standard guidelines.
The fully sealed oil-immersed power transformer from Chaotai Power is a paradigm of innovation, excelling with incredibly low energy loss, silent operation, and superior efficiency. This powerful energy-saving solution significantly reduces pollution.
5f038547
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 recognized high-tech enterprise, we are proud of our exceptional team, which brings over 15 years of unparalleled industry knowledge and skill to the table. This positions us as leaders in research, development, production, and customer service. Our steadfast dedication to groundbreaking innovation distinguishes us as pioneers, continually advancing the frontiers of excellence.
Our diverse product portfolio is a shining example of our innovative prowess. We provide an array of solutions including high-voltage solid-state soft starters, capacitor cabinets, and a variety of high and low voltage switchgear. Additionally, our state-of-the-art gas-insulated switchgear and advanced substations are indispensable across a multitude of sectors such as energy, chemical industries, metal smelting, electric grids, industrial production, academia, healthcare, municipal commerce, water management, hydropower, and road traffic. Catering to both business enterprises and residential users, we are empowering the future with our pioneering solutions.
Our 'smart manufacturing' philosophy, coupled with relentless technological progress, fuels our commitment to fostering a culture of excellence. By integrating elite technical talents, we bolster our core capabilities, consistently providing extraordinary value to our clients. Our impressive growth trajectory is a testament to our ethos of transforming inception into industry leadership through unwavering dedication. Innovation serves as the foundation of our strategy, supported by quality as the cornerstone of our endurance, market reputation as the path of our growth, and management efficiency as the engine of our profitability. Our dedication to 'technology as the guide, standardized management, superior quality, and customer satisfaction' is the mainstay of our quality and talent management. Our goal is to boost market competitiveness, serving China's electric power and grid sectors with visionary ambition. Integrity, unparalleled quality, exceptional service, and customer satisfaction encapsulate the essence of our values. We relentlessly strive for excellence, continuously innovating to cultivate a brand synonymous with trust and reliability. The appreciation of our customers fuels our ambitions, and we extend our heartfelt gratitude to our loyal patrons, both new and long-standing. We invite you to join us with Senhang Technology on a shared journey towards a more luminous 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.